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.

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 12h 40m, respectively.

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

55 flights are operational daily from United States to Seoul as of April 2026. The most popular departure time for this route is 11:00PM, with 30% of flights per day taking off in the evening.

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

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

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?

385 flights are operational weekly from United States to Seoul as of April 2026. The most popular departure day for this route is Fri, 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 April 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.

$335 Cheap Flights from the United States to Seoul in 2026

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Find the cheapest flights from the United States to Seoul

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One-way

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

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4:55 pm - 6:00 am

LAX

ICN

21h 05m

1 stop

7:20 am - 1:45 pm

ICN

LAX

22h 25m

1 stop

$441Philippine Airlines

Fri, Sep 18 - Wed, Sep 30

4:55 pm - 6:00 am

LAX

ICN

21h 05m

1 stop

7:20 am - 1:45 pm

ICN

LAX

22h 25m

1 stop

$443Philippine Airlines

Mon, Sep 21 - Mon, Oct 26

12:25 pm - 6:00 am

LAX

ICN

25h 35m

1 stop

8:30 pm - 1:45 pm

ICN

LAX

33h 15m

1 stop

$447Philippine Airlines

Fri, Oct 2 - Tue, Oct 20

3:30 pm - 8:10 pm

SFO

ICN

12h 40mnonstop

6:00 pm - 1:00 pm

ICN

SFO

11h 00mnonstop

$697AIR PREMIA

Fri, May 1 - Fri, May 8

12:25 pm - 4:25 pm

DFW

ICN

38h 00m

1 stop

7:05 pm - 7:47 pm

ICN

DFW

38h 42m

1 stop

$995Air Canada

Mon, Sep 21 - Mon, Oct 5

8:45 pm - 5:30 pm

DFW

ICN

30h 45m

1 stop

8:10 pm - 2:57 pm

ICN

DFW

33h 47m

1 stop

$998Asiana Airlines

Tue, Aug 25 - Tue, Dec 1

8:45 pm - 4:05 pm

DFW

ICN

29h 20m

2 stops

6:00 pm - 11:37 am

ICN

DFW

31h 37m

2 stops

$999Air Canada

Sun, Sep 6 - Fri, Sep 11

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

$1,026AIR PREMIA

Fri, May 1 - Fri, May 15

6:30 am - 3:45 pm

LGA

ICN

20h 15m

1 stop

5:50 pm - 11:55 pm

ICN

LGA

19h 05m

1 stop

$1,069American Airlines

Mon, Sep 21 - Mon, Sep 28

6:30 am - 3:45 pm

LGA

ICN

20h 15m

1 stop

5:50 pm - 11:55 pm

ICN

LGA

19h 05m

1 stop

$1,076American Airlines

Wed, Sep 16 - Sun, Sep 27

Korean Air flights from United States to Seoul

Our best Korean Air deals on United States to Seoul flight tickets

Korean Air

Apr 28

SEA12:50 pmSeattle/Tacoma Intl

11h 50m

ICN4:40 pmIncheon Intl

May 16

ICN4:40 pmIncheon Intl

10h 00m

SEA10:40 amSeattle/Tacoma Intl

$1,118

Korean Air

Apr 27

SEA12:50 pmSeattle/Tacoma Intl

11h 50m

ICN4:40 pmIncheon Intl

May 10

ICN7:00 pmIncheon Intl

10h 11m

SEA1:11 pmSeattle/Tacoma Intl

$1,127

Air Canada flights from United States to Seoul

Our best Air Canada deals on United States to Seoul flight tickets

Air Canada

Sep 1

SEA7:20 pmSeattle/Tacoma Intl

28h 45m

1 stop

ICN4:05 pmIncheon Intl

Oct 27

ICN5:55 pmIncheon Intl

12h 36m

1 stop

SEA2:31 pmSeattle/Tacoma Intl

$927

Air Canada

Sep 1

SEA10:45 amSeattle/Tacoma Intl

13h 20m

1 stop

ICN4:05 pmIncheon Intl

Oct 27

ICN5:55 pmIncheon Intl

20h 01m

1 stop

SEA9:56 pmSeattle/Tacoma Intl

$967

Air Canada

Apr 27

DFW12:20 pmDallas/Fort Worth

37h 45m

2 stops

ICN4:05 pmIncheon Intl

May 6

ICN7:05 pmIncheon Intl

40h 40m

2 stops

DFW9:45 pmDallas/Fort Worth

$1,028

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles Los Angeles

Fri 9/18

4:55 pm-6:00 am

1 stop21h 05m

Incheon Intl

Wed 9/30

7:20 am-1:45 pm

1 stop22h 25m

$441

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles Los Angeles

Mon 9/21

4:55 pm-6:00 am

1 stop21h 05m

Incheon Intl

Mon 10/26

7:20 am-1:45 pm

1 stop22h 25m

$443

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles Los Angeles

Fri 10/2

12:25 pm-6:00 am

1 stop25h 35m

Incheon Intl

Tue 10/20

8:30 pm-1:45 pm

1 stop33h 15m

$447

Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 5/1

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Fri 5/8

6:00 pm-1:00 pm

Nonstop11h 00m

$697

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Mon 9/21

12:25 pm-4:25 pm

1 stop38h 00m

Incheon Intl

Mon 10/5

7:05 pm-7:47 pm

1 stop38h 42m

$995

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Tue 8/25

8:45 pm-5:30 pm

1 stop30h 45m

Incheon Intl

Tue 12/1

8:10 pm-2:57 pm

1 stop33h 47m

$998

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Sun 9/6

8:45 pm-4:05 pm

2 stops29h 20m

Incheon Intl

Fri 9/11

6:00 pm-11:37 am

2 stops31h 37m

$999

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 5/1

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Fri 5/15

10:00 am-10:50 am

Nonstop13h 50m

$1,026

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Mon 9/21

6:30 am-3:45 pm

1 stop20h 15m

Incheon Intl

Mon 9/28

5:50 pm-11:55 pm

1 stop19h 05m

$1,069

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 9/16

6:30 am-3:45 pm

1 stop20h 15m

Incheon Intl

Sun 9/27

5:50 pm-11:55 pm

1 stop19h 05m

$1,076

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 $976.

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

According to our data, Tuesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Tuesday 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 Saturday, with ticket prices averaging around $1,185.

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 $1,106 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 $1,538 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.

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	$397
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 $397. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $692.

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 April 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 26.79% of the total bookings. Other popular models include Airbus A380-800 with 15.62%, Boeing 777-300ER with 14.45%, and Airbus A350-900 with 12.41%.

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 $132	Free Cancellation	Rating 7.3 986 reviews	Search Philippine Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $282	Free Cancellation	Rating 7.8 2,838 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $335	Free Cancellation	Rating 7.9 12,258 reviews	Search Alaska Airlines flights
XiamenAir	PriceFrom $346	Free Cancellation	Rating 6.6 44 reviews	Search XiamenAir flights
Air Canada	PriceFrom $365	Free Cancellation	Rating 7.1 10,935 reviews	Search Air Canada flights
United Airlines	PriceFrom $434	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $518	Free Cancellation	Rating 0.0	Search Alaska Airlines flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.4 149 reviews	Search China Southern flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.3 146 reviews	Search Air China 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 $335

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 7/31. 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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Our best Korean Air deals on United States to Seoul flight tickets

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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

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

Fly your favorite airline to Seoul

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

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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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