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Gimpo Intl

$464+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$924
(FlightHub)

One-way from

$464
(Air Canada)

Popular in

June

Cheapest in

February

Average price

$1,530
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. 10% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Mon 9/17:10 amSEA - GMP
2 stops35h 50mChina Eastern
Mon 9/88:50 pmGMP - SEA
2 stops36h 09mChina Eastern
Deal found 6/10$924
This Gotogate deal was found by Cheapflights users on 6/11. 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 9/224:30 pmSEA - GMP
1 stop26h 35mANA
Mon 10/1312:40 pmGMP - SEA
1 stop17h 45mANA
Deal found 6/11$981
This Gotogate deal was found by Cheapflights users on 6/12. 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 10/211:30 pmSEA - GMP
1 stop16h 20mJapan Airlines
Tue 10/287:40 pmGMP - SEA
1 stop31h 10mJapan Airlines
Deal found 6/12$983
This oojo deal was found by Cheapflights users on 6/10. 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 10/131:30 amSEA - GMP
1 stop25h 45mEVA Air
Fri 11/281:50 pmGMP - SEA
1 stop21h 20mEVA Air
Deal found 6/10$1,019
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Fri 11/1410:00 amSEA - GMP
2 stops19h 30mMultiple Airlines
Sun 11/232:25 pmGMP - SEA
2 stops21h 01mMultiple Airlines
Deal found 6/11$1,109

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 June 12, 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

Mon 9/1

7:10 am-11:00 am

2 stops35h 50m

Seoul Gimpo Intl

Mon 9/8

8:50 pm-4:59 pm

2 stops36h 09m

$924

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 9/22

4:30 pm-11:05 am

1 stop26h 35m

Seoul Gimpo Intl

Mon 10/13

12:40 pm-2:25 pm

1 stop17h 45m

$981

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 10/21

1:30 pm-9:50 pm

1 stop16h 20m

Seoul Gimpo Intl

Tue 10/28

7:40 pm-10:50 am

1 stop31h 10m

$983

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 10/13

1:30 am-7:15 pm

1 stop25h 45m

Seoul Gimpo Intl

Fri 11/28

1:50 pm-6:10 pm

1 stop21h 20m

$1,019

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Fri 11/14

10:00 am-10:30 pm

2 stops19h 30m

Seoul Gimpo Intl

Sun 11/23

2:25 pm-6:26 pm

2 stops21h 01m

$1,109

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 9/1

10:00 am-9:35 pm

2 stops19h 35m

$464

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Sun 9/14

1:30 pm-9:50 pm

1 stop16h 20m

$505

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 10/20

1:30 am-7:15 pm

1 stop25h 45m

$568

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 8/7

4:30 pm-11:05 am

1 stop26h 35m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 2025.

It’s typically best to fly out from Seattle to Seoul Gimpo Intl Airport in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Gimpo Intl by month

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

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport 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 Gimpo Intl Airport when rainfall is around 1.1 in.

Temperature in Gimpo Intl by month

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

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, 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 Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. 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 Gimpo Intl. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with EVA Air, Japan Airlines and ANA from Seattle to Seoul to help guide your decision. 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
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Japan Airlines
8.3
Very good
1,490 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Eastern
7.2
Good
150 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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.

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

    According to our current data, China Eastern ($924), EVA Air ($1,089), and ANA ($1,164) offers the cheapest pricing from Seattle to Seoul Gimpo Intl Airport.

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

    To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $575. Japan Airlines flights start at $600 while deals on ANA start at $610 one-way.

  • 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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