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Cheap flights from Chicago (CHI) to Sofia (SOF) from $274

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — SOF
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Chicago to Sofia are usually found in November or February, booked 1 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Chicago to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$660

One-way from

$609
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Chicago (CHI) to Sofia
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One-way flight from Chicago (CHI) to Sofia
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What is the cheapest day to fly round-trip from Chicago to Sofia?

Friday flights are found to be more expensive to fly from Chicago to Sofia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

What is the cheapest month to fly from Chicago to Sofia?

November can be a great time to fly to Sofia from Chicago with a flight ticket averaging about $836. Cheapflights users have found deals in the month of November for as cheap as $446. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from CHI to SOF?

It’s optimal to fly from Chicago to Sofia in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

Cheap Air Canada flights from Chicago to Sofia

Explore cheap flight options specifically provided by Air Canada for the route between Chicago and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest Air Canada flights we've come across from Chicago to Sofia. Make sure to double check the flight details before booking.
Wed 10/304:35 pmORD - SOF
2 stops18h 15mAir Canada
Wed 11/136:05 amSOF - ORD
2 stops23h 22mAir Canada
Deal found 5/29$529
Tue 10/111:00 amORD - SOF
2 stops17h 10mAir Canada
Thu 10/106:00 amSOF - ORD
2 stops22h 43mAir Canada
Deal found 5/30$710
Wed 7/1711:00 amORD - SOF
2 stops17h 10mAir Canada
Tue 9/176:00 amSOF - ORD
2 stops22h 43mAir Canada
Deal found 5/29$737
Tue 8/131:00 pmORD - SOF
2 stops15h 10mAir Canada
Tue 8/2712:55 pmSOF - ORD
2 stops27h 03mAir Canada
Deal found 5/30$818
Tue 6/46:00 amORD - SOF
2 stops21h 20mAir Canada
Thu 7/412:55 pmSOF - ORD
2 stops29h 06mAir Canada
Deal found 5/30$899
Wed 6/511:00 amORD - SOF
2 stops16h 20mAir Canada
Tue 6/112:05 pmSOF - ORD
2 stops25h 53mAir Canada
Deal found 5/29$922
Wed 6/511:00 amORD - SOF
2 stops16h 20mAir Canada
Mon 6/1012:00 pmSOF - ORD
2 stops18h 02mAir Canada
Deal found 5/29$978
Wed 6/511:00 amORD - SOF
2 stops16h 20mAir Canada
Mon 8/512:55 pmSOF - ORD
2 stops27h 02mAir Canada
Deal found 5/30$1,117
Wed 6/511:00 amORD - SOF
2 stops16h 20mAir Canada
Sun 6/92:05 pmSOF - ORD
2 stops27h 49mAir Canada
Deal found 5/29$1,341

Cheap Turkish Airlines flights from Chicago to Sofia

Explore cheap flight options specifically provided by Turkish Airlines for the route between Chicago and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the best deals we've found on Turkish Airlines flights traveling from Chicago to Sofia. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 10/18:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Thu 10/109:10 pmSOF - ORD
1 stop28h 35mTurkish Airlines
Deal found 5/29$561
Tue 9/178:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Tue 10/159:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/29$579
Mon 9/2311:25 amORD - SOF
1 stop19h 30mTurkish Airlines
Mon 10/219:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/29$588
Thu 9/268:30 pmORD - SOF
1 stop28h 00mTurkish Airlines
Thu 10/109:10 pmSOF - ORD
1 stop28h 35mTurkish Airlines
Deal found 5/28$590
Sat 9/218:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Thu 10/103:45 pmSOF - ORD
1 stop34h 00mTurkish Airlines
Deal found 5/29$600
Wed 9/1811:25 amORD - SOF
1 stop13h 05mTurkish Airlines
Thu 10/179:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/29$605
Wed 8/288:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Fri 10/119:20 amSOF - ORD
1 stop16h 25mTurkish Airlines
Deal found 5/29$610
Fri 9/208:30 pmORD - SOF
1 stop34h 25mTurkish Airlines
Mon 10/213:45 pmSOF - ORD
1 stop25h 55mTurkish Airlines
Deal found 5/29$627
Mon 9/308:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Mon 10/149:20 amSOF - ORD
1 stop16h 25mTurkish Airlines
Deal found 5/29$634

Cheap Chicago to Sofia flights in May & June 2024

Find cheap flight options from Chicago to Sofia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Chicago to Sofia in 2024. Check back regularly for other flight deals.
Sun 6/307:10 pmORD - SOF
1 stop16h 00mBritish Airways
Tue 3/46:05 pmSOF - ORD
1 stop26h 45mBritish Airways
Deal found 5/29$668
Sun 6/309:25 pmORD - SOF
1 stop13h 45mBritish Airways
Tue 3/46:05 pmSOF - ORD
2 stops31h 57mBritish Airways
Deal found 5/29$678
Sun 6/309:25 pmORD - SOF
1 stop13h 45mBritish Airways
Tue 3/46:05 pmSOF - ORD
1 stop26h 45mBritish Airways
Deal found 5/30$696
Mon 6/2410:25 pmORD - SOF
1 stop14h 00mBritish Airways
Sat 3/112:10 pmSOF - ORD
1 stop14h 35mBritish Airways
Deal found 5/30$708
Mon 6/246:25 pmORD - SOF
2 stops18h 00mBritish Airways
Sat 3/112:10 pmSOF - ORD
1 stop14h 35mBritish Airways
Deal found 5/30$713
Fri 6/288:10 amORD - SOF
1 stop26h 50mBritish Airways
Mon 3/35:25 pmSOF - ORD
1 stop27h 25mBritish Airways
Deal found 5/30$718
Fri 6/288:10 amORD - SOF
1 stop26h 50mBritish Airways
Wed 3/53:00 pmSOF - ORD
2 stops27h 41mBritish Airways
Deal found 5/30$728
Sun 6/309:25 pmORD - SOF
1 stop13h 45mBritish Airways
Mon 3/35:25 pmSOF - ORD
1 stop27h 25mBritish Airways
Deal found 5/30$731
Sun 6/307:10 pmORD - SOF
1 stop16h 00mBritish Airways
Mon 9/308:00 pmSOF - ORD
1 stop27h 10mBritish Airways
Deal found 5/28$741

Chicago to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Chicago to Sofia in 2024. Check back regularly for other flight deals.
Tue 10/2910:00 amORD - SOF
1 stop21h 10mMultiple Airlines
Tue 11/126:05 pmSOF - ORD
1 stop27h 50mMultiple Airlines
Deal found 5/28$501
Tue 10/291:04 pmORD - SOF
2 stops18h 06mAmerican Airlines
Tue 11/126:05 pmSOF - ORD
1 stop27h 50mAmerican Airlines
Deal found 5/28$505
Tue 11/2610:53 amORD - SOF
2 stops19h 17mAmerican Airlines
Tue 12/106:05 pmSOF - ORD
1 stop26h 45mAmerican Airlines
Deal found 5/29$507
Tue 10/299:50 amORD - SOF
2 stops21h 20mAmerican Airlines
Tue 11/126:05 pmSOF - ORD
2 stops29h 59mAmerican Airlines
Deal found 5/28$514
Tue 11/2612:02 pmORD - SOF
2 stops18h 08mAmerican Airlines
Tue 12/106:05 pmSOF - ORD
2 stops30h 05mAmerican Airlines
Deal found 5/29$515
Wed 10/308:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Wed 11/136:05 amSOF - ORD
1 stop16h 05mMultiple Airlines
Deal found 5/29$521
Wed 10/304:35 pmORD - SOF
2 stops18h 15mAir Canada
Wed 11/136:05 amSOF - ORD
2 stops23h 22mAir Canada
Deal found 5/29$529
Sun 12/86:35 pmORD - SOF
1 stop14h 00mAmerican Airlines
Sat 1/1112:10 pmSOF - ORD
1 stop33h 45mAmerican Airlines
Deal found 5/30$541
Sun 12/84:45 pmORD - SOF
2 stops15h 50mBritish Airways
Sat 1/1112:10 pmSOF - ORD
1 stop14h 35mBritish Airways
Deal found 5/30$544

Chicago to Sofia flights leaving soon

Find last-minute flight options from Chicago to Sofia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out these flights departing soon from Chicago to Sofia. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 6/46:00 amORD - SOF
2 stops21h 20mAir Canada
Thu 7/412:55 pmSOF - ORD
2 stops29h 06mAir Canada
Deal found 5/30$899
Sat 6/88:26 pmORD - SOF
2 stops38h 44mAmerican Airlines
Mon 7/88:00 pmSOF - ORD
2 stops28h 51mAmerican Airlines
Deal found 5/30$914
Wed 6/511:00 amORD - SOF
2 stops16h 20mAir Canada
Tue 6/112:05 pmSOF - ORD
2 stops25h 53mAir Canada
Deal found 5/29$922
Wed 6/59:25 pmORD - SOF
1 stop32h 05mBritish Airways
Mon 6/108:00 pmSOF - ORD
1 stop30h 15mBritish Airways
Deal found 5/29$926
Thu 6/64:45 pmORD - SOF
1 stop12h 45mBritish Airways
Tue 8/69:15 pmSOF - ORD
1 stop26h 35mBritish Airways
Deal found 5/30$948
Tue 6/47:15 pmORD - SOF
1 stop30h 55mSWISS
Mon 6/103:40 pmSOF - ORD
1 stop28h 30mSWISS
Deal found 5/29$952
Sat 6/88:26 pmORD - SOF
2 stops38h 44mAmerican Airlines
Sun 8/49:00 pmSOF - ORD
1 stop23h 45mAmerican Airlines
Deal found 5/29$954
Tue 6/46:05 pmORD - SOF
1 stop16h 40mUnited Airlines
Tue 6/116:00 amSOF - ORD
1 stop16h 00mUnited Airlines
Deal found 5/29$957
Sat 6/88:26 pmORD - SOF
2 stops38h 44mAmerican Airlines
Sun 8/49:00 pmSOF - ORD
2 stops30h 26mAmerican Airlines
Deal found 5/29$964

One-way flights to Sofia from Chicago

Search for one-way flight options from Chicago to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the best available deals we've found on one-way flights from Chicago to Sofia. Those seeking round-trip flights from Chicago to Sofia should utilize the search form at the the top of the page.
Tue 10/2911:14 amORD - SOF
2 stops22h 16mMultiple Airlines
Deal found 5/29$274
Sun 8/410:15 pmORD - SOF
3 stops29h 15mMultiple Airlines
Deal found 5/30$353
Sun 8/47:25 pmORD - SOF
2 stops22h 50mMultiple Airlines
Deal found 5/30$377
Fri 8/1610:15 pmORD - SOF
2 stops27h 35mMultiple Airlines
Deal found 5/28$401
Fri 8/1611:30 amMDW - SOF
2 stops27h 20mMultiple Airlines
Deal found 5/28$423
Fri 8/1612:50 pmORD - SOF
3 stops26h 20mMultiple Airlines
Deal found 5/28$430
Sun 6/239:24 amORD - SOF
3 stops40h 41mMultiple Airlines
Deal found 5/30$457
Tue 10/297:30 pmORD - SOF
3 stops19h 55mMultiple Airlines
Deal found 5/29$461
Sun 6/232:26 pmMDW - SOF
3 stops26h 39mMultiple Airlines
Deal found 5/30$469

Find flights from Chicago to Sofia within your budget

Customize your flight search to find flights from Chicago to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$501 - $699

Route

Depart

Return

Price

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 10/29

1 stop21h 10m

Sofia

Tue 11/12

1 stop27h 50m

$501

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 10/29

2 stops18h 06m

Sofia

Tue 11/12

1 stop27h 50m

$505

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 10/30

2 stops18h 15m

Sofia

Wed 11/13

2 stops23h 22m

$529

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 10/1

1 stop15h 50m

Sofia

Thu 10/10

1 stop28h 35m

$561

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 9/16

1 stop12h 15m

Sofia

Sat 10/19

1 stop28h 30m

$598

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 7/18

1 stop18h 10m

Sofia

Sun 8/18

1 stop27h 10m

$631

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/1

1 stop12h 05m

Sofia

Thu 9/19

1 stop24h 25m

$646

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/19

1 stop19h 10m

Sofia

Wed 9/18

1 stop14h 30m

$695

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 7/30

2 stops31h 25m

Sofia

Sun 11/17

2 stops17h 15m

$699

Flights are sorted by cheapest first

Deals found on 5/28

How far ahead should I book a flight from Chicago to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Sofia. Price data was last updated on May 24, 2024.
The price you pay for your flight from Chicago to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 1 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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What is the cheapest day to fly from Chicago to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Sofia. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Sofia flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Chicago to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated May 30, 2024.
Peruse reviews from past customers who have flown with Air Canada, Turkish Airlines and LOT from Chicago to Sofia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

SWISS
7.8
Good
1,954 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Austrian Airlines
7.7
Good
1,023 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Turkish Airlines
7.4
Good
3,711 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

United Airlines
7.4
Good
10,777 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

American Airlines
7.3
Good
14,284 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Food

7.4

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Comfort

7.5

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Chicago?

    Sofia (SOF) is the airport you will fly into if you book a flight from Chicago to Sofia. You should not have trouble finding flights to Sofia from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 16 airlines have flights to the Sofia airport from Chicago. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

  • Can I find flights from Chicago to Sofia for under $600 on Cheapflights?

    Yes, there are multiple flights from Chicago to Sofia for under $600. The cheapest flight booked recently is on Multiple Airlines for just $501, but on average you can expect to pay $556.

  • Are there last-minute flights available from Chicago to Sofia for under $900?

    There are currently 20+ open flights from Chicago to Sofia within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Chicago to Sofia round-trip?

    According to our current data, American Airlines ($505), Air Canada ($529), and Turkish Airlines ($561) offers the cheapest pricing from Chicago to Sofia. American Airlines is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Sofia one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $551. However, be on the lookout for offers from LOT and ITA Airways, as they are both options that can get you from Chicago to Sofia for a low price.

  • What does ORD to SOF mean?

    Great question - ORD to SOF just means Chicago O'Hare Intl Airport to Sofia Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from Chicago to Sofia?

    Chicago to Sofia flights have a layover in Munich most often. Istanbul sees the next most layovers on Chicago to Sofia flights.

  • What are some popular things to do or see while on a layover in Munich?

    The majority of Munich visitors spend their time at Theresienwiese, Marienplatz, and Botanische Garten München-Nymphenburg. Theresienwiese, Marienplatz, and Botanische Garten München-Nymphenburg can be visited by traveling about 18.8 mi, 17.8 mi, and 18.6 mi respectively from Munich Franz Josef Strauss. Those on a layover in Munich in need of a rental car can book one at Munich Franz Josef Strauss for about $45.

  • What are some popular points of interest to see during a layover in Istanbul?

    Most Istanbul visitors opt to spend their time at Taksim Square, Sultan Ahmet Camii, and Fatih Camii. Taksim Square, Sultan Ahmet Camii, and Fatih Camii are located about 20.8 mi, 22.3 mi, and 20.8 mi, respectively from Istanbul. Those on a layover in Istanbul in need of a rental car can book one at Istanbul for about $33.

  • Where are the least popular layover locations for Chicago to Sofia flights?

    Chicago to Sofia flights have a layover in Frankfurt am Main least often. Frankfurt am Main is followed by Warsaw in terms of the least popular layover location on flights from Chicago to Sofia.

  • Can I find deals for flights from Chicago to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Sofia that include hotel bookings?

    Yes. In addition to deals on Chicago to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sofia.

  • Can I find deals for business class flights from Chicago to Sofia?

    Yes. Cheapflights offers flight deals from Chicago to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Chicago to Sofia that allow pets onboard?

    Many airlines flying from Chicago to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Sofia?

    Yes, you can often find last-minute deals on Chicago to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Sofia flight deals updated?

    The Chicago to Sofia flight deals you see on this page were last updated on 5/30.

  • What are the most popular airlines that fly from Chicago to Sofia?

    Undisclosed Carrier, American Airlines and Air Canada are the most popular airlines when flying from Chicago to Sofia.

  • What is the cheapest month to book a flight from Chicago to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Sofia (average of $660). Flying from Chicago to Sofia in June is currently the most expensive (average of $1,270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

O'Hare Intl to Sofia flights
St. Louis to Sofia flights
Midway to Sofia flights

Top 10 airlines flying from Chicago to Sofia

Discover the top 10 airlines that operate flights from Chicago to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$422Average$485FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest$495Average$610FlexibilityNo cancel feeOn-time77%
Search Air France flights
Austrian AirlinesCheapest$522Average$899FlexibilityNo cancel feeOn-time78%
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Turkish AirlinesCheapest$552Average$754FlexibilityNo cancel feeOn-time77%
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Cheapflights makes it easy to find Chicago to Sofia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Sofia?

Cheapflights helps you find that perfect flight to Sofia from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chicago to Sofia with no change fees?

Certainly. Search results for flights to Sofia from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to Sofia become cheaper?

Yes, Cheapflights offers price alerts on Chicago to Sofia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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