Cheap flights from Portland to South Korea 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 South Korea departing on 2/27. 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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Fly from
Fly to
Route
Depart
Return
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 12/2
10:56 am-9:20 pm
1 stop17h 24m
Incheon Intl
Mon 12/14
7:45 pm-11:31 pm
1 stop20h 46m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 12/2
10:56 am-9:20 pm
1 stop17h 24m
Incheon Intl
Fri 12/11
7:45 pm-11:31 pm
1 stop20h 46m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
7:15 pm-5:10 pm
1 stop28h 55m
Incheon Intl
Thu 11/12
6:55 pm-6:31 pm
1 stop16h 36m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
7:15 pm-5:10 pm
1 stop28h 55m
Incheon Intl
Thu 11/5
6:55 pm-6:31 pm
1 stop16h 36m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 11/21
5:42 pm-5:35 pm
2 stops30h 53m
Incheon Intl
Mon 12/14
8:00 pm-11:31 pm
2 stops20h 31m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 11/21
7:55 pm-5:35 pm
2 stops28h 40m
Incheon Intl
Sun 12/13
8:00 pm-9:50 am
2 stops30h 50m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 10/29
9:31 am-3:55 pm
1 stop14h 24m
Incheon Intl
Thu 11/5
4:10 pm-11:49 am
1 stop12h 39m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
5:49 pm-5:45 pm
1 stop30h 56m
Incheon Intl
Tue 11/17
6:40 pm-12:18 pm
1 stop34h 38m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 11/10
9:16 am-5:45 pm
1 stop15h 29m
Incheon Intl
Sun 11/15
6:45 pm-5:10 pm
1 stop15h 25m
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 12/19
7:41 pm-5:20 am
1 stop16h 39m
Incheon Intl
Wed 12/30
2:30 pm-10:53 pm
1 stop25h 23m
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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $964.
How far in advance should I book a flight from Portland 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 $1,284 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 $1,042 on momondo.
What is the cheapest airline that flies from Portland to South Korea?
Air Canada and United Airlines are the most popular carriers operating from Portland to South Korea
What airlines fly to South Korea?
Air Canada, Delta and Asiana Airlines are the top three most popular airlines that fly to South Korea from Portland according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 6 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.
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
Frequently asked questions about flying from Portland to South Korea
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?
The number of operators available for flights from Portland Airport to South Korea is 6 as of October 2026.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $131 | Free Cancellation | Rating 7.9 13,018 reviews | |||
| PriceFrom $791 | Free Cancellation | Rating 7.1 11,728 reviews | |||
| PriceFrom $914 | Free Cancellation | Rating 8.1 563 reviews | |||
| PriceFrom $915 | Free Cancellation | Rating 7.4 10,289 reviews | |||
| PriceFrom $921 | Free Cancellation | Rating 7.8 8,630 reviews | |||
| PriceFrom $1,172 | Free Cancellation | Rating 8.4 1,218 reviews |
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.