HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oregon

$419+ Cheap flights from South Korea to Oregon

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — PDX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Korea to Oregon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Korea to Oregon

Cheapest flights from South Korea to Oregon
Explore the most affordable flight options available from South Korea to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This WhyPayMore deal was found by Cheapflights users on 1/28. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:55 pm
ICN
-
PDX
1 stop31h 20m
Air Canada
Wed 5/277:45 pm
PDX
-
ICN
1 stop28h 20m
Air Canada
Deal found 1/28$506
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:10 pm
ICN
-
PDX
2 stops17h 30m
Multiple Airlines
Mon 3/239:50 am
PDX
-
ICN
1 stop14h 25m
Multiple Airlines
Deal found 1/28$530
This WhyPayMore deal was found by Cheapflights users on 1/27. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:55 pm
ICN
-
PDX
1 stop16h 35m
Air Canada
Mon 3/29:50 am
PDX
-
ICN
1 stop14h 20m
Air Canada
Deal found 1/27$533
This Air Canada deal was found by Cheapflights users on 1/27. 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 5/195:45 pm
ICN
-
PDX
1 stop17h 20m
Air Canada
Tue 6/210:10 am
PDX
-
ICN
1 stop13h 55m
Air Canada
Deal found 1/27$537
This Air Canada deal was found by Cheapflights users on 1/28. 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 2/246:55 pm
ICN
-
PDX
1 stop16h 35m
Air Canada
Thu 5/283:25 pm
PDX
-
ICN
1 stop32h 40m
Air Canada
Deal found 1/28$539
This Air Canada deal was found by Cheapflights users on 1/28. 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 10/275:55 pm
ICN
-
PDX
1 stop12h 45m
Air Canada
Thu 10/297:10 pm
PDX
-
ICN
1 stop29h 00m
Air Canada
Deal found 1/28$543
This Air Canada deal was found by Cheapflights users on 1/28. 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 2/246:55 pm
ICN
-
PDX
1 stop31h 20m
Air Canada
Mon 5/2510:10 am
PDX
-
ICN
2 stops34h 40m
Air Canada
Deal found 1/28$545
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Fri 4/245:45 pm
ICN
-
PDX
1 stop12h 55m
Multiple Airlines
Tue 6/3010:10 am
PDX
-
ICN
2 stops20h 05m
Multiple Airlines
Deal found 1/27$551
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:50 pm
ICN
-
PDX
2 stops22h 15m
Multiple Airlines
Tue 6/210:10 am
PDX
-
ICN
1 stop13h 55m
Multiple Airlines
Deal found 1/28$552
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:10 pm
ICN
-
PDX
2 stops17h 30m
Multiple Airlines
Sun 3/227:05 pm
PDX
-
ICN
1 stop29h 10m
Multiple Airlines
Deal found 1/28$558
This WhyPayMore deal was found by Cheapflights users on 1/27. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:35 pm
ICN
-
PDX
1 stop20h 34m
Hawaiian Airlines
Fri 2/69:10 am
PDX
-
ICN
1 stop16h 25m
Hawaiian Airlines
Deal found 1/27$595
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:30 am
ICN
-
MFR
1 stop16h 18m
United Airlines
Mon 4/276:31 pm
MFR
-
ICN
1 stop17h 49m
United Airlines
Deal found 1/28$645

Find flight deals from South Korea to Oregon

Keep the following information in mind while searching for South Korea to Oregon flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$506
(WhyPayMore)

One-way from

$419
(Alaska Airlines)

Popular in

July

Cheapest in

November

Average price

$823
Provider with most accurate pricing for Seoul (SEL)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Portland flights.
Search Deals
From South Korea to Oregon
Search Deals
One-way flight from South Korea to Oregon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to Oregon 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 January 29, 2026.
Use the filters below to find and compare flights from South Korea to Oregon that are best for you.

Fly from

South Korea

Fly to

Oregon

Route

Depart

Return

Price

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/23

8:35 pm-1:37 pm

2 stops34h 02m

Portland

Fri 3/6

3:52 pm-6:35 pm

1 stop33h 43m

$598

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 4/7

7:00 pm-11:59 pm

1 stop20h 59m

Portland

Tue 4/21

6:05 pm-4:50 pm

1 stop30h 45m

$611

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 3/4

7:15 pm-11:44 pm

2 stops21h 29m

Portland

Sun 3/15

11:59 pm-3:55 pm

1 stop23h 56m

$620

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 2/21

8:35 pm-10:56 am

2 stops31h 21m

Portland

Sat 2/28

7:57 pm-6:35 pm

1 stop29h 38m

$636

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 3/5

6:55 pm-2:40 pm

1 stop12h 45m

Portland

Sun 3/22

7:05 pm-4:15 pm

1 stop29h 10m

$639

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 3/4

12:45 pm-9:15 pm

2 stops25h 30m

Portland

Tue 3/17

7:30 am-3:15 pm

1 stop15h 45m

$640

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 2/12

7:15 pm-8:44 pm

2 stops42h 29m

Portland

Tue 2/24

11:35 pm-4:45 pm

2 stops48h 10m

$641

IncheonMedford

ICN - MFR

ICNMFR

Incheon Intl

Thu 4/23

11:30 am-11:48 am

1 stop16h 18m

Medford

Mon 4/27

6:31 pm-4:20 am

1 stop17h 49m

$645

BusanPortland

PUS - PDX

PUSPDX

Busan Gimhae

Sun 3/8

7:20 am-1:40 pm

2 stops23h 20m

Portland

Mon 3/30

3:15 pm-7:20 am

2 stops48h 05m

$803

BusanPortland

PUS - PDX

PUSPDX

Busan Gimhae

Thu 2/12

7:20 am-6:30 pm

2 stops28h 10m

Portland

Mon 2/23

9:50 am-4:45 pm

2 stops37h 55m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 49 results
1
2
3
...
5

Best time to book a flight from South Korea to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from South Korea 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 South Korea to Oregon

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

Currently, November is the cheapest month in which you can book a flight from South Korea to Oregon (average of $349). Flying from South Korea to Oregon in August is currently the most expensive (average of $779). 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 KR to OR?

Find hourly flight availability from South Korea to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 43% on flights from South Korea to Oregon by exploring options for tickets in the morning.

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

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

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

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oregon. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from South Korea to Oregon, such as Korean Air, Delta, and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,188 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,127 reviews
Korean Air
8.4
Very good
1,188 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,667 reviews
Korean Air
8.4
Very good
1,188 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from South Korea to Oregon. 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 South Korea to Oregon?

    A quick flight from South Korea to Oregon can take about 16h 18m. Delta provides one of the quickest options available for as low as $645. The distance from South Korea to Oregon 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 South Korea to Oregon one-way?

    $469 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from $486 and $585, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Korea to Oregon 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 South Korea to Oregon?

    Currently, November is the cheapest month in which you can book a flight from South Korea to Oregon (average of $349). Flying from South Korea to Oregon in August is currently the most expensive (average of $779). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Korea to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to John F Kennedy Intl flights
Mumbai to John F Kennedy Intl flights
Incheon Intl to Los Angeles flights
Haneda to Los Angeles flights
New Delhi to San Francisco flights
Mumbai to Newark flights
New Delhi to Newark flights
Narita to Los Angeles flights
Hyderabad to Dallas/Fort Worth flights
Haneda to John F Kennedy Intl flights
Mumbai to San Francisco flights
Incheon Intl to San Francisco flights
New Delhi to John F Kennedy Intl flights
Taiwan Taoyuan Intl to Seattle flights
Taiwan Taoyuan Intl to San Francisco flights
Narita to Honolulu flights
Incheon Intl to LaGuardia flights
Incheon Intl to Newark flights
Manila to Los Angeles flights
Haneda to Honolulu flights
Haneda to Newark flights
Hyderabad to O'Hare Intl flights
Hyderabad to Dulles Intl flights
Incheon Intl to Honolulu flights
Ahmedabad to John F Kennedy Intl flights
Narita to Newark flights
Hyderabad to San Francisco flights
Hongqiao Intl to San Francisco flights
Manila to San Francisco flights
Suvarnabhumi to Seattle flights
Hyderabad to John F Kennedy Intl flights
Suvarnabhumi to Los Angeles flights
Mumbai to LaGuardia flights
Haneda to Dallas/Fort Worth flights
Singapore to John F Kennedy Intl flights
New Delhi to Seattle flights
Narita to Dallas/Fort Worth flights
Pu Dong to San Francisco flights
Narita to John F Kennedy Intl flights
Taiwan Taoyuan Intl to John F Kennedy Intl flights
New Delhi to O'Hare Intl flights
Chennai to Atlanta flights
Hyderabad to Baltimore flights
Haneda to San Francisco flights
Hyderabad to Reagan-National flights
Hyderabad to Newark flights
Hongqiao Intl to Seattle flights
Gimpo Intl to John F Kennedy Intl flights
Incheon Intl to Seattle flights
Taiwan Taoyuan Intl to Dallas/Fort Worth flights

Top 3 airlines flying from South Korea to Oregon

Discover the top 3 airlines that operate flights from South Korea to Oregon. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$474Average$741FlexibilityNo cancel feeOn-time67%
DeltaCheapest$635Average$1,030FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$662Average$928FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.