
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (United Airlines) |
One-way from | $126 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $428 |
Good round-trip deal | $223 or less |
Good one-way deal | $198 or less |
Fly from
Fly to
Route
Depart
Return
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 4/30
9:04 pm-5:41 pm
1 stop17h 37m
Washington, D.C. Dulles Intl
Sun 5/3
6:47 pm-9:26 am
1 stop17h 39m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Sun 4/12
10:35 pm-10:59 am
1 stop9h 24m
Washington, D.C. Reagan-National
Sat 4/25
4:34 pm-11:12 pm
1 stop9h 38m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Mon 5/11
11:55 pm-11:05 am
1 stop8h 10m
Washington, D.C. Reagan-National
Thu 5/14
3:35 pm-12:05 am
1 stop11h 30m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 4/22
10:40 pm-9:15 am
1 stop7h 35m
Washington, D.C. Dulles Intl
Wed 4/29
7:00 am-12:27 pm
1 stop8h 27m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 4/22
12:35 pm-1:25 am
1 stop9h 50m
Washington, D.C. Dulles Intl
Tue 4/28
9:55 am-3:15 pm
1 stop8h 20m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 5/6
1:07 pm-9:16 pm
Nonstop5h 09m
Washington, D.C. Dulles Intl
Fri 5/8
9:00 am-11:48 am
Nonstop5h 48m
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Wed 4/22
5:30 am-6:59 pm
2 stops10h 29m
Washington, D.C. Reagan-National
Tue 4/28
6:59 am-11:41 am
1 stop7h 42m
PascoWashington, D.C.
PSC - IAD
PSCIAD
Pasco Tri Cities
Wed 4/29
7:30 pm-5:50 am
1 stop7h 20m
Washington, D.C. Dulles Intl
Sat 5/2
9:00 am-3:42 pm
1 stop9h 42m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 5/8
11:05 pm-10:22 am
1 stop8h 17m
Washington, D.C. Dulles Intl
Mon 5/11
5:21 pm-10:48 pm
1 stop8h 27m
PullmanWashington, D.C.
PUW - IAD
PUWIAD
Pullman Moscow Regional
Tue 4/28
3:23 pm-12:09 am
1 stop29h 46m
Washington, D.C. Dulles Intl
Sat 5/2
9:00 am-2:46 pm
1 stop8h 46m
Currently, January is the cheapest month in which you can book a flight from State of Washington to District of Columbia (average of $91). Flying from State of Washington to District of Columbia in November is currently the most expensive (average of $209). 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 State of Washington to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 30% versus a flight at noon.
Travelers seeking maximum savings on their State of Washington to District of Columbia flight should consider departing on Wednesday afternoons 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 USWA to USDC are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Comfort
Crew
Boarding
Food
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$410 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$371 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$539 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$218 | Average$484 | FlexibilityNo cancel fee | On-time69% |