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Cheap flights from Portland to Seoul from $562

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Seoul departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Asiana Airlines Logo
8:10 am - 9:31 am
GMP
-
PDX
41h 21m
2 stops
$1,322Asiana Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
9:32 pm - 12:50 pm
PDX
-
GMP
23h 18m
2 stops
Multiple Airlines Logo
1:50 pm - 11:04 pm
GMP
-
PDX
26h 14m
2 stops
$1,381Multiple Airlines
Thu, Aug 27 - Sat, Dec 19
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,431Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,499Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:15 am - 9:15 pm
PDX
-
GMP
22h 00m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,503Japan Airlines
Sat, Aug 15 - Sat, Aug 22
Japan Airlines Logo
7:01 am - 9:15 pm
PDX
-
GMP
22h 14m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,517Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:01 am - 9:15 pm
PDX
-
GMP
22h 14m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,518Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,534Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:01 am - 9:15 pm
PDX
-
GMP
22h 14m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,570Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,599Japan Airlines
Mon, Aug 3 - Thu, Aug 27

Japan Airlines flights from Portland to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Portland to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Aug 3
PDX7:19 amPortland
21h 56m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 27
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,431
Japan Airlines
Aug 3
PDX7:19 amPortland
21h 56m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 27
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,499
Japan Airlines
Aug 15
PDX7:15 amPortland
22h 00m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 22
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,503

Asiana Airlines flights from Portland to Seoul Gimpo Intl Airport

Our best Asiana Airlines deals on Portland to Seoul Gimpo Intl Airport flight tickets
Asiana Airlines
Aug 24
PDX10:10 amPortland
20h 15m
2 stops
GMP10:25 pmSeoul Gimpo Intl
Aug 31
GMP8:10 amSeoul Gimpo Intl
41h 21m
2 stops
PDX9:31 amPortland
$1,322
Asiana Airlines
Jul 15
PDX10:10 amPortland
20h 15m
2 stops
GMP10:25 pmSeoul Gimpo Intl
Jul 22
GMP5:40 pmSeoul Gimpo Intl
55h 51m
2 stops
PDX9:31 amPortland
$1,607

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Seoul Gimpo Intl Airport 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, momondo users made 832,500 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from Portland to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/24

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Mon 8/31

8:10 am-9:31 am

2 stops41h 21m

$1,322

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 8/27

9:32 pm-12:50 pm

2 stops23h 18m

Seoul Gimpo Intl

Sat 12/19

1:50 pm-11:04 pm

2 stops26h 14m

$1,381
Quickest round-trip

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,431

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,499

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/15

7:15 am-9:15 pm

2 stops22h 00m

Seoul Gimpo Intl

Sat 8/22

12:05 pm-4:50 pm

2 stops20h 45m

$1,503

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,517

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,518

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,534

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,570

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,599

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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When to book flights from Portland to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Seoul Gimpo Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Seoul Gimpo Intl Airport (PDX to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Seoul Gimpo Intl Airport

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Portland to Seoul Gimpo Intl Airport takes 19h 55m
There are no direct flights from Portland to Seoul Gimpo Intl Airport. There are no popular flight routes from Portland to Seoul Gimpo Intl Airport.
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Frequently asked questions about flying from Portland to Seoul Gimpo Intl Airport

  • How far is Portland to Seoul Gimpo Intl by plane?

    The distance between Portland and Seoul Gimpo Intl is about 5253.9 mi. A reasonable flight in good conditions will take 19h 55m.

  • When did momondo last update prices for flights from Portland Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Portland Airport to Seoul Gimpo Intl Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to Seoul Gimpo Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The required travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul Gimpo Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Portland to Seoul Gimpo Intl Airport

  • How do I get Price Alerts for flights from Portland to Seoul Gimpo Intl Airport?

    Search flight deals from Portland to Seoul Gimpo Intl Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Portland to Seoul Gimpo Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Seoul?

It is quick and easy to find Portland to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from Portland to Seoul with flexible booking policies on momondo?

All flight searches from Portland to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Seoul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seoul from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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