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Cheap flights from Oregon to Seoul from $647

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 8/26. 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

Find the cheapest flights from Oregon to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Multiple Airlines Logo
8:10 am - 7:11 pm
GMP
-
PDX
27h 01m
2 stops
$1,338Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Japan Airlines Logo
7:03 am - 9:15 pm
PDX
-
GMP
22h 12m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,340Japan Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Multiple Airlines Logo
8:10 am - 7:11 pm
GMP
-
PDX
27h 01m
2 stops
$1,349Multiple Airlines
Wed, Aug 26 - Mon, Aug 31
Japan Airlines Logo
7:15 am - 10:05 pm
PDX
-
GMP
22h 50m
2 stops
Japan Airlines Logo
12:05 pm - 4:34 pm
GMP
-
PDX
21h 29m
2 stops
$1,362Japan Airlines
Mon, Oct 26 - Mon, Nov 9
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
$1,391Japan 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
$1,396Japan Airlines
Tue, Aug 18 - Tue, Aug 25
Japan Airlines Logo
7:15 am - 10:05 pm
PDX
-
GMP
22h 50m
2 stops
Japan Airlines Logo
8:00 am - 4:34 pm
GMP
-
PDX
25h 34m
2 stops
$1,411Japan Airlines
Tue, Oct 27 - Tue, Nov 10
Japan Airlines Logo
7:01 am - 9:15 pm
PDX
-
GMP
22h 14m
2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
24h 50m
2 stops
$1,415Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Multiple Airlines Logo
8:57 am - 9:15 pm
BOI
-
GMP
21h 18m
2 stops
Multiple Airlines Logo
12:05 pm - 9:20 pm
GMP
-
BOI
24h 15m
2 stops
$1,538Multiple Airlines
Mon, Oct 19 - Sat, Oct 31
ANA Logo
10:35 am - 10:20 pm
BOI
-
GMP
20h 45m
2 stops
ANA Logo
8:10 am - 4:44 pm
GMP
-
BOI
23h 34m
2 stops
$7,653ANA
Mon, Jul 20 - Tue, Aug 4

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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
Sep 2
PDX7:03 amPortland
22h 12m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 30
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,340
Japan Airlines
Oct 26
PDX7:15 amPortland
22h 50m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Nov 9
GMP12:05 pmSeoul Gimpo Intl
21h 29m
2 stops
PDX4:34 pmPortland
$1,362
Japan Airlines
Aug 21
PDX7:01 amPortland
22h 14m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 1
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,391

ANA flights from Oregon to Seoul Gimpo Intl Airport

Our best ANA deals on Oregon to Seoul Gimpo Intl Airport flight tickets
ANA
Oct 27
PDX10:00 amPortland
20h 30m
2 stops
GMP10:30 pmSeoul Gimpo Intl
Nov 10
GMP12:25 pmSeoul Gimpo Intl
23h 06m
2 stops
PDX6:31 pmPortland
$1,731
ANA
Jul 2
PDX8:35 amPortland
21h 45m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Jul 7
GMP7:40 amSeoul Gimpo Intl
25h 07m
2 stops
PDX4:47 pmPortland
$2,061
ANA
Jun 28
PDX8:35 amPortland
42h 00m
2 stops
GMP6:35 pmSeoul Gimpo Intl
Jul 7
GMP12:40 pmSeoul Gimpo Intl
22h 31m
2 stops
PDX7:11 pmPortland
$2,083

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 June 26, 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

Wed 8/19

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Sat 8/29

8:10 am-7:11 pm

2 stops27h 01m

$1,338

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 9/2

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Wed 9/30

12:05 pm-4:50 pm

2 stops20h 45m

$1,340

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 8/26

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Mon 8/31

8:10 am-7:11 pm

2 stops27h 01m

$1,349

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 10/26

7:15 am-10:05 pm

2 stops22h 50m

Seoul Gimpo Intl

Mon 11/9

12:05 pm-4:34 pm

2 stops21h 29m

$1,362

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

$1,391
Quickest round-trip

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 8/18

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Tue 8/25

12:05 pm-4:50 pm

2 stops20h 45m

$1,396

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 10/27

7:15 am-10:05 pm

2 stops22h 50m

Seoul Gimpo Intl

Tue 11/10

8:00 am-4:34 pm

2 stops25h 34m

$1,411

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

8:00 am-4:50 pm

2 stops24h 50m

$1,415

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Mon 10/19

8:57 am-9:15 pm

2 stops21h 18m

Seoul Gimpo Intl

Sat 10/31

12:05 pm-9:20 pm

2 stops24h 15m

$1,538

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Mon 7/20

10:35 am-10:20 pm

2 stops20h 45m

Seoul Gimpo Intl

Tue 8/4

8:10 am-4:44 pm

2 stops23h 34m

$7,653

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

How long does it take to fly to Seoul Gimpo Intl Airport?

Flight times from Oregon to Seoul Gimpo Intl Airport vary, but if you’re flying out of Portland and flying into Incheon Intl Airport (one of the most popular routes), then the duration is 13h 35m on average. Another popular route from Oregon to Seoul Gimpo Intl Airport is flying from Eugene to Incheon Intl Airport, which will take roughly 17h. Keep in mind that layovers or delays could extend your travel time.

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 15m

Direct flights

None
The fastest flight from Oregon to Seoul Gimpo Intl Airport takes 19h 15m
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

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

  • 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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