Flight deals from Portland to Seoul

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Portland to Seoul

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Cheapest flights

From price

6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Portland (PDX) to Seoul (SEL) the cheapest?

Airlines adjust prices for flights from Portland to Seoul based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Portland (PDX) to Seoul (SEL) cost?

According to Trip.com's data, the lowest price is around £962.
How long is the flight from Portland (PDX) to Seoul (SEL)?

It takes about 12 hours 20 minutes to fly from Portland (PDX) to Seoul (SEL).
What is the transportation method from the main airport to downtown in Seoul?
- The distance from Incheon International Airport to downtown is about 48km, by taxi about 1 hour.
- The distance from Gimpo International Airport to downtown is about 15km, by taxi about 30 minutes.
What are the most popular airlines that fly from Portland (PDX) to Seoul (SEL)?

Airlines with flights from Portland (PDX) to Seoul (SEL): Delta Air Lines.
What's the most popular airline for direct flights from Portland (PDX) to Seoul (SEL)?

Delta Air Lines operates 1 direct flights from Portland (PDX) to Seoul (SEL).
How many airports in Seoul (SEL)?

There are 2 airport(s) in Seoul (SEL): Gimpo International Airport and Incheon International Airport.

How to find a cheap flight from Portland to Seoul

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Seoul. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Portland to Seoul.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Portland to Seoul over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sat, May 3, with one-way flights priced at just £331.

Compare cheap flight deals from Portland to Seoul across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Portland to Seoul. The cheapest airline for this route is Hawaiian Airlines.

Set up a Price Alert

By setting up a Price Alert for your journey from Portland to Seoul, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Portland to Seoul.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Portland to Seoul and snag some exclusive deals just for you.

Flight Information from Portland to Seoul

Cheapest one-way flight price	£331
Off-season travel month	February
Peak season for travel	June
Flight distance	8,457.43km
Average flight time	12 hours 20 minutes
Popular airline	American Airlines