
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $922 (Kiwi.com) |
One-way from | $357 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,688 |
Good round-trip deal | $620 or less |
Good one-way deal | $426 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Sat 9/5
1:15 am-6:45 pm
1 stop28h 30m
Incheon Intl
Wed 9/9
12:00 pm-10:00 pm
1 stop23h 00m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 8/3
6:23 am-12:40 pm
2 stops41h 17m
Incheon Intl
Wed 8/19
1:40 pm-5:00 am
2 stops28h 20m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Sun 9/6
7:59 pm-5:10 am
1 stop20h 11m
Incheon Intl
Wed 9/9
10:25 am-11:05 am
Nonstop13h 40m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 4/13
7:19 pm-4:00 am
1 stop19h 41m
Incheon Intl
Wed 4/22
10:25 am-11:15 am
Nonstop13h 50m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Sat 4/18
1:15 pm-5:40 pm
Nonstop15h 25m
Incheon Intl
Sat 4/25
4:25 pm-12:27 am
1 stop21h 02m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Thu 6/25
6:00 am-12:25 am
2 stops29h 25m
Incheon Intl
Mon 7/20
1:55 am-11:59 pm
2 stops35h 04m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Thu 5/21
7:00 am-4:40 pm
1 stop20h 40m
Incheon Intl
Thu 10/29
10:15 am-10:50 am
Nonstop13h 35m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 6/1
7:00 am-4:40 pm
1 stop20h 40m
Incheon Intl
Sat 6/13
10:25 am-11:15 am
Nonstop13h 50m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 5/25
1:15 pm-5:40 pm
Nonstop15h 25m
Incheon Intl
Tue 10/20
10:25 am-11:05 am
Nonstop13h 40m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Thu 6/4
10:11 am-5:50 pm
1 stop18h 39m
Incheon Intl
Wed 6/10
10:25 am-11:15 am
Nonstop13h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport (average of $363). Flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport in July is currently the most expensive (average of $1,153). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 27% of weekly flights between Washington, D.C. and Incheon have experienced delays in the past year, with the average delay time being 107 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Korean Air have had the lowest number of delays on this route, with just 27% of flights being delayed.
Beijing (PEK) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport on Cheapflights.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $1,031.
Flights via Beijing (PEK) have the shortest average one-way travel time for 1-stop routes: 23h 35m.
Flights via Beijing (PEK) offer the fastest connection on this route, with an average layover time of 3h 20m.
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$1,765 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$367 | Average$1,576 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$591 | Average$756 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$595 | Average$1,350 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$685 | Average$1,361 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$759 | Average$2,072 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$809 | Average$1,042 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$816 | Average$1,755 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,553 | Average$1,931 | FlexibilityNo cancel fee | On-time81% |