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Cheap flights from Seoul (SEL) to Illinois from $397

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 6/4. 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
May 12 — May 191
From?
To?
Sun 5/12
Sun 5/19
1 adult, Economy
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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 $1,418 per person but you can even find prices for as low as $687. The most expensive prices can be found in the month of July. Opting for a November flight can save you 41% on your journey compared to booking in July

When is the cheapest time to fly from Seoul to Illinois (SEL - 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 2,749,864 searches. Data last updated May 7, 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
Thu 5/235:25 pmICN - ORD
1 stop21h 33mAmerican Airlines
Wed 6/127:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$702
Thu 5/235:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Sun 6/238:47 pmORD - ICN
2 stops28h 28mAmerican Airlines
Deal found 5/6$705
Tue 6/45:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Tue 6/188:30 pmORD - ICN
2 stops28h 45mAmerican Airlines
Deal found 5/5$706
Fri 10/115:25 pmICN - ORD
1 stop29h 27mAmerican Airlines
Wed 10/165:19 amORD - ICN
1 stop19h 56mAmerican Airlines
Deal found 5/7$710
Tue 5/145:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$713
Thu 6/65:25 pmICN - ORD
2 stops27h 46mAmerican Airlines
Thu 6/138:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/7$714
Fri 6/75:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
Thu 6/138:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/6$716
Tue 5/215:25 pmICN - ORD
2 stops26h 38mAmerican Airlines
Fri 6/285:00 amORD - ICN
1 stop20h 15mAmerican Airlines
Deal found 5/6$743
Tue 5/215:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Fri 6/287:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$751

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 2,749,864 searches. Data last updated May 7, 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.
Tue 9/1012:05 pmGMP - ORD
2 stops21h 35mJapan Airlines
Thu 10/1012:05 pmORD - GMP
1 stop19h 55mJapan Airlines
Deal found 5/7$875
Fri 10/257:55 amGMP - ORD
1 stop15h 15mJapan Airlines
Wed 2/1210:20 amORD - GMP
1 stop21h 00mJapan Airlines
Deal found 5/6$917
Fri 10/257:55 amGMP - ORD
1 stop15h 15mJapan Airlines
Wed 2/128:20 pmORD - GMP
2 stops35h 00mJapan Airlines
Deal found 5/6$947
Fri 10/257:55 amGMP - ORD
2 stops25h 38mJapan Airlines
Wed 2/128:20 pmORD - GMP
2 stops35h 00mJapan Airlines
Deal found 5/6$972
Thu 6/67:20 pmGMP - ORD
2 stops38h 15mJapan Airlines
Thu 6/1312:25 pmORD - GMP
1 stop19h 35mJapan Airlines
Deal found 5/7$1,087
Wed 9/117:55 amGMP - ORD
1 stop15h 15mJapan Airlines
Fri 9/209:55 amORD - GMP
2 stops22h 05mJapan Airlines
Deal found 5/7$1,268
Fri 6/77:55 amGMP - ORD
1 stop15h 25mJapan Airlines
Fri 6/146:00 amORD - GMP
2 stops38h 45mJapan Airlines
Deal found 5/6$1,423
Mon 6/177:55 amGMP - ORD
1 stop15h 25mJapan Airlines
Mon 2/2410:20 amORD - GMP
1 stop33h 35mJapan Airlines
Deal found 5/6$1,480
Sun 6/167:55 amGMP - ORD
1 stop15h 25mJapan Airlines
Mon 2/2410:20 amORD - GMP
1 stop33h 35mJapan Airlines
Deal found 5/6$1,535

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 2,749,864 searches. Prices were last updated on May 7, 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.
Thu 5/235:25 pmICN - ORD
1 stop21h 33mAmerican Airlines
Wed 6/127:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$702
Thu 5/235:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Sun 6/238:47 pmORD - ICN
2 stops28h 28mAmerican Airlines
Deal found 5/6$705
Tue 6/45:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Tue 6/188:30 pmORD - ICN
2 stops28h 45mAmerican Airlines
Deal found 5/5$706
Tue 5/145:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$713
Tue 5/145:25 pmICN - ORD
1 stop19h 35mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$714
Fri 6/75:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
Thu 6/138:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/6$716
Tue 5/215:25 pmICN - ORD
2 stops26h 38mAmerican Airlines
Fri 6/285:00 amORD - ICN
1 stop20h 15mAmerican Airlines
Deal found 5/6$743
Tue 5/215:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Fri 6/287:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$751
Wed 5/85:25 pmICN - ORD
2 stops26h 38mAmerican Airlines
Thu 5/168:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/6$753

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 2,749,864 searches. Data last updated May 7, 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.
Thu 5/235:25 pmICN - ORD
1 stop21h 33mAmerican Airlines
Wed 6/127:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$702
Thu 5/235:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Sun 6/238:47 pmORD - ICN
2 stops28h 28mAmerican Airlines
Deal found 5/6$705
Tue 6/45:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Tue 6/188:30 pmORD - ICN
2 stops28h 45mAmerican Airlines
Deal found 5/5$706
Tue 5/145:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$713
Tue 5/145:25 pmICN - ORD
1 stop19h 35mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$714
Fri 6/75:25 pmICN - ORD
2 stops27h 57mAmerican Airlines
Thu 6/138:45 pmORD - ICN
2 stops28h 30mAmerican Airlines
Deal found 5/6$716
Tue 5/215:25 pmICN - ORD
2 stops26h 38mAmerican Airlines
Fri 6/285:00 amORD - ICN
1 stop20h 15mAmerican Airlines
Deal found 5/6$743
Tue 5/215:25 pmICN - ORD
1 stop17h 20mAmerican Airlines
Fri 6/287:00 amORD - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/6$751
Wed 5/85:25 pmICN - ORD
2 stops26h 38mAmerican Airlines
Thu 5/168:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/6$753

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 2,749,864 searches. Data last updated May 7, 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.
Fri 11/110:40 amICN - ORD
Nonstop12h 50mKorean Air
Thu 11/711:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/7$1,291
Tue 10/110:40 amICN - ORD
Nonstop12h 50mKorean Air
Tue 10/812:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/7$1,292
Mon 10/1410:40 amICN - ORD
Nonstop12h 50mKorean Air
Fri 10/1812:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/6$1,293
Tue 10/110:40 amICN - ORD
Nonstop12h 50mKorean Air
Wed 10/912:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/6$1,294
Mon 9/2310:40 amICN - ORD
Nonstop12h 50mKorean Air
Fri 10/412:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/6$1,296
Tue 9/1010:40 amICN - ORD
Nonstop12h 50mKorean Air
Thu 9/1912:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/6$1,297
Tue 10/110:40 amICN - ORD
Nonstop12h 50mKorean Air
Mon 10/1412:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/7$1,300
Wed 9/1110:40 amICN - ORD
Nonstop12h 50mKorean Air
Thu 9/1912:20 pmORD - ICN
Nonstop14h 30mKorean Air
Deal found 5/7$1,302
Wed 10/910:40 amICN - ORD
Nonstop12h 50mKorean Air
Wed 11/611:25 amORD - ICN
Nonstop14h 05mKorean Air
Deal found 5/5$1,305

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 2,749,864 searches. Data last updated May 7, 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.
Tue 5/145:25 pmICN - ORD
2 stops20h 34mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$713
Tue 5/145:25 pmICN - ORD
1 stop19h 35mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/7$714
Tue 5/145:25 pmICN - ORD
1 stop29h 10mAmerican Airlines
Tue 5/218:24 pmORD - ICN
2 stops28h 51mAmerican Airlines
Deal found 5/6$716
Mon 5/1310:15 amICN - ORD
2 stops33h 45mMultiple Airlines
Thu 8/155:55 pmORD - ICN
1 stop35h 45mMultiple Airlines
Deal found 5/6$1,071
Mon 5/1311:20 amICN - ORD
1 stop46h 20mLOT
Sat 10/129:40 pmORD - ICN
2 stops45h 50mLOT
Deal found 5/7$1,163
Tue 5/1411:20 amICN - ORD
1 stop41h 50mLOT
Tue 5/219:40 pmORD - ICN
1 stop42h 40mLOT
Deal found 5/7$1,168
Tue 5/1411:20 amICN - ORD
1 stop41h 50mLOT
Tue 5/219:40 pmORD - ICN
1 stop42h 40mLOT
Deal found 5/6$1,173
Mon 5/1310:15 amICN - ORD
2 stops33h 45mMultiple Airlines
Wed 8/1412:30 amORD - ICN
1 stop20h 30mMultiple Airlines
Deal found 5/6$1,180
Tue 5/1411:20 amICN - ORD
1 stop46h 20mLOT
Sun 5/199:45 pmORD - ICN
2 stops42h 35mLOT
Deal found 5/6$1,200

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 2,749,864 searches. Data last updated May 7, 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.
Tue 6/48:35 amICN - ORD
3 stops27h 20mMultiple Airlines
Deal found 5/7$397
Tue 6/48:35 amICN - ORD
2 stops40h 57mMultiple Airlines
Deal found 5/7$400
Tue 6/48:35 amICN - ORD
3 stops36h 01mMultiple Airlines
Deal found 5/7$404
Fri 6/74:05 pmICN - ORD
2 stops50h 17mMultiple Airlines
Deal found 5/7$406
Tue 6/48:35 amICN - ORD
3 stops36h 01mMultiple Airlines
Deal found 5/6$410
Mon 6/38:35 amICN - ORD
2 stops35h 25mMultiple Airlines
Deal found 5/7$415
Mon 6/38:35 amICN - ORD
3 stops36h 05mMultiple Airlines
Deal found 5/7$417
Fri 6/78:35 amICN - ORD
2 stops40h 57mMultiple Airlines
Deal found 5/6$418
Tue 6/410:35 pmICN - ORD
2 stops50h 57mMultiple Airlines
Deal found 5/7$421

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 2,749,864 searches. Data last updated May 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$702 - $1,168

Route

Depart

Return

Price

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Thu 5/23

1 stop21h 33m

Chicago O'Hare Intl

Wed 6/12

1 stop18h 15m

$702

Seoul Gimpo IntlChicago O'Hare Intl

GMP - ORD

GMPORD

Seoul Gimpo Intl

Tue 9/10

2 stops21h 35m

Chicago O'Hare Intl

Thu 10/10

1 stop19h 55m

$875

Seoul Gimpo IntlChicago O'Hare Intl

GMP - ORD

GMPORD

Seoul Gimpo Intl

Fri 6/7

1 stop21h 15m

Chicago O'Hare Intl

Thu 7/18

1 stop27h 20m

$1,032

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Thu 10/24

2 stops49h 25m

Chicago O'Hare Intl

Tue 2/18

1 stop42h 15m

$1,035

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Sat 5/25

1 stop29h 45m

Chicago O'Hare Intl

Mon 8/26

2 stops30h 03m

$1,061

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Fri 10/25

1 stop20h 20m

Chicago O'Hare Intl

Wed 2/12

1 stop29h 20m

$1,095

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Tue 9/10

1 stop18h 15m

Chicago O'Hare Intl

Thu 10/10

1 stop20h 25m

$1,101

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Wed 10/9

1 stop29h 54m

Chicago O'Hare Intl

Wed 11/6

2 stops30h 15m

$1,144

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Sat 9/21

1 stop22h 45m

Chicago O'Hare Intl

Tue 10/29

1 stop20h 00m

$1,168

Flights are sorted by cheapest first

Deals found on 5/6

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 7, 2024.
See what other customers who have flown with American Airlines, Japan Airlines and ANA from Seoul to Illinois have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Korean Air
8.6
Very good
1,183 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

ANA
8.5
Very good
926 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Asiana Airlines
8.4
Very good
584 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

EVA Air
8.4
Very good
1,533 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

Japan Airlines
8.3
Very good
1,478 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Comfort

8.3

Overall

8.6

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

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 $702, but on average you can expect to pay $802.

  • 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 $1,310.

  • Are there last-minute flights available from Seoul to Illinois for under $800?

    There are currently 20+ open flights from Seoul to Illinois within the next 7 days for less than $800.

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

    While some choose either Seoul Gimpo Intl - Chicago O'Hare Intl or Incheon Intl - Chicago Midway, Incheon Intl - Chicago O'Hare Intl is the most popular route from Seoul to Illinois.

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

    The most popular airlines flying from Seoul to Illinois are Jeju Air, American Airlines and Air Canada. Something to consider prior to booking your flight.

  • What are the cheapest flights from Seoul to Illinois?

    The cheapest flight price from Seoul to Illinois is $1,151. On average you can expect to pay $2,257. The most popular route, (Incheon Intl - Chicago O'Hare Intl), can usually be booked for $1,016.

  • 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 5/7.

See more FAQs

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

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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 2,749,864 searches. Data last updated May 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$831Average$936FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$852Average$1,104FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,089Average$1,126FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,295Average$1,711FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
DeltaCheapest$1,392Average$1,640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Etihad AirwaysCheapest$1,451Average$1,488FlexibilityNo cancel feeOn-time75%
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Turkish AirlinesCheapest$1,588Average$1,677FlexibilityNo cancel feeOn-time77%
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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.
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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 May 7, 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
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Yes, we can. To see specific flights from Seoul to Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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