Cheap flights from Incheon Intl Airport to Washington from $410
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 Washington departing on 10/8. 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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Asiana Airlines flights from Incheon Intl Airport to State of Washington
Our best Asiana Airlines deals on Incheon Intl Airport to State of Washington flight tickets
Korean Air flights from Incheon Intl Airport to State of Washington
Our best Korean Air deals on Incheon Intl Airport to State of Washington flight tickets
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How to get the cheapest flight ticket from Incheon Intl Airport 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 Incheon Intl Airport, with most prices found around $651. If you aren’t able to travel to State of Washington during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $661.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from Incheon Intl Airport 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 $901. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Incheon Intl Airport to State of Washington for around $1,190.
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 $918. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,102 on average. Flights to State of Washington from Incheon Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Incheon Intl to Washington flight route?
Fly from Incheon Intl to Seattle/Tacoma Intl for the best Incheon Intl - 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 Incheon Intl Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $853 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Incheon Intl Airport for as low as $751 on momondo.
What cabin class options are available on Incheon Intl to Washington flights?
There are 4 cabin classes available to choose from on Incheon Intl 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 Incheon Intl to Washington?
Hainan Airlines, Air Canada, and Hawaiian Airlines are the most popular carriers operating from Incheon Intl 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 Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 47% 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 Incheon Intl Airport to State of Washington on average per day?
8 flights are operational daily from Incheon Intl Airport to State of Washington as of June 2025. The most popular departure time for this route is 6:00PM, with 74% of flights per day taking off in the evening.
How many flights depart from Incheon Intl Airport to State of Washington on average per week?
The number of flights available between Incheon Intl Airport and State of Washington is 57 per week as of June 2025. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.
Cheap Incheon Intl Airport to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to State of Washington
Best Price Found | $410 |
|---|---|
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 Incheon Intl Airport to Washington?
Prices for flights from Incheon Intl Airport to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Incheon Intl Airport to Washington?
There are 5 operators available for flights from Incheon Intl Airport to Washington as of June 2025.
How old do you have to be to fly from Incheon Intl Airport to Washington?
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 Incheon Intl Airport 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 Incheon Intl Airport to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Incheon Intl Airport to State of Washington is Boeing 787-10 Dreamliner, representing 35.06% of all bookings. The subsequent popular models are Airbus A350-900 at 21.77%, Boeing 777-200LR at 15.73%, and Boeing 777-300ER at 12.43%.
Best airlines flying from Incheon Intl Airport to State of Washington
Compare and see reviews for airlines that fly from Incheon Intl Airport to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $515 | Free Cancellation | Rating 8.4 1,090 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $548 | Free Cancellation | Rating 8.2 441 reviews | |||
| PriceFrom $646 | Free Cancellation | Rating 8.0 7,963 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seoul to Washington?
Finding the right flight to Washington from Seoul is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.
Can I find flights from Seoul to Washington with flexible booking policies on momondo?
Yes. All flights to Washington from Seoul on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seoul to Washington?
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 Washington.
I’m not ready to book a flight from Seoul to Washington right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seoul to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.