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$377+ Cheap flights from Washington 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Washington to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$679
(Air Canada)

One-way from

$377
(Kiwi.com)

Good round-trip deal

$736 or less

Good one-way deal

$426 or less
From Washington to Seoul (SEL)
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One-way flight from Washington to Seoul (SEL)
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Price to beat on a round-trip flight from Washington to Seoul (SEL).
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Price to beat on a one-way flight from Washington to Seoul (SEL).
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Find flight deals from Washington to Seoul

Cheapest flights from Washington to Seoul
Explore the most affordable flight options available from Washington to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/113:25 pmPDX - ICN
2 stops45h 30mMultiple Airlines
Wed 4/165:45 pmICN - PDX
1 stop13h 00mMultiple Airlines
Deal found 1/20$679
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:00 amPDX - ICN
1 stop16h 15mAir Canada
Wed 3/54:55 pmICN - PDX
1 stop22h 14mAir Canada
Deal found 1/20$810
This Gurufare deal was found by Cheapflights users on 1/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:00 amPDX - ICN
2 stops37h 55mChina Eastern
Sat 8/912:55 pmICN - PDX
2 stops43h 09mChina Eastern
Deal found 1/21$848
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2310:10 amPDX - GMP
2 stops32h 10mMultiple Airlines
Wed 2/57:45 amGMP - PDX
2 stops23h 59mMultiple Airlines
Deal found 1/20$899
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/35:38 pmSEA - ICN
2 stops29h 57mMultiple Airlines
Mon 3/105:50 pmICN - SEA
3 stops33h 56mMultiple Airlines
Deal found 1/20$908
This Asiana Airlines deal was found by Cheapflights users on 1/19. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Thu 3/136:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Deal found 1/19$912
This Hawaiian Airlines deal was found by Cheapflights users on 1/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/217:00 amSEA - ICN
1 stop19h 25mHawaiian Airlines
Mon 3/39:25 pmICN - SEA
1 stop16h 55mHawaiian Airlines
Deal found 1/20$937
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/97:05 pmSEA - ICN
1 stop29h 00mAir Canada
Thu 5/15:45 pmICN - SEA
1 stop12h 28mAir Canada
Deal found 1/20$938
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/231:10 amSEA - ICN
1 stop18h 10mChina Airlines
Tue 4/18:35 pmICN - SEA
1 stop14h 55mChina Airlines
Deal found 1/20$940
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:42 pmPDX - ICN
1 stop16h 48mAsiana Airlines
Wed 2/268:50 pmICN - PDX
1 stop14h 50mAsiana Airlines
Deal found 1/20$971
This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/141:30 amSEA - ICN
1 stop25h 15mEVA Air
Wed 4/3012:00 pmICN - SEA
1 stop23h 30mEVA Air
Deal found 1/20$973
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/217:00 amSEA - ICN
1 stop19h 25mAlaska Airlines
Sun 3/29:25 pmICN - SEA
1 stop25h 55mAlaska Airlines
Deal found 1/20$987

Find flights from Washington to Seoul within your budget

Customize your flight search to find flights from Washington 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/11

3:25 pm-5:55 am

2 stops45h 30m

Incheon Intl

Wed 4/16

5:45 pm-2:45 pm

1 stop13h 00m

$679

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/23

6:00 am-3:15 pm

1 stop16h 15m

Incheon Intl

Wed 3/5

4:55 pm-10:09 pm

1 stop22h 14m

$810

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 7/20

6:00 am-11:55 am

2 stops37h 55m

Incheon Intl

Sat 8/9

12:55 pm-4:04 pm

2 stops43h 09m

$848

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 3/3

5:38 pm-4:35 pm

2 stops29h 57m

Incheon Intl

Mon 3/10

5:50 pm-11:46 am

3 stops33h 56m

$908

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 3/6

12:45 pm-5:50 pm

Nonstop12h 05m

Incheon Intl

Thu 3/13

6:15 pm-11:55 am

Nonstop9h 40m

$912

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 2/21

7:00 am-7:25 pm

1 stop19h 25m

Incheon Intl

Mon 3/3

9:25 pm-9:20 pm

1 stop16h 55m

$937

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 4/9

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Thu 5/1

5:45 pm-2:13 pm

1 stop12h 28m

$938

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 3/23

1:10 am-11:20 am

1 stop18h 10m

Incheon Intl

Tue 4/1

8:35 pm-7:30 pm

1 stop14h 55m

$940

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/19

7:42 pm-5:30 am

1 stop16h 48m

Incheon Intl

Wed 2/26

8:50 pm-6:40 pm

1 stop14h 50m

$971

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 4/14

1:30 am-6:45 pm

1 stop25h 15m

Incheon Intl

Wed 4/30

12:00 pm-7:30 pm

1 stop23h 30m

$973

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Washington 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.

Travel insights for flights from Washington to Seoul

Get recent, data-driven insights about flights from Washington to Seoul including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Seoul?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Seoul (average of $1,086). Flying from State of Washington to Seoul in June is currently the most expensive (average of $1,722). 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 WA to SEL?

Find hourly flight availability from Washington 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 January 21, 2025.

When flying from State of Washington to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to Seoul

Explore weekly flight availability from Washington 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 January 21, 2025.

The most flights from USWA to SEL are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 January 21, 2025.
Read through reviews of airlines operating flights from Washington to Seoul, such as Air Canada, Asiana Airlines and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,253 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to Seoul flight route?

    Flights from Washington to Seoul have been viewed 200 times in the past calendar month.

  • What are the cheapest airlines to fly from State of Washington to Seoul one-way?

    The cheapest airline one-way is Asiana Airlines, with whom users have recently found tickets for as low as $472. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from State of Washington to Seoul for a low price.

  • What are the most popular routes from State of Washington to Seoul?

    When deciding which route to take from State of Washington to Seoul consider Seattle/Tacoma Intl - Incheon Intl, Seattle/Tacoma Intl - Seoul Gimpo Intl or Portland - Incheon Intl as they are the most popular.

  • What are the most reliable airlines from State of Washington to Seoul?

    Consider Delta (70%), Korean Air (57%) or Etihad Airways (55%) when booking your flight. These represent the most reliable airlines when flying from State of Washington to Seoul.

  • What are the cheapest flights from State of Washington to Seoul?

    While on average a flight from State of Washington to Seoul is generally $1,529, our data shows the cheapest flight currently is $367. When looking at the most popular route, (Seattle/Tacoma Intl - Incheon Intl), you can expect to pay $757 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Seoul?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Seoul (average of $1,086). Flying from State of Washington to Seoul in June is currently the most expensive (average of $1,722). 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

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Alternative routes for Washington to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to Seoul

Discover the top 9 airlines that operate flights from Washington 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$813FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,477FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$849Average$1,010FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$856Average$951FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$943Average$1,286FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$970Average$1,204FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$981Average$1,491FlexibilityNo cancel feeOn-time81%
DeltaCheapest$986Average$1,456FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$986Average$1,094FlexibilityNo cancel feeOn-time74%
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