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$362+ Cheap flights from the United States to Seoul (SEL)

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from USA to Seoul

Cheapest flights from USA to Seoul
Explore the most affordable flight options available from USA to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:30 pm
SFO
-
ICN
1 stop25h 55m
United Airlines
Sun 11/2212:45 pm
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 6/23$726
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:25 am
SFO
-
ICN
Nonstop12h 35m
United Airlines
Tue 11/106:30 pm
ICN
-
SFO
1 stop22h 27m
United Airlines
Deal found 6/23$731
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:00 pm
SFO
-
ICN
1 stop32h 25m
United Airlines
Fri 11/206:30 pm
ICN
-
SFO
1 stop32h 00m
United Airlines
Deal found 6/23$736
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:45 pm
SFO
-
ICN
Nonstop12h 55m
United Airlines
Tue 11/246:30 pm
ICN
-
SFO
1 stop36h 08m
United Airlines
Deal found 6/23$738
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:10 pm
SFO
-
ICN
1 stop32h 10m
United Airlines
Mon 11/26:30 pm
ICN
-
SFO
1 stop34h 57m
United Airlines
Deal found 6/23$742
This Justfly.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:50 am
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Mon 9/71:00 pm
ICN
-
LAX
Nonstop11h 20m
AIR PREMIA
Deal found 6/22$751
This AIR PREMIA deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:50 am
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Wed 8/2610:05 pm
ICN
-
LAX
Nonstop11h 15m
AIR PREMIA
Deal found 6/21$756
This AIR PREMIA deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:50 am
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Wed 10/710:05 pm
ICN
-
LAX
Nonstop11h 15m
AIR PREMIA
Deal found 6/18$757
This FlightHub deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:00 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 10/176:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 6/23$757
This oojo deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:50 am
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Wed 9/21:00 pm
ICN
-
LAX
Nonstop11h 20m
AIR PREMIA
Deal found 6/23$758
This oojo deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 am
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Sat 9/121:00 pm
ICN
-
LAX
Nonstop11h 20m
AIR PREMIA
Deal found 6/22$759
This Justfly.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:30 pm
LAX
-
ICN
Nonstop13h 00m
AIR PREMIA
Sun 8/231:00 pm
ICN
-
LAX
Nonstop11h 20m
AIR PREMIA
Deal found 6/22$760

Find flight deals from USA to Seoul

Keep the following information in mind while searching for USA to Seoul flight deals. Data was last updated June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$726
(United Airlines)

One-way from

$362
(oojo)

Popular in

December

Cheapest in

February

Average price

$1,595

Good round-trip deal

$820 or less

Good one-way deal

$529 or less
Provider with most accurate pricing for New York (NYC)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Seoul (SEL) flights.
Search Deals
From USA to Seoul (SEL)
Search Deals
One-way flight from USA to Seoul (SEL)
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from USA to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from USA to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from the United States to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 7/14

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Tue 7/21

4:50 pm-12:00 pm

Nonstop11h 10m

$846

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 10/16

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sun 10/25

6:55 pm-1:30 pm

Nonstop10h 35m

$866

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/3

12:30 am-5:55 am

1 stop36h 25m

Incheon Intl

Wed 11/18

7:20 am-9:10 pm

1 stop30h 50m

$882

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 7/22

11:30 pm-4:30 am

Nonstop13h 00m

Incheon Intl

Wed 7/29

1:00 pm-8:20 am

Nonstop11h 20m

$886

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 10/4

12:50 pm-5:20 pm

Nonstop12h 30m

Incheon Intl

Sun 10/18

4:00 pm-10:40 am

Nonstop10h 40m

$923
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 10/21

12:50 pm-5:20 pm

Nonstop12h 30m

Incheon Intl

Wed 10/28

4:00 pm-10:30 am

Nonstop10h 30m

$923

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 10/19

10:50 am-3:50 pm

Nonstop13h 00m

Incheon Intl

Wed 11/4

10:20 pm-4:20 pm

Nonstop11h 00m

$925

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 10/26

1:00 pm-9:10 pm

2 stops40h 10m

Incheon Intl

Wed 11/11

8:55 am-3:08 pm

2 stops23h 13m

$926

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 10/2

12:50 pm-5:20 pm

Nonstop12h 30m

Incheon Intl

Sat 10/10

2:30 pm-3:08 pm

1 stop16h 38m

$932

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/28

7:00 am-5:30 pm

1 stop18h 30m

Incheon Intl

Fri 9/11

7:35 pm-6:00 pm

1 stop14h 25m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from USA to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Seoul

What is the cheapest month to book a flight from USA to Seoul?

Currently, April is the cheapest month in which you can book a flight from USA to Seoul (average of $934). Flying from USA to Seoul in June is currently the most expensive (average of $1,466). 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.

What is the cheapest time of day to fly from US to SEL?

Find hourly flight availability from USA 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 June 23, 2026.

It’s optimal to fly from USA to Seoul in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from USA to Seoul

Explore weekly flight availability from USA to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 23, 2026.

The most flights from US0 to SEL are scheduled on a Monday (26 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

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

About 100% of weekly flights between United States and Seoul have experienced delays in the past year, with the average delay time being 47 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

How far ahead should I book a flight from USA to Seoul?

The best time to book flights from USA to Seoul is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from USA to Seoul?

Use this chart to determine the cheapest time to fly round-trip from USA to Seoul. Price data was last updated on June 20, 2026.

Travelers seeking maximum savings on their USA to Seoul flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for theUnited States to Seoul flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Seoul trip
Our travel experts
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone is a travel and food writer based in Los Angeles. Her work has appeared in publications such as Travel + Leisure, Lonely Planet, Forbes, Tripadvisor, Insider, and more.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

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 June 23, 2026.
Read through reviews of airlines operating flights from the United States to Seoul, such as Korean Air,AIR PREMIA, andAsiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,221 reviews
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.1
Very good
97 reviews
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.1
Very good
547 reviews
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.8
Good
8,424 reviews
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,878 reviews
Korean Air
8.4
Very good
1,221 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • How long is the flight from USA to Seoul?

    United Airlines, AIR PREMIA, and Philippine Airlines can get you from USA to Seoul in just under 12h 25m. Your travel time can differ by up to 24h. The distance between USA and Seoul is about 5642 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Seoul one-way?

    $63 is the cheapest one-way deal found within the past few days, from Philippine Airlines. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $158 and $182, respectively.

  • What are the most popular routes from USA to Seoul?

    The most popular route from USA to Seoul is New York John F Kennedy Intl - Incheon Intl. You may also consider Los Angeles - Incheon Intl or San Francisco - Incheon Intl.

  • What are the most reliable airlines from USA to Seoul?

    No one likes to see their flight delayed. When booking a flight from USA to Seoul consider choosing LATAM Airlines (88%), Aeromexico (88%) or Delta (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from USA to Seoul?

    Looking for the cheapest flight from USA to Seoul? While on average our users pay $1,510, our data indicates the cheapest price to be $420. The most popular route (New York John F Kennedy Intl - Incheon Intl), is priced around $923.

  • Can I find deals for flights from USA to Seoul that include hotel bookings?

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

  • How can I find direct flights from USA to Seoul?

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

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

    Yes. Cheapflights offers flight deals from USA 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.

  • What is the cheapest month to book a flight from USA to Seoul?

    Currently, April is the cheapest month in which you can book a flight from USA to Seoul (average of $934). Flying from USA to Seoul in June is currently the most expensive (average of $1,466). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from USA to Seoul

Discover the top 10 airlines that operate flights from USA to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$140Average$1,300FlexibilityNo cancel feeOn-time60%
Philippine AirlinesCheapest$144Average$645FlexibilityNo cancel feeOn-time60%
Hawaiian AirlinesCheapest$160Average$847FlexibilityNo cancel feeOn-time85%
DeltaCheapest$276Average$1,570FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$335Average$510FlexibilityNo cancel feeOn-time75%
XiamenAirCheapest$346Average$697FlexibilityNo cancel feeOn-time49%
Air CanadaCheapest$371Average$1,114FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$449Average$1,075FlexibilityNo cancel feeOn-time77%
China SouthernCheapest$578Average$622FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$592Average$686FlexibilityNo cancel feeOn-time67%

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