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Cheap flights from Buffalo (BUF) to Illinois from $65

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 6/15. 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.
BUF — ORD
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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How far in advance should I book a flight from Buffalo to Illinois?

To save up to 41% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Buffalo to Illinois from $253 1-2 weeks out and tickets from $253 for flights departing within the next 72 hours.

What is the cheapest month to fly from Buffalo to Illinois?

Flights from Buffalo to Illinois lean towards being more expensive in February. Prices are generally better when you fly from Buffalo to Illinois in September, with the cheapest ticket starting at $94.

When is the cheapest time to fly from Buffalo to Illinois (BUF - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Illinois as you normally would.

Cheap Sun Country Air flights from Buffalo to Illinois

Explore cheap flight options specifically provided by Sun Country Air for the route between Buffalo and Illinois. 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 2,644,845 searches. Data last updated May 15, 2024.
Check out some of the cheapest Sun Country Air flights we've come across from Buffalo to Illinois. Deals update often to give you more flight options matching your criteria
Thu 6/1311:47 amBUF - ORD
1 stop6h 55mSun Country Air
Sun 6/166:25 amORD - BUF
1 stop4h 39mSun Country Air
Deal found 5/14$195
Sun 6/232:36 pmBUF - ORD
1 stop5h 04mSun Country Air
Wed 6/268:05 pmORD - BUF
1 stop13h 52mSun Country Air
Deal found 5/14$200
Fri 7/52:00 pmBUF - ORD
1 stop22h 33mSun Country Air
Sun 7/78:05 pmORD - BUF
1 stop16h 09mSun Country Air
Deal found 5/15$212
Thu 7/411:49 amBUF - ORD
1 stop6h 46mSun Country Air
Sun 7/78:05 pmORD - BUF
1 stop16h 09mSun Country Air
Deal found 5/15$244

Cheap Frontier flights from Buffalo to Illinois

Explore cheap flight options specifically provided by Frontier for the route between Buffalo and Illinois. 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 2,644,845 searches. Data last updated May 15, 2024.
Take a gander at the lowest prices we've found on Frontier flights from Buffalo to Illinois. Check back soon if you're not seeing flights that suit your needs.
Sat 5/257:02 pmBUF - ORD
1 stop27h 13mFrontier
Wed 5/298:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/14$109
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Wed 6/58:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/15$126
Tue 6/48:40 pmBUF - STL
1 stop11h 42mFrontier
Thu 6/63:32 pmSTL - BUF
1 stop24h 53mFrontier
Deal found 5/14$130
Sat 5/257:02 pmBUF - ORD
1 stop27h 13mFrontier
Tue 5/281:30 pmORD - BUF
1 stop6h 30mFrontier
Deal found 5/15$134
Tue 9/311:45 amBUF - ORD
1 stop14h 14mFrontier
Tue 9/107:00 amORD - BUF
1 stop12h 02mFrontier
Deal found 5/14$135
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Wed 6/58:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/14$144
Tue 6/48:40 pmBUF - ORD
1 stop29h 27mFrontier
Fri 6/78:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/14$150
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Mon 6/38:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/14$151
Sun 6/24:29 pmBUF - MDW
1 stop28h 32mFrontier
Sat 6/85:40 amMDW - BUF
1 stop15h 12mFrontier
Deal found 5/14$152

Cheap Buffalo to Illinois flights in May & June 2024

Find cheap flight options from Buffalo to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
Listed are some of the best fares we've found on flights departing from Buffalo to Illinois in 2024. Check back soon for alternative fares.
Tue 6/48:40 pmBUF - STL
1 stop11h 42mFrontier
Thu 6/63:32 pmSTL - BUF
1 stop24h 53mFrontier
Deal found 5/14$130
Fri 6/146:15 pmBUF - STL
1 stop16h 14mFrontier
Fri 6/215:36 pmSTL - BUF
1 stop27h 16mFrontier
Deal found 5/15$155
Sat 5/184:04 pmBUF - ORD
1 stop9h 54mFrontier
Tue 5/211:30 pmORD - BUF
1 stop6h 30mFrontier
Deal found 5/14$210
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mMultiple Airlines
Sun 6/307:35 pmORD - BUF
1 stop14h 20mMultiple Airlines
Deal found 5/14$211
Sat 6/299:07 pmBUF - MDW
1 stop13h 24mFrontier
Tue 7/22:06 pmMDW - BUF
1 stop26h 46mFrontier
Deal found 5/14$213
Fri 6/282:46 pmBUF - ORD
1 stop5h 14mFrontier
Mon 7/18:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/14$213
Wed 5/222:46 pmBUF - ORD
1 stop4h 59mFrontier
Mon 5/278:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/15$216
Fri 6/142:46 pmBUF - ORD
1 stop5h 14mMultiple Airlines
Sun 6/166:25 amORD - BUF
1 stop4h 39mMultiple Airlines
Deal found 5/15$221
Thu 6/1310:26 amBUF - MDW
1 stop10h 30mFrontier
Fri 6/145:55 amMDW - BUF
1 stop10h 30mFrontier
Deal found 5/14$226

Buffalo to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Buffalo and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Listed are some of the best fares we've found on flights departing from Buffalo to Illinois in 2024. Check back soon for alternative fares.
Tue 6/48:40 pmBUF - STL
1 stop11h 42mFrontier
Thu 6/63:32 pmSTL - BUF
1 stop24h 53mFrontier
Deal found 5/14$130
Fri 6/146:15 pmBUF - STL
1 stop16h 14mFrontier
Fri 6/215:36 pmSTL - BUF
1 stop27h 16mFrontier
Deal found 5/15$155
Sat 5/184:04 pmBUF - ORD
1 stop9h 54mFrontier
Tue 5/211:30 pmORD - BUF
1 stop6h 30mFrontier
Deal found 5/14$210
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mMultiple Airlines
Sun 6/307:35 pmORD - BUF
1 stop14h 20mMultiple Airlines
Deal found 5/14$211
Fri 8/96:46 pmBUF - MDW
1 stop17h 34mFrontier
Mon 8/125:10 amMDW - BUF
1 stop10h 10mFrontier
Deal found 5/14$212
Fri 7/52:00 pmBUF - ORD
1 stop22h 33mSun Country Air
Sun 7/78:05 pmORD - BUF
1 stop16h 09mSun Country Air
Deal found 5/15$212
Sat 6/299:07 pmBUF - MDW
1 stop13h 24mFrontier
Tue 7/22:06 pmMDW - BUF
1 stop26h 46mFrontier
Deal found 5/14$213
Fri 6/282:46 pmBUF - ORD
1 stop5h 14mFrontier
Mon 7/18:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/14$213
Sun 7/219:19 pmBUF - ORD
1 stop28h 40mFrontier
Wed 7/248:00 amORD - BUF
1 stop4h 45mFrontier
Deal found 5/14$214

Non-stop flights to Illinois from Buffalo

Discover non-stop flight options from Buffalo to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
For a quicker trip, book one of these direct flights from Buffalo to Illinois. Users can also choose from other Buffalo to Illinois flights by using the search form above.
Tue 9/36:30 pmBUF - ORD
Nonstop1h 50mAmerican Airlines
Tue 9/108:20 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 5/14$249
Fri 5/318:28 amBUF - ORD
Nonstop1h 52mAmerican Airlines
Wed 6/58:27 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 5/15$252
Tue 10/224:57 pmBUF - ORD
Nonstop1h 48mAmerican Airlines
Tue 10/291:15 pmORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 5/14$255
Thu 8/18:00 amBUF - ORD
Nonstop1h 52mAmerican Airlines
Sat 8/36:33 pmORD - BUF
Nonstop1h 50mAmerican Airlines
Deal found 5/14$264
Thu 8/88:06 amBUF - ORD
Nonstop1h 49mAmerican Airlines
Mon 8/127:24 pmORD - BUF
Nonstop1h 33mAmerican Airlines
Deal found 5/14$275
Fri 9/2011:55 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Mon 9/238:15 amORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 5/15$276
Thu 7/47:00 amBUF - ORD
Nonstop1h 52mUnited Airlines
Sun 7/72:17 pmORD - BUF
Nonstop1h 40mUnited Airlines
Deal found 5/15$279
Wed 6/268:15 amBUF - ORD
Nonstop1h 50mAmerican Airlines
Sun 6/308:27 pmORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 5/14$282
Sat 6/297:00 amBUF - ORD
Nonstop1h 52mUnited Airlines
Tue 7/26:59 pmORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 5/14$289

Buffalo to Illinois flights leaving soon

Find last-minute flight options from Buffalo to Illinois 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 2,644,845 searches. Data last updated May 15, 2024.
Have a look at some of the last-minute flights available departing from Buffalo to Illinois. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 5/222:46 pmBUF - ORD
1 stop4h 59mFrontier
Mon 5/278:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/15$216
Wed 5/2210:56 pmBUF - MDW
1 stop13h 13mFrontier
Mon 5/275:11 amMDW - BUF
1 stop10h 14mFrontier
Deal found 5/15$244
Wed 5/2210:56 pmBUF - MDW
1 stop13h 13mFrontier
Wed 5/295:01 amMDW - BUF
1 stop15h 55mFrontier
Deal found 5/15$252
Wed 5/2210:56 pmBUF - MDW
1 stop13h 13mFrontier
Fri 5/245:01 amMDW - BUF
1 stop12h 06mFrontier
Deal found 5/15$255
Wed 5/222:46 pmBUF - ORD
1 stop4h 59mFrontier
Mon 5/278:00 amORD - BUF
1 stop4h 46mFrontier
Deal found 5/14$271
Thu 5/235:08 pmBUF - ORD
1 stop9h 00mFrontier
Sun 5/261:30 pmORD - BUF
1 stop6h 15mFrontier
Deal found 5/13$272
Wed 5/224:55 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Wed 5/291:39 pmORD - BUF
Nonstop1h 35mAmerican Airlines
Deal found 5/15$313
Wed 5/226:00 amBUF - ORD
1 stop7h 40mAmerican Airlines
Wed 5/291:39 pmORD - BUF
Nonstop1h 35mAmerican Airlines
Deal found 5/15$321
Sat 5/254:40 pmBUF - ORD
Nonstop1h 52mAmerican Airlines
Wed 5/298:14 amORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 5/14$334

One-way flights to Illinois from Buffalo

Search for one-way flight options from Buffalo to Illinois. 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 2,644,845 searches. Data last updated May 15, 2024.
Some of the best available deals we've found on one-way flights from Buffalo to Illinois. Users needing a return flight from Buffalo to Illinois should utilize the search form above.
Sat 6/159:07 pmBUF - MDW
1 stop13h 24mFrontier
Deal found 5/13$65
Mon 5/202:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/13$74
Fri 5/312:46 pmBUF - ORD
1 stop4h 59mFrontier
Deal found 5/13$78
Sun 6/24:29 pmBUF - ORD
1 stop9h 39mFrontier
Deal found 5/14$79
Thu 6/67:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/14$81
Sat 6/157:29 pmBUF - MDW
1 stop11h 31mFrontier
Deal found 5/15$82
Mon 6/175:52 pmBUF - MDW
1 stop20h 17mFrontier
Deal found 5/15$84
Sun 6/24:29 pmBUF - ORD
1 stop9h 39mFrontier
Deal found 5/14$84
Sat 8/246:46 pmBUF - MDW
1 stop18h 06mFrontier
Deal found 5/14$85

Find flights from Buffalo to Illinois within your budget

Customize your flight search to find flights from Buffalo to Illinois 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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$109 - $301

Route

Depart

Return

Price

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Sat 5/25

1 stop27h 13m

Chicago O'Hare Intl

Wed 5/29

1 stop4h 46m

$109

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Fri 5/31

1 stop4h 59m

Chicago O'Hare Intl

Wed 6/5

1 stop4h 45m

$126

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Tue 6/4

1 stop11h 42m

Lambert-St Louis

Thu 6/6

1 stop24h 53m

$130

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Fri 6/14

1 stop5h 14m

Chicago O'Hare Intl

Sun 6/16

1 stop4h 39m

$170

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Thu 6/13

1 stop6h 55m

Chicago O'Hare Intl

Sun 6/16

1 stop4h 39m

$195

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Mon 7/22

1 stop5h 06m

Chicago O'Hare Intl

Thu 7/25

1 stop4h 56m

$250

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Fri 5/31

Nonstop1h 52m

Chicago O'Hare Intl

Wed 6/5

Nonstop1h 36m

$252

BuffaloChicago O'Hare Intl

BUF - ORD

BUFORD

Buffalo

Thu 7/4

Nonstop1h 52m

Chicago O'Hare Intl

Sun 7/7

Nonstop1h 40m

$279

BuffaloChicago Midway

BUF - MDW

BUFMDW

Buffalo

Sat 7/20

1 stop3h 25m

Chicago Midway

Wed 7/24

1 stop5h 35m

$301

Flights are sorted by cheapest first

Deals found on 5/14

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 15, 2024.
Get a feel of what it's like to fly with Sun Country Air, Frontier and American Airlines from Buffalo to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,691 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue
7.6
Good
4,475 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Aeromexico
7.6
Good
2,535 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Comfort

8.1

Food

7.3

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Illinois. 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 from for flights from Buffalo to Illinois?

    Most people fly from Buffalo (BUF) if they book a flight from Buffalo to Illinois. Buffalo is conveniently located just 8.3 mi from Buffalo’s city center.

  • Can I find flights from Buffalo to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Buffalo to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $109, but on average you can expect to pay $150.

  • Are there nonstop flights from Buffalo to Illinois for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Buffalo to Illinois under $300. A good price for a nonstop flight from Buffalo to Illinois is less than $294.

  • Are there last-minute flights available from Buffalo to Illinois for under $300?

    There are currently 20+ open flights from Buffalo to Illinois within the next 7 days for less than $300.

  • What days are nonstop flights available from Buffalo to Illinois?

    Nonstop flights can be found on the following days: Sunday, Monday, Wednesday, Thursday.

  • How many flights depart from Buffalo to Illinois on average per day?

    3 flight departures from Buffalo to Illinois per day on average.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Buffalo to Illinois?

    For as low as $109, Frontier can have you in Illinois from Buffalo in 27h 13m. The distance between Buffalo and Illinois is about 474 mi.

  • What are the cheapest airlines to fly from Buffalo to Illinois one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $88 and $101 on Sun Country Air and JetBlue, respectively.

  • What are the most popular routes from Buffalo to Illinois?

    When deciding which route to take from Buffalo to Illinois consider Buffalo - Chicago O'Hare Intl, Buffalo - Chicago Midway or Buffalo - Lambert-St Louis as they are the most popular.

  • What are the most popular airlines that fly from Buffalo to Illinois?

    American Airlines, Delta and United Airlines are the most popular airlines when flying from Buffalo to Illinois.

  • What are the most reliable airlines from Buffalo to Illinois?

    Consider GoJet (96%), Republic Airways (96%) or American Airlines (95%) when booking your flight. These represent the most reliable airlines when flying from Buffalo to Illinois.

  • What are the cheapest flights from Buffalo to Illinois?

    The cheapest flight price from Buffalo to Illinois is $129. On average you can expect to pay $1,134. The most popular route, (Buffalo - Chicago O'Hare Intl), can usually be booked for $166.

  • What does BUF to ORD mean?

    Buffalo Airport is BUF and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • Can I find deals for flights from Buffalo to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Buffalo to Illinois 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 Buffalo to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Buffalo to Illinois 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 Buffalo to Illinois that include hotel bookings?

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

  • How can I find direct flights from Buffalo to Illinois?

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

  • Can I find deals for business class flights from Buffalo to Illinois?

    Yes. Cheapflights offers flight deals from Buffalo to Illinois 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 Buffalo to Illinois that allow pets onboard?

    Many airlines flying from Buffalo to Illinois 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 Buffalo to Illinois?

    Yes, you can often find last-minute deals on Buffalo to Illinois 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 Buffalo to Illinois flight deals updated?

    The Buffalo to Illinois flight deals you see on this page were last updated on 5/15.

See more FAQs

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Alternative routes for Buffalo to Illinois
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Top 3 airlines flying from Buffalo to Illinois

Discover the top 3 airlines that operate flights from Buffalo to Illinois. 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 2,644,845 searches. Data last updated May 15, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$142Average$318FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$169Average$339FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$219Average$346FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Buffalo to Illinois by cabin class

Find flights from Buffalo to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Buffalo to Illinois

Find hourly flight availability from Buffalo to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2024.
1%of flight departuresEarly morningMidnight to 6 am
70%of flight departuresMorning6 am to noon
26%of flight departuresAfternoonNoon to 6 pm
3%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
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Can Cheapflights find flights from Buffalo to Illinois with no change fees?

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Can Cheapflights notify me if prices for flights from Buffalo to Illinois become cheaper?

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