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Cheap flights from Portland to South Korea from $413

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 South Korea departing on 11/11. 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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Find the cheapest flights from Portland to South Korea

Cheap round-trip flights

Alaska Airlines Logo
4:46 pm - 7:00 pmPDX-ICN
34h 14m2 stops
Alaska Airlines Logo
9:25 pm - 12:27 pmICN-PDX
31h 02m2 stops
$812Alaska Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 5
Logo
5:08 pm - 6:45 pmPDX-ICN
33h 37m2 stops
Logo
6:55 pm - 8:24 pmICN-PDX
18h 29m1 stop
$818
Find Deal
Tue, Sep 30 - Wed, Dec 3
Logo
1:45 pm - 6:45 pmPDX-ICN
37h 00m1 stop
Logo
6:20 pm - 4:42 pmICN-PDX
38h 22m2 stops
$822
Find Deal
Sun, Oct 5 - Fri, Oct 24
Air Canada Logo
9:55 am - 4:05 pmPDX-ICN
14h 10m1 stop
Air Canada Logo
5:45 pm - 6:46 pmICN-PDX
17h 01m1 stop
$887Air Canada
Find Deal
Wed, Oct 1 - Thu, Oct 16
United Airlines Logo
7:35 pm - 4:20 amPDX-ICN
16h 45m1 stop
United Airlines Logo
4:50 pm - 10:45 pmICN-PDX
21h 55m1 stop
$892United Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 29
United Airlines Logo
7:04 am - 4:20 amPDX-ICN
29h 16m2 stops
United Airlines Logo
4:50 pm - 10:45 pmICN-PDX
21h 55m1 stop
$897United Airlines
Find Deal
Wed, Sep 3 - Mon, Sep 29
Air Canada Logo
6:15 am - 4:05 pmPDX-ICN
17h 50m1 stop
Air Canada Logo
5:45 pm - 2:46 pmICN-PDX
13h 01m1 stop
$898Air Canada
Find Deal
Tue, Sep 23 - Tue, Oct 21
Korean Air Logo
5:08 pm - 7:45 amPDX-PUS
22h 37m2 stops
Korean Air Logo
4:30 pm - 8:25 pmPUS-PDX
19h 55m2 stops
$1,366Korean Air
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
10:20 am - 7:45 amPDX-PUS
29h 25m2 stops
Delta Logo
8:05 am - 4:02 pmPUS-PDX
23h 57m2 stops
$1,367Delta
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
9:15 am - 7:25 pmPDX-PUS
17h 10m2 stops
Delta Logo
4:10 pm - 4:45 pmPUS-PDX
17h 35m2 stops
$1,385Delta
Find Deal
Tue, Nov 11 - Fri, Nov 21

Alaska Airlines flights from Portland to South Korea

Our best Alaska Airlines deals on Portland to South Korea flight tickets
Alaska Airlines
Sep 1
PDX4:46 pmPortland
34h 14m
2 stops
ICN7:00 pmIncheon Intl
Sep 5
ICN9:25 pmIncheon Intl
31h 02m
2 stops
PDX12:27 pmPortland
$812
Find similar
Alaska Airlines
Aug 28
PDX5:30 pmPortland
33h 30m
2 stops
ICN7:00 pmIncheon Intl
Sep 10
ICN9:25 pmIncheon Intl
27h 27m
1 stop
PDX8:52 amPortland
$888
Find similar
Alaska Airlines
Aug 28
PDX5:40 pmPortland
33h 20m
1 stop
ICN7:00 pmIncheon Intl
Sep 10
ICN9:25 pmIncheon Intl
24h 35m
1 stop
PDX6:00 amPortland
$900
Find similar

Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets
Air Canada
Sep 1
PDX6:15 amPortland
17h 50m
1 stop
ICN4:05 pmIncheon Intl
Sep 13
ICN5:45 pmIncheon Intl
21h 16m
1 stop
PDX11:01 pmPortland
$799
Find similar
Air Canada
Oct 1
PDX9:55 amPortland
14h 10m
1 stop
ICN4:05 pmIncheon Intl
Oct 16
ICN5:45 pmIncheon Intl
17h 01m
1 stop
PDX6:46 pmPortland
$887
Find similar
Air Canada
Sep 23
PDX6:15 amPortland
17h 50m
1 stop
ICN4:05 pmIncheon Intl
Oct 21
ICN5:45 pmIncheon Intl
13h 01m
1 stop
PDX2:46 pmPortland
$898
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to South Korea 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 August 25, 2025.
Use the filters below to find and compare flights from Portland to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

4:46 pm-7:00 pm

2 stops34h 14m

Incheon Intl

Fri 9/5

9:25 pm-12:27 pm

2 stops31h 02m

$812

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/30

5:08 pm-6:45 pm

2 stops33h 37m

Incheon Intl

Wed 12/3

6:55 pm-8:24 pm

1 stop18h 29m

$818

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 10/5

1:45 pm-6:45 pm

1 stop37h 00m

Incheon Intl

Fri 10/24

6:20 pm-4:42 pm

2 stops38h 22m

$822

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/1

9:55 am-4:05 pm

1 stop14h 10m

Incheon Intl

Thu 10/16

5:45 pm-6:46 pm

1 stop17h 01m

$887

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

7:35 pm-4:20 am

1 stop16h 45m

Incheon Intl

Mon 9/29

4:50 pm-10:45 pm

1 stop21h 55m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/3

7:04 am-4:20 am

2 stops29h 16m

Incheon Intl

Mon 9/29

4:50 pm-10:45 pm

1 stop21h 55m

$897

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/23

6:15 am-4:05 pm

1 stop17h 50m

Incheon Intl

Tue 10/21

5:45 pm-2:46 pm

1 stop13h 01m

$898

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 9/20

5:08 pm-7:45 am

2 stops22h 37m

Busan Gimhae

Sat 9/27

4:30 pm-8:25 pm

2 stops19h 55m

$1,366

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 9/20

10:20 am-7:45 am

2 stops29h 25m

Busan Gimhae

Sat 9/27

8:05 am-4:02 pm

2 stops23h 57m

$1,367

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 11/11

9:15 am-7:25 pm

2 stops17h 10m

Busan Gimhae

Fri 11/21

4:10 pm-4:45 pm

2 stops17h 35m

$1,385

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 South Korea from

How to get the cheapest flight ticket from Portland to South Korea

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 South Korea?

If you aren’t able to travel to South Korea during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $962.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,190. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to South Korea for around $1,498.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,565 on average. Flights to South Korea from Portland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,150 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Portland for as low as $989 on momondo.

Cheap Portland to South Korea flight deals and tips

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

Direct flights

None
There are no direct flights from Portland to South Korea. There are no popular flight routes from Portland to South Korea.
Search flight deals

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

    Prices for flights from Portland Airport to South Korea were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The required travel and health documents for your South Korea 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 South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to South Korea

Compare and see reviews for airlines that fly from Portland to South Korea with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $767Free CancellationRating
7.8
2,679 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
China EasternPriceFrom $822Free CancellationRating
7.2
161 reviews
Search China Eastern flights
DeltaPriceFrom $849Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
477 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to South Korea from Portland.

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

momondo does allow users to show only those flights to South Korea 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 South Korea?

Once you have performed a search for Portland to South Korea flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to South Korea from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South Korea 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.
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