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Gimpo Intl

$466+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,027
(SmartFares)

One-way from

$466
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,079
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. 18% potential increase in price ($291 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 March 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 March 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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 11/212:10 amSEA - GMP
1 stop24h 50mEVA Air
Sat 11/151:50 pmGMP - SEA
1 stop20h 50mEVA Air
Deal found 3/31$1,016
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:35 amSEA - GMP
2 stops19h 55mMultiple Airlines
Fri 10/312:25 pmGMP - SEA
2 stops20h 00mMultiple Airlines
Deal found 3/31$1,158
This oojo deal was found by Cheapflights users on 3/30. 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.
Sun 9/710:40 amPDX - GMP
2 stops19h 10mJapan Airlines
Sun 9/217:20 pmGMP - PDX
2 stops34h 24mJapan Airlines
Deal found 3/30$1,164
This Flightnetwork deal was found by Cheapflights users on 3/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/214:30 pmSEA - GMP
1 stop34h 05mANA
Mon 5/57:40 amGMP - SEA
1 stop22h 45mANA
Deal found 3/30$1,167
This oojo deal was found by Cheapflights users on 3/29. 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 9/11:30 pmSEA - GMP
1 stop16h 20mJapan Airlines
Mon 9/812:05 pmGMP - SEA
1 stop14h 20mJapan Airlines
Deal found 3/29$1,320
This Travelocity deal was found by Cheapflights users on 3/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:30 pmPDX - GMP
2 stops32h 20mMultiple Airlines
Wed 9/107:55 amGMP - PDX
2 stops24h 55mMultiple Airlines
Deal found 3/29$1,395
This FlightHub deal was found by Cheapflights users on 3/31. 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 9/289:25 amGEG - GMP
2 stops20h 25mJapan Airlines
Wed 10/1512:05 pmGMP - GEG
2 stops17h 39mJapan Airlines
Deal found 3/31$1,396
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:10 amPDX - GMP
2 stops19h 20mANA
Tue 11/1112:25 pmGMP - PDX
2 stops22h 59mANA
Deal found 3/30$1,414
This Ovago deal was found by Cheapflights users on 3/30. 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.
Wed 4/99:55 amPDX - GMP
2 stops36h 15mAir China
Tue 4/222:25 pmGMP - PDX
2 stops40h 32mAir China
Deal found 3/30$1,731
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:30 amGEG - GMP
2 stops23h 20mMultiple Airlines
Fri 10/1012:05 pmGMP - GEG
2 stops19h 11mMultiple Airlines
Deal found 3/30$1,797

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 March 31, 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

Sun 8/31

2:10 am-6:10 pm

1 stop24h 00m

Seoul Gimpo Intl

Fri 12/5

1:50 pm-6:10 pm

1 stop21h 20m

$1,027

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 9/7

10:40 am-9:50 pm

2 stops19h 10m

Seoul Gimpo Intl

Sun 9/21

7:20 pm-1:44 pm

2 stops34h 24m

$1,164

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/21

4:30 pm-6:35 pm

1 stop34h 05m

Seoul Gimpo Intl

Mon 5/5

7:40 am-2:25 pm

1 stop22h 45m

$1,167

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/28

4:30 pm-10:25 pm

1 stop13h 55m

Seoul Gimpo Intl

Fri 5/9

3:45 pm-2:25 pm

1 stop14h 40m

$1,207

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 9/1

1:30 pm-9:50 pm

1 stop16h 20m

Seoul Gimpo Intl

Mon 9/8

12:05 pm-10:25 am

1 stop14h 20m

$1,320

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

9:30 pm-9:50 pm

2 stops32h 20m

Seoul Gimpo Intl

Wed 9/10

7:55 am-4:50 pm

2 stops24h 55m

$1,395

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 8/12

7:47 am-11:05 am

2 stops35h 18m

Seoul Gimpo Intl

Tue 8/26

7:40 am-2:42 pm

2 stops47h 02m

$1,464

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Sun 4/20

6:15 am-1:05 pm

2 stops38h 50m

Seoul Gimpo Intl

Sun 4/27

8:35 am-9:43 pm

2 stops29h 08m

$1,626

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Sun 4/13

6:30 am-11:05 am

2 stops36h 35m

Seoul Gimpo Intl

Wed 4/30

7:50 pm-9:01 pm

2 stops41h 11m

$2,070

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 5/17

7:54 am-1:05 pm

2 stops37h 11m

Seoul Gimpo Intl

Sat 5/31

8:35 am-2:46 pm

2 stops22h 11m

$2,162

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 17 results
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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 March 31, 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 March 31, 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
1,170 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
831 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    $571 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 $607 and $667, 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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