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Cheap flights from Portland to Seoul from $475

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 9/1. 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.
Air Canada Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Air Canada Logo
5:45 pm - 7:10 pm
ICN
-
PDX
17h 25m
1 stop
$906Air Canada
Mon, Apr 27 - Tue, Jun 9
Multiple Airlines Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m
1 stop
Multiple Airlines Logo
2:50 pm - 7:10 pm
ICN
-
PDX
20h 20m
2 stops
$939Multiple Airlines
Mon, Apr 27 - Tue, Jun 9
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
1:55 am - 9:30 am
ICN
-
PDX
23h 35m
2 stops
$945Multiple Airlines
Thu, Apr 30 - Wed, May 27
Multiple Airlines Logo
7:27 pm - 5:15 am
PDX
-
ICN
17h 48m
1 stop
Multiple Airlines Logo
9:00 pm - 7:34 pm
ICN
-
PDX
14h 34m
1 stop
$947Multiple Airlines
Mon, Apr 20 - Mon, May 11
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Air Canada Logo
5:45 pm - 2:45 pm
ICN
-
PDX
13h 00m
1 stop
$949Air Canada
Mon, Apr 27 - Wed, May 13
Multiple Airlines Logo
5:37 pm - 4:30 am
PDX
-
ICN
18h 53m
1 stop
Multiple Airlines Logo
9:20 pm - 11:24 pm
ICN
-
PDX
18h 04m
1 stop
$950Multiple Airlines
Sun, Aug 2 - Thu, Aug 27
Multiple Airlines Logo
2:54 pm - 3:50 pm
PDX
-
ICN
32h 56m
1 stop
Multiple Airlines Logo
7:35 pm - 11:50 am
ICN
-
PDX
32h 15m
2 stops
$952Multiple Airlines
Thu, Apr 23 - Wed, Apr 29
EVA Air Logo
7:00 am - 12:50 pm
PDX
-
GMP
37h 50m
2 stops
EVA Air Logo
1:50 pm - 11:33 am
GMP
-
PDX
37h 43m
2 stops
$1,188EVA Air
Thu, May 7 - Sat, Jun 6
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
$1,236Japan 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 - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,244Japan Airlines
Fri, Aug 21 - Tue, Sep 1

Air Canada flights from Portland to Seoul

Our best Air Canada deals on Portland to Seoul flight tickets
Air Canada
Apr 27
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
Jun 9
ICN5:45 pmIncheon Intl
17h 25m
1 stop
PDX7:10 pmPortland
$906
Air Canada
Apr 27
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 13
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$949
Air Canada
May 8
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Jun 9
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$955

Asiana Airlines flights from Portland to Seoul

Our best Asiana Airlines deals on Portland to Seoul flight tickets
Asiana Airlines
Apr 18
PDX1:39 pmPortland
0h 0-44m
1 stop
ICN4:55 amIncheon Intl
May 4
ICN8:50 pmIncheon Intl
20h 09m
1 stop
PDX12:59 amPortland
$989
Asiana Airlines
Apr 17
PDX3:15 pmPortland
32h 50m
1 stop
ICN4:05 pmIncheon Intl
May 15
ICN2:50 pmIncheon Intl
20h 20m
2 stops
PDX7:10 pmPortland
$1,019
Asiana Airlines
Apr 12
PDX7:14 pmPortland
17h 06m
1 stop
ICN4:20 amIncheon Intl
Apr 25
ICN4:50 pmIncheon Intl
19h 58m
1 stop
PDX8:48 pmPortland
$1,241

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 April 2, 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

Mon 4/27

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Tue 6/9

5:45 pm-7:10 pm

1 stop17h 25m

$906

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Tue 6/9

2:50 pm-7:10 pm

2 stops20h 20m

$939

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/27

1:55 am-9:30 am

2 stops23h 35m

$945

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/20

7:27 pm-5:15 am

1 stop17h 48m

Incheon Intl

Mon 5/11

9:00 pm-7:34 pm

1 stop14h 34m

$947
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/13

5:45 pm-2:45 pm

1 stop13h 00m

$949

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 8/2

5:37 pm-4:30 am

1 stop18h 53m

Incheon Intl

Thu 8/27

9:20 pm-11:24 pm

1 stop18h 04m

$950

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/23

2:54 pm-3:50 pm

1 stop32h 56m

Incheon Intl

Wed 4/29

7:35 pm-11:50 am

2 stops32h 15m

$952

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 5/7

7:00 am-12:50 pm

2 stops37h 50m

Seoul Gimpo Intl

Sat 6/6

1:50 pm-11:33 am

2 stops37h 43m

$1,188

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

$1,236

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

$1,244

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

15h 46m

Direct flights

None
The fastest flight from Portland to Seoul takes 15h 46m
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 15h 46m, 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
10,884 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,154 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,372 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
509 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,535 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,203 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