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$526+ Cheap flights from Portland (PDX) to Busan (PUS)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — PUS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Portland to Busan

Cheapest flights from Portland to Busan
Explore the most affordable flight options available from Portland to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This China Eastern deal was found by Cheapflights users on 1/19. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:15 am
PDX
-
PUS
2 stops42h 35m
China Eastern
Fri 3/135:50 pm
PUS
-
PDX
2 stops38h 53m
China Eastern
Deal found 1/19$1,119
This Gurufare deal was found by Cheapflights users on 1/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:48 pm
PDX
-
PUS
2 stops44h 47m
Multiple Airlines
Fri 3/65:50 pm
PUS
-
PDX
2 stops55h 45m
Multiple Airlines
Deal found 1/20$1,252
This Korean Air deal was found by Cheapflights users on 1/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:58 pm
PDX
-
PUS
2 stops20h 12m
Korean Air
Fri 3/134:10 pm
PUS
-
PDX
2 stops23h 34m
Korean Air
Deal found 1/20$1,288
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:51 pm
PDX
-
PUS
2 stops27h 34m
Asiana Airlines
Tue 2/38:30 pm
PUS
-
PDX
2 stops39h 26m
Asiana Airlines
Deal found 1/21$1,773

Find flight deals from Portland to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,119
(China Eastern)
Provider with most accurate pricing for Portland-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Busan Gimhae flights.
Search Deals
From Portland to Busan Gimhae
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Busan 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 21, 2026.
Use the filters below to find and compare flights from Portland to Busan that are best for you.

Fly from

Portland

Fly to

Busan

Route

Depart

Return

Price

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 3/9

6:15 am-4:50 pm

2 stops42h 35m

Busan Gimhae

Fri 3/13

5:50 pm-4:43 pm

2 stops38h 53m

$1,119

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 2/27

9:48 pm-11:35 am

2 stops44h 47m

Busan Gimhae

Fri 3/6

5:50 pm-8:35 am

2 stops55h 45m

$1,252

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 3/9

7:58 pm-8:10 am

2 stops20h 12m

Busan Gimhae

Fri 3/13

4:10 pm-11:44 pm

2 stops23h 34m

$1,288

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 2/1

7:51 pm-4:25 pm

2 stops27h 34m

Busan Gimhae

Tue 2/3

8:30 pm-6:56 pm

2 stops39h 26m

$1,773

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 2/1

7:51 pm-3:15 pm

2 stops26h 24m

$901

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 2/1

6:25 am-4:50 pm

2 stops41h 25m

$4,249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Compare providers for flights from Portland to Busan

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Busan in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Busan flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Portland 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.

Related info for your journey

Find useful and relevant information for your journey from Portland to Busan. 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 Portland to Busan?

    For as low as $4,619, China Eastern can have you in Busan from Portland in 19h 30m. Airlines will cover a distance of 5294 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portland to Busan that include hotel bookings?

    Yes. In addition to deals on Portland to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Busan?

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

  • Can I find deals for business class flights from Portland to Busan?

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

See more FAQs

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