Currently, January is the cheapest month in which you can book a flight from Illinois to Seoul (average of $1,222). Flying from Illinois to Seoul in July is currently the most expensive (average of $1,852). 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.

How recently were the Illinois to Seoul flight deals updated?

The Illinois to Seoul flight deals you see on this page were last updated on 4/26.

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

When booking a flight from Illinois to Seoul, you may want to consider flying on American Airlines, Air Canada or Finnair as they are the most popular for this route.

What are the most popular routes from Illinois to Seoul?

The most popular flight routes from Illinois to Seoul are Chicago O'Hare Intl - Incheon Intl, Chicago O'Hare Intl - Seoul Gimpo Intl and Chicago Midway - Incheon Intl.

What are the cheapest flights from Illinois to Seoul?

While on average a flight from Illinois to Seoul is generally $2,459, our data shows the cheapest flight currently is $622. When looking at the most popular route, (Chicago O'Hare Intl - Incheon Intl), you can expect to pay $1,000 for that flight.

Can I find flights from Illinois to Seoul for under $1,000 on Cheapflights?

Yes, there are multiple flights from Illinois to Seoul for under $1,000. The cheapest flight booked recently is on Cathay Pacific for just $945, but on average you can expect to pay $1,057.

Are there nonstop flights from Illinois to Seoul for under $1,700 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Seoul under $1,700. A good price for a nonstop flight from Illinois to Seoul is less than $1,750.

Are there last-minute flights available from Illinois to Seoul for under $1,200?

There are currently 20+ open flights from Illinois to Seoul within the next 7 days for less than $1,200.

What does ORD to ICN mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Incheon Intl Airport flight would often be abbreviated as a ORD to ICN flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: 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 Illinois to Seoul that include extra baggage allowance?

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

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

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

How can I find direct flights from Illinois to Seoul?

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

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

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

Many airlines flying from Illinois to Seoul 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 Illinois to Seoul?

Yes, you can often find last-minute deals on Illinois to Seoul 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.

Cheap Flights from Illinois (IL) to Seoul, South Korea from $456 - Find Tickets & Airfare Deals at Cheapflights.com

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

Find a great deal and save up to 67% by booking at least 13 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Illinois to Seoul within the next two weeks, with the cheapest ticket starting at $862.

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

Our data shows that August tends to be the cheapest month to fly to Seoul from Illinois. Users have commonly found prices around $1,579 for the month, but tickets can be as low as $1,094. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Illinois to Seoul (IL - SEL)?

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

Cheap Cathay Pacific flights from Illinois to Seoul

Find some of the cheapest Cathay Pacific flights traveling from Illinois to Seoul. Make sure to double check the flight details before booking.

Tue 9/244:05 pmORD - ICN

1 stop32h 05mCathay Pacific

Thu 10/178:15 pmICN - ORD

1 stop32h 10mCathay Pacific

Deal found 4/26$945

Fri 8/304:05 pmORD - ICN

1 stop30h 30mCathay Pacific

Mon 9/93:10 pmICN - ORD

1 stop37h 15mCathay Pacific

Deal found 4/26$1,000

Tue 10/84:05 pmORD - ICN

1 stop30h 30mCathay Pacific

Thu 10/178:15 pmICN - ORD

1 stop32h 10mCathay Pacific

Deal found 4/25$1,073

Thu 8/224:05 pmORD - ICN

1 stop30h 30mCathay Pacific

Mon 9/28:15 pmICN - ORD

1 stop32h 10mCathay Pacific

Deal found 4/25$1,078

Fri 5/34:05 pmORD - ICN

1 stop39h 10mCathay Pacific

Sat 5/1110:10 amICN - ORD

1 stop42h 15mCathay Pacific

Deal found 4/25$1,105

Tue 9/104:05 pmORD - ICN

1 stop30h 30mCathay Pacific

Mon 10/287:35 pmICN - ORD

1 stop32h 25mCathay Pacific

Deal found 4/25$1,123

Fri 10/184:05 pmORD - ICN

1 stop32h 05mCathay Pacific

Fri 11/17:35 pmICN - ORD

1 stop32h 25mCathay Pacific

Deal found 4/25$1,125

Thu 5/24:05 pmORD - ICN

1 stop37h 10mCathay Pacific

Thu 5/163:10 pmICN - ORD

1 stop37h 15mCathay Pacific

Deal found 4/25$1,311

Sat 5/44:05 pmORD - ICN

1 stop32h 05mCathay Pacific

Sat 5/253:10 pmICN - ORD

1 stop37h 15mCathay Pacific

Deal found 4/25$1,498

Cheap Turkish Airlines flights from Illinois to Seoul

Browse through some of the cheapest Turkish Airlines flights traveling from Illinois to Seoul. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Wed 10/911:25 amORD - ICN

1 stop31h 20mTurkish Airlines

Mon 10/2810:35 amICN - ORD

1 stop46h 35mTurkish Airlines

Deal found 4/25$1,022

Mon 9/28:30 pmORD - ICN

1 stop22h 15mTurkish Airlines

Wed 10/211:20 pmICN - ORD

1 stop24h 20mTurkish Airlines

Deal found 4/25$1,040

Mon 9/168:30 pmORD - ICN

1 stop22h 15mTurkish Airlines

Mon 10/710:30 amICN - ORD

1 stop37h 10mTurkish Airlines

Deal found 4/26$1,048

Wed 9/1811:25 amORD - ICN

1 stop31h 20mTurkish Airlines

Thu 10/1011:20 pmICN - ORD

1 stop32h 25mTurkish Airlines

Deal found 4/25$1,057

Mon 9/98:30 pmORD - ICN

1 stop22h 15mTurkish Airlines

Mon 10/2810:35 amICN - ORD

1 stop38h 20mTurkish Airlines

Deal found 4/25$1,060

Wed 9/1811:25 amORD - ICN

1 stop31h 20mTurkish Airlines

Mon 10/710:30 amICN - ORD

1 stop37h 10mTurkish Airlines

Deal found 4/26$1,065

Tue 10/158:30 pmORD - ICN

1 stop31h 10mTurkish Airlines

Fri 11/810:35 amICN - ORD

1 stop39h 20mTurkish Airlines

Deal found 4/25$1,069

Wed 9/118:30 pmORD - ICN

1 stop31h 10mTurkish Airlines

Thu 10/3112:15 amICN - ORD

1 stop24h 40mTurkish Airlines

Deal found 4/25$1,077

Wed 8/218:30 pmORD - ICN

1 stop31h 10mTurkish Airlines

Fri 10/1811:20 pmICN - ORD

1 stop24h 20mTurkish Airlines

Deal found 4/26$1,086

Cheap Illinois to Seoul flights in April & May 2024

Listed are some of the best fares we've found on flights departing from Illinois to Seoul in 2024. More deals are always being added, so be sure to check back regularly.

Sat 4/2712:05 pmORD - ICN

1 stop36h 05mMultiple Airlines

Thu 5/167:45 amICN - ORD

2 stops42h 27mMultiple Airlines

Deal found 4/26$1,098

Fri 5/34:05 pmORD - ICN

1 stop39h 10mCathay Pacific

Sat 5/1110:10 amICN - ORD

1 stop42h 15mCathay Pacific

Deal found 4/25$1,105

Mon 4/2912:05 pmORD - ICN

1 stop26h 35mMultiple Airlines

Wed 5/293:10 pmICN - ORD

2 stops52h 50mMultiple Airlines

Deal found 4/25$1,133

Sun 4/2812:30 amORD - ICN

1 stop20h 30mMultiple Airlines

Wed 5/295:30 pmICN - ORD

2 stops25h 30mMultiple Airlines

Deal found 4/25$1,155

Sun 5/512:29 pmMDW - ICN

2 stops43h 31mMultiple Airlines

Sun 6/25:30 pmICN - MDW

1 stop35h 57mMultiple Airlines

Deal found 4/25$1,156

Mon 4/2912:05 pmORD - ICN

1 stop21h 05mMultiple Airlines

Sun 5/265:30 pmICN - ORD

2 stops39h 33mMultiple Airlines

Deal found 4/25$1,168

Sun 4/2812:30 amORD - ICN

1 stop20h 30mMultiple Airlines

Wed 5/292:00 pmICN - ORD

2 stops54h 00mMultiple Airlines

Deal found 4/25$1,173

Sat 4/278:30 pmORD - ICN

1 stop22h 15mMultiple Airlines

Tue 5/147:50 amICN - ORD

3 stops29h 39mMultiple Airlines

Deal found 4/26$1,210

Sat 4/278:30 pmORD - ICN

1 stop22h 15mTurkish Airlines

Thu 5/1611:20 pmICN - ORD

1 stop24h 20mTurkish Airlines

Deal found 4/26$1,214

Illinois to Seoul 2024 flight deals

Listed are some of the best fares we've found on flights departing from Illinois to Seoul in 2024. More deals are always being added, so be sure to check back regularly.

Thu 11/142:40 pmORD - ICN

1 stop39h 35mCathay Pacific

Mon 11/1810:10 amICN - ORD

1 stop41h 50mCathay Pacific

Deal found 4/25$983

Fri 8/304:05 pmORD - ICN

1 stop30h 30mCathay Pacific

Mon 9/93:10 pmICN - ORD

1 stop37h 15mCathay Pacific

Deal found 4/26$1,000

Wed 10/911:25 amORD - ICN

1 stop31h 20mTurkish Airlines

Mon 10/2810:35 amICN - ORD

1 stop46h 35mTurkish Airlines

Deal found 4/25$1,022

Tue 11/59:30 pmORD - ICN

1 stop29h 50mTurkish Airlines

Mon 11/1112:15 amICN - ORD

1 stop25h 40mTurkish Airlines

Deal found 4/25$1,030

Mon 9/28:30 pmORD - ICN

1 stop22h 15mTurkish Airlines

Wed 10/211:20 pmICN - ORD

1 stop24h 20mTurkish Airlines

Deal found 4/25$1,040

Sun 9/112:30 amORD - ICN

1 stop20h 30mEVA Air

Wed 10/212:00 pmICN - ORD

1 stop22h 45mEVA Air

Deal found 4/25$1,049

Sun 11/102:40 pmORD - ICN

1 stop36h 55mCathay Pacific

Sat 11/167:35 pmICN - ORD

1 stop32h 25mCathay Pacific

Deal found 4/25$1,050

Wed 9/1812:30 amORD - ICN

1 stop28h 15mEVA Air

Mon 10/1412:00 pmICN - ORD

1 stop22h 45mEVA Air

Deal found 4/25$1,052

Wed 9/1811:25 amORD - ICN

1 stop31h 20mTurkish Airlines

Thu 10/1011:20 pmICN - ORD

1 stop32h 25mTurkish Airlines

Deal found 4/25$1,057

Non-stop flights to Seoul from Illinois

To help reduce your travel time, choose from one of these non-stop flights from Illinois to Seoul. If you're looking for other options for flights from Illinois to Seoul, make sure to update the search form at the top of page.

Wed 9/1112:20 pmORD - ICN

Nonstop14h 30mKorean Air

Thu 10/3110:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,633

Tue 9/2412:20 pmORD - ICN

Nonstop14h 30mKorean Air

Mon 10/710:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/26$1,642

Wed 9/2512:20 pmORD - ICN

Nonstop14h 30mKorean Air

Wed 10/210:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,651

Tue 9/1712:20 pmORD - ICN

Nonstop14h 30mKorean Air

Sat 9/2810:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,679

Mon 9/912:20 pmORD - ICN

Nonstop14h 30mKorean Air

Sat 9/2810:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,688

Mon 9/212:20 pmORD - ICN

Nonstop14h 30mKorean Air

Wed 10/210:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,702

Wed 8/2112:30 pmORD - ICN

Nonstop14h 20mKorean Air

Wed 10/2310:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/26$1,723

Fri 10/1812:20 pmORD - ICN

Nonstop14h 30mKorean Air

Fri 11/110:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,725

Sat 9/1412:20 pmORD - ICN

Nonstop14h 30mKorean Air

Sat 9/2110:40 amICN - ORD

Nonstop12h 50mKorean Air

Deal found 4/25$1,734

Illinois to Seoul flights leaving soon

Have a look at some of the last-minute flights available departing from Illinois to Seoul. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

Fri 5/34:05 pmORD - ICN

1 stop39h 10mCathay Pacific

Sat 5/1110:10 amICN - ORD

1 stop42h 15mCathay Pacific

Deal found 4/25$1,105

Sun 5/512:29 pmMDW - ICN

2 stops43h 31mMultiple Airlines

Sun 6/25:30 pmICN - MDW

1 stop35h 57mMultiple Airlines

Deal found 4/25$1,156

Fri 5/312:25 pmORD - ICN

1 stop26h 15mMultiple Airlines

Wed 5/87:35 amICN - ORD

2 stops36h 25mMultiple Airlines

Deal found 4/26$1,215

Thu 5/211:50 amORD - ICN

1 stop19h 20mMultiple Airlines

Thu 5/167:45 amICN - ORD

2 stops42h 27mMultiple Airlines

Deal found 4/25$1,281

Thu 5/27:01 amSTL - GMP

2 stops24h 59mJapan Airlines

Thu 5/1612:05 pmGMP - STL

2 stops25h 12mJapan Airlines

Deal found 4/25$1,289

Fri 5/36:24 amMLI - ICN

1 stop18h 51mAmerican Airlines

Tue 5/75:25 pmICN - MLI

1 stop17h 46mAmerican Airlines

Deal found 4/24$1,307

Fri 5/34:29 pmMLI - ICN

2 stops32h 46mAmerican Airlines

Tue 5/75:25 pmICN - MLI

1 stop17h 46mAmerican Airlines

Deal found 4/24$1,310

Thu 5/24:05 pmORD - ICN

1 stop37h 10mCathay Pacific

Thu 5/163:10 pmICN - ORD

1 stop37h 15mCathay Pacific

Deal found 4/25$1,311

Fri 5/34:29 pmMLI - ICN

2 stops32h 46mAmerican Airlines

Tue 5/75:25 pmICN - MLI

2 stops36h 17mAmerican Airlines

Deal found 4/24$1,323

One-way flights to Seoul from Illinois

Take a look at some of the one-way flights we've detected from Illinois to Seoul. Users can also find round-trip Illinois to Seoul flights by using the search form above.

Wed 5/81:13 pmORD - ICN

3 stops42h 47mMultiple Airlines

Deal found 4/24$456

Tue 5/76:27 pmORD - ICN

3 stops53h 38mMultiple Airlines

Deal found 4/25$512

Tue 5/79:34 pmORD - ICN

3 stops50h 31mMultiple Airlines

Deal found 4/24$567

Wed 5/16:27 pmORD - ICN

3 stops53h 38mMultiple Airlines

Deal found 4/25$572

Sat 8/174:09 pmMDW - ICN

2 stops36h 51mMultiple Airlines

Deal found 4/24$588

Sat 5/185:55 pmORD - ICN

2 stops54h 40mMultiple Airlines

Deal found 4/25$600

Mon 5/612:00 pmORD - ICN

2 stops51h 30mMultiple Airlines

Deal found 4/25$602

Mon 4/297:52 pmORD - ICN

3 stops51h 08mMultiple Airlines

Deal found 4/25$604

Sat 5/185:55 pmORD - ICN

3 stops52h 25mMultiple Airlines

Deal found 4/25$611

Find flights from Illinois to Seoul within your budget

Fly from

Fly to

Budget

$945 - $1,382

Route

Depart

Return

Price

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/24

1 stop32h 05m

Incheon Intl

Thu 10/17

1 stop32h 10m

$945

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 10/9

1 stop31h 20m

Incheon Intl

Mon 10/28

1 stop46h 35m

$1,022

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 9/1

1 stop20h 30m

Incheon Intl

Wed 10/2

1 stop22h 45m

$1,049

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/17

1 stop32h 40m

Incheon Intl

Sat 9/28

1 stop33h 10m

$1,141

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 9/22

1 stop20h 30m

Incheon Intl

Thu 10/3

2 stops24h 13m

$1,235

Lambert-St LouisSeoul Gimpo Intl

STL - GMP

STLGMP

Lambert-St Louis

Thu 5/9

2 stops24h 59m

Seoul Gimpo Intl

Thu 5/16

2 stops25h 12m

$1,289

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 9/1

2 stops49h 00m

Incheon Intl

Sat 9/21

2 stops45h 29m

$1,295

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 5/8

1 stop19h 54m

Incheon Intl

Tue 5/21

1 stop16h 03m

$1,327

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 9/14

1 stop21h 50m

Incheon Intl

Sun 11/3

1 stop26h 10m

$1,382

Flights are sorted by cheapest first

Deals found on 4/26

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

Reviews of airlines servicing Seoul

Read through reviews of airlines operating flights from Illinois to Seoul, such as Cathay Pacific, Turkish Airlines and EVA Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Korean Air

8.5

Very good

1,188 reviews

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

ANA

8.5

Very good

948 reviews

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

EVA Air

8.4

Very good

1,553 reviews

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Japan Airlines

8.3

Very good

1,486 reviews

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Delta

8.1

Very good

10,966 reviews

Korean Air

8.5

Very good

1,188 reviews

Check prices

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Related info for your journey

Can I find flights from Illinois to Seoul for under $1,000 on Cheapflights?
Yes, there are multiple flights from Illinois to Seoul for under $1,000. The cheapest flight booked recently is on Cathay Pacific for just $945, but on average you can expect to pay $1,057.
Are there nonstop flights from Illinois to Seoul for under $1,700 on Cheapflights?
Cheapflights has at least 20 direct flights from Illinois to Seoul under $1,700. A good price for a nonstop flight from Illinois to Seoul is less than $1,750.
Are there last-minute flights available from Illinois to Seoul for under $1,200?
There are currently 20+ open flights from Illinois to Seoul within the next 7 days for less than $1,200.
What are the most popular routes from Illinois to Seoul?
The most popular flight routes from Illinois to Seoul are Chicago O'Hare Intl - Incheon Intl, Chicago O'Hare Intl - Seoul Gimpo Intl and Chicago Midway - Incheon Intl.
What are the most popular airlines that fly from Illinois to Seoul?
When booking a flight from Illinois to Seoul, you may want to consider flying on American Airlines, Air Canada or Finnair as they are the most popular for this route.
What are the cheapest flights from Illinois to Seoul?
While on average a flight from Illinois to Seoul is generally $2,459, our data shows the cheapest flight currently is $622. When looking at the most popular route, (Chicago O'Hare Intl - Incheon Intl), you can expect to pay $1,000 for that flight.
What does ORD to ICN mean?
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Incheon Intl Airport flight would often be abbreviated as a ORD to ICN flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: 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 Illinois to Seoul that include extra baggage allowance?
The amount of baggage you can bring on your Illinois to Seoul 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 Illinois to Seoul with specific airlines?
Yes, Cheapflights allows you to browse and filter Illinois to Seoul 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 Illinois to Seoul that include hotel bookings?
Yes. In addition to deals on Illinois to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Seoul?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Seoul.
Can I find deals for business class flights from Illinois to Seoul?
Yes. Cheapflights offers flight deals from Illinois to Seoul 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 Illinois to Seoul that allow pets onboard?
Many airlines flying from Illinois to Seoul 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 Illinois to Seoul?
Yes, you can often find last-minute deals on Illinois to Seoul 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 Illinois to Seoul flight deals updated?
The Illinois to Seoul flight deals you see on this page were last updated on 4/26.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

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Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 26, 2024.

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Top 10 airlines flying from Illinois to Seoul

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	Cheapest$929	Average$1,123	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Turkish Airlines	Cheapest$930	Average$1,105	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
EVA Air	Cheapest$1,075	Average$1,215	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Air Canada	Cheapest$1,119	Average$1,446	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest$1,180	Average$1,784	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
LOT	Cheapest$1,196	Average$1,489	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Lufthansa	Cheapest$1,233	Average$1,655	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	Cheapest$1,277	Average$1,481	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest$1,330	Average$1,754	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	Cheapest$1,434	Average$2,003	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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Hourly flight availability from Illinois to Seoul

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How does Cheapflights help users find flights from Illinois to Seoul?

Cheapflights makes it easy to find Illinois to Seoul 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.

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Yes! Cheapflights helps users easily find flights from Illinois to Seoul with no change fees.

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Cheap flights from Illinois to Seoul (SEL) from $456

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 5/8. 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.

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Cheap Cathay Pacific flights from Illinois to Seoul

Find some of the cheapest Cathay Pacific flights traveling from Illinois to Seoul. Make sure to double check the flight details before booking.

Cheap Turkish Airlines flights from Illinois to Seoul

Browse through some of the cheapest Turkish Airlines flights traveling from Illinois to Seoul. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Illinois to Seoul flights in April & May 2024

Find cheap flight options from Illinois to Seoul specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.

Listed are some of the best fares we've found on flights departing from Illinois to Seoul in 2024. More deals are always being added, so be sure to check back regularly.

Illinois to Seoul 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Seoul in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.

Listed are some of the best fares we've found on flights departing from Illinois to Seoul in 2024. More deals are always being added, so be sure to check back regularly.

Non-stop flights to Seoul from Illinois

To help reduce your travel time, choose from one of these non-stop flights from Illinois to Seoul. If you're looking for other options for flights from Illinois to Seoul, make sure to update the search form at the top of page.

Illinois to Seoul flights leaving soon

Have a look at some of the last-minute flights available departing from Illinois to Seoul. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Seoul from Illinois

Take a look at some of the one-way flights we've detected from Illinois to Seoul. Users can also find round-trip Illinois to Seoul flights by using the search form above.

Find flights from Illinois to Seoul within your budget

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated April 26, 2024.

Read through reviews of airlines operating flights from Illinois to Seoul, such as Cathay Pacific, Turkish Airlines and EVA Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Seoul

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Check out other popular destinations found by fellow travelers in 2024

Search flights from Illinois to Seoul by cabin class

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

Hourly flight availability from Illinois to Seoul

Find hourly flight availability from Illinois to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 26, 2024.

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User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

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How does Cheapflights help users find flights from Illinois to Seoul?

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Can Cheapflights find flights from Illinois to Seoul with no change fees?

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

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