Popular in | June |
---|---|
Cheapest in | February |
Round-trip from | $234 |
One-way from | $143 |
Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 28% on the overall cost on flights from Seattle to Washington, D.C. Dulles Intl Airport.
To save on the cost of your flight from Seattle to Washington, D.C. Dulles Intl Airport, book at least 43 days before your planned departure. Booking around this time can save you about 90% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $388 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $573.
January can be a great time to fly to Washington, D.C. Dulles Intl Airport from Seattle with a flight ticket averaging about $402. Cheapflights users have found deals in the month of January for as cheap as $128. The most expensive prices can be found in the month of 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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.
Fly from
Fly to
Budget
$217 - $345
Route
Depart
Return
Price
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Sun 4/21
1 stop14h 37m
Washington, D.C. Dulles Intl
Wed 4/24
1 stop7h 55m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/10
Nonstop4h 51m
Washington, D.C. Dulles Intl
Wed 4/17
1 stop7h 10m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 4/9
2 stops43h 56m
Washington, D.C. Dulles Intl
Wed 4/17
1 stop7h 10m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 4/18
1 stop16h 17m
Washington, D.C. Dulles Intl
Wed 4/24
1 stop7h 55m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 4/11
Nonstop4h 55m
Washington, D.C. Dulles Intl
Tue 4/16
Nonstop5h 53m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/17
Nonstop4h 56m
Washington, D.C. Dulles Intl
Wed 4/24
1 stop10h 38m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 4/30
Nonstop4h 56m
Washington, D.C. Dulles Intl
Wed 5/8
Nonstop5h 40m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 4/9
1 stop10h 46m
Washington, D.C. Dulles Intl
Tue 4/16
1 stop9h 50m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/10
2 stops11h 48m
Washington, D.C. Dulles Intl
Sat 4/20
1 stop10h 58m
Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. Dulles Intl Airport (average of $282). Flying from Seattle to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $407). 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
$308
February
$303
March
$354
April
$345
May
$345
June
$407
July
$379
August
$298
September
$282
October
$306
November
$326
December
$289
WAS Temperature | 35.6 - 80.6 °F |
---|
Overall
Food
Crew
Entertainment
Boarding
Comfort
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.
Overall
Food
Crew
Entertainment
Boarding
Comfort
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.
Overall
Food
Crew
Entertainment
Boarding
Comfort
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.
Overall
Food
Crew
Entertainment
Boarding
Comfort
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.
Overall
Food
Crew
Entertainment
Boarding
Comfort
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.
Overall
Food
Crew
Entertainment
Boarding
Comfort
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 |
---|---|
91%of flight departures | Morning6 am to noon |
8%of flight departures | AfternoonNoon to 6 pm |
0%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 |
Cheapflights makes it easy to find Seattle to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Seattle.
Yes, we can. To see specific flights from Seattle to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Seattle today and book when prices fit your budget.