Cheap flights from Seoul (SEL) to Illinois from $429

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 10/31. 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.
SEL — ORD
jun. 4 — jun. 111

How far in advance should I book a flight from Seoul to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 61% on flights from Seoul to Illinois compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,088. For sooner than that we have options available in the next 3 days from $2,327.

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

November is one of the best times of the year to fly to Illinois from Seoul. Prices for November average $1,404 per person but you can even find prices for as low as $695. The most expensive prices can be found in the month of August. Opting for a November flight can save you 40% on your journey compared to booking in August

What is the cheapest time of day to fly from SEL to IL?

When flying from Seoul to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Seoul to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Seoul to Illinois. Deals update often to give you more flight options matching your criteria
mar. 11/56:35 pmICN - ORD
1 stop17h 38mAmerican Airlines
jue. 11/147:00 amORD - ICN
1 stop18h 25mAmerican Airlines
Deal found 5/28$704
mar. 11/56:35 pmICN - ORD
2 stops20h 22mAmerican Airlines
jue. 11/145:00 amORD - ICN
1 stop20h 25mAmerican Airlines
Deal found 5/28$707
mar. 11/56:35 pmICN - ORD
2 stops20h 22mAmerican Airlines
jue. 11/148:45 pmORD - ICN
2 stops28h 40mAmerican Airlines
Deal found 5/28$780
mié. 6/55:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
mar. 6/118:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/30$807
vie. 10/45:25 pmICN - ORD
2 stops27h 07mAmerican Airlines
vie. 10/188:15 pmORD - ICN
2 stops29h 00mAmerican Airlines
Deal found 5/28$907
mié. 10/306:35 pmICN - ORD
1 stop17h 41mAmerican Airlines
jue. 3/136:25 amORD - ICN
1 stop20h 00mAmerican Airlines
Deal found 5/29$943
mar. 10/296:35 pmICN - ORD
1 stop19h 31mAmerican Airlines
mié. 3/126:25 amORD - ICN
1 stop20h 00mAmerican Airlines
Deal found 5/30$945
mié. 10/306:35 pmICN - ORD
2 stops19h 22mAmerican Airlines
mar. 3/185:00 amORD - ICN
1 stop21h 25mAmerican Airlines
Deal found 5/29$946
mar. 10/225:25 pmICN - ORD
1 stop17h 35mAmerican Airlines
mié. 2/128:20 pmORD - ICN
2 stops29h 05mAmerican Airlines
Deal found 5/29$947

Cheap Japan Airlines flights from Seoul to Illinois

Explore cheap flight options specifically provided by Japan Airlines for the route between Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
Take a gander at the lowest prices we've found on Japan Airlines flights from Seoul to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
vie. 9/137:55 amGMP - ORD
1 stop15h 15mJapan Airlines
dom. 9/223:12 pmORD - GMP
2 stops53h 33mJapan Airlines
Deal found 5/28$872
mar. 10/227:55 amGMP - ORD
1 stop15h 15mJapan Airlines
mié. 2/1210:20 amORD - GMP
1 stop21h 00mJapan Airlines
Deal found 5/29$922
mar. 10/227:55 amGMP - ORD
1 stop15h 15mJapan Airlines
mié. 2/1210:20 amORD - GMP
1 stop33h 35mJapan Airlines
Deal found 5/30$924
jue. 10/37:55 amGMP - ORD
1 stop15h 15mJapan Airlines
jue. 10/1712:05 pmORD - GMP
1 stop19h 55mJapan Airlines
Deal found 5/28$933
mar. 10/297:50 amGMP - ORD
1 stop14h 35mJapan Airlines
lun. 3/1011:20 amORD - GMP
1 stop17h 00mJapan Airlines
Deal found 5/30$934
vie. 11/17:50 amGMP - ORD
1 stop14h 35mJapan Airlines
vie. 11/158:28 pmORD - GMP
2 stops23h 27mJapan Airlines
Deal found 5/29$938
mié. 10/307:50 amGMP - ORD
1 stop14h 35mJapan Airlines
mié. 2/1210:00 amORD - GMP
2 stops21h 20mJapan Airlines
Deal found 5/29$952
mié. 10/307:50 amGMP - ORD
1 stop14h 35mJapan Airlines
mar. 3/186:25 amORD - GMP
2 stops25h 55mJapan Airlines
Deal found 5/30$954
vie. 11/17:50 amGMP - ORD
2 stops25h 50mJapan Airlines
vie. 11/158:28 pmORD - GMP
2 stops23h 27mJapan Airlines
Deal found 5/29$957

Cheap Seoul to Illinois flights in May & June 2024

Find cheap flight options from Seoul 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 2,784,634 searches. Prices were last updated on mayo 30, 2024.
Check out some of the best flight deals from Seoul to Illinois in 2024. For more flight deals, be sure to check back very soon.
jue. 6/65:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
dom. 6/238:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/29$982
jue. 5/3011:30 amICN - ORD
2 stops34h 06mUnited Airlines
dom. 6/210:15 pmORD - ICN
1 stop40h 05mUnited Airlines
Deal found 5/29$1,046
lun. 6/103:50 pmICN - ORD
2 stops47h 15mMultiple Airlines
lun. 9/912:05 pmORD - ICN
1 stop36h 15mMultiple Airlines
Deal found 5/29$1,058
jue. 5/3011:30 amICN - ORD
1 stop27h 20mUnited Airlines
dom. 6/210:15 pmORD - ICN
1 stop26h 45mUnited Airlines
Deal found 5/29$1,097
mié. 6/196:45 amICN - ORD
2 stops37h 04mMultiple Airlines
mié. 7/3110:38 pmORD - ICN
1 stop27h 07mMultiple Airlines
Deal found 5/29$1,104
lun. 6/311:30 amICN - ORD
1 stop17h 15mUnited Airlines
vie. 7/52:36 pmORD - ICN
2 stops23h 44mUnited Airlines
Deal found 5/28$1,105
mar. 6/47:55 amGMP - ORD
2 stops25h 43mJapan Airlines
dom. 6/96:00 amORD - GMP
2 stops50h 00mJapan Airlines
Deal found 5/30$1,115
lun. 6/103:50 pmICN - ORD
2 stops47h 15mMultiple Airlines
lun. 7/298:30 pmORD - ICN
1 stop22h 15mMultiple Airlines
Deal found 5/29$1,127
lun. 6/106:35 pmICN - ORD
1 stop34h 45mUnited Airlines
lun. 8/194:50 pmORD - ICN
1 stop32h 10mUnited Airlines
Deal found 5/29$1,149

Seoul to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Seoul and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Check out some of the best flight deals from Seoul to Illinois in 2024. For more flight deals, be sure to check back very soon.
vie. 9/137:55 amGMP - ORD
1 stop15h 15mJapan Airlines
dom. 9/223:12 pmORD - GMP
2 stops53h 33mJapan Airlines
Deal found 5/28$872
mar. 10/227:55 amGMP - ORD
1 stop15h 15mJapan Airlines
mié. 2/1210:20 amORD - GMP
1 stop21h 00mJapan Airlines
Deal found 5/29$922
mar. 10/227:55 amGMP - ORD
1 stop15h 15mJapan Airlines
mié. 2/1210:20 amORD - GMP
1 stop33h 35mJapan Airlines
Deal found 5/30$924
jue. 10/37:55 amGMP - ORD
1 stop15h 15mJapan Airlines
jue. 10/1712:05 pmORD - GMP
1 stop19h 55mJapan Airlines
Deal found 5/28$933
mar. 10/297:50 amGMP - ORD
1 stop14h 35mJapan Airlines
lun. 3/1011:20 amORD - GMP
1 stop17h 00mJapan Airlines
Deal found 5/30$934
vie. 11/17:50 amGMP - ORD
1 stop14h 35mJapan Airlines
vie. 11/158:28 pmORD - GMP
2 stops23h 27mJapan Airlines
Deal found 5/29$938
mié. 10/307:50 amGMP - ORD
1 stop14h 35mJapan Airlines
mié. 2/1210:00 amORD - GMP
2 stops21h 20mJapan Airlines
Deal found 5/29$952
mié. 10/307:50 amGMP - ORD
1 stop14h 35mJapan Airlines
mar. 3/186:25 amORD - GMP
2 stops25h 55mJapan Airlines
Deal found 5/30$954
vie. 11/17:50 amGMP - ORD
2 stops25h 50mJapan Airlines
vie. 11/158:28 pmORD - GMP
2 stops23h 27mJapan Airlines
Deal found 5/29$957

Non-stop flights to Illinois from Seoul

Discover non-stop flight options from Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
For a shorter flight, select one of these non-stop flights from Seoul to Illinois. Those looking to potentially save on 1 or 2-stop flights from Seoul to Illinois should utilize the search form at the the top of the page.
vie. 11/110:40 amICN - ORD
Nonstop12h 50mKorean Air
vie. 11/1511:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/29$1,252
mar. 9/1010:40 amICN - ORD
Nonstop12h 50mKorean Air
vie. 9/1312:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/30$1,281
mar. 9/1010:40 amICN - ORD
Nonstop12h 50mKorean Air
mar. 9/2412:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/29$1,283
lun. 9/2310:40 amICN - ORD
Nonstop12h 50mKorean Air
jue. 10/1712:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/30$1,284
lun. 11/410:40 amICN - ORD
Nonstop12h 50mKorean Air
lun. 12/211:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/28$1,285
mar. 9/1010:40 amICN - ORD
Nonstop12h 50mKorean Air
mar. 9/1712:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/29$1,288
mar. 10/2910:40 amICN - ORD
Nonstop12h 50mKorean Air
lun. 11/411:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/29$1,289
jue. 10/1710:40 amICN - ORD
Nonstop12h 50mKorean Air
mié. 10/2312:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/30$1,291
vie. 11/110:40 amICN - ORD
Nonstop12h 50mKorean Air
mar. 11/511:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/29$1,299

Seoul to Illinois flights leaving soon

Find last-minute flight options from Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
Have a look at some of the last-minute flights available departing from Seoul to Illinois. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
mié. 6/55:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
mar. 6/118:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/30$807
jue. 6/65:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
dom. 6/238:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/29$982
lun. 6/103:50 pmICN - ORD
2 stops47h 15mMultiple Airlines
lun. 9/912:05 pmORD - ICN
1 stop36h 15mMultiple Airlines
Deal found 5/29$1,058
lun. 6/311:30 amICN - ORD
1 stop17h 15mUnited Airlines
vie. 7/52:36 pmORD - ICN
2 stops23h 44mUnited Airlines
Deal found 5/28$1,105
mar. 6/47:55 amGMP - ORD
2 stops25h 43mJapan Airlines
dom. 6/96:00 amORD - GMP
2 stops50h 00mJapan Airlines
Deal found 5/30$1,115
lun. 6/103:50 pmICN - ORD
2 stops47h 15mMultiple Airlines
lun. 7/298:30 pmORD - ICN
1 stop22h 15mMultiple Airlines
Deal found 5/29$1,127
lun. 6/106:35 pmICN - ORD
1 stop34h 45mUnited Airlines
lun. 8/194:50 pmORD - ICN
1 stop32h 10mUnited Airlines
Deal found 5/29$1,149
lun. 6/1011:20 amICN - ORD
1 stop41h 50mLOT
lun. 8/199:40 pmORD - ICN
1 stop42h 40mLOT
Deal found 5/29$1,157
mar. 6/118:00 amICN - ORD
2 stops35h 49mMultiple Airlines
vie. 7/196:35 amORD - ICN
1 stop23h 15mMultiple Airlines
Deal found 5/29$1,158

One-way flights to Illinois from Seoul

Search for one-way flight options from Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
Take a look at some of the one-way flights we've detected from Seoul to Illinois. Users needing a return flight from Seoul to Illinois should utilize the search form above.
jue. 10/316:35 pmICN - ORD
1 stop19h 31mAmerican Airlines
Deal found 5/29$429
jue. 10/316:35 pmICN - ORD
2 stops19h 22mAmerican Airlines
Deal found 5/29$432
mié. 9/118:00 amICN - ORD
2 stops36h 00mMultiple Airlines
Deal found 5/29$434
mar. 10/15:25 pmICN - ORD
2 stops27h 07mAmerican Airlines
Deal found 5/30$438
mar. 6/255:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
Deal found 5/29$441
lun. 6/103:50 pmICN - ORD
2 stops47h 15mMultiple Airlines
Deal found 5/29$454
lun. 6/106:25 pmICN - MDW
3 stops58h 55mMultiple Airlines
Deal found 5/29$460
mar. 9/38:30 amICN - ORD
2 stops41h 42mMultiple Airlines
Deal found 5/30$462
lun. 6/106:25 pmICN - ORD
3 stops44h 40mMultiple Airlines
Deal found 5/29$469

Find flights from Seoul to Illinois within your budget

Customize your flight search to find flights from Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$704 - $1,258

Route

Depart

Return

Price

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

mar. 11/5

1 stop17h 38m

Chicago O'Hare Intl

jue. 11/14

1 stop18h 25m

$704

Seoul Gimpo IntlChicago O'Hare Intl

GMP - ORD

GMPORD

Seoul Gimpo Intl

vie. 9/13

1 stop15h 15m

Chicago O'Hare Intl

dom. 9/22

2 stops53h 33m

$872

Seoul Gimpo IntlChicago O'Hare Intl

GMP - ORD

GMPORD

Seoul Gimpo Intl

mié. 10/30

1 stop26h 30m

Chicago O'Hare Intl

mar. 3/18

1 stop27h 55m

$1,005

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

mié. 10/2

2 stops44h 55m

Chicago O'Hare Intl

mar. 10/8

2 stops45h 50m

$1,021

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

vie. 11/1

1 stop19h 44m

Chicago O'Hare Intl

vie. 11/15

1 stop20h 33m

$1,028

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

vie. 11/1

2 stops21h 46m

Chicago O'Hare Intl

vie. 11/15

1 stop19h 15m

$1,091

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

mar. 10/15

1 stop34h 26m

Chicago O'Hare Intl

mar. 10/29

1 stop33h 20m

$1,097

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

mié. 10/30

1 stop23h 05m

Chicago O'Hare Intl

jue. 3/13

1 stop28h 15m

$1,155

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

mié. 10/30

2 stops42h 13m

Chicago O'Hare Intl

vie. 3/14

2 stops47h 45m

$1,258

Flights are sorted by cheapest first

Deals found on 5/28

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

Best time to book a flight from Seoul to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Seoul 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.

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 mayo 30, 2024.
See what other customers who have flown with American Airlines, Japan Airlines and Air Canada from Seoul to Illinois have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.5
Very good
1,150 reviews
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.5
Very good
915 reviews
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.4
Very good
573 reviews
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.4
Very good
1,500 reviews
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.3
Very good
1,467 reviews
8.5
Very good
1,150 reviews

Food

8.1

Overall

8.5

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Seoul to Illinois for under $800 on Cheapflights?

    Yes, there are multiple flights from Seoul to Illinois for under $800. The cheapest flight booked recently is on American Airlines for just $704, but on average you can expect to pay $908.

  • Are there nonstop flights from Seoul to Illinois for under $1,300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seoul to Illinois under $1,300. A good price for a nonstop flight from Seoul to Illinois is less than $1,316.

  • Are there last-minute flights available from Seoul to Illinois for under $900?

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

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

  • What are the cheapest flights from Seoul to Illinois?

    The cheapest flight price from Seoul to Illinois is $1,188. On average you can expect to pay $2,240. The most popular route, (Incheon Intl - Chicago O'Hare Intl), can usually be booked for $1,028.

  • What does ICN to ORD mean?

    Incheon Intl Airport is ICN 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 Seoul to Illinois that include extra baggage allowance?

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

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

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

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

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

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

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

    Many airlines flying from Seoul 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 Seoul to Illinois?

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

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

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

  • What is the cheapest month to book a flight from Seoul to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Seoul to Illinois (average of $244). Flying from Seoul to Illinois in June is currently the most expensive (average of $326). 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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Top 8 airlines flying from Seoul to Illinois

Discover the top 8 airlines that operate flights from Seoul 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 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$762Average$1,116FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$831Average$936FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,089Average$1,133FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,295Average$1,711FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
DeltaCheapest$1,393Average$1,682FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Etihad AirwaysCheapest$1,451Average$1,488FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,588Average$1,677FlexibilityNo cancel feeOn-time77%
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Jeju AirCheapest$1,618Average$1,815FlexibilityNo cancel feeOn-timeN/A
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Search flights from Seoul to Illinois by cabin class

Find flights from Seoul to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Seoul to Illinois

Find hourly flight availability from Seoul 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 mayo 30, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
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Can Cheapflights find flights from Seoul to Illinois with no change fees?

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

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