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$326+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
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 August 9, 2026.

This United Airlines deal was found by Cheapflights users on 8/5. 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 8/2610:40 am -
Nonstop12h 20m
Tue 9/111:30 am -
Nonstop11h 00m
Deal found 8/5$682
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/2711:59 pm -
1 stop23h 26m
Mon 11/96:00 pm -
Nonstop10h 45m
Deal found 8/7$683
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/2410:40 am -
Nonstop12h 20m
Fri 9/114:50 pm -
Nonstop10h 50m
Deal found 8/8$684
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 8/710:40 am -
Nonstop12h 20m
Thu 8/204:50 pm -
Nonstop11h 10m
Deal found 8/6$685
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/610:40 am -
Nonstop12h 20m
Sun 9/2711:30 am -
Nonstop10h 40m
Deal found 8/6$686
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/2811:55 pm -
1 stop23h 25m
Thu 10/111:30 am -
Nonstop10h 40m
Deal found 8/9$687
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/93:00 pm -
1 stop32h 25m
Tue 11/176:30 pm -
1 stop37h 53m
Deal found 8/7$689
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:20 pm -
Nonstop13h 00m
Fri 12/47:45 pm -
Nonstop10h 35m
Deal found 8/6$690
This AIR PREMIA deal was found by Cheapflights users on 8/9. 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 9/263:30 pm -
Nonstop12h 40m
Wed 10/287:45 pm -
Nonstop10h 35m
Deal found 8/9$691
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 10/910:25 am -
Nonstop12h 35m
Fri 11/66:30 pm -
1 stop22h 27m
Deal found 8/4$692
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/2811:45 pm -
Nonstop12h 55m
Thu 11/56:30 pm -
1 stop32h 00m
Deal found 8/7$693
This Gotogate deal was found by Cheapflights users on 8/5. 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.
Wed 9/911:50 pm -
1 stop22h 05m
Mon 9/284:45 pm -
1 stop19h 15m
Deal found 8/5$695

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$682
(United Airlines)

One-way from

$326
(Super.com)

Popular in

December

Cheapest in

February

Average price

$1,301

Good round-trip deal

$714 or less

Good one-way deal

$355 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, 1% 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 August 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 August 9, 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 San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Tue 11/3

10:20 am-4:15 pm

Nonstop12h 55m

Incheon Intl

Wed 11/18

12:45 pm-6:30 am

Nonstop10h 45m

$683

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Sun 8/23

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Mon 9/14

4:50 pm-11:40 am

Nonstop10h 50m

$683

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Thu 9/17

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Tue 9/22

11:30 am-6:10 am

Nonstop10h 40m

$683

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Fri 8/21

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Thu 9/3

11:30 am-6:30 am

Nonstop11h 00m

$683

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Mon 9/28

4:20 pm-3:20 pm

1 stop31h 00m

Incheon Intl

Fri 10/2

4:50 pm-11:40 am

Nonstop10h 50m

$687

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Fri 9/4

9:15 pm-3:20 pm

1 stop26h 05m

Incheon Intl

Fri 9/11

11:30 am-6:10 am

Nonstop10h 40m

$687

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 10/21

9:15 pm-3:20 pm

1 stop26h 05m

Incheon Intl

Mon 11/2

12:45 pm-6:30 am

Nonstop10h 45m

$687

Los AngelesIncheon

LAX Los Angeles Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles Los Angeles

Thu 9/24

12:30 pm-2:50 pm

2 stops34h 20m

Incheon Intl

Sat 10/3

3:50 pm-10:05 am

2 stops34h 15m

$756

Los AngelesIncheon

LAX Los Angeles Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles Los Angeles

Sun 10/25

10:50 am-4:20 pm

Nonstop13h 30m

Incheon Intl

Wed 11/11

10:20 pm-4:20 pm

Nonstop11h 00m

$781

Los AngelesIncheon

LAX Los Angeles Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles Los Angeles

Sun 8/23

10:50 am-3:50 pm

Nonstop13h 00m

Incheon Intl

Wed 8/26

1:00 pm-8:20 am

Nonstop11h 20m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

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, April is the cheapest month in which you can book a flight from USA to Seoul (average of $947). Flying from USA to Seoul in December is currently the most expensive (average of $1,497). 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 August 9, 2026.

It’s optimal to fly from USA to Seoul in the afternoon. By choosing this option you can save up to 53% 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 August 9, 2026.

The most flights from US0 to SEL are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, 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 50% 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 early afternoon 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?

Saturday 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 33 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 August 1, 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. Tuesday 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 August 9, 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
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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
1,222 reviews
Korean Air
8.4
Very good
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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
8.1
Very good
102 reviews
Korean Air
8.4
Very good
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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
554 reviews
Korean Air
8.4
Very good
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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
7.8
Good
8,497 reviews
Korean Air
8.4
Very good
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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
10,099 reviews
Korean Air
8.4
Very good
1,222 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

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, China Eastern, and AIR PREMIA can get you from USA to Seoul in just under 12h 55m. Your travel time can differ by up to 21h 25m. 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 Seattle/Tacoma Intl - Incheon Intl or Los Angeles Los Angeles - 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 AIR PREMIA (95%), LATAM Airlines (92%) or Aeromexico (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 $5,077, our data indicates the cheapest price to be $377. The most popular route (New York John F Kennedy Intl - Incheon Intl), is priced around $909.

  • 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 $947). Flying from USA to Seoul in December is currently the most expensive (average of $1,497). 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 August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$144Average$666FlexibilityNo cancel feeOn-time60%
WestJetCheapest$152Average$1,290FlexibilityNo cancel feeOn-time60%
XiamenAirCheapest$346Average$697FlexibilityNo cancel feeOn-time49%
AIR PREMIACheapest$383Average$1,035FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$449Average$1,069FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$460Average$1,233FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$578Average$622FlexibilityNo cancel feeOn-time69%
DeltaCheapest$582Average$1,629FlexibilityNo cancel feeOn-timeN/A
Air ChinaCheapest$592Average$664FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$630Average$1,259FlexibilityNo cancel feeOn-time79%

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