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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.
1 adult
0 bags

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Cheap round-trip flights

 Logo
6:15 am - 6:45 pmPDX-ICN
20h 30m2 stops
 Logo
10:35 am - 6:46 pmICN-PDX
24h 11m2 stops
Wed, Sep 3 - Wed, Sep 10
 Logo
7:40 pm - 6:45 pmPDX-ICN
31h 05m3 stops
 Logo
10:35 am - 6:46 pmICN-PDX
24h 11m2 stops
Wed, Sep 3 - Wed, Sep 10
American Airlines Logo
11:59 pm - 3:30 pmPDX-ICN
23h 31m1 stop
American Airlines Logo
5:25 pm - 9:27 pmICN-PDX
20h 02m1 stop
$911American Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 16
American Airlines Logo
11:42 am - 3:30 pmPDX-ICN
35h 48m1 stop
American Airlines Logo
5:25 pm - 9:27 pmICN-PDX
20h 02m1 stop
$918American Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
Air Canada Logo
7:40 pm - 4:05 pmPDX-ICN
28h 25m1 stop
Air Canada Logo
5:45 pm - 11:01 pmICN-PDX
21h 16m1 stop
$925Air Canada
Find Deal
Wed, Sep 3 - Tue, Sep 16
Air Canada Logo
10:00 am - 4:05 pmPDX-ICN
14h 05m1 stop
Air Canada Logo
5:45 pm - 2:46 pmICN-PDX
13h 01m1 stop
$962Air Canada
Find Deal
Wed, Oct 1 - Fri, Oct 17
China Airlines Logo
2:30 pm - 11:15 amPDX-ICN
28h 45m2 stops
China Airlines Logo
8:35 pm - 10:47 pmICN-PDX
18h 12m2 stops
$999China Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 16
China Airlines Logo
5:36 pm - 7:35 pmPDX-ICN
33h 59m2 stops
China Airlines Logo
12:35 pm - 10:47 pmICN-PDX
26h 12m2 stops
$1,000China Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 16
Delta Logo
7:15 am - 4:30 pmPDX-ICN
17h 15m1 stop
Delta Logo
7:20 pm - 4:59 pmICN-PDX
13h 39m1 stop
$1,061Delta
Find Deal
Sat, Aug 16 - Sat, Aug 23
Delta Logo
7:25 pm - 4:30 pmPDX-ICN
29h 05m1 stop
Delta Logo
7:20 pm - 4:59 pmICN-PDX
13h 39m1 stop
$1,066Delta
Find Deal
Fri, Aug 15 - Fri, Aug 22

Delta flights from Portland to Seoul

Our best Delta deals on Portland to Seoul flight tickets
Delta
Aug 16
PDX7:15 amPortland
17h 15m
1 stop
ICN4:30 pmIncheon Intl
Aug 23
ICN7:20 pmIncheon Intl
13h 39m
1 stop
PDX4:59 pmPortland
Delta
Aug 15
PDX7:25 pmPortland
29h 05m
1 stop
ICN4:30 pmIncheon Intl
Aug 22
ICN7:20 pmIncheon Intl
13h 39m
1 stop
PDX4:59 pmPortland
Delta
Jul 6
PDX8:29 pmPortland
28h 01m
1 stop
ICN4:30 pmIncheon Intl
Jul 27
ICN7:20 pmIncheon Intl
13h 45m
1 stop
PDX5:05 pmPortland

American Airlines flights from Portland to Seoul

Our best American Airlines deals on Portland to Seoul flight tickets
American Airlines
Sep 1
PDX11:59 pmPortland
23h 31m
1 stop
ICN3:30 pmIncheon Intl
Sep 16
ICN5:25 pmIncheon Intl
20h 02m
1 stop
PDX9:27 pmPortland
American Airlines
Sep 3
PDX11:42 amPortland
35h 48m
1 stop
ICN3:30 pmIncheon Intl
Sep 10
ICN5:25 pmIncheon Intl
20h 02m
1 stop
PDX9:27 pmPortland
American Airlines
Oct 6
PDX11:59 pmPortland
23h 31m
1 stop
ICN3:30 pmIncheon Intl
Oct 20
ICN5:25 pmIncheon Intl
21h 43m
1 stop
PDX11:08 pmPortland

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 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.

How have Portland to Seoul flight prices changed over time?

As of July 2025, prices for Portland to Seoul flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$422

Fastest flight time

14h 00m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from Portland in the past 72 hours is $422. The best round-trip flight deal from Portland to Seoul found on momondo in the last 72 hours is $783.
The fastest flight from Portland to Seoul takes 14h 00m
There are no direct flights from Portland to Seoul. Popular non-direct route for this connection is Portland Airport - Incheon Intl Airport.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • 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?

  • 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?


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
Hawaiian AirlinesPriceFrom $403Free CancellationRating
7.8
2,545 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
9,678 reviews
Search Air Canada flights
DeltaPriceFrom $849Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
452 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,101 reviews
Search Korean Air flights

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.


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1 adult
Tue 7/8
Tue 7/15

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul