Expect long security queues at IAD, especially in the afternoon. Plan extra time to navigate the airport's complex layout.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $901 (FlightHub) |
One-way from | $483 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,649 |
Good round-trip deal | $1,389 or less |
Good one-way deal | $592 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Sat 3/29
5:35 pm-4:35 pm
1 stop34h 00m
Incheon Intl
Sat 5/3
1:05 pm-7:30 pm
1 stop19h 25m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 3/31
1:30 pm-5:40 pm
1 stop39h 10m
Incheon Intl
Sat 4/12
10:20 am-11:45 am
1 stop38h 25m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Wed 5/14
6:45 pm-6:45 pm
1 stop35h 00m
Incheon Intl
Tue 5/27
1:30 pm-4:14 pm
2 stops39h 44m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 5/6
5:38 pm-2:05 pm
2 stops31h 27m
Incheon Intl
Tue 5/27
3:10 pm-5:55 am
2 stops27h 45m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 4/21
7:31 am-10:15 pm
2 stops49h 44m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 4/22
11:00 pm-4:35 pm
1 stop28h 35m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 5/6
1:30 pm-5:40 pm
1 stop39h 10m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Fri 5/30
6:45 pm-6:45 pm
1 stop35h 00m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Fri 4/4
10:19 pm-4:05 pm
2 stops28h 46m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Fri 5/9
11:00 am-10:40 am
1 stop34h 40m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Booking 28 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport (average of $1,002). Flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport in June is currently the most expensive (average of $1,661). 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.
It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.
If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Chris,Mar 2025
SEA - ICN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$802 | Average$1,070 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$864 | Average$1,193 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$876 | Average$1,164 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$1,312 | Average$1,958 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$1,548 | Average$1,863 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,559 | Average$1,787 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$1,575 | Average$1,974 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$1,583 | Average$1,710 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$1,605 | Average$2,279 | FlexibilityNo cancel fee | On-time69% |