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$100+ Cheap flights from Dulles Intl (IAD) to Washington

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Washington

Keep the following information in mind while searching for Dulles Intl to Washington flight deals. Data was last updated junio 12, 2025.

Round-trip from

$258
(Hawaiian Airlines)

One-way from

$100
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$450

Good round-trip deal

$346 or less

Good one-way deal

$189 or less
From Washington, D.C. Dulles Intl to Washington
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One-way flight from Washington, D.C. Dulles Intl to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Washington.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Washington.
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Find flight deals from Dulles Intl to Washington

Cheapest flights from Dulles Intl to Washington
Explore the most affordable flight options available from Dulles Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:00 amIAD - PSC
1 stop9h 26mHawaiian Airlines
lun. 9/87:55 pmPSC - IAD
1 stop8h 37mHawaiian Airlines
Deal found 6/10$258
This American Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 7/291:06 pmIAD - SEA
1 stop10h 35mAmerican Airlines
mar. 8/59:41 pmSEA - IAD
1 stop9h 12mAmerican Airlines
Deal found 6/9$267
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/187:30 amIAD - SEA
1 stop9h 36mFrontier
jue. 8/283:25 pmSEA - IAD
1 stop12h 05mFrontier
Deal found 6/10$270
This United Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 9/265:30 pmIAD - PSC
1 stop8h 45mUnited Airlines
mar. 10/76:32 amPSC - IAD
1 stop9h 20mUnited Airlines
Deal found 6/12$274
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 8/236:09 pmIAD - SEA
Nonstop5h 42mAlaska Airlines
mar. 8/2611:30 pmSEA - IAD
Nonstop5h 02mAlaska Airlines
Deal found 6/10$277
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 11/112:55 pmIAD - SEA
1 stop9h 30mUnited Airlines
mié. 11/58:00 amSEA - IAD
Nonstop5h 07mUnited Airlines
Deal found 6/10$283
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/1912:46 pmIAD - SEA
1 stop13h 01mSun Country Air
lun. 7/2111:59 pmSEA - IAD
1 stop8h 44mSun Country Air
Deal found 6/10$289
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:09 pmIAD - PDX
1 stop7h 35mHawaiian Airlines
lun. 9/87:34 pmPDX - IAD
1 stop8h 58mHawaiian Airlines
Deal found 6/9$296
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 9/107:22 amIAD - PDX
1 stop8h 19mDelta
lun. 9/1512:40 amPDX - IAD
1 stop7h 49mDelta
Deal found 6/10$297
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/257:00 amIAD - GEG
1 stop8h 43mHawaiian Airlines
vie. 9/267:44 pmGEG - IAD
1 stop8h 48mHawaiian Airlines
Deal found 6/10$297
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
mar. 7/85:25 pmIAD - GEG
1 stop9h 19mAlaska Airlines
mar. 7/224:47 pmGEG - IAD
1 stop11h 03mAlaska Airlines
Deal found 6/12$298
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/1412:46 pmIAD - PDX
1 stop7h 18mSun Country Air
vie. 7/1811:59 pmPDX - IAD
1 stop8h 44mSun Country Air
Deal found 6/10$299

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Washington 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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Washington that are best for you.

Fly from

Dulles Intl

Fly to

Washington

Route

Depart

Return

Price

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

jue. 9/4

9:00 am-3:26 pm

1 stop9h 26m

Pasco Tri Cities

lun. 9/8

7:55 pm-7:32 am

1 stop8h 37m

$258

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

mar. 7/29

1:06 pm-8:41 pm

1 stop10h 35m

Seattle/Tacoma Intl

mar. 8/5

9:41 pm-9:53 am

1 stop9h 12m

$267

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

lun. 8/18

7:30 am-2:06 pm

1 stop9h 36m

Seattle/Tacoma Intl

jue. 8/28

3:25 pm-6:30 am

1 stop12h 05m

$270

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

vie. 9/26

5:30 pm-11:15 pm

1 stop8h 45m

Pasco Tri Cities

mar. 10/7

6:32 am-6:52 pm

1 stop9h 20m

$274

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

sáb. 8/23

7:35 am-10:20 am

Nonstop5h 45m

Seattle/Tacoma Intl

mié. 8/27

9:55 pm-5:55 am

Nonstop5h 00m

$277

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

sáb. 8/23

6:09 pm-8:51 pm

Nonstop5h 42m

Seattle/Tacoma Intl

sáb. 8/30

7:59 pm-4:47 pm

1 stop17h 48m

$287

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

sáb. 7/19

12:46 pm-10:47 pm

1 stop13h 01m

Seattle/Tacoma Intl

lun. 7/21

11:59 pm-11:43 am

1 stop8h 44m

$289

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

jue. 9/4

6:09 pm-11:59 pm

1 stop8h 50m

Portland

lun. 9/8

7:34 pm-7:32 am

1 stop8h 58m

$296

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

mié. 9/10

7:22 am-12:41 pm

1 stop8h 19m

Portland

lun. 9/15

12:40 am-11:29 am

1 stop7h 49m

$297

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

jue. 9/25

7:00 am-12:43 pm

1 stop8h 43m

Spokane

vie. 9/26

7:44 pm-7:32 am

1 stop8h 48m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Washington

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to State of Washington (average of $238). Flying from Washington, D.C. Dulles Intl Airport to State of Washington in July is currently the most expensive (average of $391). 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 IAD to WA?

Find hourly flight availability from Dulles Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Washington, D.C. Dulles Intl Airport to State of Washington, 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 Washington, D.C. Dulles Intl Airport to State of Washington

Explore weekly flight availability from Dulles Intl to Washington. 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 junio 12, 2025.

The most flights from IAD to USWA are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington, D.C. to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Washington. 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 Washington, D.C. Dulles Intl Airport to State of Washington one-way?

    One-way options have recently been found by users for as low as $100 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $105 and United Airlines from $120 one-way.

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

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to State of Washington consider Washington, D.C. Dulles Intl - Seattle/Tacoma Intl, Washington, D.C. Dulles Intl - Portland or Washington, D.C. Dulles Intl - Spokane as they are the most popular.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to State of Washington are Japan Airlines (97%), China Eastern (90%) and Delta (90%).

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

    On average you can expect to pay $1,025 for a flight from Washington, D.C. Dulles Intl Airport to State of Washington. The cheapest flight overall is $130 while the most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl) is currently priced at $277.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Washington 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 Washington, D.C. Dulles Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to State of Washington (average of $238). Flying from Washington, D.C. Dulles Intl Airport to State of Washington in July is currently the most expensive (average of $391). 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 Dulles Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dulles Intl to Washington

Discover the top 8 airlines that operate flights from Dulles Intl to Washington. 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$218FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$144Average$370FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$168Average$387FlexibilityNo cancel feeOn-time85%
DeltaCheapest$221Average$481FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$262Average$507FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$285Average$460FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$297Average$515FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$492FlexibilityNo cancel feeOn-time63%

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