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

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

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

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

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 23 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

Historically, on average around 100% 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 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 many flights depart from United States to Seoul on average per day?

56 flights are operational daily from United States to Seoul as of June 2026. The most popular departure time for this route is 11:00PM, with 30% of flights per day taking off at noon.

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

Monday 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.

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

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

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 June 2026, there are 21 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.

$362 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.

10:30 am - 4:15 pm

SFO

ICN

12h 45mnonstop

12:45 pm - 6:30 am

ICN

SFO

10h 45mnonstop

$721United Airlines

Tue, Nov 10 - Tue, Nov 24

11:55 pm - 4:20 am

SFO

ICN

12h 25mnonstop

11:30 am - 6:30 am

ICN

SFO

11h 00mnonstop

$722United Airlines

Fri, Jul 31 - Sun, Aug 16

10:30 am - 4:15 pm

SFO

ICN

12h 45mnonstop

12:45 pm - 6:30 am

ICN

SFO

10h 45mnonstop

$723United Airlines

Mon, Nov 9 - Tue, Nov 17

5:00 pm - 9:40 pm

SFO

ICN

12h 40mnonstop

6:55 pm - 1:30 pm

ICN

SFO

10h 35mnonstop

$725AIR PREMIA

Wed, Oct 14 - Sat, Oct 31

4:30 pm - 4:25 pm

SFO

ICN

30h 55m

1 stop

12:45 pm - 6:30 am

ICN

SFO

10h 45mnonstop

$726United Airlines

Sat, Nov 7 - Wed, Nov 25

5:00 pm - 9:40 pm

SFO

ICN

12h 40mnonstop

6:00 pm - 1:00 pm

ICN

SFO

11h 00mnonstop

$729AIR PREMIA

Fri, Sep 25 - Sat, Oct 10

3:00 pm - 4:40 am

EWR

ICN

24h 40m

1 stop

6:30 pm - 6:10 pm

ICN

EWR

13h 40mnonstop

$903Asiana Airlines

Thu, Oct 29 - Sun, Nov 15

7:00 am - 5:35 pm

JFK

ICN

20h 35m

1 stop

8:00 pm - 7:46 am

ICN

JFK

49h 46m

2 stops

$1,176Alaska Airlines

Fri, Nov 6 - Fri, Nov 13

6:00 am - 5:10 pm

LGA

ICN

21h 10m

2 stops

6:55 pm - 9:03 am

ICN

LGA

28h 08m

2 stops

$1,177Air Canada

Wed, Nov 25 - Mon, Nov 30

6:30 am - 5:30 pm

LGA

ICN

22h 00m

2 stops

5:45 pm - 7:36 am

ICN

LGA

26h 51m

2 stops

$1,185Air Canada

Thu, Oct 8 - Thu, Oct 22

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Asiana Airlines flights from United States to Seoul

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

Asiana Airlines

Jul 14

SFO11:55 pmSan Francisco

12h 25m

ICN4:20 amIncheon Intl

Sep 24

ICN4:50 pmIncheon Intl

10h 50m

SFO11:40 amSan Francisco

$762

Asiana Airlines

Jul 8

SFO11:55 pmSan Francisco

12h 25m

ICN4:20 amIncheon Intl

Jul 16

ICN11:30 amIncheon Intl

11h 00m

SFO6:30 amSan Francisco

$765

Asiana Airlines

Aug 14

SFO10:40 amSan Francisco

12h 20m

ICN3:00 pmIncheon Intl

Aug 21

ICN11:30 amIncheon Intl

11h 00m

SFO6:30 amSan Francisco

$769

WestJet flights from United States to Seoul

Our best WestJet deals on United States to Seoul flight tickets

WestJet

Aug 30

SEA10:30 amSeattle/Tacoma Intl

16h 15m

1 stop

ICN6:45 pmIncheon Intl

Sep 14

ICN8:45 pmIncheon Intl

28h 55m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$881

WestJet

Aug 29

SEA7:35 pmSeattle/Tacoma Intl

31h 10m

1 stop

ICN6:45 pmIncheon Intl

Sep 13

ICN8:45 pmIncheon Intl

14h 00m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

$882

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/10

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Tue 11/24

12:45 pm-6:30 am

Nonstop10h 45m

$721

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 7/31

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Sun 8/16

11:30 am-6:30 am

Nonstop11h 00m

$722

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/9

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Tue 11/17

12:45 pm-6:30 am

Nonstop10h 45m

$723

Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 10/14

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sat 10/31

6:55 pm-1:30 pm

Nonstop10h 35m

$725

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/7

4:30 pm-4:25 pm

1 stop30h 55m

Incheon Intl

Wed 11/25

12:45 pm-6:30 am

Nonstop10h 45m

$726

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/25

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sat 10/10

6:00 pm-1:00 pm

Nonstop11h 00m

$729

NewarkIncheon

EWR - ICN

EWRICN

Newark

Thu 10/29

3:00 pm-4:40 am

1 stop24h 40m

Incheon Intl

Sun 11/15

6:30 pm-6:10 pm

Nonstop13h 40m

$903

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Fri 11/6

7:00 am-5:35 pm

1 stop20h 35m

Incheon Intl

Fri 11/13

8:00 pm-7:46 am

2 stops49h 46m

$1,176

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 11/25

6:00 am-5:10 pm

2 stops21h 10m

Incheon Intl

Mon 11/30

6:55 pm-9:03 am

2 stops28h 08m

$1,177

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Thu 10/8

6:30 am-5:30 pm

2 stops22h 00m

Incheon Intl

Thu 10/22

5:45 pm-7:36 am

2 stops26h 51m

$1,185

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 February is another great option to travel to Seoul, with average flight prices from United States averaging around $945.

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 $1,028. 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 $1,171.

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 $1,051 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 $1,098 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 $1,517 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 $1,354 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	$529
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 $529. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $820.

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 June 2026, there are 21 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 26.75% of the total bookings. Other popular models include Boeing 777-300ER with 16.91%, Airbus A350-900 with 14.80%, and Airbus A380-800 with 12.65%.

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
WestJet	PriceFrom $140	Free Cancellation	Rating 7.2 3,384 reviews	Search WestJet flights
Philippine Airlines	PriceFrom $144	Free Cancellation	Rating 7.3 1,002 reviews	Search Philippine Airlines flights
Hawaiian Airlines	PriceFrom $160	Free Cancellation	Rating 7.8 2,826 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
Alaska Airlines	PriceFrom $335	Free Cancellation	Rating 7.9 12,580 reviews	Search Alaska Airlines flights
XiamenAir	PriceFrom $346	Free Cancellation	Rating 6.6 46 reviews	Search XiamenAir flights
Air Canada	PriceFrom $371	Free Cancellation	Rating 7.1 11,262 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $449	Free Cancellation	Rating 7.4 4,421 reviews	Search Turkish Airlines flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.5 154 reviews	Search China Southern flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.3 155 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.

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Cheap flights from the United States to Seoul from $362

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 8/19. 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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Asiana Airlines flights from United States to Seoul

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

WestJet 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

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

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.

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