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Cheap flights from Oregon to Seoul from $609

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Seoul departing on 8/23. 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 Oregon to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 pm - 12:50 pm
PDX
-
GMP
30h 00m
2 stops
Multiple Airlines Logo
1:50 pm - 11:36 pm
GMP
-
PDX
25h 46m
2 stops
$1,197Multiple Airlines
Thu, May 7 - Fri, Jun 5
Multiple Airlines Logo
2:50 pm - 12:50 pm
PDX
-
GMP
30h 00m
2 stops
Multiple Airlines Logo
1:50 pm - 11:36 pm
GMP
-
PDX
25h 46m
2 stops
$1,292Multiple Airlines
Thu, May 7 - Fri, Jun 5
Japan Airlines Logo
7:20 am - 9:15 pm
PDX
-
GMP
21h 55m
2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
24h 50m
2 stops
$1,304Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:05 am - 9:15 pm
PDX
-
GMP
22h 10m
2 stops
Japan Airlines Logo
12:05 pm - 4:22 pm
GMP
-
PDX
20h 17m
2 stops
$1,344Japan Airlines
Mon, Apr 20 - Mon, May 11
China Eastern Logo
6:30 am - 11:00 am
PDX
-
GMP
36h 30m
2 stops
China Eastern Logo
8:50 pm - 4:10 pm
GMP
-
PDX
35h 20m
2 stops
$1,345China Eastern
Sat, Aug 22 - Mon, Aug 24
Japan Airlines Logo
7:20 am - 9:15 pm
PDX
-
GMP
21h 55m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,353Japan Airlines
Sun, Aug 2 - Mon, Aug 24
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
$1,354Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Multiple Airlines Logo
10:10 am - 12:55 pm
PDX
-
GMP
34h 45m
2 stops
Multiple Airlines Logo
8:10 am - 2:45 pm
GMP
-
PDX
22h 35m
2 stops
$1,355Multiple Airlines
Mon, May 4 - Mon, May 11
ANA Logo
8:15 am - 6:35 pm
BOI
-
GMP
43h 20m
2 stops
ANA Logo
12:40 pm - 4:48 pm
GMP
-
BOI
43h 08m
2 stops
$4,049ANA
Tue, Sep 15 - Tue, Sep 22
ANA Logo
8:15 am - 6:35 pm
BOI
-
GMP
43h 20m
2 stops
ANA Logo
12:40 pm - 4:48 pm
GMP
-
BOI
43h 08m
2 stops
$4,099ANA
Thu, Sep 10 - Tue, Sep 22

Japan Airlines flights from Oregon to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Oregon to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Aug 3
PDX7:20 amPortland
21h 55m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 27
GMP8:00 amSeoul Gimpo Intl
24h 50m
2 stops
PDX4:50 pmPortland
$1,304
Japan Airlines
Apr 20
PDX7:05 amPortland
22h 10m
2 stops
GMP9:15 pmSeoul Gimpo Intl
May 11
GMP12:05 pmSeoul Gimpo Intl
20h 17m
2 stops
PDX4:22 pmPortland
$1,344
Japan Airlines
Aug 2
PDX7:20 amPortland
21h 55m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 24
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,353

China Eastern flights from Oregon to Seoul Gimpo Intl Airport

Our best China Eastern deals on Oregon to Seoul Gimpo Intl Airport flight tickets
China Eastern
May 17
PDX6:50 amPortland
45h 00m
2 stops
GMP7:50 pmSeoul Gimpo Intl
Jun 1
GMP8:50 pmSeoul Gimpo Intl
35h 33m
2 stops
PDX4:23 pmPortland
$1,544
China Eastern
Sep 18
PDX6:30 amPortland
45h 20m
2 stops
GMP7:50 pmSeoul Gimpo Intl
Oct 11
GMP8:50 pmSeoul Gimpo Intl
35h 23m
2 stops
PDX4:13 pmPortland
$1,609
China Eastern
May 26
PDX6:50 amPortland
36h 10m
2 stops
GMP11:00 amSeoul Gimpo Intl
Jun 4
GMP8:50 pmSeoul Gimpo Intl
35h 33m
2 stops
PDX4:23 pmPortland
$1,689

momondo Fare Finder

 
Customize your flight search to find flights from Oregon 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 March 25, 2026.
Use the filters below to find and compare flights from Oregon 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

Thu 5/7

2:50 pm-12:50 pm

2 stops30h 00m

Seoul Gimpo Intl

Fri 6/5

1:50 pm-11:36 pm

2 stops25h 46m

$1,197

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 5/7

2:50 pm-12:50 pm

2 stops30h 00m

Seoul Gimpo Intl

Fri 6/5

1:50 pm-11:36 pm

2 stops25h 46m

$1,292

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:20 am-9:15 pm

2 stops21h 55m

Seoul Gimpo Intl

Thu 8/27

8:00 am-4:50 pm

2 stops24h 50m

$1,304
Quickest round-trip

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 4/20

7:05 am-9:15 pm

2 stops22h 10m

Seoul Gimpo Intl

Mon 5/11

12:05 pm-4:22 pm

2 stops20h 17m

$1,344

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/22

6:30 am-11:00 am

2 stops36h 30m

Seoul Gimpo Intl

Mon 8/24

8:50 pm-4:10 pm

2 stops35h 20m

$1,345

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 8/2

7:20 am-9:15 pm

2 stops21h 55m

Seoul Gimpo Intl

Mon 8/24

12:05 pm-4:50 pm

2 stops20h 45m

$1,353

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,354

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 5/4

10:10 am-12:55 pm

2 stops34h 45m

Seoul Gimpo Intl

Mon 5/11

8:10 am-2:45 pm

2 stops22h 35m

$1,355

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Tue 9/15

8:15 am-6:35 pm

2 stops43h 20m

Seoul Gimpo Intl

Tue 9/22

12:40 pm-4:48 pm

2 stops43h 08m

$4,049

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Thu 9/10

8:15 am-6:35 pm

2 stops43h 20m

Seoul Gimpo Intl

Tue 9/22

12:40 pm-4:48 pm

2 stops43h 08m

$4,099

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Oregon to Seoul Gimpo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Oregon to Seoul Gimpo Intl?

EVA Air, China Eastern, and Japan Airlines are the most popular carriers operating from Oregon to Seoul Gimpo Intl

Cheap Oregon to Seoul Gimpo Intl Airport flight deals and tips

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

Fastest flight time

19h 30m

Direct flights

None
The fastest flight from Oregon to Seoul Gimpo Intl Airport takes 19h 30m
There are no direct flights from Oregon to Seoul Gimpo Intl Airport. There are no popular flight routes from Oregon to Seoul Gimpo Intl Airport.
Search flight deals

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

    Prices for flights from Oregon to Seoul Gimpo Intl Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oregon to Seoul Gimpo Intl Airport.

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

    The necessary travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oregon to Seoul for you.

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

Yes. momondo enables you to select and highlight flights to Seoul from Oregon with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Oregon.

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

Yes momondo offers price alerts on flights to Seoul from Oregon. 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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