
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $340 (Trip.com) | 
| One-way from | $323 (Kiwi.com) | 
| Popular in | August | 
| Cheapest in | September | 
| Average price | $982 | 
| Good round-trip deal | $1,392 or less | 
| Good one-way deal | $1,080 or less | 
Fly from
Fly to
Route
Depart
Return
Price
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
dom. 11/23
6:55 pm-10:26 am
2 stops29h 31m
Washington, D.C. Reagan-National
vie. 11/28
12:55 pm-5:10 pm
2 stops38h 15m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
mié. 12/24
5:55 pm-10:35 pm
2 stops42h 40m
Washington, D.C. Reagan-National
lun. 2/23
4:10 pm-5:10 pm
2 stops59h 00m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
jue. 11/13
6:55 pm-10:26 am
2 stops29h 31m
Washington, D.C. Reagan-National
jue. 11/27
6:50 pm-5:10 pm
2 stops32h 20m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
lun. 2/2
8:35 pm-4:09 pm
1 stop33h 34m
Washington, D.C. Reagan-National
vie. 2/20
8:00 am-6:35 pm
1 stop20h 35m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
jue. 2/19
8:35 pm-5:55 am
1 stop23h 20m
Washington, D.C. Dulles Intl
jue. 3/5
7:00 am-6:35 pm
1 stop21h 35m
IncheonBaltimore
ICN - BWI
ICNBWI
Incheon Intl
mar. 11/18
7:15 pm-10:14 am
2 stops28h 59m
Baltimore/Washington
mar. 12/2
7:37 pm-4:45 pm
2 stops31h 08m
IncheonWashington, D.C.
ICN - DCA
ICNDCA
Incheon Intl
vie. 11/14
12:45 pm-9:43 pm
1 stop22h 58m
Washington, D.C. Reagan-National
jue. 11/27
5:59 pm-5:40 am
1 stop21h 41m
IncheonBaltimore
ICN - BWI
ICNBWI
Incheon Intl
mié. 11/12
12:45 pm-7:21 pm
2 stops44h 36m
Baltimore/Washington
lun. 11/24
6:35 pm-5:40 am
1 stop21h 05m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
mar. 3/17
5:00 pm-8:48 pm
1 stop16h 48m
Washington, D.C. Dulles Intl
lun. 3/23
6:25 am-3:15 pm
1 stop19h 50m
IncheonWashington, D.C.
ICN - IAD
ICNIAD
Incheon Intl
dom. 3/15
11:45 am-7:30 am
1 stop32h 45m
Washington, D.C. Dulles Intl
dom. 3/22
10:05 pm-3:15 pm
1 stop28h 10m
Currently, October is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $412). Flying from South Korea to Washington, D.C. 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.
It’s typically best to fly out from South Korea to Washington, D.C. at noon. Doing so could potentially save you 65% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their South Korea to Washington, D.C. flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$501 | Average$964 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$649 | Average$1,519 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$688 | Average$973 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,185 | Average$1,407 | FlexibilityNo cancel fee | On-time81% |