Cheap Flights from Seoul (GMP) to Seattle (SEA) from HK$4,588~

View HK$4,588 flight on Tue, 23 Dec 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Seattle-Tacoma International Airport (SEA)

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Find Cheap Flights from Seoul (GMP) to Seattle (SEA)

Prices were available within the past 7 days and start at HK$4,588 for one-way flights and HK$6,927 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, 21 Jan - Tue, 3 Feb
GMP
Seoul
SEA
Seattle
HK$6,927 Return, found 6 hours ago
HK$6,927
Return
found 6 hours ago
Select All Nippon Airways flight, departing Wed, 21 Jan from Seoul to Seattle, returning Tue, 3 Feb, priced at HK$6,927 found 6 hours ago
All Nippon Airways
Tue, 10 Feb - Tue, 17 Feb
GMP
Seoul
SEA
Seattle
HK$7,008 Return, found 2 days ago
HK$7,008
Return
found 2 days ago
Select All Nippon Airways flight, departing Tue, 10 Feb from Seoul to Seattle, returning Tue, 17 Feb, priced at HK$7,008 found 2 days ago
All Nippon Airways
Sat, 5 Sept - Mon, 5 Oct
GMP
Seoul
SEA
Seattle
HK$7,390 Return, found 1 day ago
HK$7,390
Return
found 1 day ago
Select All Nippon Airways flight, departing Sat, 5 Sept from Seoul to Seattle, returning Mon, 5 Oct, priced at HK$7,390 found 1 day ago
All Nippon Airways
Thu, 19 Feb - Sun, 1 Mar
GMP
Seoul
SEA
Seattle
HK$7,408 Return, found 2 days ago
HK$7,408
Return
found 2 days ago
Select All Nippon Airways flight, departing Thu, 19 Feb from Seoul to Seattle, returning Sun, 1 Mar, priced at HK$7,408 found 2 days ago
All Nippon Airways
Wed, 21 Jan - Tue, 3 Feb
GMP
Seoul
SEA
Seattle
HK$7,457 Return, found 6 hours ago
HK$7,457
Return
found 6 hours ago
Select All Nippon Airways flight, departing Wed, 21 Jan from Seoul to Seattle, returning Tue, 3 Feb, priced at HK$7,457 found 6 hours ago
All Nippon Airways
Tue, 10 Feb - Tue, 17 Feb
GMP
Seoul
SEA
Seattle
HK$7,538 Return, found 2 days ago
HK$7,538
Return
found 2 days ago
Select All Nippon Airways flight, departing Tue, 10 Feb from Seoul to Seattle, returning Tue, 17 Feb, priced at HK$7,538 found 2 days ago
Asiana Airlines
Sat, 5 Sept - Mon, 5 Oct
GMP
Seoul
SEA
Seattle
HK$9,258 Return, found 1 day ago
HK$9,258
Return
found 1 day ago
Select Asiana Airlines flight, departing Sat, 5 Sept from Seoul to Seattle, returning Mon, 5 Oct, priced at HK$9,258 found 1 day ago
Jeju Air
Wed, 10 Dec - Sat, 13 Dec
GMP
Seoul
SEA
Seattle
HK$11,088 Return, found 2 days ago
HK$11,088
Return
found 2 days ago
Select Jeju Air flight, departing Wed, 10 Dec from Seoul to Seattle, returning Sat, 13 Dec, priced at HK$11,088 found 2 days ago
Japan Airlines
Tue, 10 Feb - Tue, 17 Feb
GMP
Seoul
SEA
Seattle
HK$11,366 Return, found 2 days ago
HK$11,366
Return
found 2 days ago
Select Japan Airlines flight, departing Tue, 10 Feb from Seoul to Seattle, returning Tue, 17 Feb, priced at HK$11,366 found 2 days ago
Air China
Wed, 18 Mar - Sat, 21 Mar
GMP
Seoul
SEA
Seattle
HK$11,726 Return, found 2 days ago
HK$11,726
Return
found 2 days ago
Select Air China flight, departing Wed, 18 Mar from Seoul to Seattle, returning Sat, 21 Mar, priced at HK$11,726 found 2 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from HK$12,986
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from HK$12,986
Seoul to Seattle route information
Origin airport
Gimpo Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
All Nippon Airways, Japan Airlines
Return price
HK$6,927
Distance
8297 km

Flights from Seoul to Seattle

Book cheap flights from Seoul (GMP) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seoul (GMP) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seoul (GMP) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$4,588 now!

 

Frequently asked questions

How much is a flight from Gimpo Intl. Airport (GMP) to Seattle - Tacoma Intl. Airport (SEA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from Gimpo Intl. Airport (GMP) to Seattle - Tacoma Intl. Airport (SEA) was HK$6,927. Great fares don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gimpo Intl. Airport (GMP) to SEA?
Most flights can be canceled online, but each airline has different terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Gimpo Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Gimpo Airport to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Gimpo Intl. Airport (GMP) to SEA?
With a flight distance of 8,400 kilometers from Gimpo Airport to SEA, this is a long-haul journey. Remember to keep well hydrated and take a short walk down the aisle every now and then.
Which airlines fly direct from Gimpo Airport to Seattle - Tacoma Intl. Airport (SEA)?
There are no direct flights, so you'll have to make at least one stop between GMP and Seattle - Tacoma Intl. Airport (SEA). Make the most of the layover time to stretch your legs and enjoy some personal space.
Are Gimpo Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some of the cheapest fares from GMP to Sea-Tac Airport surfacing a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance.

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