Seoul

$431+ Cheap flights from Seattle (SEA) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SEL
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Seattle to Seoul 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.

The best prices from Seattle/Tacoma Intl to Seoul are usually found in November or October, booked 74 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 October 31, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Round-trip from

$748
(ScholarTrip)

One-way from

$431
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Seoul (SEL) flights.
High demand for flights, 19% potential price rise
Best time to find cheap flights, 13% potential price drop
From Seattle/Tacoma Intl to Seoul (SEL)
One-way flight from Seattle/Tacoma Intl to Seoul (SEL)

Find flight deals from Seattle to Seoul

Cheapest flights from Seattle to Seoul
Explore the most affordable flight options available from Seattle to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Air Canada deal was found by Cheapflights users on 10/30. 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.
Sat 11/95:45 amSEA - ICN
1 stop18h 00mAir Canada
Sat 11/166:20 pmICN - SEA
1 stop17h 05mAir Canada
Deal found 10/30$862
This Air Canada deal was found by Cheapflights users on 10/29. 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 11/1210:35 amSEA - ICN
2 stops19h 15mMultiple Airlines
Fri 11/156:20 pmICN - SEA
1 stop17h 12mMultiple Airlines
Deal found 10/29$884
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/11:16 amSEA - ICN
1 stop22h 29mAmerican Airlines
Mon 12/96:50 pmICN - SEA
1 stop21h 19mAmerican Airlines
Deal found 10/30$917
This CrystalTravel deal was found by Cheapflights users on 10/30. 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.
Thu 10/3111:35 amSEA - ICN
Nonstop12h 40mKorean Air
Sun 11/38:05 pmICN - SEA
Nonstop10h 25mKorean Air
Deal found 10/30$920
This oojo deal was found by Cheapflights users on 10/29. 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 12/212:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Sat 12/76:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Deal found 10/29$939
This Gotogate deal was found by Cheapflights users on 10/29. 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 11/1810:35 amSEA - GMP
2 stops18h 55mANA
Mon 2/177:50 pmGMP - SEA
1 stop34h 30mANA
Deal found 10/29$968
This oojo deal was found by Cheapflights users on 10/29. 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 11/1712:10 amSEA - ICN
1 stop26h 05mChina Airlines
Mon 2/178:15 pmICN - SEA
1 stop15h 00mChina Airlines
Deal found 10/29$981
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/2110:35 amSEA - ICN
Nonstop12h 40mDelta
Wed 12/48:05 pmICN - SEA
Nonstop10h 08mDelta
Deal found 10/30$989
This FlightHub deal was found by Cheapflights users on 10/31. 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.
Sun 12/17:00 pmSEA - ICN
1 stop30h 20mTurkish Airlines
Sun 12/812:10 amICN - SEA
1 stop33h 55mTurkish Airlines
Deal found 10/31$1,003
This oojo deal was found by Cheapflights users on 10/30. 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.
Tue 11/512:10 amSEA - ICN
1 stop25h 35mEVA Air
Tue 12/37:45 pmICN - SEA
1 stop14h 55mEVA Air
Deal found 10/30$1,019
This Surpr!ce deal was found by Cheapflights users on 10/30. 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 Surpr!ce is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/110:55 pmSEA - GMP
2 stops30h 35mMultiple Airlines
Mon 12/97:45 amGMP - SEA
1 stop22h 35mMultiple Airlines
Deal found 10/30$1,025
This Ovago deal was found by Cheapflights users on 10/30. 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.
Thu 11/2812:10 amSEA - GMP
1 stop19h 40mEVA Air
Fri 12/61:50 pmGMP - SEA
1 stop21h 20mEVA Air
Deal found 10/30$1,068

Find flights from Seattle to Seoul within your budget

Customize your flight search to find flights from Seattle 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 3/6

9:31 pm-8:30 pm

1 stop29h 59m

$431

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 2/1

3:05 pm-3:15 pm

1 stop31h 10m

$472

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 11/12

12:45 pm-5:50 pm

Nonstop12h 05m

$501

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 12/1

1:16 am-4:45 pm

1 stop22h 29m

$515

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 11/6

11:00 am-3:55 pm

Nonstop11h 55m

$543

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 1/2

10:35 am-10:30 pm

2 stops18h 55m

$558

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 11/27

10:35 am-4:15 pm

Nonstop12h 40m

$570

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 1/30

10:00 am-9:30 pm

2 stops42h 30m

$578

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 2/25

12:10 am-6:45 pm

1 stop25h 35m

$608

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 1/26

12:10 am-7:15 pm

1 stop26h 05m

$657

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 29 results
1
2
3

Compare providers for flights from Seattle to Seoul

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 Seattle to Seoul in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 Seattle-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant 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 Seattle-Seoul 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 Seattle to Seoul

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Seoul. Price data was last updated on October 25, 2024.

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Seoul (average of $1,161). Flying from Seattle to Seoul in June is currently the most expensive (average of $1,713). 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 SEA to SEL?

Find hourly flight availability from Seattle 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 October 31, 2024.

It’s optimal to fly from Seattle to Seoul in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Seattle to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Seoul. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Seattle to Seoul flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 31, 2024.
Read through reviews of airlines operating flights from Seattle to Seoul, such as Air Canada, Korean Air and China Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.4
Very good
1,329 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

8.3
Very good
1,450 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Seoul. 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 from for flights from Seattle to Seoul?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Seoul. You should not have trouble finding flights to Seoul from Seattle/Tacoma Intl; the airport handles an average of 4 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 10 airlines have flights from the Seattle airport to Seoul. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Seoul for under $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Seoul for under $800. The cheapest flight booked recently is on China Eastern for just $748, but on average you can expect to pay $1,007.

  • Are there nonstop flights from Seattle to Seoul for under $900 on Cheapflights?

    Cheapflights has at least 4 direct flights from Seattle to Seoul under $900. A good price for a nonstop flight from Seattle to Seoul is less than $1,005.

  • Are there last-minute flights available from Seattle to Seoul for under $900?

    There are currently 17+ open flights from Seattle to Seoul within the next 7 days for less than $900.

  • What days are nonstop flights available from Seattle to Seoul?

    Nonstop flights can be found on the following days: Tuesday, Thursday.

  • How popular is this Seattle to Seoul flight route?

  • How many flights depart from Seattle to Seoul on average per day?

    On average 2 flights depart from Seattle to Seoul per day.
    Morning (6am - Noon) - 50% of flight departures
    Afternoon (Noon - 6pm) - 50% of flight departures

  • How long is the flight from Seattle to Seoul?

    There are many flights that can get you from Seattle to Seoul in 21h 05m. Fly via China Eastern, Air Canada, or Korean Air to get the fastest option. The distance between Seattle and Seoul is about 5232 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    China Eastern, at $748, was found to be the cheapest airline from Seattle to Seoul.Alternate airlines to your destination round-trip include Air Canada and Korean Air. China Eastern is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $472. Asiana Airlines flights start at $501 while deals on American Airlines start at $515 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Seoul consider choosing Korean Air (71%), Delta (61%) or Etihad Airways (58%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Seoul?

    Looking for the cheapest flight from Seattle to Seoul? While on average our users pay $1,842, our data indicates the cheapest price to be $417. The most popular route (Seattle/Tacoma Intl - Incheon Intl), is priced around $749.

  • What does SEA to ICN mean?

    Great question - SEA to ICN just means Seattle/Tacoma Intl Airport to Incheon Intl Airport. Now you’ll know what these unique codes when you look for flights! Seoul Gimpo Intl Airport (GMP) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Seattle to Seoul that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Seoul flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Seoul with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Seoul flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

  • Can I find deals for flights from Seattle to Seoul that allow pets onboard?

    Many airlines flying from Seattle to Seoul offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Seoul?

    Yes, you can often find last-minute deals on Seattle to Seoul flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Seoul flight deals updated?

    The Seattle to Seoul flight deals you see on this page were last updated on 10/31.

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

    Currently, October is the cheapest month in which you can book a flight from Seattle to Seoul (average of $1,161). Flying from Seattle to Seoul in June is currently the most expensive (average of $1,713). 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.

Top 10 airlines flying from Seattle to Seoul

Discover the top 10 airlines that operate flights from Seattle 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$1,248FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,441FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$856Average$945FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$856Average$1,058FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$970Average$1,093FlexibilityNo cancel feeOn-time77%
DeltaCheapest$983Average$1,457FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,037Average$1,235FlexibilityNo cancel feeOn-time74%
Asiana AirlinesCheapest$1,079Average$1,304FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,104Average$1,379FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$1,607Average$1,710FlexibilityNo cancel feeOn-time76%
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.