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Cheap flights from Portland to Seoul from $427

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 7/25. 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.
Air Canada Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m
1 stop
Air Canada Logo
5:45 pm - 9:10 am
ICN
-
PDX
31h 25m
1 stop
$904Air Canada
Tue, Apr 14 - Tue, Apr 28
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Air Canada Logo
5:45 pm - 6:30 pm
ICN
-
PDX
16h 45m
1 stop
$907Air Canada
Thu, Apr 9 - Mon, Apr 27
Multiple Airlines Logo
9:50 am - 7:10 pm
PDX
-
ICN
17h 20m
2 stops
Multiple Airlines Logo
5:45 pm - 6:30 pm
ICN
-
PDX
16h 45m
1 stop
$927Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
9:50 am - 7:10 pm
PDX
-
ICN
17h 20m
2 stops
Multiple Airlines Logo
5:45 pm - 2:40 pm
ICN
-
PDX
12h 55m
1 stop
$929Multiple Airlines
Mon, Apr 13 - Thu, Apr 23
Multiple Airlines Logo
7:45 pm - 2:05 pm
PDX
-
ICN
26h 20m
2 stops
Multiple Airlines Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$934Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
5:55 pm - 11:30 am
PDX
-
ICN
25h 35m
2 stops
Multiple Airlines Logo
8:35 pm - 9:46 am
ICN
-
PDX
29h 11m
2 stops
$940Multiple Airlines
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
5:55 pm - 11:30 am
PDX
-
ICN
25h 35m
2 stops
Multiple Airlines Logo
8:35 pm - 9:46 am
ICN
-
PDX
29h 11m
2 stops
$942Multiple Airlines
Wed, Sep 2 - Mon, Sep 21
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$997Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
12:05 pm - 1:50 pm
GMP
-
PDX
17h 45m
2 stops
$1,123Japan Airlines
Thu, Sep 17 - Thu, Oct 1
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
7:15 pm - 4:50 pm
GMP
-
PDX
37h 35m
2 stops
$1,159Japan Airlines
Sun, May 10 - Mon, May 18

United Airlines flights from Portland to Seoul

Our best United Airlines deals on Portland to Seoul flight tickets
United Airlines
Mar 24
PDX7:30 amPortland
15h 45m
1 stop
ICN3:15 pmIncheon Intl
Apr 2
ICN11:30 amIncheon Intl
16h 55m
1 stop
PDX12:25 pmPortland
$1,136
United Airlines
Mar 29
PDX3:30 pmPortland
20h 50m
1 stop
ICN4:20 amIncheon Intl
Apr 16
ICN4:50 pmIncheon Intl
32h 58m
2 stops
PDX9:48 amPortland
$1,141
United Airlines
Mar 30
PDX1:39 pmPortland
33h 21m
1 stop
ICN3:00 pmIncheon Intl
Apr 17
ICN4:50 pmIncheon Intl
23h 54m
1 stop
PDX12:44 amPortland
$1,143

Air Canada flights from Portland to Seoul

Our best Air Canada deals on Portland to Seoul flight tickets
Air Canada
Apr 14
PDX3:15 pmPortland
32h 50m
1 stop
ICN4:05 pmIncheon Intl
Apr 28
ICN5:45 pmIncheon Intl
31h 25m
1 stop
PDX9:10 amPortland
$904
Air Canada
Apr 9
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
Apr 27
ICN5:45 pmIncheon Intl
16h 45m
1 stop
PDX6:30 pmPortland
$907
Air Canada
Apr 26
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 5
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$946

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 March 23, 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

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 4/14

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Tue 4/28

5:45 pm-9:10 am

1 stop31h 25m

$904

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/9

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Mon 4/27

5:45 pm-6:30 pm

1 stop16h 45m

$907

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 4/14

9:50 am-7:10 pm

2 stops17h 20m

Incheon Intl

Tue 4/28

5:45 pm-6:30 pm

1 stop16h 45m

$927
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/13

9:50 am-7:10 pm

2 stops17h 20m

Incheon Intl

Thu 4/23

5:45 pm-2:40 pm

1 stop12h 55m

$929

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/1

7:45 pm-2:05 pm

2 stops26h 20m

Incheon Intl

Tue 9/8

5:45 pm-2:51 pm

1 stop13h 06m

$934

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/1

5:55 pm-11:30 am

2 stops25h 35m

Incheon Intl

Wed 9/30

8:35 pm-9:46 am

2 stops29h 11m

$940

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/2

5:55 pm-11:30 am

2 stops25h 35m

Incheon Intl

Mon 9/21

8:35 pm-9:46 am

2 stops29h 11m

$942

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$997

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 9/17

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Thu 10/1

12:05 pm-1:50 pm

2 stops17h 45m

$1,123

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 5/10

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Mon 5/18

7:15 pm-4:50 pm

2 stops37h 35m

$1,159

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 typical price of a round-trip flight between Portland and Seoul?

What is the cheapest month to fly to Seoul?

The month of April is another great option to travel to Seoul, with average flight prices from Portland averaging around $916.

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 $1,196 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 $937 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

14h 15m

Direct flights

None
The fastest flight from Portland to Seoul takes 14h 15m
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 14h 15m, 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 $791Free CancellationRating
7.1
10,835 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,100 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,318 reviews
Search Delta flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,463 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $914Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,202 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