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South Korea

$475+ Cheap flights from Oregon to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
May 4 — May 111
Mon 5/4
Mon 5/11
1 adult, Economy
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Cheap flight deals from Oregon to South Korea

Cheapest flights from Oregon to South Korea
Explore the most affordable flight options available from Oregon to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.

This Air Canada deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:05 am
PDX
-
ICN
1 stop14h 05m
Air Canada
Mon 11/236:55 pm
ICN
-
PDX
1 stop12h 45m
Air Canada
Deal found 4/2$906
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:05 am
PDX
-
ICN
1 stop14h 05m
Air Canada
Mon 11/166:55 pm
ICN
-
PDX
1 stop16h 35m
Air Canada
Deal found 3/31$907
This lol.travel deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:50 am
PDX
-
ICN
1 stop14h 15m
Air Canada
Wed 5/135:45 pm
ICN
-
PDX
1 stop13h 00m
Air Canada
Deal found 4/2$935
This Priceline deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:15 pm
PDX
-
ICN
1 stop32h 50m
Multiple Airlines
Tue 6/92:50 pm
ICN
-
PDX
2 stops20h 20m
Multiple Airlines
Deal found 4/1$939
This Travelocity deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:45 pm
PDX
-
ICN
1 stop28h 20m
Air Canada
Fri 10/165:45 pm
ICN
-
PDX
1 stop17h 21m
Air Canada
Deal found 4/2$944
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Wed 5/271:55 am
ICN
-
PDX
2 stops23h 35m
Multiple Airlines
Deal found 3/31$945
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:27 pm
PDX
-
ICN
1 stop17h 48m
Multiple Airlines
Mon 5/119:00 pm
ICN
-
PDX
1 stop14h 34m
Multiple Airlines
Deal found 3/30$947
This Justfly.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:06 pm
EUG
-
ICN
1 stop19h 24m
Multiple Airlines
Sat 9/512:40 pm
ICN
-
EUG
1 stop19h 49m
Multiple Airlines
Deal found 3/31$948
This SmartFares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:37 pm
PDX
-
ICN
1 stop18h 53m
Multiple Airlines
Thu 8/278:50 pm
ICN
-
PDX
1 stop16h 00m
Multiple Airlines
Deal found 3/31$950
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:35 pm
PDX
-
ICN
1 stop18h 55m
Multiple Airlines
Fri 9/48:50 pm
ICN
-
PDX
1 stop16h 00m
Multiple Airlines
Deal found 3/29$957
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:10 am
PDX
-
ICN
1 stop28h 35m
Multiple Airlines
Thu 9/38:50 pm
ICN
-
PDX
1 stop16h 00m
Multiple Airlines
Deal found 3/29$962
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:45 pm
PDX
-
ICN
2 stops26h 20m
Multiple Airlines
Mon 9/211:55 am
ICN
-
PDX
2 stops28h 56m
Multiple Airlines
Deal found 3/30$963

Find flight deals from Oregon to South Korea

Keep the following information in mind while searching for Oregon to South Korea flight deals. Data was last updated April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$906
(Air Canada)

One-way from

$475
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$919
Provider with most accurate pricing for Portland-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Seoul (SEL) flights.
Search Deals
From Oregon to South Korea
Search Deals
One-way flight from Oregon to South Korea
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to South Korea 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, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from Oregon to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/19

7:05 pm-2:05 pm

2 stops27h 00m

Incheon Intl

Sat 5/2

5:45 pm-7:10 pm

1 stop17h 25m

$1,072

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 9/16

3:08 pm-11:00 am

2 stops27h 52m

Incheon Intl

Wed 9/30

12:00 pm-11:33 am

2 stops39h 33m

$1,105

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/10

5:49 pm-5:00 am

1 stop19h 11m

Incheon Intl

Mon 5/18

9:20 pm-11:44 pm

1 stop18h 24m

$1,117

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/7

7:50 pm-11:00 am

2 stops23h 10m

Incheon Intl

Fri 9/25

12:00 pm-8:50 pm

2 stops24h 50m

$1,127

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 5/4

7:11 am-6:10 am

2 stops30h 59m

Busan Gimhae

Tue 5/12

9:30 am-1:50 pm

2 stops44h 20m

$1,160

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 8/23

9:29 pm-6:10 pm

2 stops28h 41m

Seoul Gimpo Intl

Sat 8/29

1:50 pm-10:58 pm

2 stops25h 08m

$1,161

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 5/15

2:33 pm-7:45 am

2 stops25h 12m

Busan Gimhae

Fri 5/22

4:30 pm-9:28 pm

2 stops20h 58m

$1,162

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sat 8/22

5:06 pm-11:00 am

2 stops25h 54m

Incheon Intl

Sat 9/5

12:00 pm-9:19 am

2 stops37h 19m

$1,183

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 4/23

6:00 am-5:30 pm

1 stop20h 30m

Incheon Intl

Wed 4/29

7:35 pm-11:59 pm

1 stop19h 24m

$1,226
Quickest round-trip

MedfordIncheon

MFR - ICN

MFRICN

Medford

Sun 9/6

6:00 am-3:00 pm

1 stop17h 00m

Incheon Intl

Wed 9/9

11:30 am-12:02 pm

1 stop16h 32m

$1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to South Korea

What is the cheapest month to book a flight from Oregon to South Korea?

Currently, April is the cheapest month in which you can book a flight from Oregon to South Korea (average of $791). Flying from Oregon to South Korea in July is currently the most expensive (average of $1,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to KR?

Find hourly flight availability from Oregon to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 54% on flights from Oregon to South Korea by exploring options for tickets in the evening.

What is the cheapest day to fly from Oregon to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Oregon to South Korea. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Oregon to South Korea flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Oregon to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to South Korea?

    Departing from Oregon to South Korea will take you 22h 14m. The distance between Oregon and South Korea is about 5407 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Oregon to South Korea one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $59. Frontier flights start at $92 while deals on Delta start at $109 one-way.

  • Can I find deals for flights from Oregon to South Korea that include hotel bookings?

    Yes. In addition to deals on Oregon to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to South Korea.

  • Can I find deals for business class flights from Oregon to South Korea?

    Yes. Cheapflights offers flight deals from Oregon to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to South Korea?

    Currently, April is the cheapest month in which you can book a flight from Oregon to South Korea (average of $791). Flying from Oregon to South Korea in July is currently the most expensive (average of $1,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oregon to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Oregon to South Korea

Discover the top 6 airlines that operate flights from Oregon to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$791Average$1,135FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$815Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,315FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$881Average$1,139FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$910Average$1,090FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,082Average$1,496FlexibilityNo cancel feeOn-time81%

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