HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$387+ Cheap flights from South Korea to Seattle (SEA)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Korea to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Korea to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from South Korea (KR0) to Seattle (SEA). 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 December 22, 2024.

Round-trip from

$634
(Booking.com)

One-way from

$387
(Kiwi.com)
From South Korea to Seattle/Tacoma Intl
Search Deals
One-way flight from South Korea to Seattle/Tacoma Intl
Search Deals

Find flight deals from South Korea to Seattle

Cheapest flights from South Korea to Seattle
Explore the most affordable flight options available from South Korea to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:00 pmICN - SEA
2 stops35h 41mUnited Airlines
Tue 12/315:00 amSEA - ICN
2 stops31h 40mUnited Airlines
Deal found 12/21$639
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/254:10 pmICN - SEA
Nonstop9h 50mKorean Air
Wed 1/811:00 amSEA - ICN
Nonstop11h 55mKorean Air
Deal found 12/21$667
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:05 pmICN - SEA
Nonstop10h 08mDelta
Sun 2/1610:44 amSEA - ICN
Nonstop12h 31mDelta
Deal found 12/21$683
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Wed 2/512:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 12/21$686
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:35 amICN - SEA
2 stops20h 50mMultiple Airlines
Sat 1/117:05 pmSEA - ICN
1 stop27h 10mMultiple Airlines
Deal found 12/21$798
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:45 amGMP - SEA
2 stops27h 40mANA
Sat 1/43:45 pmSEA - GMP
1 stop33h 50mANA
Deal found 12/21$1,012
This Korean Air deal was found by Cheapflights users on 12/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:25 amPUS - SEA
1 stop19h 48mKorean Air
Tue 12/3110:40 amSEA - PUS
1 stop15h 45mKorean Air
Deal found 12/19$1,032
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:45 pmICN - SEA
1 stop14h 55mEVA Air
Mon 12/3012:10 amSEA - ICN
1 stop17h 20mEVA Air
Deal found 12/21$1,059
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:50 pmICN - SEA
1 stop23h 07mAmerican Airlines
Thu 3/2012:15 amSEA - ICN
2 stops23h 40mAmerican Airlines
Deal found 12/21$1,083
This WhyPayMore deal was found by Cheapflights users on 12/21. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:25 pmICN - SEA
1 stop24h 45mHawaiian Airlines
Mon 6/168:40 pmSEA - ICN
1 stop30h 20mHawaiian Airlines
Deal found 12/21$1,096
This WhyPayMore deal was found by Cheapflights users on 12/21. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:15 pmICN - SEA
1 stop15h 00mChina Airlines
Sun 6/151:10 amSEA - ICN
1 stop18h 05mChina Airlines
Deal found 12/21$1,237
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/273:00 pmPUS - SEA
1 stop17h 05mMultiple Airlines
Tue 12/315:54 pmSEA - PUS
2 stops30h 06mMultiple Airlines
Deal found 12/19$1,372

Find flights from South Korea to Seattle within your budget

Customize your flight search to find flights from South Korea to Seattle 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 2/20

6:15 pm-10:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

Thu 2/27

12:45 pm-5:50 pm

Nonstop12h 05m

$634

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 3/10

4:55 pm-2:30 pm

1 stop13h 35m

Seattle/Tacoma Intl

Mon 3/24

5:45 am-3:25 pm

1 stop17h 40m

$643

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 2/3

6:00 pm-10:30 pm

2 stops21h 30m

Seattle/Tacoma Intl

Wed 2/19

3:24 pm-4:15 pm

1 stop31h 51m

$657

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 2/28

4:10 pm-9:00 am

Nonstop9h 50m

Seattle/Tacoma Intl

Mon 3/3

11:00 am-3:55 pm

Nonstop11h 55m

$667

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 1/31

8:05 pm-1:19 pm

Nonstop10h 14m

Seattle/Tacoma Intl

Mon 2/10

10:44 am-4:15 pm

Nonstop12h 31m

$682

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 5/24

3:00 pm-6:33 pm

2 stops19h 33m

Seattle/Tacoma Intl

Thu 6/12

5:45 am-4:05 pm

1 stop18h 20m

$739

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 2/3

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Mon 2/10

3:45 pm-6:35 pm

1 stop33h 50m

$751

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Tue 2/4

4:10 pm-9:00 am

1 stop33h 50m

Seattle/Tacoma Intl

Tue 2/11

11:00 am-3:15 pm

1 stop35h 15m

$762

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 1/29

6:50 pm-9:21 pm

1 stop19h 31m

Seattle/Tacoma Intl

Mon 2/10

5:45 pm-4:45 pm

2 stops30h 00m

$782

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Mon 2/3

10:50 am-2:30 pm

2 stops20h 40m

Seattle/Tacoma Intl

Fri 2/14

5:45 am-8:45 pm

2 stops22h 00m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from South Korea to Seattle

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

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

What is the cheapest month to book a flight from South Korea to Seattle?

Currently, January is the cheapest month in which you can book a flight from South Korea to Seattle (average of $238). Flying from South Korea to Seattle in July is currently the most expensive (average of $411). 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 KR to SEA?

Find hourly flight availability from South Korea to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Seattle as you normally would.

Weekly flight availability from South Korea to Seattle

Explore weekly flight availability from South Korea to Seattle. 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 22, 2024.

The most flights from KR0 to SEA are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 22, 2024.
See what other customers who have flown with China Airlines, Japan Airlines and Korean Air from South Korea to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,025 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA
8.4
Very good
844 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,265 reviews

Entertainment

8.0

Food

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from South Korea to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from South Korea?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from South Korea to Seattle.

  • How popular is this South Korea to Seattle flight route?

    Within the past month, 1 users have taken a look at flights from South Korea to Seattle/Tacoma Intl.

  • What are the cheapest airlines to fly from South Korea to Seattle one-way?

    $460 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and Asiana Airlines, with prices starting from $462 and $553, respectively.

  • What are the most popular routes from South Korea to Seattle?

    The most popular flight routes from South Korea to Seattle are Incheon Intl - Seattle/Tacoma Intl, Seoul Gimpo Intl - Seattle/Tacoma Intl and Busan Gimhae - Seattle/Tacoma Intl.

  • What are the most reliable airlines from South Korea to Seattle?

    No one likes to see their flight delayed. When booking a flight from South Korea to Seattle consider choosing Delta (52%), Korean Air (52%) or Thai Airways (43%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from South Korea to Seattle?

    Looking for the cheapest flight from South Korea to Seattle? While on average our users pay $1,888, our data indicates the cheapest price to be $588. The most popular route (Incheon Intl - Seattle/Tacoma Intl), is priced around $612.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from South Korea to Seattle (average of $238). Flying from South Korea to Seattle in July is currently the most expensive (average of $411). 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.

Alternative routes for South Korea to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
New Delhi to Seattle flights
Taiwan Taoyuan Intl to Seattle flights
Suvarnabhumi to Seattle flights
Mumbai to Seattle flights
Incheon Intl to Seattle flights
Manila to Seattle flights
Haneda to Seattle flights
Hyderabad to Seattle flights
Narita to Seattle flights
Singapore to Seattle flights
Hongqiao Intl to Seattle flights
Capital to Seattle flights
Kathmandu to Seattle flights
Bangalore to Seattle flights
Pu Dong to Seattle flights
Hong Kong to Seattle flights
Kuala Lumpur Intl to Seattle flights
Beijing Daxing Intl to Seattle flights
Cebu City to Seattle flights
Narita to Portland flights
Bangalore to Portland flights
Okinawa to Seattle flights
Mumbai to Portland flights
Ho Chi Minh City to Seattle flights
Haneda to Portland flights
Busan to Seattle flights
Taiwan Taoyuan Intl to Portland flights
Soekarno-Hatta Intl to Seattle flights
Chennai to Seattle flights
Nagpur to Seattle flights
Kansai Intl to Seattle flights
Yerevan to Seattle flights
Karachi to Seattle flights
Almaty to Seattle flights
New Delhi to Portland flights
Itami to Seattle flights
Ahmedabad to Seattle flights
Colombo to Seattle flights
Suvarnabhumi to Portland flights
Incheon Intl to Portland flights
Kolkata to Seattle flights
Guangzhou to Seattle flights
Chiang Mai to Seattle flights
Phnom Penh to Seattle flights
Cochin to Seattle flights
Angeles City to Seattle flights

Top 6 airlines flying from South Korea to Seattle

Discover the top 6 airlines that operate flights from South Korea to Seattle. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$878FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$666Average$1,076FlexibilityNo cancel feeOn-time76%
DeltaCheapest$690Average$1,152FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$706Average$1,194FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$748Average$834FlexibilityNo cancel feeOn-time67%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.