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Cheap flights from Portland to Seoul from $382

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 8/23. 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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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
10:34 am - 8:10 pm
PDX
-
ICN
17h 36m
1 stop
Multiple Airlines Logo
6:00 pm - 8:50 pm
ICN
-
PDX
18h 50m
1 stop
$981Multiple Airlines
Wed, Sep 23 - Wed, Oct 14
Multiple Airlines Logo
7:19 am - 8:10 pm
PDX
-
ICN
20h 51m
1 stop
Multiple Airlines Logo
6:00 pm - 4:50 pm
ICN
-
PDX
14h 50m
1 stop
$985Multiple Airlines
Wed, Aug 12 - Wed, Sep 2
Multiple Airlines Logo
10:37 am - 8:10 pm
PDX
-
ICN
17h 33m
1 stop
Multiple Airlines Logo
6:00 pm - 4:50 pm
ICN
-
PDX
14h 50m
1 stop
$987Multiple Airlines
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
1:59 pm - 5:05 pm
PDX
-
ICN
35h 06m
2 stops
Multiple Airlines Logo
1:20 am - 8:46 pm
ICN
-
PDX
35h 26m
2 stops
$990Multiple Airlines
Sun, Sep 6 - Tue, Sep 22
Multiple Airlines Logo
5:00 am - 5:05 pm
PDX
-
ICN
44h 05m
2 stops
Multiple Airlines Logo
12:20 am - 4:50 pm
ICN
-
PDX
33h 30m
2 stops
$991Multiple Airlines
Mon, Aug 17 - Tue, Nov 3
Multiple Airlines Logo
7:03 am - 8:10 pm
PDX
-
ICN
21h 07m
1 stop
Multiple Airlines Logo
6:00 pm - 4:50 pm
ICN
-
PDX
14h 50m
1 stop
$1,002Multiple Airlines
Mon, Aug 24 - Wed, Sep 23
Asiana Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Asiana Airlines Logo
3:00 pm - 7:06 pm
GMP
-
PDX
20h 06m
2 stops
$1,265Asiana Airlines
Wed, Sep 16 - Mon, Sep 21
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,341Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,426Japan Airlines
Mon, Aug 3 - Thu, Aug 27
Japan Airlines Logo
7:15 am - 9:15 pm
PDX
-
GMP
22h 00m
2 stops
Japan Airlines Logo
12:05 pm - 4:34 pm
GMP
-
PDX
21h 29m
2 stops
$1,442Japan Airlines
Sat, Aug 15 - Thu, Nov 5

Asiana Airlines flights from Portland to Seoul

Our best Asiana Airlines deals on Portland to Seoul flight tickets
Asiana Airlines
Sep 16
PDX10:10 amPortland
20h 15m
2 stops
GMP10:25 pmSeoul Gimpo Intl
Sep 21
GMP3:00 pmSeoul Gimpo Intl
20h 06m
2 stops
PDX7:06 pmPortland
$1,265
Asiana Airlines
Jun 3
PDX5:40 pmPortland
29h 40m
1 stop
ICN3:20 pmIncheon Intl
Jun 24
ICN12:40 pmIncheon Intl
17h 04m
1 stop
PDX1:44 pmPortland
$1,284

Japan Airlines flights from Portland to Seoul

Our best Japan Airlines deals on Portland to Seoul flight tickets
Japan Airlines
Aug 3
PDX7:19 amPortland
21h 56m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 27
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,341
Japan Airlines
Aug 3
PDX7:19 amPortland
21h 56m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Aug 27
GMP12:05 pmSeoul Gimpo Intl
20h 45m
2 stops
PDX4:50 pmPortland
$1,426
Japan Airlines
Aug 15
PDX7:15 amPortland
22h 00m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Nov 5
GMP12:05 pmSeoul Gimpo Intl
21h 29m
2 stops
PDX4:34 pmPortland
$1,442

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 May 22, 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

Wed 9/23

10:34 am-8:10 pm

1 stop17h 36m

Incheon Intl

Wed 10/14

6:00 pm-8:50 pm

1 stop18h 50m

$981

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 8/12

7:19 am-8:10 pm

1 stop20h 51m

Incheon Intl

Wed 9/2

6:00 pm-4:50 pm

1 stop14h 50m

$985
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/9

10:37 am-8:10 pm

1 stop17h 33m

Incheon Intl

Wed 9/23

6:00 pm-4:50 pm

1 stop14h 50m

$987

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/6

1:59 pm-5:05 pm

2 stops35h 06m

Incheon Intl

Tue 9/22

1:20 am-8:46 pm

2 stops35h 26m

$990

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 8/17

5:00 am-5:05 pm

2 stops44h 05m

Incheon Intl

Tue 11/3

12:20 am-4:50 pm

2 stops33h 30m

$991

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 8/24

7:03 am-8:10 pm

1 stop21h 07m

Incheon Intl

Wed 9/23

6:00 pm-4:50 pm

1 stop14h 50m

$1,002

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 9/16

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Mon 9/21

3:00 pm-7:06 pm

2 stops20h 06m

$1,265

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,341

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/3

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Thu 8/27

12:05 pm-4:50 pm

2 stops20h 45m

$1,426

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/15

7:15 am-9:15 pm

2 stops22h 00m

Seoul Gimpo Intl

Thu 11/5

12:05 pm-4:34 pm

2 stops21h 29m

$1,442

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 May is another great option to travel to Seoul, with average flight prices from Portland averaging around $548.

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 $1,194 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 $843 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

16h 53m

Direct flights

None
The fastest flight from Portland to Seoul takes 16h 53m
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 16h 53m, 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
11,075 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,396 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,445 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
534 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,217 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