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Cheap flights from Oregon to Seoul from $518

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 9/9. 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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Cheap round-trip flights

Japan Airlines Logo
7:00 am - 10:20 pmPDX-GMP
22h 20m2 stops
Japan Airlines Logo
7:50 am - 4:28 pmGMP-PDX
25h 38m2 stops
$1,021Japan Airlines
Find Deal
Tue, Jan 20 - Thu, Feb 5
Logo
10:05 am - 10:25 pmPDX-GMP
20h 20m2 stops
Logo
1:05 pm - 2:46 pmGMP-PDX
17h 41m2 stops
$1,074
Find Deal
Mon, Sep 1 - Mon, Sep 22
Logo
10:05 am - 10:25 pmPDX-GMP
20h 20m2 stops
Logo
2:25 pm - 6:46 pmGMP-PDX
20h 21m2 stops
$1,100
Find Deal
Mon, Sep 1 - Tue, Sep 16
Logo
10:05 am - 9:35 pmPDX-GMP
19h 30m2 stops
Logo
2:25 pm - 11:01 pmGMP-PDX
24h 36m2 stops
$1,101
Find Deal
Mon, Sep 1 - Tue, Sep 16
Logo
10:05 am - 10:25 pmPDX-GMP
20h 20m2 stops
Logo
2:25 pm - 2:46 pmGMP-PDX
40h 21m2 stops
$1,103
Find Deal
Mon, Sep 1 - Mon, Sep 22
Logo
10:05 am - 9:35 pmPDX-GMP
19h 30m2 stops
Logo
2:25 pm - 11:01 pmGMP-PDX
24h 36m2 stops
$1,104
Find Deal
Mon, Sep 1 - Tue, Sep 16
Japan Airlines Logo
8:31 am - 9:50 pmPDX-GMP
21h 19m2 stops
Japan Airlines Logo
7:55 am - 9:16 pmGMP-PDX
29h 21m2 stops
$1,112Japan Airlines
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Mon, Sep 8 - Wed, Sep 17
EVA Air Logo
9:50 pm - 6:00 pmPDX-GMP
51h 10m2 stops
EVA Air Logo
1:50 pm - 10:24 pmGMP-PDX
25h 34m2 stops
$1,205EVA Air
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Sat, Jan 10 - Fri, Jan 23
ANA Logo
9:52 am - 10:20 pmBOI-GMP
45h 28m2 stops
ANA Logo
7:40 am - 4:58 pmGMP-BOI
48h 18m2 stops
$2,169ANA
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Fri, Sep 5 - Mon, Sep 15
ANA Logo
9:45 am - 6:35 pmBOI-GMP
41h 50m2 stops
ANA Logo
7:40 am - 4:58 pmGMP-BOI
48h 18m2 stops
$2,219ANA
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Fri, Sep 26 - Fri, Oct 3

ANA flights from Oregon to Seoul Gimpo Intl Airport

Our best ANA deals on Oregon to Seoul Gimpo Intl Airport flight tickets
ANA
Sep 5
BOI9:52 amBoise Air Term. Gowen Fld
45h 28m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Sep 15
GMP7:40 amSeoul Gimpo Intl
48h 18m
2 stops
BOI4:58 pmBoise Air Term. Gowen Fld
$2,169
Find similar
ANA
Sep 26
BOI9:45 amBoise Air Term. Gowen Fld
41h 50m
2 stops
GMP6:35 pmSeoul Gimpo Intl
Oct 3
GMP7:40 amSeoul Gimpo Intl
48h 18m
2 stops
BOI4:58 pmBoise Air Term. Gowen Fld
$2,219
Find similar
ANA
Oct 20
PDX9:55 amPortland
33h 10m
2 stops
GMP11:05 amSeoul Gimpo Intl
Nov 14
GMP7:45 amSeoul Gimpo Intl
27h 45m
2 stops
PDX6:30 pmPortland
$5,657
Find similar

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
Jan 20
PDX7:00 amPortland
22h 20m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Feb 5
GMP7:50 amSeoul Gimpo Intl
25h 38m
2 stops
PDX4:28 pmPortland
$1,021
Find similar
Japan Airlines
Sep 8
PDX8:31 amPortland
21h 19m
2 stops
GMP9:50 pmSeoul Gimpo Intl
Sep 17
GMP7:55 amSeoul Gimpo Intl
29h 21m
2 stops
PDX9:16 pmPortland
$1,112
Find similar
Japan Airlines
Jan 20
PDX7:00 amPortland
22h 20m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Feb 5
GMP12:05 pmSeoul Gimpo Intl
21h 23m
2 stops
PDX4:28 pmPortland
$1,123
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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 August 14, 2025.
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

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:00 am-10:20 pm

2 stops22h 20m

Seoul Gimpo Intl

Thu 2/5

7:50 am-4:28 pm

2 stops25h 38m

$1,021

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-10:25 pm

2 stops20h 20m

Seoul Gimpo Intl

Mon 9/22

1:05 pm-2:46 pm

2 stops17h 41m

$1,074

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-10:25 pm

2 stops20h 20m

Seoul Gimpo Intl

Tue 9/16

2:25 pm-6:46 pm

2 stops20h 21m

$1,100

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-9:35 pm

2 stops19h 30m

Seoul Gimpo Intl

Tue 9/16

2:25 pm-11:01 pm

2 stops24h 36m

$1,101

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-10:25 pm

2 stops20h 20m

Seoul Gimpo Intl

Mon 9/22

2:25 pm-2:46 pm

2 stops40h 21m

$1,103

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-9:35 pm

2 stops19h 30m

Seoul Gimpo Intl

Tue 9/16

2:25 pm-11:01 pm

2 stops24h 36m

$1,104

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/8

8:31 am-9:50 pm

2 stops21h 19m

Seoul Gimpo Intl

Wed 9/17

7:55 am-9:16 pm

2 stops29h 21m

$1,112

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 1/10

9:50 pm-6:00 pm

2 stops51h 10m

Seoul Gimpo Intl

Fri 1/23

1:50 pm-10:24 pm

2 stops25h 34m

$1,205

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Fri 9/5

9:52 am-10:20 pm

2 stops45h 28m

Seoul Gimpo Intl

Mon 9/15

7:40 am-4:58 pm

2 stops48h 18m

$2,169

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Fri 9/26

9:45 am-6:35 pm

2 stops41h 50m

Seoul Gimpo Intl

Fri 10/3

7:40 am-4:58 pm

2 stops48h 18m

$2,219

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?

Japan Airlines is the most popular carrier 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

Best Price Found

$518

Fastest flight time

18h 20m

Direct flights

None
The best one-way flight to Seoul Gimpo Intl Airport from Oregon in the past 72 hours is $518. The best round-trip flight deal from Oregon to Seoul Gimpo Intl Airport found on momondo in the last 72 hours is $1,021.
The fastest flight from Oregon to Seoul Gimpo Intl Airport takes 18h 20m
There are no direct flights from Oregon to Seoul Gimpo Intl Airport. Popular non-direct routes for this connection are Portland Airport - Seoul Gimpo Intl Airport, Eugene Airport - Seoul Gimpo Intl Airport and Boise Air Term. Gowen Fld Airport - Seoul Gimpo Intl Airport.
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  • 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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