What is the cheapest airline that flies from United States to Seoul?

AIR PREMIA, WestJet, and ANA are the most popular carriers operating from United States to Seoul

How long does it take to fly to Seoul?

If you’re flying from a popular airport in United States, such as San Francisco or Los Angeles, and flying into Seoul, then you can expect flight times to average 12h 10m and 13h, respectively.

What airlines fly to Seoul?

AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul from United States according to our data. AIR PREMIA is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 22 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for the United States to Seoul flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

How many flights depart from United States to Seoul on average per day?

56 flights are operational daily from United States to Seoul as of August 2026. The most popular departure time for this route is 11:00PM, with 33% of flights per day taking off in the evening.

How often are flights from the United States to Seoul delayed?

Historically, on average around 50% of flights between United States and Seoul have experienced a delay on any given week. The average delay length over the past 12 months has been 47 minutes.

How many flights depart from United States to Seoul on average per week?

392 flights are operational weekly from United States to Seoul as of August 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from United States to Seoul?

Prices for flights from United States to Seoul are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Seoul?

As of August 2026, there are 19 operators available to choose from for flights from United States to Seoul.

How old do you have to be to fly from United States to Seoul?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$326 Cheap Flights from the United States to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Seoul

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to Seoul

Enter your travel dates to find the best prices.

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:15 pm - 2:15 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$681AIR PREMIA

Wed, Sep 23 - Fri, Oct 2

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

6:00 pm - 1:00 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$681AIR PREMIA

Wed, Sep 2 - Sat, Sep 12

10:40 am - 3:00 pmSFO San Francisco-ICN Incheon Intl

12h 20mnonstop

11:30 am - 6:30 amICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$682United Airlines

Thu, Aug 27 - Sat, Sep 5

11:45 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 35mnonstop

4:50 pm - 11:40 amICN Incheon Intl-SFO San Francisco

10h 50mnonstop

$682United Airlines

Sat, Sep 12 - Wed, Sep 30

1:00 pm - 10:00 pmSFO San Francisco-ICN Incheon Intl

17h 00m1 stop Beijing Capital

10:50 am - 10:30 amICN Incheon Intl-SFO San Francisco

15h 40m1 stop Beijing Capital

$682Air China

Wed, Aug 26 - Wed, Sep 9

6:00 am - 6:45 pmSFO San Francisco-ICN Incheon Intl

20h 45m1 stop Calgary

8:50 pm - 2:00 pmICN Incheon Intl-SFO San Francisco

10h 10mnonstop

$682Multiple Airlines

Mon, Sep 21 - Wed, Nov 11

11:55 pm - 12:30 pmLAX Los Angeles Los Angeles-ICN Incheon Intl

20h 35m1 stop Xiamen Gaoqi Intl

1:20 pm - 8:00 pmICN Incheon Intl-LAX Los Angeles Los Angeles

22h 40m1 stop Xiamen Gaoqi Intl

$688XiamenAir

Sun, Oct 18 - Sun, Oct 25

11:55 pm - 12:30 pmLAX Los Angeles Los Angeles-ICN Incheon Intl

20h 35m1 stop Xiamen Gaoqi Intl

1:20 pm - 8:00 pmICN Incheon Intl-LAX Los Angeles Los Angeles

22h 40m1 stop Xiamen Gaoqi Intl

$690XiamenAir

Sun, Oct 18 - Sun, Oct 25

1:00 pm - 1:05 pmSFO San Francisco-GMP Seoul Gimpo Intl

32h 05m1 stop Beijing Capital

2:25 pm - 9:30 amGMP Seoul Gimpo Intl-SFO San Francisco

36h 05m1 stop Beijing Capital

$703Air China

Sat, Oct 24 - Tue, Nov 3

6:30 am - 6:45 pmEWR Newark-ICN Incheon Intl

23h 15m2 stops Toronto Pearson Intl Calgary

5:45 pm - 4:33 pmICN Incheon Intl-EWR Newark

35h 48m1 stop Vancouver Intl

$876Multiple Airlines

Sun, Sep 20 - Mon, Oct 5

Recent last minute flight deals from the United States to Seoul

Enter your travel dates to find the best prices.

3:30 pm - 8:10 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

6:00 pm - 1:00 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$683AIR PREMIA

Sat, Aug 15 - Sat, Aug 22

11:55 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 25mnonstop

11:30 am - 6:10 amICN Incheon Intl-SFO San Francisco

10h 40mnonstop

$683United Airlines

Fri, Aug 14 - Tue, Sep 8

11:55 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 25mnonstop

4:50 pm - 12:00 pmICN Incheon Intl-SFO San Francisco

11h 10mnonstop

$683United Airlines

Fri, Aug 14 - Sat, Sep 5

10:50 am - 3:50 pmLAX Los Angeles Los Angeles-ICN Incheon Intl

13h 00mnonstop

1:00 pm - 8:20 amICN Incheon Intl-LAX Los Angeles Los Angeles

11h 20mnonstop

$694AIR PREMIA

Thu, Aug 13 - Wed, Aug 26

11:55 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 25mnonstop

11:30 am - 6:10 amICN Incheon Intl-SFO San Francisco

10h 40mnonstop

$733Asiana Airlines

Thu, Aug 13 - Tue, Oct 6

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:35 pm - 6:00 pmICN Incheon Intl-SFO San Francisco

14h 25m1 stop Seattle/Tacoma Intl

$756Multiple Airlines

Fri, Aug 14 - Sun, Sep 6

3:30 pm - 8:10 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:35 pm - 6:00 pmICN Incheon Intl-SFO San Francisco

14h 25m1 stop Seattle/Tacoma Intl

$756Multiple Airlines

Sat, Aug 15 - Sun, Sep 6

11:20 pm - 4:05 amSFO San Francisco-ICN Incheon Intl

12h 45mnonstop

9:00 pm - 4:00 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$785Asiana Airlines

Wed, Aug 12 - Fri, Aug 21

1:10 pm - 5:20 pmSFO San Francisco-ICN Incheon Intl

12h 10mnonstop

7:00 pm - 9:36 amICN Incheon Intl-SFO San Francisco

30h 36m1 stop Seattle/Tacoma Intl

$893Korean Air

Wed, Aug 12 - Tue, Aug 18

1:10 pm - 5:20 pmSFO San Francisco-ICN Incheon Intl

12h 10mnonstop

7:40 pm - 8:01 amICN Incheon Intl-SFO San Francisco

28h 21m1 stop Los Angeles Los Angeles

$896Korean Air

Thu, Aug 13 - Thu, Aug 27

Recent direct flight deals from the United States to Seoul

Enter your travel dates to find the best prices.

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:45 pm - 2:20 pmICN Incheon Intl-SFO San Francisco

10h 35mnonstop

$681AIR PREMIA

Mon, Oct 19 - Fri, Oct 30

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:45 pm - 1:20 pmICN Incheon Intl-SFO San Francisco

10h 35mnonstop

$681AIR PREMIA

Mon, Oct 19 - Sun, Nov 1

10:40 am - 3:00 pmSFO San Francisco-ICN Incheon Intl

12h 20mnonstop

4:50 pm - 11:40 amICN Incheon Intl-SFO San Francisco

10h 50mnonstop

$682United Airlines

Fri, Sep 4 - Thu, Sep 10

11:45 pm - 5:40 amSFO San Francisco-ICN Incheon Intl

12h 55mnonstop

12:45 pm - 6:30 amICN Incheon Intl-SFO San Francisco

10h 45mnonstop

$682United Airlines

Sat, Dec 5 - Tue, Dec 22

11:20 pm - 4:05 amSFO San Francisco-ICN Incheon Intl

12h 45mnonstop

7:15 pm - 2:15 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$683Multiple Airlines

Sat, Aug 29 - Sun, Sep 6

11:20 pm - 4:25 amSFO San Francisco-ICN Incheon Intl

13h 05mnonstop

7:15 pm - 2:15 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$683Multiple Airlines

Sat, Sep 26 - Fri, Oct 2

11:45 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 35mnonstop

4:50 pm - 11:40 amICN Incheon Intl-SFO San Francisco

10h 50mnonstop

$712Asiana Airlines

Sat, Sep 12 - Wed, Sep 30

11:45 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 35mnonstop

11:30 am - 6:10 amICN Incheon Intl-SFO San Francisco

10h 40mnonstop

$713Asiana Airlines

Sat, Sep 12 - Tue, Sep 29

12:50 pm - 5:20 pmSFO San Francisco-ICN Incheon Intl

12h 30mnonstop

4:00 pm - 10:40 amICN Incheon Intl-SFO San Francisco

10h 40mnonstop

$880Korean Air

Fri, Sep 4 - Sat, Sep 19

12:50 pm - 5:20 pmSFO San Francisco-ICN Incheon Intl

12h 30mnonstop

4:00 pm - 10:40 amICN Incheon Intl-SFO San Francisco

10h 40mnonstop

$881Korean Air

Sun, Sep 6 - Sun, Sep 20

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AIR PREMIA flights from United States to Seoul

Our best AIR PREMIA deals on United States to Seoul flight tickets

AIR PREMIA

Sep 23

SFO5:00 pmSan Francisco

12h 40m

ICN9:40 pmIncheon Intl

Sep 30

ICN7:15 pmIncheon Intl

11h 00m

SFO2:15 pmSan Francisco

$681

AIR PREMIA

Sep 2

SFO5:00 pmSan Francisco

12h 40m

ICN9:40 pmIncheon Intl

Sep 11

ICN7:15 pmIncheon Intl

11h 00m

SFO2:15 pmSan Francisco

$682

AIR PREMIA

Sep 28

LAX10:50 amLos Angeles Los Angeles

13h 00m

ICN3:50 pmIncheon Intl

Oct 20

ICN1:00 pmIncheon Intl

11h 20m

LAX8:20 amLos Angeles Los Angeles

$686

United Airlines flights from United States to Seoul

Our best United Airlines deals on United States to Seoul flight tickets

United Airlines

Aug 23

SFO11:55 pmSan Francisco

12h 25m

ICN4:20 amIncheon Intl

Aug 31

ICN4:50 pmIncheon Intl

11h 10m

SFO12:00 pmSan Francisco

$682

United Airlines

Aug 30

SFO10:40 amSan Francisco

12h 20m

ICN3:00 pmIncheon Intl

Sep 6

ICN11:30 amIncheon Intl

11h 00m

SFO6:30 amSan Francisco

$683

United Airlines

Aug 24

SFO10:40 amSan Francisco

12h 20m

ICN3:00 pmIncheon Intl

Sep 11

ICN4:50 pmIncheon Intl

10h 50m

SFO11:40 amSan Francisco

$684

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 9/23

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Fri 10/2

7:15 pm-2:15 pm

Nonstop11h 00m

$681

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 9/2

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sat 9/12

6:00 pm-1:00 pm

Nonstop11h 00m

$681

Quickest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Thu 8/27

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Sat 9/5

11:30 am-6:30 am

Nonstop11h 00m

$682

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Sat 9/12

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Wed 9/30

4:50 pm-11:40 am

Nonstop10h 50m

$682

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 8/26

1:00 pm-10:00 pm

1 stop17h 00m

Incheon Intl

Wed 9/9

10:50 am-10:30 am

1 stop15h 40m

$682

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Mon 9/21

6:00 am-6:45 pm

1 stop20h 45m

Incheon Intl

Wed 11/11

8:50 pm-2:00 pm

Nonstop10h 10m

$682

Los AngelesIncheon

LAX Los Angeles Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles Los Angeles

Sun 10/18

11:55 pm-12:30 pm

1 stop20h 35m

Incheon Intl

Sun 10/25

1:20 pm-8:00 pm

1 stop22h 40m

$688

Los AngelesIncheon

LAX Los Angeles Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles Los Angeles

Sun 10/18

11:55 pm-12:30 pm

1 stop20h 35m

Incheon Intl

Sun 10/25

1:20 pm-8:00 pm

1 stop22h 40m

$690

San FranciscoSeoul

SFO San Francisco - GMP Seoul Gimpo Intl

SFOGMP

San Francisco

Sat 10/24

1:00 pm-1:05 pm

1 stop32h 05m

Seoul Gimpo Intl

Tue 11/3

2:25 pm-9:30 am

1 stop36h 05m

$703

NewarkIncheon

EWR Newark - ICN Incheon Intl

EWRICN

Newark

Sun 9/20

6:30 am-6:45 pm

2 stops23h 15m

Incheon Intl

Mon 10/5

5:45 pm-4:33 pm

1 stop35h 48m

$876

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from United States averaging around $967.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Sunday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Sunday departure recently was $1,039. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,162.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,057 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,094 per ticket.

What is the cheapest United States to Seoul flight route?

Fly from San Francisco to Incheon Intl for the best United States - Seoul flight prices

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

You are more likely to see cheaper flights to Seoul from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,475 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from United States for as low as $1,285 on momondo.

What cabin class options are available on United States to Seoul flights?

There are 4 cabin classes available to choose from on United States to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Seoul flights?

No. A direct flight is the cheapest option for a flight between United States to Seoul.

Cheap United States to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Seoul

Best Price Found	$355
Fastest flight time	9h 35m
Direct flights	Every day
Airports in Seoul	2 airports

The best one-way flight to Seoul from United States in the past 72 hours is $355. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $714.

The fastest flight from United States to Seoul takes 9h 35m

Direct flights go from United States to Seoul every day.

There are 2 airports in Seoul. From United States there are direct flights to Incheon Intl (ICN).

Search flight deals

Frequently asked questions about flying from the United States to Seoul

When did momondo last update prices for flights from United States to Seoul?
Prices for flights from United States to Seoul are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Seoul?
As of August 2026, there are 19 operators available to choose from for flights from United States to Seoul.
How old do you have to be to fly from United States to Seoul?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Seoul?
Based on momondo bookings for flights between United States and Seoul, the leading plane model is Boeing 787-9 Dreamliner, making up 28.14% of the total bookings. Other popular models include Boeing 777-300ER with 16.78%, Airbus A350-900 with 15.63%, and Airbus A380-800 with 12.27%.

Best airlines flying from United States to Seoul

Compare and see reviews for airlines that fly from United States to Seoul with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $144	Free Cancellation	Rating 7.3 1,014 reviews	Search Philippine Airlines flights
WestJet	PriceFrom $152	Free Cancellation	Rating 7.2 3,430 reviews	Search WestJet flights
XiamenAir	PriceFrom $346	Free Cancellation	Rating 6.7 47 reviews	Search XiamenAir flights
AIR PREMIA	PriceFrom $383	Free Cancellation	Rating 8.1 102 reviews	Search AIR PREMIA flights
Turkish Airlines	PriceFrom $449	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $460	Free Cancellation	Rating 7.1 11,462 reviews	Search Air Canada flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.3 173 reviews	Search China Southern flights
Delta	PriceFrom $582	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.4 160 reviews	Search Air China flights
Japan Airlines	PriceFrom $630	Free Cancellation	Rating 8.3 1,897 reviews	Search Japan Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Seoul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from United States.

Can I find flights from United States to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from United States with this policy.

How can momondo help me find flights from United States to Seoul?

momondo helps you find the best flight between United States and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from United States to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from United States and alert you when they change.

An easier way to manage your Seoul trip

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Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

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Cheap flights from the United States to Seoul from $326

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Seoul departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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AIR PREMIA flights from United States to Seoul

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How to get the cheapest flight ticket from United States to Seoul

What is the cheapest month to fly to Seoul?

What is the cheapest day to depart on your flight to Seoul?

What is the cheapest time of day to depart on your flight to Seoul?

What is the cheapest United States to Seoul flight route?

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

What cabin class options are available on United States to Seoul flights?

Can stopping save me money on United States to Seoul flights?

What is the cheapest airline that flies from United States to Seoul?

What airlines fly to Seoul?

How often are flights from the United States to Seoul delayed?

What is the most punctual flight time for the United States to Seoul flights?

What day of the week experiences the fewest flight delays on this route?

How many flights depart from United States to Seoul on average per day?

How many flights depart from United States to Seoul on average per week?

How long does it take to fly to Seoul?

Cheap United States to Seoul flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Seoul

Frequently asked questions about flying from the United States to Seoul

Best airlines flying from United States to Seoul

Compare and see reviews for airlines that fly from United States to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from the United States

According to popular flight searches on momondo this year

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