Cheap flights from South Korea to Washington from $356
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 Washington departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from South Korea to Washington
Recent round-trip flight deals from South Korea to Washington
Recent one-way flight deals from South Korea to Washington
Recent last minute flight deals from South Korea to Washington
Recent direct flight deals from South Korea to Washington
Korean Air flights from South Korea to State of Washington
Our best Korean Air deals on South Korea to State of Washington flight tickets
Hawaiian Airlines flights from South Korea to State of Washington
Our best Hawaiian Airlines deals on South Korea to State of Washington flight tickets
See travel insights to Washington from
How to get the cheapest flight ticket from South Korea to State of Washington
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 State of Washington?
The month of May is, on average, the cheapest month to fly to State of Washington from South Korea, with most prices found around $665. If you aren’t able to travel to State of Washington during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $666.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from South Korea to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $896. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to State of Washington for around $1,176.
What is the cheapest time of day to depart on your flight to State of Washington?
The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $908. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,099 on average. Flights to State of Washington from South Korea in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest South Korea to Washington flight route?
Fly from Incheon Intl to Seattle/Tacoma Intl for the best South Korea - Washington flight prices
How far in advance should I book a flight to State of Washington?
You are more likely to see cheaper flights to State of Washington from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $851 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from South Korea for as low as $727 on momondo.
What cabin class options are available on South Korea to Washington flights?
There are 4 cabin classes available to choose from on South Korea to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from South Korea to Washington?
Hainan Airlines, Air Canada, and WestJet are the most popular carriers operating from South Korea to Washington
What airlines fly to State of Washington?
Asiana Airlines, Korean Air and Delta are the top three most popular airlines that fly to State of Washington from South Korea according to our data. Asiana Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.
How many flights depart from South Korea to State of Washington on average per day?
As of June 2025, 7 flights take off from South Korea and land in State of Washington each day. The most common flight departure time for this route is 6:00PM, with 75% of daily flights taking off in the evening.
How many flights depart from South Korea to State of Washington on average per week?
As of June 2025, 50 flights take off from South Korea and land in State of Washington each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.
Cheap South Korea to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South Korea to State of Washington
Best Price Found | $356 |
|---|---|
Fastest flight time | 9h 50m |
Direct flights | Every day |
Airports in State of Washington | 3 airports |
When did momondo last update prices for flights from South Korea to Washington?
Prices for flights from South Korea to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from South Korea to Washington?
As of June 2025, there are 5 operators available to choose from for flights from South Korea to Washington.
How old do you have to be to fly from South Korea to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from South Korea to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from South Korea to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from South Korea to State of Washington is Boeing 787-10 Dreamliner (35.09% of total bookings). The next most popular plane models are Airbus A350-900 (21.54%), Boeing 777-200LR (15.92%), and Boeing 777-300ER (12.32%).
Best airlines flying from South Korea to State of Washington
Compare and see reviews for airlines that fly from South Korea to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 7.1 9,633 reviews | |||
| PriceFrom $515 | Free Cancellation | Rating 8.4 1,096 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 8.1 449 reviews | |||
| PriceFrom $643 | Free Cancellation | Rating 8.0 7,964 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from South Korea to Washington?
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 Washington from South Korea.
Can I find flights from South Korea to Washington with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington from South Korea which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from South Korea to Washington?
momondo provides multiple filters to help you find the best flight to Washington 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 Washington right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington from South Korea. 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.