Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | January |
Round-trip from | $257 (Alaska Airlines) |
One-way from | $139 (United Airlines) |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Tue 1/7
5:30 am-12:10 am
1 stop21h 40m
Seattle/Tacoma Intl
Tue 1/21
5:55 pm-10:02 pm
1 stop25h 07m
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sat 1/18
6:57 pm-10:00 pm
Nonstop6h 03m
Seattle/Tacoma Intl
Tue 1/21
9:54 am-5:57 pm
Nonstop5h 03m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 1/15
1:01 pm-3:35 pm
1 stop29h 34m
Seattle/Tacoma Intl
Wed 1/22
7:55 pm-8:59 pm
1 stop22h 04m
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sat 1/11
1:52 pm-11:11 pm
2 stops12h 19m
Seattle/Tacoma Intl
Tue 1/21
11:50 am-10:41 pm
1 stop7h 51m
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sat 1/11
5:30 pm-8:31 pm
Nonstop6h 01m
Seattle/Tacoma Intl
Tue 1/21
7:00 am-8:40 pm
1 stop10h 40m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Tue 3/4
4:15 pm-10:38 pm
1 stop9h 23m
Seattle/Tacoma Intl
Wed 3/19
11:48 pm-10:47 am
1 stop7h 59m
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Wed 2/5
6:59 pm-10:00 pm
Nonstop6h 01m
Seattle/Tacoma Intl
Sun 2/9
9:52 am-5:59 pm
Nonstop5h 07m
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Sat 1/11
6:00 am-12:31 pm
1 stop9h 31m
Seattle/Tacoma Intl
Sat 1/25
6:15 am-5:36 pm
1 stop8h 21m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Fri 1/10
7:00 am-2:19 pm
1 stop10h 19m
Seattle/Tacoma Intl
Mon 1/13
3:15 pm-12:01 pm
1 stop17h 46m
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Tue 3/4
10:03 am-12:20 am
2 stops17h 17m
Seattle/Tacoma Intl
Thu 3/6
3:16 pm-11:30 am
1 stop17h 14m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Expedia | Price Accuracy1 star | Trust Score*3 stars |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars |
eDreams | Price Accuracy3 stars | Trust Score*3 stars |
AranGrant | Price Accuracy3 stars | Trust Score*2 stars |
Cheapflightsfares | Price Accuracy3 stars | Trust Score*1 star |
Mytrip | Price Accuracy3 stars | Trust Score*3 stars |
Cheapfaremart | Price Accuracy- | Trust Score*3 stars |
Kiwi.com | Price Accuracy3 stars | Trust Score*3 stars |
Mytrip | Price Accuracy3 stars | Trust Score*3 stars |
KAYAK | Price Accuracy1 star | Trust Score*1 star |
The best time to book flights from Washington, D.C. to Seattle is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Seattle (average of $238). Flying from Washington, D.C. to Seattle in July is currently the most expensive (average of $411). 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 Washington, D.C. to Seattle at noon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Washington, D.C. to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to SEA are scheduled on a Sunday (30 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Comfort
Boarding
Food
Overall
Crew
Entertainment
Reviews
Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$90 | Average$250 | FlexibilityNo cancel fee | On-time62% |
Sun Country Air | Cheapest$144 | Average$370 | FlexibilityNo cancel fee | On-time83% |
Spirit Airlines | Cheapest$164 | Average$264 | FlexibilityNo cancel fee | On-time65% |
Delta | Cheapest$173 | Average$450 | FlexibilityNo cancel fee | On-timeN/A |
Alaska Airlines | Cheapest$210 | Average$503 | FlexibilityNo cancel fee | On-time75% |
American Airlines | Cheapest$224 | Average$420 | FlexibilityNo cancel fee | On-time71% |
JetBlue | Cheapest$248 | Average$364 | FlexibilityNo cancel fee | On-time62% |
United Airlines | Cheapest$266 | Average$462 | FlexibilityNo cancel fee | On-time69% |
Southwest | Cheapest$326 | Average$498 | FlexibilityNo cancel fee | On-time63% |