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Gimpo Intl

$534+ Cheap flights from Washington 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Washington to Gimpo Intl

Keep the following information in mind while searching for Washington to Gimpo Intl flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,008
(Trip.com)

One-way from

$534
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,109
Provider with most accurate pricing for Seattle/Tacoma Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Seoul (SEL) flights.
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From Washington to Seoul Gimpo Intl
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One-way flight from Washington to Seoul Gimpo Intl
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Highest demand for flights based on searches. 19% potential increase in price ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Washington to Gimpo Intl

Cheapest flights from Washington to Gimpo Intl
Explore the most affordable flight options available from Washington to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Trip.com deal was found by Cheapflights users on 4/21. 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.
Thu 8/74:30 pmSEA - GMP
1 stop26h 35mANA
Mon 11/37:45 amGMP - SEA
1 stop22h 35mANA
Deal found 4/21$1,008
This oojo deal was found by Cheapflights users on 4/22. 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 9/71:30 amSEA - GMP
1 stop24h 40mEVA Air
Wed 9/178:20 pmGMP - SEA
2 stops32h 32mEVA Air
Deal found 4/22$1,051
This Gotogate deal was found by Cheapflights users on 4/23. 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 9/164:30 pmSEA - GMP
1 stop26h 35mMultiple Airlines
Tue 9/238:20 amGMP - SEA
2 stops21h 56mMultiple Airlines
Deal found 4/23$1,102
This oojo deal was found by Cheapflights users on 4/23. 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 9/97:00 amPDX - GMP
2 stops22h 50mJapan Airlines
Wed 9/1712:05 pmGMP - PDX
2 stops20h 45mJapan Airlines
Deal found 4/23$1,173
This oojo deal was found by Cheapflights users on 4/23. 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 5/66:55 pmPDX - GMP
2 stops49h 55mEVA Air
Wed 5/148:20 pmGMP - PDX
2 stops31h 32mEVA Air
Deal found 4/23$1,187
This Orbitz deal was found by Cheapflights users on 4/23. 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.
Wed 7/167:00 amPDX - GMP
2 stops22h 50mMultiple Airlines
Tue 8/197:55 amGMP - PDX
2 stops24h 55mMultiple Airlines
Deal found 4/23$1,311
This Japan Airlines deal was found by Cheapflights users on 4/22. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:37 amSEA - GMP
2 stops21h 13mJapan Airlines
Mon 9/2212:05 pmGMP - SEA
1 stop14h 20mJapan Airlines
Deal found 4/22$1,366
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 5/66:05 amPDX - GMP
2 stops36h 55mChina Eastern
Tue 5/138:50 pmGMP - PDX
2 stops35h 18mChina Eastern
Deal found 4/23$1,468
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Wed 5/77:54 amPDX - GMP
2 stops22h 26mANA
Tue 5/137:40 amGMP - PDX
2 stops23h 14mANA
Deal found 4/23$1,616
This Travelocity deal was found by Cheapflights users on 4/23. 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.
Mon 9/151:23 pmGEG - GMP
2 stops40h 27mMultiple Airlines
Tue 9/237:55 amGMP - GEG
2 stops20h 50mMultiple Airlines
Deal found 4/23$1,627
This Air China deal was found by Cheapflights users on 4/23. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:54 amPDX - GMP
2 stops38h 16mAir China
Wed 5/148:35 amGMP - PDX
2 stops25h 38mAir China
Deal found 4/23$1,990

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 April 24, 2025.
Use the filters below to find and compare flights from Washington to Seoul Gimpo Intl Airport that are best for you.

Fly from

Washington

Fly to

Gimpo Intl

Route

Depart

Return

Price

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 8/7

4:30 pm-11:05 am

1 stop26h 35m

Seoul Gimpo Intl

Mon 11/3

7:45 am-1:20 pm

1 stop22h 35m

$1,008

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Sun 9/7

1:30 am-6:10 pm

1 stop24h 40m

Seoul Gimpo Intl

Wed 9/17

8:20 pm-12:52 pm

2 stops32h 32m

$1,051

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 9/16

4:30 pm-11:05 am

1 stop26h 35m

Seoul Gimpo Intl

Tue 9/23

8:20 am-2:16 pm

2 stops21h 56m

$1,102

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 9/9

7:00 am-9:50 pm

2 stops22h 50m

Seoul Gimpo Intl

Wed 9/17

12:05 pm-4:50 pm

2 stops20h 45m

$1,173

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 5/6

6:55 pm-12:50 pm

2 stops49h 55m

Seoul Gimpo Intl

Wed 5/14

8:20 pm-11:52 am

2 stops31h 32m

$1,187

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 9/11

8:37 am-9:50 pm

2 stops21h 13m

Seoul Gimpo Intl

Sun 9/21

7:20 pm-2:56 pm

2 stops35h 36m

$1,309

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 7/16

7:00 am-9:50 pm

2 stops22h 50m

Seoul Gimpo Intl

Tue 8/19

7:55 am-4:50 pm

2 stops24h 55m

$1,311

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 5/6

6:05 am-11:00 am

2 stops36h 55m

Seoul Gimpo Intl

Tue 5/13

8:50 pm-4:08 pm

2 stops35h 18m

$1,468

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 5/7

7:54 am-10:20 pm

2 stops22h 26m

Seoul Gimpo Intl

Tue 5/13

7:40 am-2:54 pm

2 stops23h 14m

$1,616

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Mon 9/15

1:23 pm-9:50 pm

2 stops40h 27m

Seoul Gimpo Intl

Tue 9/23

7:55 am-12:45 pm

2 stops20h 50m

$1,627

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 19 results
1
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Best time to book a flight from Washington to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Washington 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 Washington to Seoul Gimpo Intl Airport

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

Find hourly flight availability from Washington 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 April 24, 2025.

When flying from State of Washington to Seoul Gimpo Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 24, 2025.
See what other customers who have flown with EVA Air, Japan Airlines and ANA from Washington to Seoul have to say. 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.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,453 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
853 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Eastern
7.2
Good
144 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Washington 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 are the cheapest airlines to fly from State of Washington to Seoul Gimpo Intl Airport one-way?

    $579 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on ANA and Japan Airlines, with prices starting from $603 and $659, respectively.

  • What are the most popular routes from State of Washington to Seoul Gimpo Intl Airport?

    When deciding which route to take from State of Washington to Seoul Gimpo Intl Airport consider Seattle/Tacoma Intl - Seoul Gimpo Intl, Portland - Seoul Gimpo Intl or Spokane - Seoul Gimpo Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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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