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Cheap flights from Oregon to Seoul from $585

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 8/15. 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
7:45 pm - 1:10 pmPDX  Portland-GMP Seoul Gimpo Intl
49h 25m2 stops Vancouver Intl Osaka Kansai Intl
Multiple Airlines Logo
5:40 pm - 2:51 pmGMP  Seoul Gimpo Intl-PDX Portland
37h 11m2 stops Osaka Kansai Intl Vancouver Intl
$1,160Multiple Airlines
Sun, Sep 13 - Mon, Oct 19
Multiple Airlines Logo
7:37 pm - 7:15 pmPDX  Portland-GMP Seoul Gimpo Intl
31h 38m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:50 pm - 11:02 pmGMP  Seoul Gimpo Intl-PDX Portland
25h 12m2 stops Taipei City Sung Shan Seattle/Tacoma Intl
$1,182Multiple Airlines
Mon, Oct 19 - Fri, Oct 30
Japan Airlines Logo
7:03 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
22h 12m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
12:05 pm - 4:50 pmGMP  Seoul Gimpo Intl-PDX Portland
20h 45m2 stops Tokyo Haneda San Francisco
$1,182Japan Airlines
Wed, Aug 19 - Wed, Sep 2
Japan Airlines Logo
7:03 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
22h 12m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
8:00 am - 4:50 pmGMP  Seoul Gimpo Intl-PDX Portland
24h 50m2 stops Tokyo Haneda San Francisco
$1,182Japan Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
9:32 pm - 7:15 pmPDX  Portland-GMP Seoul Gimpo Intl
29h 43m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:50 pm - 9:56 pmGMP  Seoul Gimpo Intl-PDX Portland
24h 06m2 stops Taipei City Sung Shan Seattle/Tacoma Intl
$1,182Multiple Airlines
Mon, Sep 28 - Sat, Oct 3
Japan Airlines Logo
7:18 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
21h 57m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
12:05 pm - 4:44 pmGMP  Seoul Gimpo Intl-PDX Portland
20h 39m2 stops Tokyo Haneda San Francisco
$1,194Japan Airlines
Mon, Oct 19 - Mon, Oct 26
Japan Airlines Logo
7:03 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
22h 12m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
12:05 pm - 1:50 pmGMP  Seoul Gimpo Intl-PDX Portland
17h 45m2 stops Tokyo Haneda San Francisco
$1,231Japan Airlines
Tue, Sep 1 - Thu, Oct 1
Japan Airlines Logo
7:03 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
22h 12m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
8:00 am - 4:50 pmGMP  Seoul Gimpo Intl-PDX Portland
24h 50m2 stops Tokyo Haneda San Francisco
$1,233Japan Airlines
Wed, Sep 2 - Sat, Sep 12
Japan Airlines Logo
7:01 am - 9:15 pmPDX  Portland-GMP Seoul Gimpo Intl
22h 14m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
12:05 pm - 4:50 pmGMP  Seoul Gimpo Intl-PDX Portland
20h 45m2 stops Tokyo Haneda San Francisco
$1,233Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Multiple Airlines Logo
6:47 pm - 5:55 pmBOI  Boise Air Term. Gowen Fld-GMP Seoul Gimpo Intl
32h 08m2 stops Los Angeles Tokyo Haneda
Multiple Airlines Logo
8:00 am - 12:33 pmGMP  Seoul Gimpo Intl-BOI Boise Air Term. Gowen Fld
19h 33m2 stops Tokyo Haneda Los Angeles
$1,628Multiple Airlines
Mon, Sep 21 - Wed, Sep 30

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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
Aug 19
PDX7:03 amPortland
22h 12m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 2
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,182
Japan Airlines
Oct 19
PDX7:18 amPortland
21h 57m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Oct 26
GMP12:05 pmSeoul Gimpo Intl
20h 39m
2 stops
PDX4:44 pmPortland
$1,194
Japan Airlines
Sep 1
PDX7:03 amPortland
22h 12m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Oct 1
GMP12:05 pmSeoul Gimpo Intl
17h 45m
2 stops
PDX1:50 pmPortland
$1,231

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
$1,723
ANA
Nov 27
PDX10:00 amPortland
19h 30m
2 stops
GMP10:30 pmSeoul Gimpo Intl
Dec 6
GMP7:45 amSeoul Gimpo Intl
27h 46m
2 stops
PDX6:31 pmPortland
$1,775
ANA
Oct 25
PDX10:00 amPortland
20h 30m
2 stops
GMP10:30 pmSeoul Gimpo Intl
Nov 7
GMP12:25 pmSeoul Gimpo Intl
23h 06m
2 stops
PDX6:31 pmPortland
$1,794

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 6, 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 Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Sun 9/13

7:45 pm-1:10 pm

2 stops49h 25m

Seoul Gimpo Intl

Mon 10/19

5:40 pm-2:51 pm

2 stops37h 11m

$1,160

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Mon 10/19

7:37 pm-7:15 pm

2 stops31h 38m

Seoul Gimpo Intl

Fri 10/30

1:50 pm-11:02 pm

2 stops25h 12m

$1,182

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Wed 8/19

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Wed 9/2

12:05 pm-4:50 pm

2 stops20h 45m

$1,182

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Wed 9/2

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Wed 9/9

8:00 am-4:50 pm

2 stops24h 50m

$1,182

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Mon 9/28

9:32 pm-7:15 pm

2 stops29h 43m

Seoul Gimpo Intl

Sat 10/3

1:50 pm-9:56 pm

2 stops24h 06m

$1,182

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Mon 10/19

7:18 am-9:15 pm

2 stops21h 57m

Seoul Gimpo Intl

Mon 10/26

12:05 pm-4:44 pm

2 stops20h 39m

$1,194
Quickest round-trip

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Tue 9/1

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Thu 10/1

12:05 pm-1:50 pm

2 stops17h 45m

$1,231

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

PDXGMP

Portland

Wed 9/2

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Sat 9/12

8:00 am-4:50 pm

2 stops24h 50m

$1,233

PortlandSeoul

PDX Portland - GMP Seoul Gimpo Intl

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

$1,233

BoiseSeoul

BOI Boise Air Term. Gowen Fld - GMP Seoul Gimpo Intl

BOIGMP

Boise Air Term. Gowen Fld

Mon 9/21

6:47 pm-5:55 pm

2 stops32h 08m

Seoul Gimpo Intl

Wed 9/30

8:00 am-12:33 pm

2 stops19h 33m

$1,628

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 15h 21m on average. Another popular route from Oregon to Seoul Gimpo Intl Airport is flying from Eugene to Incheon Intl Airport, which will take roughly 15h 35m. 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.
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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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Find better results for your trip to Seoul

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Popular flights according to clicks in the last 7 days on momondo
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