Cheap flights from Washington (WA) to Dulles Intl (IAD)

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How to find the cheapest flight from
Washington to Dulles Intl (IAD)

All the information you need to plan the best null to IAD flight in 2022: compare Washington to Dulles Intl flight prices with the expected peak season, weather and rainfall in Dulles Intl.
When is the cheapest time to fly from State of Washington to Washington, D.C. Dulles Intl Airport (WA - IAD)?

When flying from State of Washington to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest month to fly from State of Washington to Washington, D.C. Dulles Intl Airport?

Our data shows that February tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from State of Washington. Users have commonly found prices around $352 for the month, but tickets can be as low as $185. Due to multiple factors, prepare for potentially higher prices in May.

How far in advance should I book a flight from State of Washington to Washington, D.C. Dulles Intl Airport?

Travelers have found it’s best to book a flight 56 days in advance to save up to 33% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $391, or $432 for flights within the next 24 hours.

Cheap flights from Washington to Dulles Intl in June, July 2022

The best prices found for Washington to IAD flights for June, July
14 Jul - 17 Jul
$395pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Jul - 17 Jul
$486pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Jul - 9 Jul
$496pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Washington to Dulles Intl 2022 flight deals

Cheap flights to Dulles Intl from Washington found for this year
27 Oct - 1 Nov
$327pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
2 Nov - 7 Nov
$328pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
20 Oct - 3 Nov
$330pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to Dulles Intl from Washington

Save time with Washington to Dulles Intl direct flight deals
27 Oct - 1 Nov
$327pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
2 Nov - 7 Nov
$328pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
25 Oct - 28 Oct
$330pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Washington to Dulles Intl

Late deals on round-trip flights to Dulles Intl from Washington, departing today and this week
5 Jul - 9 Jul
$496pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
7 Jul - 10 Jul
$500pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
5 Jul - 9 Jul
$505pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Dulles Intl from Washington

The cheapest one-way flights from Washington to Dulles Intl
11:35 am - 7:28 pm
Alaska Airlines
Nonstop
4h 53m
SEA - IAD
Alaska Airlines
4:20 am - 12:27 pm
Delta
Nonstop
5h 07m
SEA - IAD
Delta
$239
Delta
9:41 am - 8:20 pm
American Airlines
2 Stops
31h 39m
GEG - IAD
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Dulles Intl</span> flights.

Flight FAQs

From Washington to Dulles Intl

Which airlines flying from Washington to Washington, D.C. Dulles Intl have flexible cancellations due to COVID-19?

Alaska Airlines, United Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $400 on Cheapflights?

Yes, there are multiple flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $400. The cheapest flight booked recently is on Multiple Airlines for just $327, but on average you can expect to pay $354.

Are there nonstop flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from State of Washington to Washington, D.C. Dulles Intl Airport under $400. A good price for a nonstop flight from State of Washington to Washington, D.C. Dulles Intl Airport is less than $385.

Are there last-minute flights available from State of Washington to Washington, D.C. Dulles Intl Airport for under $500?

There are currently 20+ open flights from State of Washington to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $500.

What days are nonstop flights available from State of Washington to Washington, D.C. Dulles Intl Airport?

Nonstop flights can be found on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from State of Washington to Washington, D.C. Dulles Intl Airport on average per day?

14 flight departures from State of Washington to Washington, D.C. Dulles Intl Airport per day on average.
Morning (6am - Noon) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

How long is the flight from State of Washington to Washington, D.C. Dulles Intl Airport?

Departing from State of Washington to Washington, D.C. Dulles Intl Airport will take you 4h 48m. Airlines will cover a distance of 2313 mi. All flights are typically nonstop.

What are the cheapest airlines to fly from State of Washington to Washington, D.C. Dulles Intl Airport one-way?

One-way options have recently been found by users for as low as $178 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $179 and United Airlines from $186 one-way.

What are the most popular airlines that fly from State of Washington to Washington, D.C. Dulles Intl Airport?

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from State of Washington to Washington, D.C. Dulles Intl Airport.

What are the cheapest flights from State of Washington to Washington, D.C. Dulles Intl Airport?

While on average a flight from State of Washington to Washington, D.C. Dulles Intl Airport is generally $1,041, our data shows the cheapest flight currently is $189. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $327 for that flight.

What are the most reliable airlines from State of Washington to Washington, D.C. Dulles Intl Airport?

Before booking your flight to Washington, D.C. Dulles Intl Airport from State of Washington, check out the most reliable airlines to get you to your destination on time: ANA (100%), Lufthansa (90%), Avianca( 89%).

What are the most popular routes from State of Washington to Washington, D.C. Dulles Intl Airport?

Most travelers choose Seattle/Tacoma Intl - Washington, D.C. Dulles Intl, Spokane - Washington, D.C. Dulles Intl or Pasco Tri Cities - Washington, D.C. Dulles Intl when deciding on the best route from State of Washington to Washington, D.C. Dulles Intl Airport.

COVID Restrictions

View COVID Travel Restrictions for Dulles Intl (IAD)

Do I need a COVID test to fly to Dulles Intl from Washington?

Information is based on travel restrictions for travel to Washington, D.C. Dulles Intl within the United States

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Washington, D.C. Dulles Intl.

COVID-19 testing requirements
Visitors from Washington are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington, D.C. Dulles Intl.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Washington, D.C. Dulles Intl.

Do I need a test to fly back to Washington from Dulles Intl?

Returning to Washington from Washington, D.C. Dulles Intl

COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington.

Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for Dulles Intl (IAD)

Departure points for flights from Washington to Dulles Intl

Select to see more specific information for flights to Dulles Intl from all departure points in Washington.

Destination information for Dulles Intl

Things to know before you go - useful duration and weather info for your trip from Washington to Dulles Intl.
Flight duration from Washington to Washington, D.C. Dulles Intl
5h 31m
Average temperature for June in Dulles Intl
84.2 °F
Avg rainfall for June in Dulles Intl
4.3 ″

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing Washington, D.C.

Top 6 airlines flying from Washington to Washington, D.C. Dulles Intl

The chart below displays the airlines Cheapflights users traveling from Washington to Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$14 $20 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Alaska Airlines
$119 $418 No cancel fee 75%
Delta
$125 $453 No cancel fee N/A
Sun Country Air
$126 $259 No cancel fee 83%
United Airlines
$131 $453 No cancel fee 69%
American Airlines
$136 $398 No cancel fee 71%
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