HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$557+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — PUS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Busan 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 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 June 12, 2025.

Round-trip from

$1,218
(Mytrip)

One-way from

$557
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$842
From Portland to Busan Gimhae
Search Deals
One-way flight from Portland to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($480 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 7/296:15 amPDX - PUS
2 stops19h 45mMultiple Airlines
Wed 8/207:35 amPUS - PDX
3 stops45h 55mMultiple Airlines
Deal found 6/11$1,218
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:40 amPDX - PUS
2 stops26h 55mDelta
Wed 8/207:00 amPUS - PDX
2 stops25h 59mDelta
Deal found 6/11$2,569

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 June 12, 2025.
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

Tue 7/29

6:15 am-6:00 pm

2 stops19h 45m

Busan Gimhae

Wed 8/20

7:35 am-1:30 pm

3 stops45h 55m

$1,218

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 7/28

12:40 am-7:35 pm

2 stops26h 55m

Busan Gimhae

Wed 8/20

7:00 am-4:59 pm

2 stops25h 59m

$2,569

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 8/3

1:25 pm-3:55 pm

3 stops58h 30m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Busan

Rainfall in Busan by month

Plan your trip to Busan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Busan ranges from 0.9 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Busan when rainfall is around 0.9 in.

Temperature in Busan by month

Plan your trip to Busan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Busan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. 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 Busan. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What is the cheapest airline to fly from Portland to Busan round-trip?

    Flying on Delta is currently your cheapest option to Busan, with prices starting at $2,569.

  • 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.

  • What is the cheapest month to book a flight from Portland to Busan?

    Currently, August is the cheapest month in which you can book a flight from Portland to Busan (average of $1,166). Flying from Portland to Busan in December is currently the most expensive (average of $2,247). 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 Portland to Busan

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Incheon Intl flights
Portland to Gimpo Intl flights
Boise to Incheon Intl flights
Boise to Gimpo Intl flights
Eugene to Incheon Intl flights
Medford to Incheon Intl flights

Top 2 airlines flying from Portland to Busan

Discover the top 2 airlines that operate flights from Portland to Busan. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$822Average$842FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$1,273Average$1,636FlexibilityNo 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.