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Cheap flights from Portland to Seoul from $389

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 2/6. 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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Find the cheapest flights from Portland to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 am - 4:05 pm
PDX
-
ICN
13h 55m1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m2 stops
$734Multiple Airlines
Mon, May 4 - Wed, May 20
Multiple Airlines Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m1 stop
Multiple Airlines Logo
2:30 am - 9:15 am
ICN
-
PDX
22h 45m2 stops
$743Multiple Airlines
Wed, Apr 1 - Tue, Apr 21
Multiple Airlines Logo
5:40 pm - 6:35 pm
PDX
-
ICN
31h 55m1 stop
Multiple Airlines Logo
8:35 pm - 10:41 pm
ICN
-
PDX
18h 06m1 stop
$769Multiple Airlines
Sat, Mar 7 - Sun, Mar 15
Air Canada Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m1 stop
Air Canada Logo
5:45 pm - 7:05 pm
ICN
-
PDX
17h 20m1 stop
$782Air Canada
Mon, Mar 30 - Mon, Jun 1
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m1 stop
Air Canada Logo
5:45 pm - 2:45 pm
ICN
-
PDX
13h 00m1 stop
$791Air Canada
Thu, Apr 30 - Thu, May 28
Multiple Airlines Logo
10:10 am - 4:05 pm
PDX
-
ICN
13h 55m1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m2 stops
$792Multiple Airlines
Mon, May 4 - Mon, May 11
Air Canada Logo
7:05 pm - 4:15 pm
PDX
-
ICN
29h 10m1 stop
Air Canada Logo
5:55 pm - 6:30 pm
ICN
-
PDX
16h 35m1 stop
$793Air Canada
Sun, Mar 8 - Tue, Mar 24
Japan Airlines Logo
7:20 am - 10:05 pm
PDX
-
GMP
21h 45m2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
25h 50m2 stops
$938Japan Airlines
Tue, Jan 20 - Thu, Feb 5
Japan Airlines Logo
7:20 am - 10:05 pm
PDX
-
GMP
21h 45m2 stops
Japan Airlines Logo
8:00 am - 4:50 pm
GMP
-
PDX
25h 50m2 stops
$946Japan Airlines
Tue, Jan 20 - Thu, Feb 5
Japan Airlines Logo
7:05 am - 10:55 am
PDX
-
GMP
34h 50m2 stops
Japan Airlines Logo
7:40 pm - 4:50 pm
GMP
-
PDX
37h 10m2 stops
$953Japan Airlines
Tue, Feb 24 - Sun, Mar 8

Air Canada flights from Portland to Seoul

Our best Air Canada deals on Portland to Seoul flight tickets
Air Canada
Mar 30
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
Jun 1
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$782
Find similar
Air Canada
Apr 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 28
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$791
Find similar
Air Canada
Mar 8
PDX7:05 pmPortland
29h 10m
1 stop
ICN4:15 pmIncheon Intl
Mar 24
ICN5:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$793
Find similar

Cathay Pacific flights from Portland to Seoul

Our best Cathay Pacific deals on Portland to Seoul flight tickets
Cathay Pacific
Jan 15
PDX5:51 pmPortland
25h 54m
2 stops
ICN12:45 pmIncheon Intl
Jan 29
ICN3:00 pmIncheon Intl
22h 34m
2 stops
PDX8:34 pmPortland
$1,242
Find similar
Cathay Pacific
Jan 20
PDX5:51 pmPortland
25h 54m
2 stops
ICN12:45 pmIncheon Intl
Feb 5
ICN3:00 pmIncheon Intl
22h 48m
2 stops
PDX8:48 pmPortland
$1,257
Find similar
Cathay Pacific
Jan 9
PDX5:51 pmPortland
27h 04m
2 stops
ICN1:55 pmIncheon Intl
Apr 6
ICN10:10 amIncheon Intl
46h 20m
2 stops
PDX4:30 pmPortland
$1,426
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 7, 2026.
Use the filters below to find and compare flights from Portland to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 5/4

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Wed 5/20

2:30 am-9:30 am

2 stops23h 00m

$734

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/1

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Tue 4/21

2:30 am-9:15 am

2 stops22h 45m

$743

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/7

5:40 pm-6:35 pm

1 stop31h 55m

Incheon Intl

Sun 3/15

8:35 pm-10:41 pm

1 stop18h 06m

$769

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 3/30

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Mon 6/1

5:45 pm-7:05 pm

1 stop17h 20m

$782

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Thu 5/28

5:45 pm-2:45 pm

1 stop13h 00m

$791

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 5/4

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Mon 5/11

2:30 am-9:30 am

2 stops23h 00m

$792

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/8

7:05 pm-4:15 pm

1 stop29h 10m

Incheon Intl

Tue 3/24

5:55 pm-6:30 pm

1 stop16h 35m

$793

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Thu 2/5

8:00 am-4:50 pm

2 stops25h 50m

$938

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Thu 2/5

8:00 am-4:50 pm

2 stops25h 50m

$946

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 2/24

7:05 am-10:55 am

2 stops34h 50m

Seoul Gimpo Intl

Sun 3/8

7:40 pm-4:50 pm

2 stops37h 10m

$953

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $960.

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 $1,127 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 $982 on momondo.

How have Portland to Seoul flight prices changed over time?

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

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Portland to Seoul takes 13h 55m
There are no direct flights from Portland to Seoul. There are no popular flight routes from Portland to Seoul.
Search flight deals

  • How far is Portland to Seoul by plane?

    There are 5247.7 mi between Portland and Seoul. Flights usually cover this in 13h 55m, 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
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,600 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,658 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
500 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,086Free CancellationRating
8.4
1,188 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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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
Seoul Gimpo Intl Airport
Incheon Intl Airport