
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $873 (oojo) |
One-way from | $426 (oojo) |
Popular in | December |
Cheapest in | March |
Average price | $1,204 |
Good round-trip deal | $1,131 or less |
Good one-way deal | $554 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 5/19
9:45 pm-5:40 pm
1 stop30h 55m
Incheon Intl
Mon 5/25
11:20 pm-11:35 am
1 stop25h 15m
Washington, D.C.Busan
IAD - PUS
IADPUS
Washington, D.C. Dulles Intl
Fri 3/13
11:00 pm-8:50 pm
2 stops32h 50m
Busan Gimhae
Fri 3/20
12:45 pm-7:30 pm
1 stop19h 45m
Washington, D.C.Jeju City
IAD - CJU
IADCJU
Washington, D.C. Dulles Intl
Fri 3/13
11:00 pm-2:15 pm
1 stop26h 15m
Jeju City
Fri 3/20
9:10 am-7:30 pm
2 stops23h 20m
Washington, D.C.Busan
IAD - PUS
IADPUS
Washington, D.C. Dulles Intl
Fri 3/13
11:00 pm-11:45 am
1 stop23h 45m
Busan Gimhae
Fri 3/20
12:45 pm-7:30 pm
1 stop19h 45m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 5/26
9:45 am-9:20 pm
2 stops22h 35m
Incheon Intl
Wed 7/8
7:05 pm-11:16 am
2 stops29h 11m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Wed 7/22
6:55 pm-5:30 pm
2 stops33h 35m
Incheon Intl
Wed 8/19
7:35 pm-11:59 pm
1 stop17h 24m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Mon 7/6
6:05 am-5:30 pm
1 stop22h 25m
Incheon Intl
Wed 7/29
7:35 pm-7:32 am
1 stop24h 57m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Wed 7/15
6:55 pm-5:30 pm
2 stops33h 35m
Incheon Intl
Wed 7/29
7:35 pm-4:01 pm
1 stop33h 26m
Washington, D.C.Seoul
IAD - GMP
IADGMP
Washington, D.C. Dulles Intl
Wed 4/8
1:10 pm-11:05 am
2 stops32h 55m
Seoul Gimpo Intl
Wed 7/8
7:55 pm-2:03 pm
2 stops31h 08m
Washington, D.C.Incheon
IAD - ICN
IADICN
Washington, D.C. Dulles Intl
Tue 4/28
1:15 pm-5:40 pm
Nonstop15h 25m
Incheon Intl
Mon 6/1
10:25 am-11:15 am
Nonstop13h 50m
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Korea (average of $380). Flying from Washington, D.C. Dulles Intl Airport to South Korea 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.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to South Korea is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 61% on airfare.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to South Korea flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAD to KR0 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).
About 31% of weekly flights between Washington, D.C. and South Korea have experienced delays in the past year, with the average delay time being 115 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning 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 31% of flights being delayed.
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Crew
Boarding
Overall
Entertainment
Food
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$317 | Average$1,566 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$1,809 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$591 | Average$1,125 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$759 | Average$2,072 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$791 | Average$1,005 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$807 | Average$1,559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$877 | Average$1,712 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$972 | Average$1,552 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,553 | Average$2,058 | FlexibilityNo cancel fee | On-time81% |