Popular in | June |
---|---|
Cheapest in | January |
Round-trip from | £475 |
One-way from | £163 |
Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Seattle at least 53 days early can save you up to 61% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Seattle for as little as £378 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £435 for flights departing within the next 3 days.
Our data shows that January tends to be the cheapest month to fly to Seattle from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around £326 for the month, but tickets can be as low as £111. Due to multiple factors, prepare for potentially higher prices in June.
When flying from Washington, D.C. Dulles Intl Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
£217 - £311
Route
Depart
Return
Price
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 29/5
Nonstop5h 40m
Seattle/Tacoma Intl
Wed 29/5
Nonstop5h 12m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Thu 30/5
Nonstop5h 30m
Seattle/Tacoma Intl
Thu 30/5
1 stop14h 36m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Tue 4/6
Nonstop5h 30m
Seattle/Tacoma Intl
Wed 12/6
Nonstop4h 59m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 22/5
1 stop16h 30m
Seattle/Tacoma Intl
Mon 27/5
1 stop10h 03m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 5/6
Nonstop5h 47m
Seattle/Tacoma Intl
Wed 12/6
Nonstop5h 05m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Tue 11/6
Nonstop5h 55m
Seattle/Tacoma Intl
Tue 18/6
Nonstop5h 05m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Mon 22/7
1 stop24h 54m
Seattle/Tacoma Intl
Mon 29/7
1 stop7h 38m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sun 9/6
Nonstop5h 44m
Seattle/Tacoma Intl
Tue 18/6
Nonstop5h 05m
Washington, D.C. Dulles IntlSeattle/Tacoma Intl
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Fri 23/8
Nonstop5h 48m
Seattle/Tacoma Intl
Mon 26/8
Nonstop5h 05m
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Seattle (average of £594). Flying from Washington, D.C. Dulles Intl Airport to Seattle in July is currently the most expensive (average of £800). 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
£489
February
£476
March
£506
April
£521
May
£546
June
£613
July
£640
August
£612
September
£549
October
£525
November
£480
December
£476
SEA Temperature | 5 - 19 °C |
---|
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
30%of flight departures | Morning6 am to noon |
65%of flight departures | AfternoonNoon to 6 pm |
4%of flight departures | Evening6 pm to midnight |
Monday | 14daily flights |
---|---|
Tuesday | 11daily flights |
Wednesday | 13daily flights |
Thursday | 12daily flights |
Friday | 15daily flights |
Saturday | 14daily flights |
Sunday | 14daily flights |
When you search for this flight from Dulles Intl to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
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