Cheap flights from Portland to Seoul from $422
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Seoul departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Portland to Seoul
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seoul?
The month of January is another great option to travel to Seoul, with average flight prices from Portland averaging around $980.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Thursday is the cheapest day to fly to Seoul from Portland. The lowest ticket price found for a Thursday departure recently was $1,190. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,498.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,565 per ticket.
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,182 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Portland for as low as $989 on momondo.
What is the cheapest airline that flies from Portland to Seoul?
WestJet is the most popular carrier operating from Portland to Seoul
What airlines fly to Seoul?
Air Canada, Delta and Korean Air are the top three most popular airlines that fly to Seoul from Portland according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 6 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland to Seoul
Cheap Portland to Seoul (PDX to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Seoul
How far is Portland to Seoul by plane?
There are 5247.7 mi between Portland and Seoul. Flights usually cover this in 14h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Seoul?
Prices for flights from Portland Airport to Seoul were last updated today.
How many operators does momondo search for flights from Portland Airport to Seoul?
As of July 2025, there are 6 operators available to choose from for flights from Portland Airport to Seoul.
How old do you have to be to fly from Portland Airport to Seoul?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland to Seoul?
momondo data reveals that the most frequently booked airline on the route from Portland to Seoul is Air Canada, representing 46% of all bookings. The subsequent popular airlines are Delta at 25%, Korean Air at 20%, and United Airlines at 9%.
Best airlines flying from Portland to Seoul
Compare and see reviews for airlines that fly from Portland to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $403 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $809 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $849 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $907 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $912 | Free Cancellation | Rating 8.2 452 reviews | |||
| PriceFrom $1,082 | Free Cancellation | Rating 8.4 1,101 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Seoul?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Seoul. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Seoul with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seoul from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Seoul?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Seoul.
I’m not ready to book a flight from Portland to Seoul right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seoul from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.