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Flights to Washington, D.C. Dulles Intl

$38 Cheap flights to Washington, D.C. Dulles Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. Dulles Intl Airport departing on 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to Washington, D.C. Dulles Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:35 pm - 4:23 pm
ATL
-
IAD
1h 48mnonstop
Frontier Logo
11:28 am - 1:32 pm
IAD
-
ATL
2h 04mnonstop
$66Frontier
Fri, Feb 20 - Sun, Feb 22
Multiple Airlines Logo
5:45 am - 7:55 am
MCO
-
IAD
2h 10mnonstop
Multiple Airlines Logo
2:58 pm - 7:03 pm
IAD
-
MCO
4h 05m1 stop
$67Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
9:30 am - 11:16 am
BOS
-
IAD
1h 46mnonstop
United Airlines Logo
10:12 pm - 11:49 pm
IAD
-
BOS
1h 37mnonstop
$147United Airlines
Wed, Jan 14 - Wed, Jan 14
United Airlines Logo
9:30 am - 11:16 am
BOS
-
IAD
1h 46mnonstop
United Airlines Logo
12:40 pm - 2:17 pm
IAD
-
BOS
1h 37mnonstop
$157United Airlines
Wed, Jan 14 - Wed, Jan 21
Delta Logo
6:00 am - 4:28 pm
SEA
-
IAD
7h 28m1 stop
Delta Logo
7:30 am - 10:29 am
IAD
-
SEA
5h 59mnonstop
$209Delta
Sat, Feb 14 - Tue, Feb 17
Delta Logo
1:35 pm - 11:48 pm
SEA
-
IAD
7h 13m1 stop
Delta Logo
2:20 pm - 8:46 pm
IAD
-
SEA
9h 26m1 stop
$219Delta
Thu, Jan 8 - Tue, Jan 13
Alaska Airlines Logo
9:27 am - 5:20 pm
SEA
-
IAD
4h 53mnonstop
Alaska Airlines Logo
7:05 am - 10:05 am
IAD
-
SEA
6h 00mnonstop
$238Alaska Airlines
Thu, Feb 12 - Wed, Feb 18
Alaska Airlines Logo
9:27 am - 5:20 pm
SEA
-
IAD
4h 53mnonstop
Alaska Airlines Logo
7:05 am - 10:05 am
IAD
-
SEA
6h 00mnonstop
$239Alaska Airlines
Sun, Feb 15 - Tue, Feb 17
American Airlines Logo
6:00 am - 4:31 pm
SFO
-
IAD
7h 31m1 stop
American Airlines Logo
5:26 pm - 11:12 pm
IAD
-
SFO
8h 46m1 stop
$276American Airlines
Sat, Jan 10 - Tue, Jan 13
American Airlines Logo
12:49 pm - 11:42 pm
HOU
-
IAD
9h 53m2 stops
American Airlines Logo
5:26 pm - 10:46 pm
IAD
-
HOU
6h 20m1 stop
$310American Airlines
Sat, Jan 17 - Sat, Jan 24

momondo Fare Finder

 
Locate flights to Washington, D.C. Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on December 16, 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

Fri 2/20

2:35 pm-4:23 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Sun 2/22

11:28 am-1:32 pm

Nonstop2h 04m

$66

OrlandoWashington, D.C.

MCO - IAD

MCOIAD

Orlando

Fri 1/9

5:45 am-7:55 am

Nonstop2h 10m

Washington, D.C. Dulles Intl

Mon 1/12

2:58 pm-7:03 pm

1 stop4h 05m

$67

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 1/14

9:30 am-11:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Wed 1/14

10:12 pm-11:49 pm

Nonstop1h 37m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 1/14

9:30 am-11:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Wed 1/21

12:40 pm-2:17 pm

Nonstop1h 37m

$157

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sat 2/14

6:00 am-4:28 pm

1 stop7h 28m

Washington, D.C. Dulles Intl

Tue 2/17

7:30 am-10:29 am

Nonstop5h 59m

$209

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 1/8

1:35 pm-11:48 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Tue 1/13

2:20 pm-8:46 pm

1 stop9h 26m

$219

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 2/12

9:27 am-5:20 pm

Nonstop4h 53m

Washington, D.C. Dulles Intl

Wed 2/18

7:05 am-10:05 am

Nonstop6h 00m

$238

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sun 2/15

9:27 am-5:20 pm

Nonstop4h 53m

Washington, D.C. Dulles Intl

Tue 2/17

7:05 am-10:05 am

Nonstop6h 00m

$239

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 1/10

6:00 am-4:31 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Tue 1/13

5:26 pm-11:12 pm

1 stop8h 46m

$276

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 1/17

12:49 pm-11:42 pm

2 stops9h 53m

Washington, D.C. Dulles Intl

Sat 1/24

5:26 pm-10:46 pm

1 stop6h 20m

$310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. Dulles Intl Airport from

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?

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 $427. 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 $574.

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

In general, November 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 $178. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $182.

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 $440 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 $635 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 Miami 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 ANGELESMay16% cheaperFlying 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 ANGELESDecember25% more expensiveIt costs about $489 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 ANGELESMay329% more users visitedMore 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

$38

Best Round-Trip Price

$66

Fastest flight time

1h 46m

Popular in

December
The best one-way flight price to Washington, D.C. from United States in the last 72 hours is $38 (Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl).
Search Deals
The best round-trip flight price to Washington, D.C. from United States in the last 72 hours is $66 (Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl).
Search Deals
The fastest flight to Washington, D.C. from United States takes 1h 46m (Boston Logan Intl to Washington, D.C. Dulles Intl).
Search Deals
December has the highest demand for flights to Washington, D.C., with a 10% price increase on average.
Search Deals

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, November 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 $421 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 $69/pp from Miami, which is 84% 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 68% 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 December 2025, there are 53 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.

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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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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
Flights from Boston Logan Intl to IADfrom $172
Flights from San Francisco to IADfrom $306
Flights from Los Angeles to IADfrom $237
Flights from Atlanta Hartsfield-Jackson to IADfrom $56
Flights from Raleigh-Durham to IADfrom $252