Seoul

$329+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Jan 17 — Jan 241
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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 December 18, 2025.

This Gotogate deal was found by Cheapflights users on 12/17. 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 12/312:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sun 1/186:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/17$650
This CrystalTravel deal was found by Cheapflights users on 12/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sat 1/176:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/16$760
This SmartFares deal was found by Cheapflights users on 12/16. 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.
Wed 12/3111:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
Tue 1/208:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/16$779
This oojo deal was found by Cheapflights users on 12/16. 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.
Mon 12/2911:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
Wed 1/218:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/16$785
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Mon 12/292:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Wed 1/216:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/17$800
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Mon 12/2912:00 pmSFO - ICN
1 stop34h 20mChina Eastern
Wed 1/2112:55 pmICN - SFO
1 stop37h 05mChina Eastern
Deal found 12/16$808
This Trip.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/289:50 amLAX - ICN
Nonstop13h 30mMultiple Airlines
Wed 3/48:10 amICN - LAX
1 stop16h 25mMultiple Airlines
Deal found 12/17$823
This Tourvis deal was found by Cheapflights users on 12/17. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:42 pmSFO - ICN
1 stop32h 53mHawaiian Airlines
Sun 1/258:35 pmICN - SFO
1 stop31h 07mHawaiian Airlines
Deal found 12/17$823
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:13 amSFO - ICN
1 stop15h 22mMultiple Airlines
Thu 1/88:35 pmICN - SFO
1 stop19h 28mMultiple Airlines
Deal found 12/16$826
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:42 pmSFO - ICN
1 stop32h 53mMultiple Airlines
Thu 1/88:35 pmICN - SFO
1 stop18h 23mMultiple Airlines
Deal found 12/16$832
This Gotogate deal was found by Cheapflights users on 12/17. 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 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Sun 1/184:15 pmICN - SFO
2 stops44h 25mMultiple Airlines
Deal found 12/17$841
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:00 pmSFO - ICN
2 stops29h 55mMultiple Airlines
Sat 1/246:55 pmICN - SFO
Nonstop10h 35mMultiple Airlines
Deal found 12/16$853

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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$570
(CrystalTravel)

One-way from

$329
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,633

Good round-trip deal

$337 or less

Good one-way deal

$352 or less
Provider with most accurate pricing for New York (NYC)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Seoul (SEL) flights.
From USA to Seoul (SEL)
One-way flight from USA to Seoul (SEL)
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from USA to Seoul (SEL).
Price to beat on a one-way flight from USA to Seoul (SEL).

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 December 18, 2025.
Use the filters below to find and compare flights from the United States to Seoul that are best for you.

Fly from

USA

Fly to

Seoul

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/22

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Thu 1/29

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 2/23

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 3/15

6:55 pm-1:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/15

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Sat 1/24

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 3/12

10:30 am-3:15 pm

Nonstop12h 45m

Incheon Intl

Mon 3/23

5:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 2/26

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Fri 3/20

11:45 am-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 3/1

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Sat 3/14

5:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 2/24

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Tue 3/17

11:45 am-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 1/17

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Sun 2/1

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 2/28

6:30 am-6:35 pm

1 stop19h 05m

Incheon Intl

Fri 3/6

8:35 pm-10:56 pm

1 stop19h 21m

$676

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 1/17

11:25 am-4:30 pm

Nonstop12h 05m

Incheon Intl

Wed 1/28

8:05 pm-1:20 pm

Nonstop10h 15m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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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 $181). Flying from USA to Seoul in June is currently the most expensive (average of $531). 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 December 18, 2025.

It’s optimal to fly from USA to Seoul in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

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 December 16, 2024.

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. Sunday at noon 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 December 18, 2025.

The most flights from US0 to SEL are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, 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 in the morning 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 Sunday 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
Airlines
AIR PREMIA

Premium Economy offers 42-43 inches of legroom, wider seats, and priority boarding.


Economy class provides 35 inches of legroom, ensuring comfort on long flights.

Korean Air

Economy seats offer 33-34 inches of pitch, more spacious than many competitors.


Prestige Suites provide lie-flat seats with 75” pitch and 21” width on select aircraft.

Delta

Delta One features 180-degree flat-bed seats with duvets and lumbar pillows on long-haul routes.


Free Wi-Fi for SkyMiles members on most long-haul routes enhances connectivity.

Air Canada

Signature Class offers lie-flat beds with massage function and priority services.


Preferred Seats provide extra space with up to four additional inches between seats.

United Airlines

Polaris Class offers lie-flat seats with Saks Fifth Avenue bedding and large entertainment screens.


Premium Plus includes extra legroom, upgraded meals, and two checked bags on international flights.

Asiana Airlines

Business suites on A380 offer 81” beds with duck-down bedding and 32” screens.


Economy seats on A350 have 36” pitch in Smartium, offering extra comfort.

Airports
ICN

The AREX express train is a convenient option between Incheon and Seoul Station, taking 40-50 minutes.

Our travel experts
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone

Esther Carlstone

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
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air

Yulia Denisyuk

Yulia Denisyuk

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
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

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
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

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
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

Marisa Garcia

Marisa Garcia

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
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

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 December 18, 2025.
Read through reviews of airlines operating flights from the United States to Seoul, such as Korean Air, AIR PREMIA, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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.

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

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 popular is this USA to Seoul flight route?

  • How long is the flight from USA to Seoul?

    United Airlines, Delta, and Cathay Pacific can get you from USA to Seoul in just under 12h 05m. Your travel time can differ by up to 21h 55m. The distance between USA and Seoul is about 5200 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?

    $110 is the cheapest one-way deal found within the past few days, from Air China. 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?

  • 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 (83%) or Delta (83%) 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 $1,291, our data indicates the cheapest price to be $262. The most popular route (Los Angeles - Incheon Intl), is priced around $588.

  • 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 $181). Flying from USA to Seoul in June is currently the most expensive (average of $531). 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

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Alternative routes for USA to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$181Average$1,172FlexibilityNo cancel feeOn-time60%
XiamenAirCheapest$347Average$615FlexibilityNo cancel feeOn-time49%
Philippine AirlinesCheapest$372Average$757FlexibilityNo cancel feeOn-time60%
Hawaiian AirlinesCheapest$478Average$853FlexibilityNo cancel feeOn-time85%
China SouthernCheapest$578Average$611FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$599Average$686FlexibilityNo cancel feeOn-time67%
China EasternCheapest$622Average$711FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$630Average$1,347FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
Alaska AirlinesCheapest$674Average$1,025FlexibilityNo cancel feeOn-time75%

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