Cheap Flights from Portland (PDX) to Seoul (SELA)

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Find the cheapest month or even day of the year to fly to Seoul

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Flight deals from Portland to Seoul

Looking for a cheap last-minute deal or the best return flight from Portland to Seoul? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Seoul flights are currently cheapest in January.

Alternative Portland to Seoul routes

Looking for the cheapest, fastest or easiest route from Portland to Seoul? You could fly into the following airports instead.

Portland to Seoul: Flight information

The things to know before you go.
Cheapest flight found£575
Cheapest month to flyApril

Finding cheap flights from Portland to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Portland to Seoul is £575. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Seoul. But we found flights with one or more stops from £575.
As of January 2026, there are no flights flying from Portland to Seoul.
The cheapest month to fly from Portland to Seoul is usually April.
If you're flying from Portland Airport, the cheapest airport near Seoul is Incheon International – which is 29.7 miles away from the centre of Seoul. We've found flights into this airport from £575.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Seoul on Wednesday, 29 April 2026.
No airlines currently offer direct flights between Portland Airport and Seoul. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around -4°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Air Canada offers the cheapest flight tickets to Seoul.

Travelling from Portland International Airport (PDX) to Seoul: what you need to know

  • Seoul is 16 hours ahead of Portland, where Portland International Airport is located. Seoul observes the UTC+9 timezone.

  • Give yourself plenty of time to get on your PDX to Seoul flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • If you're flying during a bank holiday or another peak period, give yourself extra time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • We make it a breeze to book plane tickets from PDX to Seoul with a stopover. To see all the options, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Top stopovers include:

    • Seattle-Tacoma International Airport (SEA)

    • San Francisco International Airport (SFO)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Travelling from central Portland to PDX takes around 45 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 6 miles in 20 minutes or so, depending on traffic.

  • Searching for a hotel close to PDX? If you're catching an early flight from Portland International Airport to Seoul, these stays put the terminal practically at your doorstep:

  • 83.65% of flights leaving Portland International Airport reach their destination on time. Given its strong performance rating, delays are unlikely when flying out of PDX.

  • PDX is located at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Seoul

  • The best price we've seen for a one-way Portland International Airport to Seoul flight is £310. The cheapest price for a return flight is £575. Bear in mind fares can change due to availability at the time of booking.

  • Booking early is often the key to securing a cheap flight from PDX to Seoul. Airlines adjust prices based on demand, so the nearer you get to departure, the more it could cost you.

  • Landing cheap tickets from Portland International Airport to Seoul is easier if you can be flexible with your trip dates. Try using the 'Whole month' tool to access the lowest prices across the month and score a fantastic deal.

  • Stay on top of deals for cheap flights from PDX to Seoul by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Tailor your trip with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Portland International Airport to Seoul.

Airports in Seoul

Incheon International Airport (ICN)

  • Central Seoul is roughly 30 miles from Incheon International Airport (ICN). How long it takes to drive there will vary based on time of day and traffic conditions, so do a little research before your trip.

  • It typically takes 1 hour 45 minutes if you're using public transport.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Portland International Airport to Seoul. Book one of these accommodation options near ICN instead:

  • Pick up an Incheon International Airport rental car and discover Seoul and beyond with your own wheels. WECAR, Hi Rent A Car and Alamo are top outlets you can book with here.

  • Lock in the best rate by booking your vehicle from Incheon International Airport around four weeks before your flight from PDX to Seoul.

Gimpo International Airport (GMP)

  • Central Seoul is around 10 miles from Gimpo International Airport (GMP). Step off your flight from Portland International Airport to Seoul and then look for any airport signs directing you to the city centre.

  • The journey will take about 1 hour 5 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near GMP. Here are a few options where you can tuck yourself in after your PDX to Seoul flight:

  • GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make collecting a Gimpo International Airport rental car quick and easy. These suppliers are located in or around the terminal and will have you behind the wheel before you know it.

  • Score the best price by securing your ride from GMP one week in advance. You'll also have access to a wider range of vehicles.

Best time to go to Seoul

  • Visit Seoul in high season if you prefer a bustling atmosphere, but remember that prices may be higher. Alternatively, book your flights from Portland International Airport to Seoul in the off-season when prices are cheaper and it's quieter.

  • Lock in a Portland International Airport to Seoul plane ticket with a departure in August if you're eager to explore the city during its warmest month. Expect temperatures to range from 19ºC (66ºF) to 32ºC (90ºF).

  • Search for cheap tickets from PDX to Seoul in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

More about Seoul

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Seoul right here. Check out these options as soon as you've booked your flight from Portland International Airport to Seoul:

  • There are so many things to see and do in this city it can be hard to figure out where to begin. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are top sights which should be on any good Seoul itinerary.

Explore more of South Korea

  • Busan is just one of the many places in South Korea waiting to be explored once you've taken in the sights of Seoul. Around 200 miles away to the south-east, its best attractions include Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • Around 150 miles south-east of Seoul, Daegu is another essential stop in South Korea. Start your sightseeing at Duryu Park People's Garden, E-World and Apsan Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.