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

Delta, AIR PREMIA, and Alaska Airlines are the most popular carriers operating from United States to Seoul

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

54 flights are operational daily from United States to Seoul as of May 2026. The most popular departure time for this route is 11:00PM, with 35% of flights per day taking off in the evening.

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 20m and 12h 40m, respectively.

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

Historically, on average around 0% 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 0 minutes.

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

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

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

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

378 flights are operational weekly from United States to Seoul as of May 2026. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.

What airlines fly to Seoul?

AIR PREMIA, Korean Air and Asiana Airlines 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 49% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 24 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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 May 2026, there are 22 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.

$424 Cheap Flights from the United States to Seoul in 2026

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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.

3:30 pm - 8:10 pm

SFO

ICN

12h 40mnonstop

6:00 pm - 1:00 pm

ICN

SFO

11h 00mnonstop

$699AIR PREMIA

Mon, Jul 27 - Wed, Aug 26

3:30 pm - 8:10 pm

SFO

ICN

12h 40mnonstop

6:00 pm - 1:00 pm

ICN

SFO

11h 00mnonstop

$702AIR PREMIA

Sat, Oct 3 - Wed, Oct 7

3:30 pm - 8:10 pm

SFO

ICN

12h 40mnonstop

6:00 pm - 1:00 pm

ICN

SFO

11h 00mnonstop

$703AIR PREMIA

Sat, Sep 5 - Sun, Sep 13

12:10 am - 4:00 am

SEA

ICN

11h 50mnonstop

9:20 pm - 3:45 pm

ICN

SEA

10h 25mnonstop

$824Asiana Airlines

Tue, Jul 28 - Fri, Aug 28

12:10 am - 4:00 am

SEA

ICN

11h 50mnonstop

9:20 pm - 3:45 pm

ICN

SEA

10h 25mnonstop

$837Asiana Airlines

Thu, Jul 9 - Fri, Jul 17

2:05 pm - 5:30 pm

SEA

ICN

11h 25mnonstop

7:35 pm - 1:40 pm

ICN

SEA

10h 05mnonstop

$892Alaska Airlines

Sun, Jul 26 - Thu, Oct 15

10:00 am - 10:25 pm

JFK

ICN

23h 25m

1 stop

3:10 pm - 6:00 am

ICN

JFK

27h 50m

1 stop

$1,048Cathay Pacific

Wed, Oct 7 - Mon, Oct 12

10:00 am - 12:40 pm

JFK

ICN

37h 40m

1 stop

1:55 am - 1:10 pm

ICN

JFK

24h 15m

1 stop

$1,053Cathay Pacific

Wed, Sep 9 - Wed, Sep 16

7:30 am - 3:45 pm

LGA

ICN

19h 15m

1 stop

5:50 pm - 11:55 pm

ICN

LGA

19h 05m

1 stop

$1,262American Airlines

Tue, Jul 14 - Tue, Sep 8

6:30 am - 3:45 pm

LGA

ICN

20h 15m

1 stop

5:50 pm - 11:55 pm

ICN

LGA

19h 05m

1 stop

$1,263American Airlines

Tue, Jul 21 - Mon, Sep 14

AIR PREMIA flights from United States to Seoul

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

AIR PREMIA

Jul 27

SFO3:30 pmSan Francisco

12h 40m

ICN8:10 pmIncheon Intl

Aug 26

ICN6:00 pmIncheon Intl

11h 00m

SFO1:00 pmSan Francisco

$699

AIR PREMIA

May 11

SFO3:30 pmSan Francisco

12h 40m

ICN8:10 pmIncheon Intl

May 17

ICN6:00 pmIncheon Intl

11h 00m

SFO1:00 pmSan Francisco

$702

AIR PREMIA

May 11

SFO3:30 pmSan Francisco

12h 40m

ICN8:10 pmIncheon Intl

May 17

ICN6:00 pmIncheon Intl

11h 00m

SFO1:00 pmSan Francisco

$703

XiamenAir flights from United States to Seoul

Our best XiamenAir deals on United States to Seoul flight tickets

XiamenAir

Oct 18

LAX11:55 pmLos Angeles

20h 35m

1 stop

ICN12:30 pmIncheon Intl

Nov 5

ICN1:20 pmIncheon Intl

22h 40m

1 stop

LAX7:00 pmLos Angeles

$850

XiamenAir

Oct 18

LAX11:55 pmLos Angeles

20h 35m

1 stop

ICN12:30 pmIncheon Intl

Nov 5

ICN1:20 pmIncheon Intl

22h 40m

1 stop

LAX7:00 pmLos Angeles

$851

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 7/27

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Wed 8/26

6:00 pm-1:00 pm

Nonstop11h 00m

$699

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 10/3

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Wed 10/7

6:00 pm-1:00 pm

Nonstop11h 00m

$702

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 9/5

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 9/13

6:00 pm-1:00 pm

Nonstop11h 00m

$703

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 7/28

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Fri 8/28

9:20 pm-3:45 pm

Nonstop10h 25m

$824

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 7/9

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Fri 7/17

9:20 pm-3:45 pm

Nonstop10h 25m

$837

Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 7/26

2:05 pm-5:30 pm

Nonstop11h 25m

Incheon Intl

Thu 10/15

7:35 pm-1:40 pm

Nonstop10h 05m

$892

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Wed 10/7

10:00 am-10:25 pm

1 stop23h 25m

Incheon Intl

Mon 10/12

3:10 pm-6:00 am

1 stop27h 50m

$1,048

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Wed 9/9

10:00 am-12:40 pm

1 stop37h 40m

Incheon Intl

Wed 9/16

1:55 am-1:10 pm

1 stop24h 15m

$1,053

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Tue 7/14

7:30 am-3:45 pm

1 stop19h 15m

Incheon Intl

Tue 9/8

5:50 pm-11:55 pm

1 stop19h 05m

$1,262

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Tue 7/21

6:30 am-3:45 pm

1 stop20h 15m

Incheon Intl

Mon 9/14

5:50 pm-11:55 pm

1 stop19h 05m

$1,263

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 $944.

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 $1,037. 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 Saturday, with ticket prices averaging around $1,179.

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 $1,044 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 $1,108 per ticket.

What is the cheapest United States to Seoul flight route?

Fly from Los Angeles 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 $1,534 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 $1,259 on momondo.

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	$419
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 $419. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $781.

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 May 2026, there are 22 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 26.58% of the total bookings. Other popular models include Airbus A380-800 with 15.48%, Boeing 777-300ER with 15.11%, and Airbus A350-900 with 12.72%.

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 7.3 994 reviews	Search Philippine Airlines flights
WestJet	PriceFrom $152	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,458 reviews	Search Delta flights
XiamenAir	PriceFrom $346	Free Cancellation	Rating 6.6 44 reviews	Search XiamenAir flights
Air Canada	PriceFrom $365	Free Cancellation	Rating 7.1 11,002 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $449	Free Cancellation	Rating 7.4 4,355 reviews	Search Turkish Airlines flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.4 151 reviews	Search China Southern flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.3 149 reviews	Search Air China flights
Japan Airlines	PriceFrom $630	Free Cancellation	Rating 8.3 1,808 reviews	Search Japan Airlines flights
Cathay Pacific	PriceFrom $640	Free Cancellation	Rating 7.6 1,318 reviews	Search Cathay Pacific 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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Cheap flights from the United States to Seoul from $388

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 9/14. 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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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?

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

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

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

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

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