Cheap flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport from $525
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
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 Washington, D.C. Reagan-National Airport to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Air Canada flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
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 Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from Washington, D.C. Reagan-National Airport is in January. Flight prices, which tend to average around $875, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from Washington, D.C. Reagan-National Airport during the month February is also very affordable. Most momondo users find prices during this month for around $902.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,619. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,798. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
In the evening is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport when you can find flight prices for as low as $1,169. Flying to Incheon Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,780 on average. Flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport at noon 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 Incheon Intl Airport?
You are more likely to see cheaper flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,468 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport for as low as $1,084 on momondo.
What is the cheapest airline that flies from Washington, D.C. Reagan-National to Incheon Intl?
Cathay Pacific, Air Canada, and WestJet are the most popular carriers operating from Washington, D.C. Reagan-National to Incheon Intl
What airlines fly to Incheon Intl Airport?
Air Canada, American Airlines and Korean Air are the top three most popular airlines that fly to Incheon Intl Airport from Washington, D.C. Reagan-National Airport according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
Cheap Washington, D.C. Reagan-National Airport to Incheon Intl Airport (DCA to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
How far is Washington, D.C. Reagan-National to Incheon Intl by plane?
Washington, D.C. Reagan-National and Incheon Intl are 6952.5 mi apart from one another. Typically, this will take 17h 30m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?
As of February 2025, there are 4 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Incheon Intl 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The necessary travel and health documents for your Incheon Intl Airport 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.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is Air Canada (61% of total bookings). The next most popular airlines are American Airlines (18%), Korean Air (17%), and Delta (4%).
Best airlines flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $867 | Free Cancellation | Rating 7.0 8,773 reviews | |||
| PriceFrom $877 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,206 | Free Cancellation | Rating 8.0 8,175 reviews | |||
| PriceFrom $1,527 | Free Cancellation | Rating 8.4 1,037 reviews |
Traveling to a place near Seoul?
Book flights to Seoul if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?
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 Seoul from Washington, D.C..
Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?
Yes. All flights to Seoul from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Seoul?
Once all potential Washington, D.C. to Seoul 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 Washington, D.C. to Seoul right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Seoul 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.