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Cheap flights from Portland to Seoul from $545

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 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Multiple Airlines Logo
7:45 pm - 10:25 pm
PDX
-
GMP
34h 40m
2 stops
Multiple Airlines Logo
8:10 am - 2:51 pm
GMP
-
PDX
22h 41m
2 stops
$1,000Multiple Airlines
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Multiple Airlines Logo
3:00 pm - 9:31 am
GMP
-
PDX
34h 31m
2 stops
$1,110Multiple Airlines
Wed, Sep 9 - Tue, Sep 22
Multiple Airlines Logo
10:10 am - 9:25 pm
PDX
-
GMP
19h 15m
2 stops
Multiple Airlines Logo
8:10 am - 2:45 pm
GMP
-
PDX
22h 35m
2 stops
$1,262Multiple Airlines
Wed, May 13 - Tue, Jun 9
Multiple Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Multiple Airlines Logo
7:15 pm - 4:50 pm
GMP
-
PDX
37h 35m
2 stops
$1,299Multiple Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
24h 50m
2 stops
$1,316Japan Airlines
Fri, Sep 18 - Wed, Sep 23
Japan Airlines Logo
7:15 am - 9:15 pm
PDX
-
GMP
22h 00m
2 stops
Japan Airlines Logo
7:15 pm - 4:50 pm
GMP
-
PDX
37h 35m
2 stops
$1,350Japan Airlines
Sat, Aug 1 - Mon, Aug 31
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
24h 50m
2 stops
$1,363Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,371Japan Airlines
Wed, Oct 7 - Wed, Oct 28
Japan Airlines Logo
7:15 am - 9:15 pm
PDX
-
GMP
22h 00m
2 stops
Japan Airlines Logo
12:05 pm - 9:14 pm
GMP
-
PDX
25h 09m
2 stops
$1,389Japan Airlines
Sat, Aug 1 - Mon, Aug 31
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,392Japan Airlines
Mon, Apr 27 - Wed, May 13

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
Sep 18
PDX7:00 amPortland
22h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 23
GMP8:00 amSeoul Gimpo Intl
24h 50m
2 stops
PDX4:50 pmPortland
$1,316
Japan Airlines
Aug 21
PDX7:00 amPortland
22h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 1
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,350
Japan Airlines
Aug 21
PDX7:00 amPortland
22h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 1
GMP8:00 amSeoul Gimpo Intl
24h 50m
2 stops
PDX4:50 pmPortland
$1,363

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 April 12, 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

Tue 9/1

7:45 pm-10:25 pm

2 stops34h 40m

Seoul Gimpo Intl

Thu 9/10

8:10 am-2:51 pm

2 stops22h 41m

$1,000

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 9/9

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Tue 9/22

3:00 pm-9:31 am

2 stops34h 31m

$1,110
Quickest round-trip

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 5/13

10:10 am-9:25 pm

2 stops19h 15m

Seoul Gimpo Intl

Tue 6/9

8:10 am-2:45 pm

2 stops22h 35m

$1,262

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/1

7:15 pm-4:50 pm

2 stops37h 35m

$1,299

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 9/18

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Wed 9/23

8:00 am-4:50 pm

2 stops24h 50m

$1,316

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/1

7:15 am-9:15 pm

2 stops22h 00m

Seoul Gimpo Intl

Mon 8/31

7:15 pm-4:50 pm

2 stops37h 35m

$1,350

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/1

8:00 am-4:50 pm

2 stops24h 50m

$1,363

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 10/7

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Wed 10/28

12:05 pm-4:50 pm

2 stops20h 45m

$1,371

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/1

7:15 am-9:15 pm

2 stops22h 00m

Seoul Gimpo Intl

Mon 8/31

12:05 pm-9:14 pm

2 stops25h 09m

$1,389

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 4/27

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Wed 5/13

12:05 pm-4:50 pm

2 stops20h 45m

$1,392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

21h 15m

Direct flights

None
The fastest flight from Portland to Seoul Gimpo Intl Airport takes 21h 15m
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 21h 15m.

  • 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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