Cheap flights from Seoul to Oregon from $409
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Oregon departing on 7/14. 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 Seoul to Oregon
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 Oregon?
The month of May is, on average, the cheapest month to fly to Oregon from Seoul, with most prices found around $757. The month of September is another great option to travel to Oregon, with average flight prices from Seoul averaging around $792.
What is the cheapest day to depart on your flight to Oregon?
On average, the least expensive day to fly to Oregon from Seoul is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,023. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $1,260.
What is the cheapest time of day to depart on your flight to Oregon?
According to our data, the cheapest time of day to fly to Oregon is in the afternoon. momondo users have found flights departing from Seoul to Oregon in the afternoon for as low as $1,149. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the evening, with an average ticket price of $1,281. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Oregon?
You are more likely to see cheaper flights to Oregon from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $970 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Seoul for as low as $702 on momondo.
What is the cheapest airline that flies from Seoul to Oregon?
United Airlines, Alaska Airlines, and Air Canada are the most popular carriers operating from Seoul to Oregon
What airlines fly to Oregon?
Air Canada, Korean Air and Delta are the top three most popular airlines that fly to Oregon from Seoul according to our data. Air Canada is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 3 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.
Cheap Seoul to Oregon flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seoul to Oregon
When did momondo last update prices for flights from Seoul to Oregon?
Prices for flights from Seoul to Oregon were last updated today.
How many operators does momondo search for flights from Seoul to Oregon?
As of June 2025, there are 3 operators available to choose from for flights from Seoul to Oregon.
How old do you have to be to fly from Seoul to Oregon?
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 Seoul to Oregon.
What documentation or ID do you need to fly to Oregon?
The necessary travel and health documents for your Oregon trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seoul to Oregon
Compare and see reviews for airlines that fly from Seoul to Oregon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 7.1 9,568 reviews | |||
| PriceFrom $708 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $719 | Free Cancellation | Rating 8.4 1,090 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seoul to Oregon?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to Oregon. momondo saves you time and could save you money on your trip.
Can I find flights from Seoul to Oregon with flexible booking policies on momondo?
momondo does allow users to show only those flights to Oregon from Seoul which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seoul to Oregon?
Once all potential Seoul to Oregon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seoul to Oregon right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seoul to Oregon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.