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Cheap flights from Washington to Dulles Intl (IAD) from $135

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — IAD
Apr 24 — May 11
From?
To?
Wed 4/24
Wed 5/1
1 adult, Economy
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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 43 days in advance to save up to 90% 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 43 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 $388, or $573 for flights within the next 24 hours.

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

Our data shows that January 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 $402 for the month, but tickets can be as low as $128. Due to multiple factors, prepare for potentially higher prices in June.

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.

Cheap Sun Country Air flights from Washington to Dulles Intl

Explore cheap flight options specifically provided by Sun Country Air for the route between Washington and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Check out some of the cheapest Sun Country Air flights we've come across from Washington to Washington, D.C.. It's recommended that users confirm their flight details before booking.
Fri 5/245:40 pmSEA - IAD
1 stop23h 42mSun Country Air
Sun 5/2612:30 pmIAD - SEA
1 stop22h 25mSun Country Air
Deal found 4/18$315
Wed 5/225:45 pmSEA - IAD
1 stop13h 47mSun Country Air
Thu 5/308:30 amIAD - SEA
1 stop11h 30mSun Country Air
Deal found 4/18$319
Wed 5/295:45 pmSEA - IAD
1 stop13h 47mSun Country Air
Mon 6/35:25 pmIAD - SEA
1 stop20h 15mSun Country Air
Deal found 4/18$325
Wed 5/155:45 pmSEA - IAD
1 stop14h 02mSun Country Air
Wed 5/226:15 pmIAD - SEA
1 stop16h 30mSun Country Air
Deal found 4/17$329
Sun 6/211:59 pmSEA - IAD
1 stop13h 32mSun Country Air
Wed 6/1211:16 amIAD - SEA
1 stop8h 26mSun Country Air
Deal found 4/18$330
Wed 5/155:45 pmSEA - IAD
1 stop14h 02mSun Country Air
Sun 5/192:05 pmIAD - SEA
1 stop7h 35mSun Country Air
Deal found 4/18$335
Wed 4/246:00 pmSEA - IAD
1 stop14h 37mSun Country Air
Fri 5/247:20 pmIAD - SEA
1 stop15h 20mSun Country Air
Deal found 4/18$466

Cheap American Airlines flights from Washington to Dulles Intl

Explore cheap flight options specifically provided by American Airlines for the route between Washington and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Some of the best deals we've found on American Airlines flights traveling from Washington to Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 5/812:09 pmSEA - IAD
1 stop8h 52mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$293
Wed 10/161:45 pmSEA - IAD
1 stop7h 02mAmerican Airlines
Tue 10/225:29 pmIAD - SEA
1 stop8h 28mAmerican Airlines
Deal found 4/18$296
Fri 5/1011:43 pmSEA - IAD
1 stop8h 09mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$299
Wed 9/411:59 pmSEA - IAD
1 stop9h 40mAmerican Airlines
Tue 9/107:02 amIAD - SEA
1 stop7h 43mAmerican Airlines
Deal found 4/18$300
Tue 8/136:00 amSEA - IAD
1 stop6h 55mAmerican Airlines
Mon 8/195:29 pmIAD - SEA
1 stop10h 26mAmerican Airlines
Deal found 4/18$301
Fri 5/1011:59 pmSEA - IAD
2 stops11h 59mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$305
Tue 10/811:33 amSEA - IAD
2 stops9h 14mAmerican Airlines
Sat 10/192:05 pmIAD - SEA
1 stop9h 38mAmerican Airlines
Deal found 4/18$306
Tue 5/145:20 amSEA - IAD
1 stop8h 07mAmerican Airlines
Wed 5/155:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$334
Mon 4/291:39 pmSEA - IAD
1 stop7h 20mAmerican Airlines
Thu 5/95:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$410

Cheap Washington to Dulles Intl flights in April & May 2024

Find cheap flight options from Washington to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,180,550 searches. Prices were last updated on April 19, 2024.
Check out some of the best flight deals from Washington to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 5/1410:22 pmSEA - IAD
Nonstop5h 03mDelta
Wed 5/155:39 pmIAD - SEA
Nonstop5h 46mDelta
Deal found 4/18$277
Mon 5/2010:22 pmSEA - IAD
Nonstop5h 03mDelta
Wed 5/297:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$283
Fri 5/2410:22 pmSEA - IAD
Nonstop5h 03mDelta
Sun 5/267:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$289
Wed 5/296:00 amSEA - IAD
1 stop8h 54mAlaska Airlines
Mon 6/37:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$292
Wed 5/812:09 pmSEA - IAD
1 stop8h 52mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$293
Mon 5/2011:28 pmSEA - IAD
Nonstop5h 12mAlaska Airlines
Wed 5/296:05 pmIAD - SEA
1 stop8h 54mAlaska Airlines
Deal found 4/18$295
Sat 5/117:15 amSEA - IAD
1 stop10h 47mUnited Airlines
Wed 5/154:03 pmIAD - SEA
1 stop9h 50mUnited Airlines
Deal found 4/18$297
Thu 5/98:06 amSEA - IAD
Nonstop5h 04mUnited Airlines
Sat 5/116:00 amIAD - SEA
1 stop9h 07mUnited Airlines
Deal found 4/18$298
Fri 5/1011:43 pmSEA - IAD
1 stop8h 09mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$299

Washington to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Washington and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Check out some of the best flight deals from Washington to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 6/54:00 pmSEA - IAD
Nonstop4h 59mAlaska Airlines
Tue 6/117:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$277
Mon 5/2010:22 pmSEA - IAD
Nonstop5h 03mDelta
Wed 5/297:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$283
Fri 5/2410:22 pmSEA - IAD
Nonstop5h 03mDelta
Sun 5/267:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$289
Wed 5/296:00 amSEA - IAD
1 stop8h 54mAlaska Airlines
Sat 6/17:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$292
Wed 5/812:09 pmSEA - IAD
1 stop8h 52mAmerican Airlines
Tue 5/145:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$293
Mon 5/2011:28 pmSEA - IAD
Nonstop5h 12mAlaska Airlines
Wed 5/296:05 pmIAD - SEA
1 stop8h 54mAlaska Airlines
Deal found 4/18$295
Wed 10/161:45 pmSEA - IAD
1 stop7h 02mAmerican Airlines
Tue 10/225:29 pmIAD - SEA
1 stop8h 28mAmerican Airlines
Deal found 4/18$296
Sat 5/117:15 amSEA - IAD
1 stop10h 47mUnited Airlines
Wed 5/154:03 pmIAD - SEA
1 stop9h 50mUnited Airlines
Deal found 4/18$297
Thu 5/98:06 amSEA - IAD
Nonstop5h 04mUnited Airlines
Sat 5/116:00 amIAD - SEA
1 stop9h 07mUnited Airlines
Deal found 4/18$298

Non-stop flights to Dulles Intl from Washington

Discover non-stop flight options from Washington to Dulles Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
For a shorter flight, select one of these non-stop flights from Washington to Washington, D.C.. Users can also choose from other Washington to Washington, D.C. flights by using the search form above.
Wed 6/54:00 pmSEA - IAD
Nonstop4h 59mAlaska Airlines
Tue 6/117:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$277
Wed 5/298:35 amSEA - IAD
Nonstop5h 09mDelta
Mon 6/37:31 amIAD - SEA
Nonstop5h 49mDelta
Deal found 4/18$283
Fri 5/2410:22 pmSEA - IAD
Nonstop5h 03mDelta
Sun 5/267:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$289
Fri 5/108:06 amSEA - IAD
Nonstop5h 04mUnited Airlines
Tue 5/145:30 pmIAD - SEA
Nonstop5h 48mUnited Airlines
Deal found 4/18$299
Tue 6/410:22 pmSEA - IAD
Nonstop5h 04mDelta
Wed 6/127:30 amIAD - SEA
Nonstop5h 44mDelta
Deal found 4/18$307
Thu 7/1111:35 pmSEA - IAD
Nonstop4h 59mUnited Airlines
Tue 7/1610:10 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Deal found 4/18$309
Sat 6/18:35 amSEA - IAD
Nonstop5h 10mDelta
Wed 6/127:30 amIAD - SEA
Nonstop5h 44mDelta
Deal found 4/18$313
Wed 5/2211:28 pmSEA - IAD
Nonstop5h 12mAlaska Airlines
Tue 5/287:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$317
Sat 6/14:00 pmSEA - IAD
Nonstop4h 59mAlaska Airlines
Sat 6/87:00 amIAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 4/18$323

Washington to Dulles Intl flights leaving soon

Find last-minute flight options from Washington to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Consider one of these great deals we found on last-minute flights from Washington to Washington, D.C.. It's wise to confirm all flight details are correct before booking.
Mon 4/291:39 pmSEA - IAD
1 stop7h 20mAmerican Airlines
Thu 5/95:02 amIAD - SEA
1 stop9h 06mAmerican Airlines
Deal found 4/18$410
Mon 4/2910:30 pmSEA - IAD
Nonstop4h 55mDelta
Thu 5/97:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$453
Wed 4/249:19 pmSEA - IAD
2 stops16h 24mMultiple Airlines
Fri 5/247:20 pmIAD - SEA
1 stop15h 20mMultiple Airlines
Deal found 4/18$458
Sun 4/2812:35 amSEA - IAD
1 stop7h 31mDelta
Thu 5/97:35 amIAD - SEA
Nonstop5h 45mDelta
Deal found 4/18$462
Wed 4/246:00 pmSEA - IAD
1 stop14h 37mSun Country Air
Fri 5/247:20 pmIAD - SEA
1 stop15h 20mSun Country Air
Deal found 4/18$466
Thu 4/255:25 pmSEA - IAD
2 stops21h 08mMultiple Airlines
Thu 5/211:50 amIAD - SEA
1 stop8h 05mMultiple Airlines
Deal found 4/17$474
Thu 4/255:25 pmSEA - IAD
2 stops21h 08mMultiple Airlines
Thu 5/211:50 amIAD - SEA
2 stops23h 55mMultiple Airlines
Deal found 4/17$487
Sun 4/281:39 pmSEA - IAD
1 stop7h 20mAmerican Airlines
Mon 5/611:48 amIAD - SEA
1 stop10h 43mAmerican Airlines
Deal found 4/18$489
Wed 4/249:19 pmSEA - IAD
2 stops16h 24mMultiple Airlines
Fri 5/247:20 pmIAD - SEA
2 stops16h 25mMultiple Airlines
Deal found 4/18$492

One-way flights to Dulles Intl from Washington

Search for one-way flight options from Washington to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
If you're seeking multiple options on one-way flights from Washington to Washington, D.C., be sure to check out these deals, which are updated often. Those seeking round-trip flights from Washington to Washington, D.C. should utilize the search form at the the top of the page.
Sun 4/2811:45 pmSEA - IAD
1 stop8h 07mSun Country Air
Deal found 4/18$135
Tue 5/1410:22 pmSEA - IAD
Nonstop5h 03mDelta
Deal found 4/19$139
Fri 5/3111:59 pmSEA - IAD
1 stop17h 48mSun Country Air
Deal found 4/18$143
Fri 5/3110:22 pmSEA - IAD
Nonstop5h 03mDelta
Deal found 4/18$145
Wed 5/1510:05 pmSEA - IAD
1 stop7h 49mAmerican Airlines
Deal found 4/18$147
Fri 5/1011:43 pmSEA - IAD
1 stop8h 09mAmerican Airlines
Deal found 4/18$153
Thu 5/3012:25 amSEA - IAD
1 stop6h 30mUnited Airlines
Deal found 4/18$154
Mon 7/1511:59 pmSEA - IAD
1 stop10h 11mSun Country Air
Deal found 4/18$155
Fri 6/1411:59 pmSEA - IAD
1 stop9h 58mSun Country Air
Deal found 4/17$156

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 3,180,550 searches. Data last updated April 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$277 - $315

Route

Depart

Return

Price

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 6/5

Nonstop4h 59m

Washington, D.C. Dulles Intl

Tue 6/11

Nonstop5h 30m

$277

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 5/20

Nonstop5h 03m

Washington, D.C. Dulles Intl

Wed 5/29

Nonstop5h 45m

$283

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 5/24

Nonstop5h 03m

Washington, D.C. Dulles Intl

Sun 5/26

Nonstop5h 45m

$289

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 5/29

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 6/3

Nonstop5h 30m

$292

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 5/8

1 stop8h 52m

Washington, D.C. Dulles Intl

Tue 5/14

1 stop9h 06m

$293

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 10/16

1 stop7h 02m

Washington, D.C. Dulles Intl

Tue 10/22

1 stop8h 28m

$296

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sat 5/11

1 stop10h 47m

Washington, D.C. Dulles Intl

Wed 5/15

1 stop9h 50m

$297

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 5/24

Nonstop5h 12m

Washington, D.C. Dulles Intl

Fri 5/31

1 stop16h 40m

$311

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 5/24

1 stop23h 42m

Washington, D.C. Dulles Intl

Sun 5/26

1 stop22h 25m

$315

Flights are sorted by cheapest first

Deals found on 4/18

No data available for this route at this time. Please check back soon.

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 April 19, 2024.
Get a feel of what it's like to fly with Sun Country Air, American 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
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,208 reviews
Southwest
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Alaska Airlines
8.1
Very good
9,108 reviews
Southwest
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Delta
8.1
Very good
11,094 reviews
Southwest
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

United Airlines
7.4
Good
11,333 reviews
Southwest
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

American Airlines
7.3
Good
14,954 reviews
Southwest
8.2
Very good
6,208 reviews
Check prices

Entertainment

7.9

Food

7.4

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

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.

  • Can I find flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $300. The cheapest flight booked recently is on Alaska Airlines for just $277, but on average you can expect to pay $299.

  • Are there nonstop flights from State of Washington to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from State of Washington to Washington, D.C. Dulles Intl Airport under $300. A good price for a nonstop flight from State of Washington to Washington, D.C. Dulles Intl Airport is less than $327.

  • 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: Saturday.

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

    1 flight departure from State of Washington to Washington, D.C. Dulles Intl Airport per day on average.
    Afternoon (Noon - 6pm) - 100% 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 59m. Airlines will cover a distance of 2313 mi. This flight may include one or multiple stops.

  • 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 $135 on Sun Country Air. Other airlines that offer cheap prices include Delta from $139 and American Airlines from $147 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, 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.

  • 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 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 (100%), Korean Air (100%), Ethiopian Air( 96%).

  • 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 $811, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $274 for that flight.

  • What does SEA to IAD mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Washington, D.C. Dulles Intl Airport (IAD). Codes like Washington, D.C. Dulles Intl Airport are often used to just call airports uniquely. Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Pullman Moscow Regional Airport (PUW) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Washington to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Washington to Dulles Intl that allow pets onboard?

    Many airlines flying from Washington to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Dulles Intl?

    Yes, you can often find last-minute deals on Washington to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Washington, D.C. Dulles Intl Airport flight deals updated?

    The State of Washington to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 4/18.

See more FAQs

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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.

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Top 4 airlines flying from Washington to Dulles Intl

Discover the top 4 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 3,180,550 searches. Data last updated April 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$460FlexibilityNo cancel feeOn-timeN/A
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Alaska AirlinesCheapest$159Average$553FlexibilityNo cancel feeOn-time75%
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United AirlinesCheapest$213Average$502FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$346Average$440FlexibilityNo cancel feeOn-time71%
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New York to Punta Cana flights
Tijuana to Cabo San Lucas flights
USA to Egypt flights
Phoenix to Salt Lake City flights
Chicago O'Hare Intl Airport to Miami flights
Washington, D.C. Reagan-National Airport to Boston flights
Chicago to Fort Lauderdale flights
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Newark Airport to West Palm Beach flights
State of Washington to Niagara Falls, New York flights

Search flights from Washington to Dulles Intl by cabin class

Find flights from Washington to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Washington to Dulles Intl

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 April 19, 2024.
1%of flight departuresEarly morningMidnight to 6 am
59%of flight departuresMorning6 am to noon
12%of flight departuresAfternoonNoon to 6 pm
28%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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