Cheap flights from Portland to Seoul from $433
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 11/7. 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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Fly from
Fly to
Route
Depart
Return
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 11/3
7:00 am-5:10 pm
1 stop17h 10m
Incheon Intl
Tue 11/17
6:55 pm-6:31 pm
1 stop16h 36m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 11/17
10:00 am-5:10 pm
1 stop14h 10m
Incheon Intl
Tue 11/24
6:55 pm-6:31 pm
1 stop16h 36m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 1/17
7:10 pm-5:10 pm
1 stop29h 00m
Incheon Intl
Tue 2/2
1:55 am-9:26 am
2 stops24h 31m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
9:00 am-4:15 pm
1 stop38h 15m
Incheon Intl
Tue 11/17
6:00 pm-9:02 pm
1 stop20h 02m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 4/5
10:00 am-10:15 pm
2 stops20h 15m
Incheon Intl
Sun 4/18
5:45 pm-8:45 pm
1 stop19h 00m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
5:49 pm-5:45 pm
1 stop30h 56m
Incheon Intl
Tue 11/17
6:40 pm-12:18 pm
1 stop34h 38m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
1:25 pm-4:15 pm
1 stop33h 50m
Incheon Intl
Tue 11/17
12:45 pm-10:46 pm
1 stop27h 01m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 11/2
9:31 am-5:45 pm
1 stop15h 14m
Incheon Intl
Wed 12/2
6:45 pm-10:06 pm
1 stop20h 21m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 10/31
6:09 am-5:35 pm
1 stop19h 26m
Incheon Intl
Thu 12/3
8:00 pm-4:48 pm
1 stop13h 48m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/8
6:08 am-5:35 pm
1 stop18h 27m
Incheon Intl
Thu 11/19
8:00 pm-5:23 pm
1 stop38h 23m
See travel insights to Seoul from
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 typical price of a round-trip flight between Portland and Seoul?
Prices are currently low for flights on this route.
Typical prices usually range from $1,086 to $1,631.The lowest price recently found on this route was $946.
What is the cheapest month to fly to Seoul?
The month of February is another great option to travel to Seoul, with average flight prices from Portland averaging around $964.
How far in advance should I book a flight from Portland 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 $1,284 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 $1,042 on momondo.
What is the cheapest airline that flies from Portland to Seoul?
United Airlines is the most popular carrier operating from Portland to Seoul
What airlines fly to Seoul?
Air Canada, Delta and Asiana Airlines 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 45% 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.
Which airport is the most popular layover for flights between Portland and Seoul?
Vancouver (YVR) was the most common stop: 37% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Portland to Seoul?
Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,006.
Which layover airport has the shortest travel time from Portland to Seoul?
Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 14h 05m.
Which layover airport has the shortest connection time from Portland to Seoul?
Vancouver (YVR) has the shortest average layover time for this route: 1h 18m.
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
Frequently asked questions about flying 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 17h 21m, 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 October 2026, 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 Delta, representing 40% of all bookings. The subsequent popular airlines are Air Canada at 30%, Asiana Airlines at 10%, and United Airlines at 10%.
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 $131 | Free Cancellation | Rating 7.9 13,037 reviews | |||
| PriceFrom $791 | Free Cancellation | Rating 7.1 11,745 reviews | |||
| PriceFrom $914 | Free Cancellation | Rating 8.1 563 reviews | |||
| PriceFrom $915 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $921 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $1,172 | Free Cancellation | Rating 8.4 1,217 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.