Popular in | June |
---|---|
Cheapest in | January |
Round-trip from | C$ 359 |
One-way from | C$ 278 |
Travellers have found that booking a Wednesday departure is the best way to save up to 43% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 68% on flights from Seattle to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 613. For sooner than that we have options available in the next 3 days from C$ 870.
February is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Seattle. Prices for February average C$ 552 per person but you can even find prices for as low as C$ 171. The most expensive prices can be found in the month of June. Opting for a February flight can save you 25% on your journey compared to booking in June
A simple way to save on the total cost of your ticket is to fly from Seattle to Washington, D.C. Dulles Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the afternoon.
Fly from
Fly to
Budget
C$ 380 - C$ 558
Route
Depart
Return
Price
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 29/5
Nonstop5h 12m
Washington, D.C. Dulles Intl
Tue 4/6
Nonstop5h 30m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 30/5
Nonstop5h 03m
Washington, D.C. Dulles Intl
Wed 5/6
Nonstop5h 49m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 12/7
1 stop18h 38m
Washington, D.C. Dulles Intl
Tue 23/7
1 stop8h 27m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 5/6
Nonstop4h 59m
Washington, D.C. Dulles Intl
Tue 11/6
1 stop10h 45m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 31/5
Nonstop5h 03m
Washington, D.C. Dulles Intl
Sun 2/6
Nonstop5h 49m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 6/6
Nonstop4h 59m
Washington, D.C. Dulles Intl
Tue 11/6
1 stop10h 45m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 31/5
1 stop17h 48m
Washington, D.C. Dulles Intl
Mon 3/6
1 stop20h 15m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 13/6
Nonstop4h 59m
Washington, D.C. Dulles Intl
Mon 17/6
Nonstop5h 44m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 13/6
1 stop9h 58m
Washington, D.C. Dulles Intl
Mon 17/6
2 stops10h 40m
Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. Dulles Intl Airport (average of C$ 250). Flying from Seattle to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 387). 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.
January
C$ 384
February
C$ 352
March
C$ 385
April
C$ 377
May
C$ 430
June
C$ 481
July
C$ 530
August
C$ 481
September
C$ 343
October
C$ 371
November
C$ 424
December
C$ 366
WAS Temperature | 2 - 27 °C |
---|
Food
Comfort
Overall
Crew
Entertainment
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Food
Comfort
Overall
Crew
Entertainment
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Food
Comfort
Overall
Crew
Entertainment
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Food
Comfort
Overall
Crew
Entertainment
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Food
Comfort
Overall
Crew
Entertainment
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
34%of flight departures | Morning6 am to noon |
56%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |
Sunday | 16daily flights |
---|---|
Monday | 17daily flights |
Tuesday | 14daily flights |
Wednesday | 15daily flights |
Thursday | 14daily flights |
Friday | 16daily flights |
Saturday | 16daily flights |
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