$424+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Jan 17 — Jan 241
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Gimpo Intl
Cheapest flights from Washington to Gimpo IntlExplore 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 December 18, 2025.
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 December 18, 2025.
This Japan Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/178:45 amSEA - GMP
2 stops20h 20mJapan Airlines
Wed 12/248:00 amGMP - SEA
1 stop18h 50mJapan Airlines
Deal found 12/16![Japan Airlines logo]()
$1,760
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Fri 12/263:40 pmSEA - GMP
1 stop33h 55mANA
Mon 12/2912:25 pmGMP - SEA
1 stop17h 55mANA
Deal found 12/16![ANA logo]()
$1,804
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:05 amSEA - GMP
2 stops19h 25mMultiple Airlines
Wed 1/78:00 amGMP - SEA
2 stops27h 05mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$1,882
This oojo deal was found by Cheapflights users on 12/17. 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.
Thu 12/1811:30 amSEA - GMP
2 stops41h 35mJapan Airlines
Thu 12/258:00 amGMP - SEA
1 stop18h 50mJapan Airlines
Deal found 12/17![Japan Airlines logo]()
$1,885
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/243:40 pmSEA - GMP
1 stop33h 55mANA
Sat 12/2712:25 pmGMP - SEA
1 stop17h 55mANA
Deal found 12/16![ANA logo]()
$2,014
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/2412:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
Fri 12/2612:05 pmGMP - SEA
1 stop14h 45mJapan Airlines
Deal found 12/16![Japan Airlines logo]()
$2,075
This oojo deal was found by Cheapflights users on 12/15. 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.
Fri 12/2612:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
Sun 1/257:40 pmGMP - SEA
2 stops38h 07mJapan Airlines
Deal found 12/15![Japan Airlines logo]()
$2,130
This oojo deal was found by Cheapflights users on 12/15. 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 12/217:09 amSEA - GMP
2 stops21h 56mJapan Airlines
Tue 12/2312:05 pmGMP - SEA
1 stop14h 45mJapan Airlines
Deal found 12/15![Japan Airlines logo]()
$2,132
This Ovago deal was found by Cheapflights users on 12/17. 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 12/313:45 pmSEA - GMP
1 stop26h 35mANA
Wed 1/712:25 pmGMP - SEA
1 stop17h 55mANA
Deal found 12/17![ANA logo]()
$2,175
This oojo deal was found by Cheapflights users on 12/15. 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.
Fri 12/2612:10 pmSEA - GMP
1 stop16h 55mJapan Airlines
Sun 12/287:40 pmGMP - SEA
1 stop31h 10mJapan Airlines
Deal found 12/15![Japan Airlines logo]()
$2,238
This Orbitz deal was found by Cheapflights users on 12/17. 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 12/247:15 amPDX - GMP
2 stops21h 50mMultiple Airlines
Wed 12/317:50 pmGMP - PDX
2 stops39h 40mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$2,622
This Ovago deal was found by Cheapflights users on 12/17. 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 12/247:15 amPDX - GMP
2 stops21h 50mJapan Airlines
Wed 1/77:40 pmGMP - PDX
2 stops39h 12mJapan Airlines
Deal found 12/17![Japan Airlines logo]()
$2,637
Find 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 December 18, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $882 (FlightHub) |
One-way from | $424 (FlightHub) |
Popular in | June |
Cheapest in | November |
Average price | $1,092 |
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 December 18, 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
PortlandSeoul
PDX - GMP
PDXGMP
Portland
Wed 1/14
7:20 am-10:05 pm
2 stops21h 45m
Seoul Gimpo Intl
Wed 1/21
12:05 pm-12:38 pm
2 stops17h 33m
$882
PortlandSeoul
PDX - GMP
PDXGMP
Portland
Tue 1/20
7:20 am-10:05 pm
2 stops21h 45m
Seoul Gimpo Intl
Thu 2/5
8:00 am-4:50 pm
2 stops25h 50m
$884
PortlandSeoul
PDX - GMP
PDXGMP
Portland
Fri 1/30
7:20 am-10:05 pm
2 stops21h 45m
Seoul Gimpo Intl
Fri 2/6
8:00 am-4:50 pm
2 stops25h 50m
$904
PortlandSeoul
PDX - GMP
PDXGMP
Portland
Thu 1/15
7:20 am-10:05 pm
2 stops21h 45m
Seoul Gimpo Intl
Thu 1/22
12:05 pm-4:50 pm
2 stops21h 45m
$905
SeattleSeoul
SEA - GMP
SEAGMP
Seattle/Tacoma Intl
Wed 1/14
11:43 am-10:05 pm
2 stops41h 22m
Seoul Gimpo Intl
Wed 1/21
8:00 am-4:42 pm
2 stops25h 42m
$910
SeattleSeoul
SEA - GMP
SEAGMP
Seattle/Tacoma Intl
Wed 1/14
11:43 am-10:05 pm
2 stops41h 22m
Seoul Gimpo Intl
Wed 1/28
8:00 am-4:42 pm
2 stops25h 42m
$910
PortlandSeoul
PDX - GMP
PDXGMP
Portland
Mon 1/12
7:20 am-10:05 pm
2 stops21h 45m
Seoul Gimpo Intl
Mon 1/19
7:40 pm-4:50 pm
2 stops38h 10m
$912
SeattleSeoul
SEA - GMP
SEAGMP
Seattle/Tacoma Intl
Tue 2/3
8:25 am-10:05 pm
2 stops20h 40m
Seoul Gimpo Intl
Tue 2/17
7:40 pm-4:04 pm
2 stops37h 24m
$952
SpokaneSeoul
GEG - GMP
GEGGMP
Spokane
Thu 1/29
6:50 am-10:05 pm
2 stops22h 15m
Seoul Gimpo Intl
Thu 2/5
8:00 am-3:25 pm
2 stops24h 25m
$961
SeattleSeoul
SEA - GMP
SEAGMP
Seattle/Tacoma Intl
Sat 1/24
11:43 am-10:05 pm
2 stops41h 22m
Seoul Gimpo Intl
Mon 2/2
12:05 pm-4:47 pm
2 stops21h 42m
$967
Showing 1-10 of 49 results
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 December 18, 2025.
It’s optimal to fly from State of Washington to Seoul Gimpo Intl Airport in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.