Which airlines fly to Washington, D.C. Dulles Intl Airport?

There may be other airlines that fly to Washington, D.C. Dulles Intl Airport from United States, but the most popular among our users are United Airlines, Frontier, Delta and Alaska Airlines. These airlines should offer flights to Washington, D.C. Dulles Intl Airport on a routine basis if you’re flying from one of the more popular airports in United States.

Southwest Flights to Washington, D.C. Dulles Intl Airport

Southwest is a popular choice for users traveling to Washington, D.C. Dulles Intl Airport. It operates 13 flights every week to Washington, D.C. Dulles Intl Airport, most often flying from Denver Intl. Southwest ticket prices will depend on when and where you need to fly from - deals as low as $177 (from Denver Intl) have been found by momondo users. In 4,241 reviews, momondo users have rated Southwest at an average score of 8.0/10.

Alaska Airlines Flights to Washington, D.C. Dulles Intl Airport

Alaska Airlines (8.0/10, 11,103 reviews) is also a popular choice for flights to Washington, D.C. Dulles Intl Airport, with deals from as low as $226 from Los Angeles, round-trip. With 17 Alaska Airlines flights to Washington, D.C. Dulles Intl Airport on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from United States to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Los Angeles and flying into Washington, D.C. Dulles Intl (one of the most popular routes), then the duration is 4h 33m on average. Another popular route from United States to Washington, D.C. Dulles Intl Airport is flying from Miami to Washington, D.C. Dulles Intl, which will take roughly 2h 34m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from United States to Washington, D.C. Dulles Intl?

Frontier and United Airlines are the most popular carriers operating from United States to Washington, D.C. Dulles Intl

$47 Cheap Flights to Washington, D.C. Dulles Intl Airport (IAD) in 2025/26

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Find the cheapest flights from the United States to Washington, D.C. Dulles Intl Airport

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One-way

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2:48 pm - 4:34 pmATL-IAD

1h 46mnonstop

6:41 pm - 8:47 pmIAD-ATL

2h 06mnonstop

$82Frontier

Find Deal

Thu, Nov 13 - Thu, Nov 20

10:11 pm - 11:59 pmATL-IAD

1h 48mnonstop

8:00 am - 10:13 amIAD-ATL

2h 13mnonstop

$83Frontier

Find Deal

Sun, Nov 23 - Tue, Dec 2

11:59 pm - 5:16 amDEN-IAD

3h 17mnonstop

8:25 am - 10:24 amIAD-DEN

3h 59mnonstop

$141United Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

5:30 am - 7:13 amBOS-IAD

1h 43mnonstop

9:00 am - 10:38 amIAD-BOS

1h 38mnonstop

$147United Airlines

Find Deal

Wed, Nov 5 - Thu, Nov 6

12:19 pm - 4:05 pmDFW-IAD

2h 46mnonstop

5:15 pm - 8:00 pmIAD-DFW

3h 45mnonstop

$157American Airlines

Find Deal

Sat, Feb 14 - Tue, Feb 17

6:40 pm - 10:28 pmDFW-IAD

2h 48mnonstop

6:04 am - 8:42 amIAD-DFW

3h 38mnonstop

$177American Airlines

Find Deal

Sat, Nov 15 - Mon, Nov 17

2:50 pm - 4:23 pmDTW-IAD

1h 33mnonstop

6:00 am - 7:44 amIAD-DTW

1h 44mnonstop

$189Delta

Find Deal

Thu, Nov 13 - Sun, Nov 16

9:30 pm - 11:00 pmDTW-IAD

1h 30mnonstop

6:05 am - 7:41 amIAD-DTW

1h 36mnonstop

$194Delta

Find Deal

Tue, Oct 28 - Thu, Nov 6

10:14 pm - 6:13 amSEA-IAD

4h 59mnonstop

7:33 am - 10:20 amIAD-SEA

5h 47mnonstop

$257Alaska Airlines

Find Deal

Mon, Dec 29 - Mon, Jan 5

9:55 pm - 5:55 amSEA-IAD

5h 00mnonstop

7:00 am - 9:45 amIAD-SEA

5h 45mnonstop

$264Alaska Airlines

Find Deal

Sun, Feb 22 - Tue, Mar 3

Fly from

Route

Depart

Return

Price

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Thu 11/13

2:48 pm-4:34 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Thu 11/20

6:41 pm-8:47 pm

Nonstop2h 06m

$82

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Sun 11/23

10:11 pm-11:59 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Tue 12/2

8:00 am-10:13 am

Nonstop2h 13m

$83

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 11/13

11:59 pm-5:16 am

Nonstop3h 17m

Washington, D.C. Dulles Intl

Sun 11/16

8:25 am-10:24 am

Nonstop3h 59m

$141

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 11/5

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 11/6

9:00 am-10:38 am

Nonstop1h 38m

$147

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 2/14

12:19 pm-4:05 pm

Nonstop2h 46m

Washington, D.C. Dulles Intl

Tue 2/17

5:15 pm-8:00 pm

Nonstop3h 45m

$157

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 11/15

6:40 pm-10:28 pm

Nonstop2h 48m

Washington, D.C. Dulles Intl

Mon 11/17

6:04 am-8:42 am

Nonstop3h 38m

$177

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 11/13

2:50 pm-4:23 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-7:44 am

Nonstop1h 44m

$189

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 10/28

9:30 pm-11:00 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Thu 11/6

6:05 am-7:41 am

Nonstop1h 36m

$194

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 12/29

10:14 pm-6:13 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Mon 1/5

7:33 am-10:20 am

Nonstop5h 47m

$257

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sun 2/22

9:55 pm-5:55 am

Nonstop5h 00m

Washington, D.C. Dulles Intl

Tue 3/3

7:00 am-9:45 am

Nonstop5h 45m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Flights to Washington, D.C. Dulles Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

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What cabin class options are available on United States to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on United States to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $432. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from United States to Washington, D.C. Dulles Intl Airport for around $593.

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

In general, April is the cheapest month to fly from United States to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $182. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $188.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $462 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $639 on average. Flights to Washington, D.C. Dulles Intl Airport from United States at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United States to Washington, D.C. Dulles Intl flight route?

Fly from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl for the best United States - Washington, D.C. Dulles Intl flight prices

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport

Find flights from Los Angeles to Washington, D.C. Dulles Intl Airport

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LOS ANGELES	May	17% cheaper	Flying from Los Angeles to Washington, D.C. Dulles Intl Airport costs on average just $327 in May
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LOS ANGELES	December	28% more expensive	It costs about $502 for flights to Washington, D.C. Dulles Intl Airport from Los Angeles in December
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LOS ANGELES	May	311% more users visited	More momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Los Angeles in May than any other month

Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines

Best One-Way Price	$47
Best Round-Trip Price	$82
Fastest flight time	1h 45m
Popular in	December

The best one-way flight price to Washington, D.C. from United States in the last 72 hours is $47 (Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl).

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The best round-trip flight price to Washington, D.C. from United States in the last 72 hours is $82 (Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl).

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The fastest flight to Washington, D.C. from United States takes 1h 45m (Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl).

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December has the highest demand for flights to Washington, D.C., with a 18% price increase on average.

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Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

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

In general, when booking your flight to Washington, D.C. Dulles Intl Airport, April is the cheapest month on average.

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

In general, most flyers find the cheapest time to book a flight to Washington, D.C. Dulles Intl Airport is about 38 days prior.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

From most locations, the cheapest flights to Washington, D.C. Dulles Intl Airport are found on a Friday. Booking a Monday departure is usually the most expensive.

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

In general, when looking for the cheapest flight to Washington, D.C. Dulles Intl Airport, our data indicates that Morning flights are the most cost-effective. Noon flights tend to be the most expensive.

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Those flying to Washington, D.C. Dulles Intl Airport could potentially find better pricing at Washington, D.C. Reagan-National Airport (4 mi from Washington, D.C. city center) or Baltimore/Washington Airport (27 mi from Washington, D.C. city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Washington, D.C.?

With an average price of $357 per person, Baltimore/Washington Airport is the cheapest airport to fly into when planning your trip to Washington, D.C.. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Washington, D.C.?

The best price found on momondo to Washington, D.C. was $79/pp from Orlando, which is 81% cheaper than the average flight price to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

What airlines fly to Washington, D.C. Dulles Intl Airport?

You can find flights to Washington, D.C. Dulles Intl Airport from 13 airlines. If you’re unsure which to fly with, consider booking your flight with United Airlines, Frontier or Delta as these are the most popular among our users. United Airlines is the most favored with 69% of momondo travelers booking flights with this airline.

When did momondo last update prices for flights to Washington, D.C. Dulles Intl Airport?

Prices for flights to Washington, D.C. Dulles Intl Airport are updated daily.

How many operators does momondo search for flights to Washington, D.C. Dulles Intl Airport?

As of October 2025, there are 55 operators available to choose from for flights to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Winchester

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Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Manassas

Reston

Fairfax

Gaithersburg

Glen Burnie

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Why should I use momondo to find a flight deal to Washington, D.C.?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

All flight searches to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. and alert you when they change.

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$47 Cheap flights to Washington, D.C. Dulles Intl Airport

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Flights to Washington, D.C. Dulles Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

What cabin class options are available on United States to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on United States to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest United States to Washington, D.C. Dulles Intl flight route?

Fly from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl for the best United States - Washington, D.C. Dulles Intl flight prices

What is the cheapest airline that flies from United States to Washington, D.C. Dulles Intl?

Frontier and United Airlines are the most popular carriers operating from United States to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

As of October 2025, there are 189 flights per day flying from United States to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 8:00AM, with 37% of flights taking off at noon.

How many flights depart from United States to Washington, D.C. Dulles Intl Airport on average per week?

1,325 flights are operational weekly from United States to Washington, D.C. Dulles Intl Airport as of October 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport

Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

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

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Is there a cheaper alternative to flying into Washington, D.C.?

What is the absolute cheapest flight to Washington, D.C.?

What airlines fly to Washington, D.C. Dulles Intl Airport?

When did momondo last update prices for flights to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Why use momondo?

Why should I use momondo to find a flight deal to Washington, D.C.?

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights to Washington, D.C.?

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C. Dulles Intl Airport IAD

Popular flights to Washington, D.C. Dulles Intl Airport

Popular routes according to searches in the past day on momondo