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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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:50 pm
LAX
-
ICN
1 stop22h 05m
China Southern
Fri 9/184:45 pm
ICN
-
LAX
1 stop19h 15m
China Southern
Deal found 3/20$607
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:30 pm
LAX
-
ICN
2 stops34h 20m
China Eastern
Sun 9/62:30 pm
ICN
-
LAX
1 stop35h 35m
China Eastern
Deal found 3/22$647
This Gotogate deal was found by Cheapflights users on 3/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:30 am
LAX
-
ICN
1 stop31h 25m
China Eastern
Sun 11/84:40 pm
ICN
-
LAX
2 stops33h 25m
China Eastern
Deal found 3/18$654
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:30 pm
LAX
-
ICN
1 stop31h 25m
China Eastern
Sun 10/184:20 pm
ICN
-
LAX
1 stop33h 45m
China Eastern
Deal found 3/22$655
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Tue 11/311:30 am
LAX
-
ICN
2 stops34h 25m
China Eastern
Tue 11/108:55 am
ICN
-
LAX
1 stop17h 10m
China Eastern
Deal found 3/23$656
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Tue 11/311:30 am
LAX
-
ICN
2 stops34h 25m
China Eastern
Tue 11/174:05 pm
ICN
-
LAX
2 stops34h 00m
China Eastern
Deal found 3/23$658
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:45 pm
SFO
-
ICN
Nonstop12h 35m
United Airlines
Fri 11/612:45 pm
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 3/22$662
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sun 5/176:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 3/20$663
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:30 am
SFO
-
ICN
1 stop37h 30m
Multiple Airlines
Wed 8/1912:55 pm
ICN
-
SFO
1 stop18h 20m
Multiple Airlines
Deal found 3/19$664
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:40 pm
SFO
-
ICN
Nonstop12h 40m
United Airlines
Fri 4/174:50 pm
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 3/18$665
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 10/1910:40 pm
SFO
-
ICN
1 stop24h 40m
United Airlines
Sun 11/86:00 pm
ICN
-
SFO
Nonstop10h 35m
United Airlines
Deal found 3/23$666
This SmartFares deal was found by Cheapflights users on 3/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:57 pm
SFO
-
ICN
1 stop35h 38m
Multiple Airlines
Wed 4/227:35 pm
ICN
-
SFO
1 stop16h 39m
Multiple Airlines
Deal found 3/23$668

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$607
(BusinessClass)

One-way from

$362
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,051

Good round-trip deal

$540 or less

Good one-way deal

$295 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
Highest demand for flights based on searches. 2% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 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

Thu 4/30

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Sat 5/16

11:30 am-6:15 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 5/1

7:00 am-5:30 pm

1 stop18h 30m

Incheon Intl

Sat 5/16

7:35 pm-9:18 am

1 stop29h 43m

$682

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 5/9

12:40 pm-5:20 pm

Nonstop12h 40m

Incheon Intl

Fri 5/15

4:00 pm-10:40 am

Nonstop10h 40m

$862

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 4/25

12:40 pm-5:20 pm

Nonstop12h 40m

Incheon Intl

Fri 5/1

7:00 pm-9:22 am

1 stop30h 22m

$881
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 4/21

12:50 pm-4:40 pm

Nonstop11h 50m

Incheon Intl

Wed 5/6

4:40 pm-10:40 am

Nonstop10h 00m

$949

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 5/9

7:15 am-5:20 pm

1 stop18h 05m

Incheon Intl

Thu 5/21

4:40 pm-10:40 am

Nonstop10h 00m

$953

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 4/28

7:00 am-5:20 pm

1 stop18h 20m

Incheon Intl

Wed 5/13

4:40 pm-10:40 am

Nonstop10h 00m

$953

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 4/23

7:00 am-5:20 pm

1 stop18h 20m

Incheon Intl

Fri 5/15

4:40 pm-10:40 am

Nonstop10h 00m

$953

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 4/14

12:20 am-10:25 pm

1 stop30h 05m

Incheon Intl

Fri 4/17

1:55 am-10:40 pm

1 stop36h 45m

$970

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Fri 5/8

11:30 pm-4:30 am

Nonstop13h 00m

Incheon Intl

Tue 5/12

1:00 pm-8:20 am

Nonstop11h 20m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from USA to Seoul (average of $179). Flying from USA to Seoul in December is currently the most expensive (average of $474). 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 March 23, 2026.

It’s optimal to fly from USA to Seoul in the afternoon. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight at noon.

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 March 23, 2026.

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

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 March 23, 2026.

The most flights from US0 to SEL are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).

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

About 0% of weekly flights between United States and Seoul have experienced delays in the past year, with the average delay time being 0 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

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
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
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
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 March 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
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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
8.2
Very good
83 reviews
Korean Air
8.4
Very good
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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
506 reviews
Korean Air
8.4
Very good
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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
7.9
Good
8,321 reviews
Korean Air
8.4
Very good
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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
9,470 reviews
Korean Air
8.4
Very good
1,202 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Overall

8.4

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, Alaska Airlines, and Delta can get you from USA to Seoul in just under 12h 40m. Your travel time can differ by up to 5h 50m. 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?

    $124 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 Los Angeles - Incheon Intl. You may also consider New York John F Kennedy Intl - 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 Atlas Air (100%), LATAM Airlines (92%) or Delta (92%) 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 $1,515, our data indicates the cheapest price to be $292. The most popular route (Los Angeles - Incheon Intl), is priced around $645.

  • 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, November is the cheapest month in which you can book a flight from USA to Seoul (average of $179). Flying from USA to Seoul in December is currently the most expensive (average of $474). 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$132Average$698FlexibilityNo cancel feeOn-time60%
WestJetCheapest$165Average$1,181FlexibilityNo cancel feeOn-time60%
XiamenAirCheapest$346Average$694FlexibilityNo cancel feeOn-time49%
DeltaCheapest$357Average$1,584FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$365Average$1,138FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$440Average$622FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$498Average$1,072FlexibilityNo cancel feeOn-time77%
Air ChinaCheapest$592Average$690FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$630Average$1,109FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$640Average$909FlexibilityNo cancel feeOn-time72%

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