Cheap flights from Incheon Intl Airport to Portland from $520
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Portland departing on 11/23. 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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Use the filters below to find and compare flights from Incheon Intl Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Tue 11/24
6:55 pm-6:31 pm
1 stop16h 36m
Portland
Tue 12/1
7:10 pm-5:10 pm
1 stop29h 00m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Sun 11/22
6:55 pm-2:41 pm
1 stop12h 46m
Portland
Sun 11/29
7:10 pm-5:10 pm
1 stop29h 00m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Sat 11/7
6:55 pm-8:46 pm
1 stop18h 51m
Portland
Fri 11/13
7:00 am-5:10 pm
1 stop17h 10m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Fri 1/22
1:05 pm-8:50 pm
2 stops24h 45m
Portland
Sat 2/6
10:59 am-9:20 pm
1 stop17h 21m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Thu 1/21
1:05 pm-8:50 pm
2 stops24h 45m
Portland
Sat 2/6
10:59 am-9:20 pm
1 stop17h 21m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Wed 1/20
1:05 pm-8:50 pm
2 stops24h 45m
Portland
Sat 2/6
10:59 am-9:20 pm
1 stop17h 21m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Mon 11/16
6:45 pm-10:52 am
1 stop33h 07m
Portland
Sat 11/28
5:51 pm-5:45 pm
1 stop30h 54m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Mon 11/16
6:40 pm-4:29 pm
1 stop14h 49m
Portland
Sat 11/28
1:30 pm-4:20 pm
1 stop33h 50m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Tue 12/29
2:30 pm-1:47 pm
1 stop16h 17m
Portland
Thu 1/7
6:00 am-4:20 pm
1 stop17h 20m
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Tue 12/29
2:30 pm-10:53 pm
1 stop25h 23m
Portland
Wed 1/13
7:40 pm-5:45 pm
1 stop29h 05m
See travel insights to Portland from
How to get the cheapest flight ticket from Incheon Intl Airport 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 Incheon Intl Airport is in November. Flight prices, which tend to average around $617, 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 Incheon Intl Airport, when ticket prices are also cheap, with an average price of $621.
How have Incheon Intl Airport to Portland flight prices changed over time?
As of October 2026, prices for Incheon Intl Airport to Portland flights are approximately 22% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Incheon Intl to Portland?
Alaska Airlines is the most popular carrier operating from Incheon Intl to Portland
What airlines fly to Portland?
Delta, Korean Air and Air Canada are the top three most popular airlines that fly to Portland from Incheon Intl Airport according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
When to book flights from Incheon Intl Airport to Portland
Cheap Incheon Intl Airport to Portland (ICN to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Portland
Frequently asked questions about flying from Incheon Intl Airport to Portland
How far is Incheon Intl to Portland by plane?
Incheon Intl and Portland are 5272.8 mi apart from one another. Flights usually cover this in 14h 49m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Incheon Intl Airport to Portland Airport?
Prices for flights from Incheon Intl Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from Incheon Intl Airport to Portland Airport?
The number of operators available for flights from Incheon Intl Airport to Portland Airport is 3 as of October 2026.
How old do you have to be to fly from Incheon Intl Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport 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.
What is the most popular airline from Incheon Intl Airport to Portland?
Based on momondo bookings for flights between Incheon Intl Airport and Portland, the leading airline is Delta, making up 34% of the total bookings. Other popular airlines include Korean Air with 34% and Air Canada with 32%.
Best airlines flying from Incheon Intl Airport to Portland
Compare and see reviews for airlines that fly from Incheon Intl Airport to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $565 | Free Cancellation | Rating 7.1 11,764 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 7.8 8,652 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 8.4 1,217 reviews |
Traveling to a place near Portland?
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Why should I use momondo to find a flight deal from Seoul to Portland?
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 Portland from Seoul.
Can I find flights from Seoul to Portland with flexible booking policies on momondo?
All flight searches from Seoul to Portland on momondo can be filtered to show those which offer 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?
Yes momondo offers price alerts on flights to Portland from Seoul. 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.