What is the cheapest airline that flies from Portland to Seoul?

WestJet, Air Canada, and Japan Airlines are the most popular carriers 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 42% 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 layover airport has the shortest connection time from Portland to Seoul?

San Francisco (SFO) has the shortest average layover time for this route: 1h 46m.

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 15m.

Which airport is the most popular layover for flights between Portland and Seoul?

Vancouver (YVR) was the most common stop: 33% 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 San Francisco (SFO) offer the lowest average round-trip price of $1,062.

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 August 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.

$427 Cheap Flights from Portland to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:48 am - 9:40 pmPDX Portland-ICN Incheon Intl

18h 52m1 stop San Francisco

7:45 pm - 8:47 pmICN Incheon Intl-PDX Portland

18h 02m1 stop San Francisco

$867Multiple Airlines

Wed, Oct 21 - Wed, Nov 4

10:37 am - 9:40 pmPDX Portland-ICN Incheon Intl

19h 03m1 stop San Francisco

7:15 pm - 10:52 amICN Incheon Intl-PDX Portland

31h 37m1 stop San Francisco

$867Multiple Airlines

Wed, Sep 23 - Sun, Oct 4

5:48 pm - 5:35 pmPDX Portland-ICN Incheon Intl

31h 47m2 stops San Francisco Seattle/Tacoma Intl

8:00 pm - 8:47 pmICN Incheon Intl-PDX Portland

17h 47m2 stops Seattle/Tacoma Intl San Francisco

$982Alaska Airlines

Sat, Oct 24 - Sat, Nov 14

5:45 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 50m2 stops Oakland Seattle/Tacoma Intl

8:00 pm - 7:50 pmICN Incheon Intl-PDX Portland

16h 50m2 stops Seattle/Tacoma Intl San Jose

$982Alaska Airlines

Tue, Nov 3 - Thu, Nov 12

7:10 pm - 4:10 pmPDX Portland-ICN Incheon Intl

29h 00m1 stop Vancouver Intl

6:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

$1,007Air Canada

Tue, Oct 27 - Tue, Nov 10

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,007Air Canada

Wed, Sep 16 - Thu, Oct 1

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 2:46 pmICN Incheon Intl-PDX Portland

13h 01m1 stop Vancouver Intl

$1,066Asiana Airlines

Wed, Sep 9 - Wed, Sep 16

3:30 pm - 4:05 pmPDX Portland-ICN Incheon Intl

32h 35m1 stop Vancouver Intl

5:45 pm - 2:46 pmICN Incheon Intl-PDX Portland

13h 01m1 stop Vancouver Intl

$1,103Asiana Airlines

Sat, Sep 5 - Wed, Sep 16

5:30 am - 4:15 pmPDX Portland-ICN Incheon Intl

17h 45m1 stop San Francisco

7:25 pm - 10:42 pmICN Incheon Intl-PDX Portland

44h 17m2 stops Hong Kong Intl San Francisco

$1,198United Airlines

Sat, Dec 5 - Sun, Dec 6

3:23 pm - 4:20 amPDX Portland-ICN Incheon Intl

20h 57m1 stop San Francisco

4:50 pm - 10:57 pmICN Incheon Intl-PDX Portland

22h 07m1 stop San Francisco

$1,279United Airlines

Mon, Oct 5 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 9:31 amICN Incheon Intl-PDX Portland

31h 46m1 stop Vancouver Intl

$1,054Air Canada

Mon, Aug 31 - Mon, Sep 14

11:48 am - 5:05 pmPDX Portland-ICN Incheon Intl

37h 17m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:30 pm - 10:58 pmICN Incheon Intl-PDX Portland

45h 28m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,058Multiple Airlines

Sun, Aug 30 - Fri, Dec 18

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

6:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

$1,092Air Canada

Sun, Aug 30 - Fri, Dec 18

6:53 pm - 11:00 amPDX Portland-ICN Incheon Intl

24h 07m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

12:00 pm - 8:51 pmICN Incheon Intl-PDX Portland

24h 51m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,126Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,380Asiana Airlines

Mon, Aug 31 - Thu, Sep 10

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,380Asiana Airlines

Sun, Aug 30 - Thu, Sep 10

5:53 pm - 5:30 pmPDX Portland-ICN Incheon Intl

31h 37m2 stops San Francisco Seattle/Tacoma Intl

7:35 pm - 10:51 pmICN Incheon Intl-PDX Portland

19h 16m2 stops Seattle/Tacoma Intl San Francisco

$1,396Alaska Airlines

Sat, Aug 29 - Fri, Sep 11

6:53 pm - 5:30 pmPDX Portland-ICN Incheon Intl

30h 37m2 stops San Francisco Seattle/Tacoma Intl

7:35 pm - 10:09 amICN Incheon Intl-PDX Portland

30h 34m2 stops Seattle/Tacoma Intl San Francisco

$1,396Alaska Airlines

Sat, Aug 29 - Thu, Sep 10

8:24 pm - 4:40 pmPDX Portland-ICN Incheon Intl

28h 16m1 stop Seattle/Tacoma Intl

4:40 pm - 2:45 pmICN Incheon Intl-PDX Portland

14h 05m1 stop Seattle/Tacoma Intl

$1,664Delta

Sun, Aug 30 - Mon, Sep 7

8:24 pm - 4:40 pmPDX Portland-ICN Incheon Intl

28h 16m1 stop Seattle/Tacoma Intl

4:40 pm - 2:45 pmICN Incheon Intl-PDX Portland

14h 05m1 stop Seattle/Tacoma Intl

$1,664Delta

Sun, Aug 30 - Sat, Sep 5

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Asiana Airlines flights from Portland to Seoul

Our best Asiana Airlines deals on Portland to Seoul flight tickets

Asiana Airlines

Sep 9

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 16

ICN5:45 pmIncheon Intl

13h 01m

1 stop

PDX2:46 pmPortland

$1,066

Asiana Airlines

Sep 5

PDX3:30 pmPortland

32h 35m

1 stop

ICN4:05 pmIncheon Intl

Sep 16

ICN5:45 pmIncheon Intl

13h 01m

1 stop

PDX2:46 pmPortland

$1,103

Air Canada flights from Portland to Seoul

Our best Air Canada deals on Portland to Seoul flight tickets

Air Canada

Sep 1

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 14

ICN5:45 pmIncheon Intl

17h 26m

1 stop

PDX7:11 pmPortland

$1,007

Air Canada

Sep 8

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 23

ICN5:45 pmIncheon Intl

17h 26m

1 stop

PDX7:11 pmPortland

$1,008

Air Canada

Sep 8

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 16

ICN5:45 pmIncheon Intl

17h 26m

1 stop

PDX7:11 pmPortland

$1,017

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 10/21

10:48 am-9:40 pm

1 stop18h 52m

Incheon Intl

Wed 11/4

7:45 pm-8:47 pm

1 stop18h 02m

$867

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 9/23

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Sun 10/4

7:15 pm-10:52 am

1 stop31h 37m

$867

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 10/24

5:48 pm-5:35 pm

2 stops31h 47m

Incheon Intl

Sat 11/14

8:00 pm-8:47 pm

2 stops17h 47m

$982

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 11/3

5:45 pm-5:35 pm

2 stops30h 50m

Incheon Intl

Thu 11/12

8:00 pm-7:50 pm

2 stops16h 50m

$982

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 10/27

7:10 pm-4:10 pm

1 stop29h 00m

Incheon Intl

Tue 11/10

6:55 pm-8:46 pm

1 stop18h 51m

$1,007

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 9/16

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Thu 10/1

5:45 pm-7:11 pm

1 stop17h 26m

$1,007

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 9/9

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Wed 9/16

5:45 pm-2:46 pm

1 stop13h 01m

$1,066

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 9/5

3:30 pm-4:05 pm

1 stop32h 35m

Incheon Intl

Wed 9/16

5:45 pm-2:46 pm

1 stop13h 01m

$1,103

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 12/5

5:30 am-4:15 pm

1 stop17h 45m

Incheon Intl

Sun 12/6

7:25 pm-10:42 pm

2 stops44h 17m

$1,198

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 10/5

3:23 pm-4:20 am

1 stop20h 57m

Incheon Intl

Mon 10/12

4:50 pm-10:57 pm

1 stop22h 07m

$1,279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $1,044 to $1,440.
The lowest price recently found on this route was $867.

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 $1,276 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 $1,006 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

Best Price Found	$427
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Seoul from Portland in the past 72 hours is $427. The best round-trip flight deal from Portland to Seoul found on momondo in the last 72 hours is $867.

The fastest flight from Portland to Seoul takes 14h 10m

There are no direct flights from Portland to Seoul. There are no popular flight routes from Portland to Seoul.

Search flight deals

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 14h 10m, 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 August 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 39% of all bookings. The subsequent popular airlines are Air Canada at 28%, United Airlines at 11%, and Asiana 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
Alaska Airlines	PriceFrom $134	Free Cancellation	Rating 7.9 12,841 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $791	Free Cancellation	Rating 7.1 11,540 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $881	Free Cancellation	Rating 8.1 558 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.4 10,123 reviews	Search United Airlines flights
Delta	PriceFrom $916	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta flights
Korean Air	PriceFrom $1,155	Free Cancellation	Rating 8.4 1,221 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.

An easier way to manage your Seoul trip

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Complete your trip

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Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

Incheon Intl Airport

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 9/19. 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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Asiana Airlines flights from Portland to Seoul

Our best Asiana Airlines deals on Portland to Seoul flight tickets

Air Canada flights from Portland to Seoul

Our best Air Canada deals on Portland to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Seoul that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from Portland to Seoul

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

What is the cheapest month to fly to Seoul?

How far in advance should I book a flight from Portland to Seoul?

How have Portland to Seoul flight prices changed over time?

What is the cheapest airline that flies from Portland to Seoul?

What airlines fly to Seoul?

Which airport is the most popular layover for flights between Portland and Seoul?

Which layover airport offers the lowest fares from Portland to Seoul?

Which layover airport has the shortest travel time from Portland to Seoul?

Which layover airport has the shortest connection time from Portland to Seoul?

When to book flights from Portland to Seoul

Cheap Portland to Seoul (PDX to SEL) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Seoul

Explore popular destinations other users love

According to popular flight searches on momondo this year