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Cheap flights from Seoul to Portland from $429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Portland departing on 9/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seoul to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:45 pm - 2:46 pm
ICN
-
PDX
13h 01m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$820Air Canada
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
7:15 pm - 8:51 pm
ICN
-
PDX
17h 36m
1 stop
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
$830Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:15 pm - 9:29 am
ICN
-
PDX
30h 14m
1 stop
Multiple Airlines Logo
7:30 am - 8:10 pm
PDX
-
ICN
20h 40m
1 stop
$853Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
Air Canada Logo
7:45 pm - 7:11 pm
ICN
-
PDX
39h 26m
2 stops
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$855Air Canada
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:45 pm - 7:11 pm
ICN
-
PDX
39h 26m
2 stops
Multiple Airlines Logo
10:10 am - 9:40 pm
PDX
-
ICN
19h 30m
2 stops
$862Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Air Canada Logo
5:45 pm - 7:06 pm
ICN
-
PDX
17h 21m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$869Air Canada
Sat, Oct 3 - Thu, Oct 15
Delta Logo
7:00 pm - 10:40 am
ICN
-
PDX
31h 40m
1 stop
Delta Logo
5:49 pm - 4:50 pm
PDX
-
ICN
31h 01m
1 stop
$910Delta
Thu, Sep 17 - Sat, Oct 10
Delta Logo
7:00 pm - 10:40 am
ICN
-
PDX
31h 40m
1 stop
Delta Logo
5:49 pm - 4:50 pm
PDX
-
ICN
31h 01m
1 stop
$912Delta
Thu, Sep 17 - Sat, Oct 10
Alaska Airlines Logo
7:35 pm - 11:16 pm
ICN
-
PDX
19h 41m
2 stops
Alaska Airlines Logo
7:09 am - 5:30 pm
PDX
-
ICN
18h 21m
1 stop
$995Alaska Airlines
Sat, Oct 3 - Thu, Oct 15
Alaska Airlines Logo
7:35 pm - 11:16 pm
ICN
-
PDX
19h 41m
2 stops
Alaska Airlines Logo
8:09 am - 5:30 pm
PDX
-
ICN
17h 21m
1 stop
$1,012Alaska Airlines
Thu, Oct 15 - Sun, Oct 18

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Air Canada flights from Seoul to Portland

Our best Air Canada deals on Seoul to Portland flight tickets
Air Canada
Sep 23
ICN5:45 pmIncheon Intl
13h 01m
1 stop
PDX2:46 pmPortland
Sep 27
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$820
Air Canada
Sep 9
ICN7:45 pmIncheon Intl
39h 26m
2 stops
PDX7:11 pmPortland
Sep 16
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$855
Air Canada
Oct 3
ICN5:45 pmIncheon Intl
17h 21m
1 stop
PDX7:06 pmPortland
Oct 15
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$869

ANA flights from Seoul to Portland

Our best ANA deals on Seoul to Portland flight tickets
ANA
Aug 5
GMP12:40 pmSeoul Gimpo Intl
22h 31m
2 stops
PDX7:11 pmPortland
Sep 1
PDX10:10 amPortland
32h 55m
2 stops
GMP11:05 amSeoul Gimpo Intl
$3,222
ANA
Aug 7
GMP12:40 pmSeoul Gimpo Intl
22h 31m
2 stops
PDX7:11 pmPortland
Aug 15
PDX9:00 amPortland
34h 05m
2 stops
GMP11:05 amSeoul Gimpo Intl
$3,328
ANA
Dec 18
GMP12:25 pmSeoul Gimpo Intl
23h 06m
2 stops
PDX6:31 pmPortland
Jan 8
PDX10:00 amPortland
19h 30m
2 stops
GMP10:30 pmSeoul Gimpo Intl
$4,522

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to Portland 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 July 29, 2026.
Use the filters below to find and compare flights from Seoul to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/23

5:45 pm-2:46 pm

1 stop13h 01m

Portland

Sun 9/27

7:45 pm-4:05 pm

1 stop28h 20m

$820
Quickest round-trip

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:15 pm-8:51 pm

1 stop17h 36m

Portland

Wed 9/16

10:37 am-9:40 pm

1 stop19h 03m

$830

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/19

7:15 pm-9:29 am

1 stop30h 14m

Portland

Sat 10/24

7:30 am-8:10 pm

1 stop20h 40m

$853

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:45 pm-7:11 pm

2 stops39h 26m

Portland

Wed 9/16

7:45 pm-4:05 pm

1 stop28h 20m

$855

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:45 pm-7:11 pm

2 stops39h 26m

Portland

Wed 9/16

10:10 am-9:40 pm

2 stops19h 30m

$862

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/3

5:45 pm-7:06 pm

1 stop17h 21m

Portland

Thu 10/15

7:45 pm-4:05 pm

1 stop28h 20m

$869

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 9/17

7:00 pm-10:40 am

1 stop31h 40m

Portland

Sat 10/10

5:49 pm-4:50 pm

1 stop31h 01m

$910

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 9/17

7:00 pm-10:40 am

1 stop31h 40m

Portland

Sat 10/10

5:49 pm-4:50 pm

1 stop31h 01m

$912

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/3

7:35 pm-11:16 pm

2 stops19h 41m

Portland

Thu 10/15

7:09 am-5:30 pm

1 stop18h 21m

$995

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 10/15

7:35 pm-11:16 pm

2 stops19h 41m

Portland

Sun 10/18

8:09 am-5:30 pm

1 stop17h 21m

$1,012

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 Portland from

How to get the cheapest flight ticket from Seoul to Portland

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 Portland?

The cheapest month to fly to Portland from Seoul is in November. Flight prices, which tend to average around $607, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until February to fly from Seoul, when ticket prices are also cheap, with an average price of $617.

How have Seoul to Portland flight prices changed over time?

When to book flights from Seoul to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Seoul to Portland

Fastest flight time

19h 02m

Direct flights

None
The fastest flight from Seoul to Portland takes 19h 02m
There are no direct flights from Seoul to Portland. There are no popular flight routes from Seoul to Portland.
Search flight deals

Frequently asked questions about flying from Seoul to Portland

  • How far is Seoul to Portland by plane?

    The straight-line distance from Seoul to Portland is 5247.7 mi. Typically, this will take 19h 02m by plane in normal conditions.

  • When did momondo last update prices for flights from Seoul to Portland Airport?

    Prices for flights from Seoul to Portland Airport refresh daily.

  • How many operators does momondo search for flights from Seoul to Portland Airport?

  • How old do you have to be to fly from Seoul to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seoul to Portland

Compare and see reviews for airlines that fly from Seoul to Portland with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $337Free CancellationRating
7.9
12,727 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $565Free CancellationRating
7.1
11,404 reviews
Search Air Canada flights
DeltaPriceFrom $622Free CancellationRating
7.8
8,487 reviews
Search Delta flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Portland for you.

Can I find flights from Seoul to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to Portland?

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 Seoul to Portland.

I’m not ready to book a flight from Seoul to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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