Cheap flights from South Korea to Portland from $448
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Portland departing on 8/25. 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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How to get the cheapest flight ticket from South Korea 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 South Korea is in January. Flight prices, which tend to average around $801, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until May to fly from South Korea, when ticket prices are also cheap, with an average price of $831.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $792. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Wednesday, with ticket prices averaging around $1,300.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $881. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $1,239 per ticket.
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from South Korea when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $977 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from South Korea for as low as $702 on momondo.
What is the cheapest airline that flies from South Korea to Portland?
Air Canada, United Airlines, and Alaska Airlines are the most popular carriers operating from South Korea to Portland
What airlines fly to Portland?
Air Canada, Korean Air and Delta are the top three most popular airlines that fly to Portland from South Korea 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 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.
Cheap South Korea to Portland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South Korea to Portland
When did momondo last update prices for flights from South Korea to Portland Airport?
Prices for flights from South Korea to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from South Korea to Portland Airport?
As of June 2025, there are 3 operators available to choose from for flights from South Korea to Portland Airport.
How old do you have to be to fly from South Korea 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 South Korea 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 South Korea to Portland
Compare and see reviews for airlines that fly from South Korea to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 7.1 9,502 reviews | |||
| PriceFrom $708 | Free Cancellation | Rating 8.0 7,956 reviews | |||
| PriceFrom $719 | Free Cancellation | Rating 8.4 1,084 reviews |
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Why should I use momondo to find a flight deal from South Korea to Portland?
It is quick and easy to find South Korea to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.
Can I find flights from South Korea to Portland with flexible booking policies on momondo?
All flight searches from South Korea to Portland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from South Korea to Portland?
momondo provides multiple filters to help you find the best flight to Portland from South Korea. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from South Korea to Portland right now. Can momondo alert me if prices change?
Price alerts on flights to Portland from South Korea 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.