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 $100 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $105 and Southwest from $110 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 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 $902, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $271 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: Avianca (92%), Copa Airlines (87%), Lufthansa( 85%).

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

Our data shows that September 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 $397 for the month, but tickets can be as low as $206. Due to multiple factors, prepare for potentially higher prices in December.

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.

$100+ Flights from Washington to Washington, D.C. Dulles Intl Airport

Q: 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 42 days in advance to save up to 74% 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 42 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 $354, or $557 for flights within the next 24 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Dulles Intl

Round-trip from	$199 (Delta)
One-way from	$100 (Delta)
Popular in	December
Cheapest in	September
Average price	$457
Good round-trip deal	$335 or less
Good one-way deal	$188 or less

From Washington to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Washington to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a round-trip flight from Washington to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from Washington to Washington, D.C. Dulles Intl.

Search Deals

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 junio 12, 2025.

mié. 7/97:26 pmGEG - IAD

1 stop7h 31mDelta

mar. 7/157:30 amIAD - GEG

1 stop8h 03mDelta

Deal found 6/10

$199

sáb. 9/2012:35 pmGEG - IAD

1 stop7h 14mAmerican Airlines

sáb. 9/2712:48 pmIAD - GEG

2 stops13h 04mAmerican Airlines

Deal found 6/12

$204

lun. 8/114:47 pmGEG - IAD

1 stop11h 03mHawaiian Airlines

mié. 8/136:30 amIAD - GEG

1 stop8h 58mHawaiian Airlines

Deal found 6/12

$224

mar. 7/86:25 pmGEG - IAD

1 stop7h 59mUnited Airlines

mar. 7/153:56 pmIAD - GEG

1 stop8h 07mUnited Airlines

Deal found 6/12

$239

mié. 7/236:07 pmGEG - IAD

1 stop10h 20mAlaska Airlines

mié. 7/305:25 pmIAD - GEG

1 stop9h 19mAlaska Airlines

Deal found 6/10

$254

mié. 10/110:09 amSEA - IAD

1 stop9h 40mAmerican Airlines

lun. 10/66:45 amIAD - SEA

1 stop10h 55mAmerican Airlines

Deal found 6/10

$267

sáb. 11/88:55 amSEA - IAD

Nonstop4h 51mHawaiian Airlines

sáb. 11/86:11 pmIAD - SEA

Nonstop5h 53mHawaiian Airlines

Deal found 6/10

$271

jue. 8/77:05 amSEA - IAD

1 stop9h 14mAlaska Airlines

mié. 8/136:30 amIAD - SEA

Nonstop5h 47mAlaska Airlines

Deal found 6/12

$273

mié. 10/223:15 pmSEA - IAD

Nonstop5h 00mDelta

mar. 10/287:00 amIAD - SEA

Nonstop6h 05mDelta

Deal found 6/10

$277

mié. 11/129:25 amSEA - IAD

1 stop8h 41mUnited Airlines

sáb. 11/155:55 pmIAD - SEA

Nonstop5h 59mUnited Airlines

Deal found 6/11

$283

vie. 7/1111:59 pmSEA - IAD

1 stop8h 44mSun Country Air

sáb. 7/1912:46 pmIAD - SEA

1 stop13h 01mSun Country Air

Deal found 6/10

$295

lun. 9/159:30 pmPDX - IAD

1 stop7h 02mHawaiian Airlines

jue. 9/186:09 pmIAD - PDX

1 stop7h 35mHawaiian Airlines

Deal found 6/10

$296

Best flights from Washington to Dulles Intl
Discover carefully curated flight deals from Washington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mié. 7/97:26 pmGEG - IAD

1 stop7h 31mDelta

mar. 7/157:30 amIAD - GEG

1 stop8h 03mDelta

Deal found 6/10

$199

sáb. 9/2012:35 pmGEG - IAD

1 stop7h 14mAmerican Airlines

sáb. 9/2712:48 pmIAD - GEG

2 stops13h 04mAmerican Airlines

Deal found 6/12

$204

lun. 8/114:47 pmGEG - IAD

1 stop11h 03mHawaiian Airlines

mié. 8/136:30 amIAD - GEG

1 stop8h 58mHawaiian Airlines

Deal found 6/12

$224

mar. 7/86:25 pmGEG - IAD

1 stop7h 59mUnited Airlines

mar. 7/153:56 pmIAD - GEG

1 stop8h 07mUnited Airlines

Deal found 6/12

$239

mié. 7/236:07 pmGEG - IAD

1 stop10h 20mAlaska Airlines

mié. 7/305:25 pmIAD - GEG

1 stop9h 19mAlaska Airlines

Deal found 6/10

$254

vie. 7/1111:59 pmSEA - IAD

1 stop8h 44mSun Country Air

sáb. 7/1912:46 pmIAD - SEA

1 stop13h 01mSun Country Air

Deal found 6/10

$295

lun. 7/143:59 pmSEA - IAD

Nonstop5h 00mMultiple Airlines

lun. 7/2112:52 pmIAD - SEA

1 stop12h 55mMultiple Airlines

Deal found 6/11

$303

vie. 7/1111:00 amPDX - IAD

1 stop16h 34mFrontier

lun. 7/147:30 amIAD - PDX

1 stop8h 21mFrontier

Deal found 6/11

$310

vie. 8/18:22 amPDX - IAD

2 stops26h 33mAllegiant Air

dom. 8/33:53 pmIAD - PDX

2 stops19h 39mAllegiant Air

Deal found 6/10

$324

mié. 8/205:15 amSEA - IAD

1 stop8h 00mSouthwest

mié. 8/275:45 amIAD - SEA

2 stops14h 05mSouthwest

Deal found 6/10

$332

mié. 10/110:09 amSEA - IAD

1 stop9h 40mAmerican Airlines

lun. 10/66:45 amIAD - SEA

1 stop10h 55mAmerican Airlines

Deal found 6/10

$267

sáb. 11/88:55 amSEA - IAD

Nonstop4h 51mHawaiian Airlines

sáb. 11/86:11 pmIAD - SEA

Nonstop5h 53mHawaiian Airlines

Deal found 6/10

$271

Last-minute flights from Washington to Dulles Intl
Discover last-minute flight deals from Washington to Dulles Intl. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/176:15 amSEA - IAD

2 stops9h 10mSouthwest

mar. 6/245:35 pmIAD - SEA

1 stop10h 40mSouthwest

Deal found 6/10

$619

mié. 6/1810:15 pmSEA - IAD

Nonstop4h 57mUnited Airlines

jue. 7/1010:06 pmIAD - SEA

Nonstop5h 50mUnited Airlines

Deal found 6/9

$553

mié. 6/185:30 amSEA - IAD

1 stop8h 41mAmerican Airlines

dom. 6/291:08 pmIAD - SEA

1 stop10h 42mAmerican Airlines

Deal found 6/11

$604

jue. 6/1911:59 pmPDX - IAD

1 stop8h 20mSun Country Air

jue. 6/266:15 amIAD - PDX

1 stop19h 31mSun Country Air

Deal found 6/11

$450

jue. 6/193:59 pmSEA - IAD

Nonstop5h 00mAlaska Airlines

jue. 7/107:59 pmIAD - SEA

1 stop15h 05mAlaska Airlines

Deal found 6/9

$503

vie. 6/203:11 pmSEA - IAD

1 stop12h 19mFrontier

jue. 6/267:30 amIAD - SEA

1 stop9h 41mFrontier

Deal found 6/11

$365

vie. 6/208:22 amPDX - IAD

2 stops26h 33mMultiple Airlines

lun. 6/234:54 pmIAD - PDX

3 stops45h 23mMultiple Airlines

Deal found 6/11

$385

vie. 6/2011:59 pmSEA - IAD

1 stop8h 50mSun Country Air

sáb. 7/512:40 pmIAD - SEA

1 stop13h 07mSun Country Air

Deal found 6/10

$390

vie. 6/2011:59 pmSEA - IAD

2 stops17h 53mMultiple Airlines

sáb. 7/512:40 pmIAD - SEA

1 stop13h 07mMultiple Airlines

Deal found 6/10

$460

vie. 6/209:55 pmSEA - IAD

Nonstop5h 04mDelta

sáb. 7/57:40 amIAD - SEA

Nonstop5h 48mDelta

Deal found 6/10

$513

vie. 6/205:50 pmPDX - IAD

2 stops18h 26mFrontier

lun. 6/237:30 amIAD - PDX

1 stop8h 25mFrontier

Deal found 6/11

$535

vie. 6/208:22 amPDX - IAD

2 stops26h 33mAllegiant Air

dom. 6/223:58 pmIAD - PDX

2 stops19h 34mAllegiant Air

Deal found 6/10

$558

One-way flights from Washington to Dulles Intl
Search for one-way flight options from Washington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mar. 8/195:30 pmGEG - IAD

1 stop9h 25mDelta

Deal found 6/10

$100

mié. 8/277:44 pmGEG - IAD

1 stop8h 48mAlaska Airlines

Deal found 6/10

$105

jue. 9/116:10 amGEG - IAD

2 stops13h 40mSouthwest

Deal found 6/12

$110

lun. 8/114:47 pmGEG - IAD

1 stop11h 03mHawaiian Airlines

Deal found 6/11

$119

sáb. 7/126:25 pmGEG - IAD

1 stop7h 59mUnited Airlines

Deal found 6/10

$120

vie. 7/255:48 pmPSC - IAD

1 stop9h 09mDelta

Deal found 6/10

$130

mar. 9/98:00 amSEA - IAD

Nonstop5h 10mUnited Airlines

Deal found 6/10

$139

mar. 7/2911:30 pmSEA - IAD

Nonstop4h 57mHawaiian Airlines

Deal found 6/11

$141

vie. 8/2212:25 pmGEG - IAD

2 stops21h 39mMultiple Airlines

Deal found 6/11

$143

jue. 7/1711:57 pmSEA - IAD

1 stop9h 32mSun Country Air

Deal found 6/10

$145

dom. 7/204:47 pmGEG - IAD

1 stop15h 56mSun Country Air

Deal found 6/10

$153

jue. 9/45:00 amSEA - IAD

1 stop10h 15mSouthwest

Deal found 6/10

$154

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

mié. 7/9

7:26 pm-5:57 am

1 stop7h 31m

Washington, D.C. Dulles Intl

mar. 7/15

7:30 am-12:33 pm

1 stop8h 03m

$199

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

sáb. 9/20

12:35 pm-10:49 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

sáb. 9/27

12:48 pm-10:52 pm

2 stops13h 04m

$204

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

lun. 8/11

4:47 pm-6:50 am

1 stop11h 03m

Washington, D.C. Dulles Intl

mié. 8/13

6:30 am-12:28 pm

1 stop8h 58m

$224

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

mar. 7/8

6:25 pm-5:24 am

1 stop7h 59m

Washington, D.C. Dulles Intl

mar. 7/15

3:56 pm-9:03 pm

1 stop8h 07m

$239

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

mié. 7/23

6:07 pm-7:27 am

1 stop10h 20m

Washington, D.C. Dulles Intl

mié. 7/30

5:25 pm-11:44 pm

1 stop9h 19m

$254

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

mié. 10/1

10:09 am-10:49 pm

1 stop9h 40m

Washington, D.C. Dulles Intl

lun. 10/6

6:45 am-2:40 pm

1 stop10h 55m

$267

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

sáb. 11/8

8:55 am-4:46 pm

Nonstop4h 51m

Washington, D.C. Dulles Intl

sáb. 11/8

6:11 pm-9:04 pm

Nonstop5h 53m

$271

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

jue. 8/7

7:05 am-7:19 pm

1 stop9h 14m

Washington, D.C. Dulles Intl

mié. 8/13

6:30 am-9:17 am

Nonstop5h 47m

$273

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

mié. 10/22

3:15 pm-11:15 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

mar. 10/28

7:00 am-10:05 am

Nonstop6h 05m

$277

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

mié. 11/12

9:25 am-9:06 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

sáb. 11/15

5:55 pm-8:54 pm

Nonstop5h 59m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from State of Washington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from State of Washington to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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?

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

The most flights from USWA to IAD 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 (6 on average).

Rainfall in Dulles Intl 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

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 a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

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

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

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

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 $100 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $105 and Southwest from $110 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: Avianca (92%), Copa Airlines (87%), Lufthansa( 85%).
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 $902, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $271 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, August is the cheapest month in which you can book a flight from State of Washington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from State of Washington to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

See more FAQs

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Sterling

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Washington to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$143	Average$337	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$174	Average$445	FlexibilityNo cancel fee	On-time75%
Sun Country Air	Cheapest$208	Average$534	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$222	Average$443	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$238	Average$474	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$336	Average$488	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$100+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Dulles Intl

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Washington to Dulles Intl

Cheapest flights from Washington to Dulles IntlExplore 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 junio 12, 2025.

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 junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Washington, D.C. Dulles Intl Airport that are best for you.

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.

Cheapflights Insights

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

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

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 junio 12, 2025.

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

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

What are the most popular routes 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?

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

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

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

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

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

Traveling to a place near Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Washington to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 junio 12, 2025.