Expect long security queues at IAD, especially in the afternoon. Plan extra time to navigate the airport's complex layout.
Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $882 (CrystalTravel) |
One-way from | $490 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,599 |
Good round-trip deal | $1,177 or less |
Good one-way deal | $657 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 3 5/13
5:00 pm-8:30 pm
2 stops38h 30m
Incheon Intl
Th. 4 5/21
6:20 pm-5:55 am
1 stop24h 35m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
CN 5/11
1:30 pm-5:40 pm
1 stop39h 10m
Incheon Intl
Th. 6 5/23
11:20 pm-7:45 pm
1 stop33h 25m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 3 5/20
7:25 pm-2:05 pm
2 stops29h 40m
Incheon Intl
Th. 4 5/28
10:10 am-5:55 am
2 stops32h 45m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 5 7/17
10:25 am-5:30 pm
1 stop18h 05m
Incheon Intl
Th. 3 1/13
8:10 pm-4:22 pm
1 stop34h 12m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 3 5/13
11:47 am-8:30 pm
2 stops43h 43m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 2 5/5
5:07 pm-7:05 pm
2 stops36h 58m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 6 5/2
1:30 pm-5:40 pm
1 stop39h 10m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 3 7/15
5:31 pm-4:05 pm
2 stops33h 34m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Th. 4 7/2
6:45 pm-6:45 pm
1 stop35h 00m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
CN 6/22
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*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy1 star | 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 $1,001). Flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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.
The most flights from IAD to ICN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
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).
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$591 | Average$747 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$660 | Average$2,197 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$807 | Average$1,055 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$865 | Average$1,195 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$876 | Average$1,276 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$1,298 | Average$2,023 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$1,545 | Average$1,870 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,575 | Average$2,105 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$1,686 | Average$1,788 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$1,698 | Average$1,707 | FlexibilityNo cancel fee | On-time77% |