South Korea

$377+ Cheap flights from Washington to South Korea

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 — ICN
Jan 26 — Feb 21
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Cheap flight deals from Washington to South Korea

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to South Korea (KR0). 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 South Korea
One-way flight from Washington to South Korea
Price to beat on a round-trip flight from Washington to South Korea.
Price to beat on a one-way flight from Washington to South Korea.

Find flight deals from Washington to South Korea

Cheapest flights from Washington to South Korea
Explore the most affordable flight options available from Washington to South Korea. 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 Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/207:10 amSEA - PUS
2 stops36h 25mChina Eastern
Sat 5/175:50 pmPUS - SEA
2 stops39h 10mChina Eastern
Deal found 1/20$775
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 Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:10 amSEA - CJU
2 stops36h 40mChina Eastern
Tue 3/116:55 pmCJU - SEA
2 stops38h 00mChina Eastern
Deal found 1/19$875
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 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.
Wed 3/512:45 pmSEA - PUS
2 stops30h 50mAsiana Airlines
Wed 3/1211:25 amPUS - SEA
2 stops40h 30mAsiana Airlines
Deal found 1/20$922
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

Find flights from Washington to South Korea within your budget

Customize your flight search to find flights from Washington to South Korea 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

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 3/5

12:45 pm-12:35 pm

2 stops30h 50m

Busan Gimhae

Wed 3/12

11:25 am-11:55 am

2 stops40h 30m

$922

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

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 South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

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

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to South Korea (average of $1,086). Flying from State of Washington to South Korea 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 KR?

Find hourly flight availability from Washington to South Korea. 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 South Korea, 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 South Korea

Explore weekly flight availability from Washington to South Korea. 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 KR0 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 South Korea by month

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

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, 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 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated January 21, 2025.
See what other customers who have flown with Air Canada, China Eastern and Asiana Airlines from Washington to South Korea have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

8.5
Very good
1,039 reviews
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

8.4
Very good
1,253 reviews
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

8.4
Very good
852 reviews
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

8.3
Very good
1,449 reviews
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

8.2
Very good
737 reviews
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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 South Korea. 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 South Korea flight route?

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

    The cheapest airlines for a one-way flight from State of Washington to South Korea are Asiana Airlines ($472), American Airlines ($479), and Hawaiian Airlines ($485).

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

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

  • How can I find direct flights from Washington to South Korea?

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

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

    Yes. Cheapflights offers flight deals from Washington to South Korea 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 South Korea?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to South Korea (average of $1,086). Flying from State of Washington to South Korea 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to South Korea

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

Top 9 airlines flying from Washington to South Korea

Discover the top 9 airlines that operate flights from Washington to South Korea. 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$1,626FlexibilityNo cancel feeOn-time81%
DeltaCheapest$986Average$1,487FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$986Average$1,094FlexibilityNo cancel feeOn-time74%
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