
Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $365 (Trip.com)  | 
Popular in | August | 
Cheapest in | September | 
Average price | $967 | 
Good round-trip deal | $1,418 or less | 
Good one-way deal | $1,077 or less | 
Fly from
Fly to
Route
Depart
Return
Price
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
Thu 11/20
6:55 pm-12:19 pm
2 stops31h 24m
Washington, D.C. Reagan-National
Wed 12/3
12:55 pm-4:00 pm
2 stops37h 05m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
Thu 12/4
6:55 pm-8:59 pm
2 stops40h 04m
Washington, D.C. Dulles Intl
Sat 1/10
9:45 am-5:10 pm
2 stops41h 25m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
Tue 12/2
6:55 pm-8:59 pm
2 stops40h 04m
Washington, D.C. Dulles Intl
Sat 1/10
9:45 am-5:10 pm
2 stops41h 25m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
Thu 11/20
6:55 pm-12:19 pm
2 stops31h 24m
Washington, D.C. Reagan-National
Thu 11/27
12:55 pm-5:10 pm
2 stops38h 15m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
Thu 12/4
6:55 pm-11:39 am
2 stops30h 44m
Washington, D.C. Dulles Intl
Sun 1/11
10:06 pm-6:25 pm
1 stop30h 19m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
Mon 12/22
8:10 pm-12:19 pm
2 stops30h 09m
Washington, D.C. Reagan-National
Wed 12/31
6:00 am-4:00 pm
2 stops44h 00m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
Sat 11/22
8:10 pm-6:05 pm
1 stop35h 55m
Washington, D.C. Reagan-National
Sun 11/30
6:59 am-6:25 pm
1 stop21h 26m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
Tue 11/18
8:10 pm-10:35 pm
1 stop16h 25m
Washington, D.C. Reagan-National
Wed 1/21
9:40 am-6:25 pm
1 stop18h 45m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
Wed 12/31
6:00 pm-5:19 am
2 stops25h 19m
Washington, D.C. Dulles Intl
Mon 1/26
1:05 pm-5:40 am
2 stops26h 35m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
Fri 1/30
12:45 pm-4:30 pm
1 stop17h 45m
Washington, D.C. Dulles Intl
Mon 2/23
6:05 pm-5:40 am
1 stop21h 35m
Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to District of Columbia (average of $412). Flying from Incheon Intl Airport to District of Columbia in July is currently the most expensive (average of $954). 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 Incheon Intl Airport to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from ICN to USDC 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).
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$501 | Average$852 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$649 | Average$1,520 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$688 | Average$973 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,185 | Average$1,406 | FlexibilityNo cancel fee | On-time81% |