
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $218 (Frontier) |
One-way from | $125 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $397 |
Good round-trip deal | $399 or less |
Good one-way deal | $196 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Thu 2/5
4:44 pm-7:43 pm
Nonstop5h 59m
Seattle/Tacoma Intl
Sun 2/8
7:20 am-3:20 pm
Nonstop5h 00m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 1/14
4:44 pm-7:43 pm
Nonstop5h 59m
Seattle/Tacoma Intl
Sun 1/18
7:20 am-3:20 pm
Nonstop5h 00m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Thu 1/8
4:44 pm-7:43 pm
Nonstop5h 59m
Seattle/Tacoma Intl
Sun 1/11
7:20 am-3:20 pm
Nonstop5h 00m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 1/7
5:10 pm-11:22 pm
1 stop9h 12m
Seattle/Tacoma Intl
Sun 1/11
7:20 am-3:20 pm
Nonstop5h 00m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Thu 1/15
8:59 am-5:29 pm
1 stop11h 30m
Seattle/Tacoma Intl
Sat 1/17
6:00 am-5:56 pm
1 stop8h 56m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 1/7
8:00 am-11:09 am
Nonstop6h 09m
Seattle/Tacoma Intl
Fri 1/9
1:55 pm-9:59 pm
Nonstop5h 04m
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 2/14
4:44 pm-10:42 pm
1 stop8h 58m
Spokane
Tue 2/17
5:00 am-3:20 pm
1 stop7h 20m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Sat 2/21
5:50 pm-12:59 am
1 stop10h 09m
Seattle/Tacoma Intl
Sun 3/1
11:45 pm-10:29 am
1 stop7h 44m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 1/14
8:00 am-10:55 am
Nonstop5h 55m
Seattle/Tacoma Intl
Fri 1/16
9:45 pm-4:01 pm
1 stop15h 16m
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 1/10
8:00 am-7:03 pm
1 stop14h 03m
Spokane
Sun 1/18
6:48 am-9:00 pm
1 stop11h 12m
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to State of Washington (average of $141). Flying from Washington, D.C. Reagan-National Airport to State of Washington in January is currently the most expensive (average of $276). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Washington, D.C. Reagan-National Airport to State of Washington by exploring options for tickets in the evening.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to State of Washington flight should consider departing on Monday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from DCA to USWA are scheduled on a Wednesday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Marcie,Nov 2025
PIT - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$522 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$205 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$543 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$291 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$503 | FlexibilityNo cancel fee | On-time63% |