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Dulles Intl

$138+ Cheap flights from Washington to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Washington to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Washington to Dulles Intl

Cheapest flights from Washington to Dulles Intl
Explore the most affordable flight options available from Washington to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:37 pmSEA - IAD
Nonstop5h 03mUnited Airlines
Wed 1/85:30 pmIAD - SEA
Nonstop6h 01mUnited Airlines
Deal found 11/18$257
This eDestinos deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/121:40 pmSEA - IAD
2 stops18h 34mFrontier
Mon 12/1612:14 pmIAD - SEA
2 stops27h 56mFrontier
Deal found 11/19$286
This Alaska Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:05 amSEA - IAD
1 stop9h 38mAlaska Airlines
Wed 1/86:57 pmIAD - SEA
Nonstop6h 03mAlaska Airlines
Deal found 11/18$291
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:10 pmPDX - IAD
1 stop10h 00mDelta
Wed 1/86:05 amIAD - PDX
1 stop9h 50mDelta
Deal found 11/20$298
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:08 pmSEA - IAD
Nonstop5h 02mDelta
Mon 1/64:20 pmIAD - SEA
Nonstop6h 00mDelta
Deal found 11/18$307
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/101:56 pmSEA - IAD
1 stop15h 43mAmerican Airlines
Fri 12/135:00 amIAD - SEA
1 stop10h 46mAmerican Airlines
Deal found 11/19$315
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1111:00 amPDX - IAD
1 stop7h 43mAlaska Airlines
Thu 12/129:13 amIAD - PDX
1 stop9h 37mAlaska Airlines
Deal found 11/20$323
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:00 amPDX - IAD
1 stop7h 38mUnited Airlines
Fri 12/136:30 amIAD - PDX
1 stop9h 40mUnited Airlines
Deal found 11/20$336
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/91:25 pmGEG - IAD
1 stop7h 24mDelta
Fri 12/136:07 amIAD - GEG
1 stop10h 05mDelta
Deal found 11/18$362
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:30 amPDX - IAD
1 stop7h 28mAmerican Airlines
Tue 12/179:10 amIAD - PDX
2 stops11h 24mAmerican Airlines
Deal found 11/19$367
This Southwest deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:55 amGEG - IAD
2 stops12h 05mSouthwest
Fri 12/134:00 pmIAD - GEG
1 stop11h 05mSouthwest
Deal found 11/18$371
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:05 amPDX - IAD
2 stops12h 55mSouthwest
Fri 12/134:00 pmIAD - PDX
1 stop11h 05mSouthwest
Deal found 11/20$421

Find flights from Washington to Dulles Intl within your budget

Customize your flight search to find flights from Washington to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 1/8

7:25 am-3:25 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Sat 1/11

4:20 pm-7:20 pm

Nonstop6h 00m

$257

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 12/25

5:00 am-3:39 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Wed 1/8

5:30 pm-8:31 pm

Nonstop6h 01m

$262

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 1/21

7:50 pm-4:23 pm

1 stop17h 33m

Washington, D.C. Dulles Intl

Sat 2/1

6:57 pm-10:00 pm

Nonstop6h 03m

$266

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sat 2/1

7:11 am-7:35 pm

1 stop9h 24m

Washington, D.C. Dulles Intl

Tue 2/4

1:52 pm-7:10 pm

1 stop8h 18m

$276

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sat 2/22

9:29 pm-4:18 pm

1 stop15h 49m

Washington, D.C. Dulles Intl

Tue 2/25

7:00 am-2:24 pm

1 stop10h 24m

$298

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sat 3/1

12:00 pm-10:34 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Wed 3/5

6:12 am-1:14 pm

1 stop10h 02m

$316

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 2/11

5:30 am-3:05 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 2/16

5:50 pm-11:05 pm

1 stop8h 15m

$326

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 1/8

2:00 pm-11:40 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Sun 1/12

4:20 pm-11:58 pm

1 stop10h 38m

$326

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Wed 12/11

5:00 am-3:38 pm

1 stop7h 38m

Washington, D.C. Dulles Intl

Fri 12/13

6:30 am-1:10 pm

1 stop9h 40m

$336

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 2/5

5:00 am-3:25 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Sun 2/9

4:20 pm-9:06 pm

1 stop7h 46m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 55 results
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Best time to book a flight from Washington to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington to Dulles Intl

Get recent, data-driven insights about flights from Washington to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from State of Washington to Washington, D.C. Dulles Intl Airport (average of $300). Flying from State of Washington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from WA to IAD?

Find hourly flight availability from Washington to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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.

Weekly flight availability from State of Washington to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Washington to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from USWA to IAD are scheduled on a Wednesday (19 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated November 20, 2024.
Get a feel of what it's like to fly with Delta, United Airlines and Alaska Airlines from Washington to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Washington to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $138 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $139 and American Airlines from $143 one-way.

  • 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, Portland - Washington, D.C. Dulles Intl or Spokane - Washington, D.C. Dulles Intl when deciding on the best route from State of Washington to Washington, D.C. Dulles Intl Airport.

  • 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: Iberia (93%), Qatar Airways (93%), KLM( 93%).

  • 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 $833, our data shows the cheapest flight currently is $125. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $257 for that flight.

  • Can I find deals for flights from Washington to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Washington to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Dulles Intl.

  • Can I find deals for business class flights from Washington to Dulles Intl?

    Yes. Cheapflights offers flight deals from Washington to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Washington, D.C. Dulles Intl Airport (average of $300). Flying from State of Washington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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.

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Alternative routes for Washington to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Baltimore flights
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Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Baltimore flights
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Boston to Reagan-National flights
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San Francisco to Dulles Intl flights
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San Francisco to Reagan-National flights
Atlanta to Reagan-National flights
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Seattle to Baltimore flights
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Atlanta to Baltimore flights
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Denver to Reagan-National flights
Miami to Reagan-National flights
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LaGuardia to Reagan-National flights
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LaGuardia to Dulles Intl flights
Charlotte to Dulles Intl flights
Miami to Baltimore flights
Tampa to Dulles Intl flights
Newark to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Minneapolis to Baltimore flights
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John F Kennedy Intl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Tampa to Reagan-National flights
Orlando to Baltimore flights

Top 5 airlines flying from Washington to Dulles Intl

Discover the top 5 airlines that operate flights from Washington to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$169Average$534FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$174Average$554FlexibilityNo cancel feeOn-time75%
DeltaCheapest$191Average$437FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$237Average$548FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$488FlexibilityNo cancel feeOn-time71%
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