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$360+ Cheap flights from Seoul (SEL) 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SEA
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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The best prices from Seoul to Seattle/Tacoma Intl are usually found in November or October, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Seoul to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 diciembre 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(WhyPayMore)

One-way from

$360
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$819
Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Seattle/Tacoma Intl flights.
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From Seoul (SEL) to Seattle/Tacoma Intl
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One-way flight from Seoul (SEL) to Seattle/Tacoma Intl
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High demand for flights, 15% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seoul to Seattle

Cheapest flights from Seoul to Seattle
Explore the most affordable flight options available from Seoul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1912:45 pmICN - SEA
1 stop23h 20mUnited Airlines
mar. 12/315:00 amSEA - ICN
2 stops31h 40mUnited Airlines
Deal found 12/17$644
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/236:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
dom. 2/2312:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 12/17$660
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/238:05 pmICN - SEA
Nonstop10h 08mDelta
mié. 3/1211:40 amSEA - ICN
Nonstop12h 35mDelta
Deal found 12/17$666
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2011:50 amICN - SEA
2 stops19h 35mMultiple Airlines
mar. 12/315:45 amSEA - ICN
1 stop16h 30mMultiple Airlines
Deal found 12/17$715
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/234:10 pmICN - SEA
Nonstop9h 50mKorean Air
mié. 1/810:41 amSEA - ICN
Nonstop12h 34mKorean Air
Deal found 12/16$722
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/197:45 amGMP - SEA
2 stops27h 40mANA
jue. 1/23:45 pmSEA - GMP
1 stop26h 35mANA
Deal found 12/17$752
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/239:25 pmICN - SEA
1 stop24h 45mHawaiian Airlines
vie. 3/216:40 pmSEA - ICN
1 stop32h 45mHawaiian Airlines
Deal found 12/17$755
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1811:40 amICN - SEA
1 stop23h 30mEVA Air
lun. 12/3012:10 amSEA - ICN
1 stop17h 20mEVA Air
Deal found 12/16$917
This WhyPayMore deal was found by Cheapflights users on 12/18. 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.
sáb. 12/288:15 pmICN - SEA
1 stop15h 00mChina Airlines
sáb. 12/2812:10 amSEA - ICN
1 stop18h 10mChina Airlines
Deal found 12/18$1,016
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.
lun. 12/2312:05 pmGMP - SEA
1 stop14h 45mJapan Airlines
mié. 3/121:30 pmSEA - GMP
1 stop16h 50mJapan Airlines
Deal found 12/17$1,384
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.
dom. 12/291:45 pmGMP - SEA
1 stop21h 30mChina Airlines
sáb. 1/412:10 amSEA - GMP
1 stop19h 35mChina Airlines
Deal found 12/17$1,472
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/288:35 amGMP - SEA
1 stop17h 05mMultiple Airlines
lun. 12/3012:10 amSEA - GMP
2 stops39h 35mMultiple Airlines
Deal found 12/17$1,685

Find flights from Seoul to Seattle within your budget

Customize your flight search to find flights from Seoul 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 diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mar. 3/18

6:15 pm-11:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

lun. 3/31

2:00 pm-5:45 pm

Nonstop11h 45m

$632

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mar. 2/11

12:45 pm-1:32 pm

1 stop17h 47m

Seattle/Tacoma Intl

mar. 2/18

7:15 am-5:40 am

1 stop29h 25m

$638

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

jue. 1/30

12:45 pm-11:20 am

1 stop15h 35m

Seattle/Tacoma Intl

mié. 2/12

3:25 pm-4:15 pm

1 stop31h 50m

$640

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

vie. 2/28

4:55 pm-2:30 pm

1 stop14h 35m

Seattle/Tacoma Intl

jue. 5/29

7:15 pm-4:05 pm

1 stop28h 50m

$645

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mar. 4/8

4:40 pm-10:50 am

Nonstop10h 10m

Seattle/Tacoma Intl

mar. 4/15

12:50 pm-4:30 pm

Nonstop11h 40m

$666

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

jue. 3/13

4:10 pm-10:00 am

Nonstop9h 50m

Seattle/Tacoma Intl

jue. 3/20

12:00 pm-3:55 pm

Nonstop11h 55m

$685

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 2/14

7:45 am-6:25 pm

2 stops27h 40m

Seattle/Tacoma Intl

lun. 2/17

3:45 pm-11:20 am

1 stop26h 35m

$752

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

vie. 1/31

6:15 pm-10:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

vie. 2/7

8:03 am-5:55 pm

1 stop16h 52m

$779

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 5/12

9:25 pm-9:55 pm

1 stop16h 30m

Seattle/Tacoma Intl

jue. 5/29

8:15 am-7:00 pm

1 stop18h 45m

$801

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 4/21

8:35 pm-7:30 pm

1 stop14h 55m

Seattle/Tacoma Intl

dom. 5/4

1:10 am-11:15 am

1 stop18h 05m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 25 results
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Compare providers for flights from Seoul to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Seattle

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

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

How far ahead should I book a flight from Seoul to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Seattle. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Seoul to Seattle, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seoul to Seattle (average of $238). Flying from Seoul 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 SEL to SEA?

Find hourly flight availability from Seoul 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 diciembre 18, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% on flights from Seoul to Seattle by exploring options for tickets in the morning.

Weekly flight availability from Seoul to Seattle

Explore weekly flight availability from Seoul 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 diciembre 18, 2024.

The most flights from SEL to SEA 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 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 diciembre 18, 2024.
To help decide which airline to fly from Seoul to Seattle, see what other customers have to say about Hawaiian Airlines, Asiana Airlines and Korean Air. 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
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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
1,269 reviews
EVA Air
8.4
Very good
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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
1,018 reviews
EVA Air
8.4
Very good
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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
839 reviews
EVA Air
8.4
Very good
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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
1,443 reviews
EVA Air
8.4
Very good
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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.

Asiana Airlines
8.3
Very good
477 reviews
EVA Air
8.4
Very good
1,269 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

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 Seoul 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 Seoul?

    If you book a flight to Seattle from Seoul, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 7 flights from Seoul to Seattle/Tacoma Intl per day from 6 different airlines.

  • How popular is this Seoul to Seattle flight route?

    The Seoul to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Seoul to Seattle round-trip?

    According to our current data, Asiana Airlines ($632), United Airlines ($638), and Lufthansa ($640) offers the cheapest pricing from Seoul to Seattle. You may be able to fly from Seoul to Seattle for 38% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $436. WestJet flights start at $439 while deals on Air Canada start at $477 one-way.

  • What are the most reliable airlines from Seoul to Seattle?

    The top 3 most reliable airlines when flying from Seoul to Seattle are Delta (52%), Korean Air (52%) and Thai Airways (43%).

  • What are the cheapest flights from Seoul to Seattle?

    Looking for the cheapest flight from Seoul 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 $619.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Seoul to Seattle (average of $238). Flying from Seoul 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

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Alternative routes for Seoul to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Seattle flights
Busan to Seattle flights
Incheon Intl to Portland flights
Gimpo Intl to Portland flights
Incheon Intl to Spokane flights
Busan to Portland flights

Top 6 airlines flying from Seoul to Seattle

Discover the top 6 airlines that operate flights from Seoul 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 diciembre 18, 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$1,237FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$748Average$834FlexibilityNo cancel feeOn-time67%
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