South Korea

$431+ Cheap flights from Seattle (SEA) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Seattle to South Korea

Cheapest flights from Seattle to South Korea
Explore the most affordable flight options available from Seattle to South Korea. 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 Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:20 pmSEA - CJU
2 stops49h 30mChina Eastern
Sun 12/223:40 pmCJU - SEA
2 stops40h 55mChina Eastern
Deal found 10/31$1,016
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

Find flights from Seattle to South Korea within your budget

Customize your flight search to find flights from Seattle 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 2,570,725 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 44 results
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Best time to book a flight from Seattle to South Korea

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

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

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

Currently, October is the cheapest month in which you can book a flight from Seattle to South Korea (average of $1,161). Flying from Seattle to South Korea 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 KR?

Find hourly flight availability from Seattle 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 October 31, 2024.

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

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 October 31, 2024.
To help decide which airline to fly from Seattle to South Korea, see what other customers have to say about Air Canada, Korean Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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

Overall

8.5

Boarding

8.5

Crew

8.7

Food

8.1

Entertainment

8.2

Comfort

8.3

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 South Korea. 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 South Korea?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to South Korea from Seattle.

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

    Yes, there are multiple flights from Seattle to South Korea for under $800. The cheapest flight booked recently is on China Eastern for just $748, but on average you can expect to pay $975.

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

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

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

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

  • What days are nonstop flights available from Seattle to South Korea?

    Nonstop flights are available for this route on the following days: Tuesday, Thursday.

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

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

    Per day, 2 flights depart from Seattle to South Korea on average.
    Morning (6am - Noon) - 50% of flight departures
    Afternoon (Noon - 6pm) - 50% of flight departures

  • How long is the flight from Seattle to South Korea?

    A quick flight from Seattle to South Korea can take about 21h 05m. China Eastern provides one of the quickest options available for as low as $748. There are 5232 mi between Seattle and South Korea. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $472 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 Asiana Airlines and American Airlines, with prices starting from $501 and $515, respectively.

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

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

    The top 3 most reliable airlines when flying from Seattle to South Korea are Korean Air (71%), Delta (61%) and Etihad Airways (58%).

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

    The cheapest flight price from Seattle to South Korea is $417. On average you can expect to pay $1,842. The most popular route, (Seattle/Tacoma Intl - Incheon Intl), can usually be booked for $749.

  • What does SEA to ICN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Incheon Intl Airport flight would often be abbreviated as a SEA to ICN flight. Busan Gimhae Airport (PUS), Cheongju Airport (CJJ), Daegu Airport (TAE), Seoul Gimpo Intl Airport (GMP), Jeju City Airport (CJU) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your Seattle to South Korea 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 South Korea with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to South Korea 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 South Korea that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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

    Many airlines flying from Seattle to South Korea 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 South Korea?

    Yes, you can often find last-minute deals on Seattle to South Korea 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 South Korea flight deals updated?

    The Seattle to South Korea 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 South Korea?

    Currently, October is the cheapest month in which you can book a flight from Seattle to South Korea (average of $1,161). Flying from Seattle to South Korea 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

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Alternative routes for Seattle to South Korea

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

Top 10 airlines flying from Seattle to South Korea

Discover the top 10 airlines that operate flights from Seattle 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 2,570,725 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%
DeltaCheapest$809Average$1,469FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$856Average$948FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$856Average$1,058FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$970Average$1,093FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$991Average$1,629FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,037Average$1,235FlexibilityNo cancel feeOn-time74%
Asiana AirlinesCheapest$1,079Average$1,304FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$1,607Average$1,710FlexibilityNo cancel feeOn-time76%
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