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Gimpo Intl

$474+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,043
(Justfly.com)

One-way from

$474
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,078
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. 19% potential increase in price ($296 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 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 March 28, 2025.

This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:30 amSEA - GMP
1 stop24h 40mEVA Air
Fri 10/311:50 pmGMP - SEA
1 stop21h 20mEVA Air
Deal found 3/27$1,020
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/214:30 pmSEA - GMP
1 stop26h 35mANA
Mon 5/512:40 pmGMP - SEA
2 stops21h 53mANA
Deal found 3/27$1,172
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:25 amSEA - GMP
2 stops20h 00mMultiple Airlines
Wed 4/308:20 amGMP - SEA
2 stops26h 55mMultiple Airlines
Deal found 3/26$1,269
This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:30 pmSEA - GMP
1 stop16h 20mJapan Airlines
Tue 9/2312:05 pmGMP - SEA
1 stop14h 20mJapan Airlines
Deal found 3/26$1,327

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 March 28, 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 4/14

1:30 am-7:15 pm

1 stop25h 45m

Seoul Gimpo Intl

Sat 5/10

1:50 pm-7:30 pm

1 stop21h 40m

$1,043

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/21

4:30 pm-11:05 am

1 stop26h 35m

Seoul Gimpo Intl

Mon 5/5

12:40 pm-6:33 pm

2 stops21h 53m

$1,172

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Wed 4/23

10:25 am-10:25 pm

2 stops20h 00m

Seoul Gimpo Intl

Wed 4/30

8:20 am-7:15 pm

2 stops26h 55m

$1,269

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 4/22

8:37 am-9:50 pm

2 stops21h 13m

Seoul Gimpo Intl

Tue 4/29

7:55 am-4:40 pm

2 stops24h 45m

$1,413

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 5/1

5:13 pm-2:10 pm

2 stops28h 57m

Seoul Gimpo Intl

Fri 5/9

2:25 pm-3:58 pm

2 stops41h 33m

$1,606

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/21

2:30 pm-1:00 pm

3 stops54h 30m

$474

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/14

1:30 am-7:15 pm

1 stop25h 45m

$582

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 4/10

4:30 pm-6:35 pm

1 stop34h 05m

$692

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Thu 4/3

1:30 pm-9:50 pm

1 stop16h 20m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 28, 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 March 28, 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
1,169 reviews

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

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
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

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
1,169 reviews

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

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
829 reviews
EVA Air
8.4
Very good
1,169 reviews

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

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 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, EVA Air ($1,043), ANA ($1,172), and Japan Airlines ($1,413) 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 $582. ANA flights start at $692 while deals on Japan Airlines start at $745 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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