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Gimpo Intl

$415+ Cheap flights from Seattle (SEA) to Gimpo Intl (GMP)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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Cheap flight deals from Seattle to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Gimpo Intl (GMP). 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 octubre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$883
(oojo)

One-way from

$415
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$980
Provider with most accurate pricing for Seattle/Tacoma Intl-Seoul Gimpo Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Seoul Gimpo Intl flights.
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From Seattle/Tacoma Intl to Seoul Gimpo Intl
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One-way flight from Seattle/Tacoma Intl to Seoul Gimpo Intl
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Highest demand for flights based on searches. 17% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Seattle to Gimpo Intl

Cheapest flights from Seattle to Gimpo Intl
Explore the most affordable flight options available from Seattle to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This oojo deal was found by Cheapflights users on 10/26. 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.
sáb. 12/612:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
dom. 12/148:00 amGMP - SEA
1 stop18h 50mJapan Airlines
Deal found 10/26$883
This FlightHub deal was found by Cheapflights users on 10/25. 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.
mar. 12/212:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
vie. 12/128:00 amGMP - SEA
1 stop18h 50mJapan Airlines
Deal found 10/25$902
This Expedia deal was found by Cheapflights users on 10/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:45 amSEA - GMP
2 stops20h 20mMultiple Airlines
jue. 12/1112:05 pmGMP - SEA
2 stops19h 33mMultiple Airlines
Deal found 10/26$945
This Travelocity deal was found by Cheapflights users on 10/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/88:45 amSEA - GMP
2 stops20h 20mMultiple Airlines
vie. 12/1212:05 pmGMP - SEA
2 stops21h 25mMultiple Airlines
Deal found 10/25$958
This Travelocity deal was found by Cheapflights users on 10/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:05 amSEA - GMP
2 stops23h 00mMultiple Airlines
vie. 12/1212:05 pmGMP - SEA
2 stops21h 25mMultiple Airlines
Deal found 10/25$972
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/27:57 pmSEA - GMP
2 stops33h 08mMultiple Airlines
mié. 11/512:05 pmGMP - SEA
2 stops22h 00mMultiple Airlines
Deal found 10/26$975
This oojo deal was found by Cheapflights users on 10/25. 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.
lun. 11/2412:10 amSEA - GMP
1 stop26h 05mEVA Air
vie. 12/51:50 pmGMP - SEA
1 stop21h 20mEVA Air
Deal found 10/25$1,042
This oojo deal was found by Cheapflights users on 10/27. 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.
mié. 11/2612:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
dom. 12/78:00 amGMP - SEA
2 stops42h 03mJapan Airlines
Deal found 10/27$1,052
This oojo deal was found by Cheapflights users on 10/27. 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.
mié. 11/2612:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
mié. 12/108:00 amGMP - SEA
2 stops42h 03mJapan Airlines
Deal found 10/27$1,055

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Gimpo Intl 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 octubre 27, 2025.
Use the filters below to find and compare flights from Seattle to Seoul Gimpo Intl Airport that are best for you.

Fly from

Seattle

Fly to

Gimpo Intl

Route

Depart

Return

Price

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

sáb. 12/6

12:10 pm-10:05 pm

1 stop16h 55m

Seoul Gimpo Intl

dom. 12/14

7:40 pm-2:38 pm

2 stops35h 58m

$887

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

mar. 12/2

12:10 pm-10:05 pm

1 stop16h 55m

Seoul Gimpo Intl

vie. 12/12

8:00 am-9:50 am

1 stop18h 50m

$902

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

jue. 11/27

12:10 pm-10:05 pm

1 stop16h 55m

Seoul Gimpo Intl

mar. 12/2

7:40 pm-2:36 pm

2 stops35h 56m

$1,055

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

mié. 11/26

12:10 pm-10:05 pm

1 stop16h 55m

Seoul Gimpo Intl

dom. 12/7

7:40 pm-9:50 am

1 stop31h 10m

$1,066

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

vie. 12/5

8:45 am-10:05 pm

2 stops20h 20m

Seoul Gimpo Intl

lun. 12/15

12:05 pm-9:50 am

1 stop14h 45m

$1,124

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

dom. 1/18

5:10 pm-11:20 am

2 stops25h 10m

Seoul Gimpo Intl

jue. 1/22

7:45 am-1:20 pm

1 stop22h 35m

$1,125

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

jue. 11/13

3:40 pm-11:20 am

1 stop26h 40m

Seoul Gimpo Intl

jue. 11/27

12:25 pm-1:20 pm

1 stop17h 55m

$1,161

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

jue. 12/4

10:05 am-10:30 pm

2 stops19h 25m

Seoul Gimpo Intl

jue. 12/11

7:45 am-1:20 pm

1 stop22h 35m

$1,203

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

mar. 11/25

10:05 am-10:30 pm

2 stops19h 25m

Seoul Gimpo Intl

vie. 12/5

12:25 pm-7:16 pm

2 stops23h 51m

$1,203

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

mar. 11/25

10:05 am-10:30 pm

2 stops19h 25m

Seoul Gimpo Intl

vie. 12/12

12:25 pm-7:16 pm

2 stops23h 51m

$1,203

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
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Compare providers for flights from Seattle to Gimpo Intl

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 Gimpo Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 Seattle-Seoul Gimpo Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Seoul Gimpo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Seoul Gimpo Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Gimpo Intl Airport 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 Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Seoul Gimpo Intl Airport

What is the cheapest time of day to fly from SEA to GMP?

Find hourly flight availability from Seattle to Gimpo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.

It’s typically best to fly out from Seattle to Seoul Gimpo Intl Airport in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Gimpo Intl. 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 Gimpo Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Seoul Gimpo Intl. 0 airlines have flights from Seattle/Tacoma Intl to Seoul Gimpo Intl on a regular basis. Booking flights from Seattle/Tacoma Intl to Seoul Gimpo Intl should not be difficult; the airport handles an average of 0 outbound flights to Seoul Gimpo Intl per day.

  • How long is the flight from Seattle to Seoul Gimpo Intl Airport?

    Departing from Seattle to Seoul Gimpo Intl Airport will take you 16h 55m. Airlines will cover a distance of 5182 mi.

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

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

  • How can I find direct flights from Seattle to Gimpo Intl?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Gimpo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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