Cheap flights from Portland to South Korea from $405
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 8/18. 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 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 March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $980.
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 $1,182 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.
What is the cheapest airline that flies from Portland to South Korea?
Air Canada, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Portland to South Korea
What airlines fly to South Korea?
Air Canada, Korean Air and Delta 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 51% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 7 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
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 7 as of July 2025.
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 $403 | Free Cancellation | Rating 7.8 2,556 reviews | |||
| PriceFrom $809 | Free Cancellation | Rating 7.1 9,685 reviews | |||
| PriceFrom $822 | Free Cancellation | Rating 7.2 151 reviews | |||
| PriceFrom $849 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $907 | Free Cancellation | Rating 7.4 8,843 reviews | |||
| PriceFrom $912 | Free Cancellation | Rating 8.2 454 reviews | |||
| PriceFrom $1,082 | Free Cancellation | Rating 8.4 1,105 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.