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Cheap flights from Boston to Washington, D.C. Dulles Intl Airport from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington, D.C. Dulles Intl Airport departing on 1/22. 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 Boston to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Boston to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Washington, D.C.

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All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
11:05 am - 6:12 pmBOS-IAD
7h 07m1 stop
4:42 pm - 12:41 amIAD-BOS
7h 59m1 stop
$108Frontier
Find Deal
Tue, Dec 17 - Mon, Jan 6
6:00 am - 12:14 pmBOS-IAD
6h 14m1 stop
12:37 pm - 12:39 amIAD-BOS
12h 02m1 stop
$109Frontier
Find Deal
Wed, Jan 22 - Tue, Jan 28
9:38 am - 11:22 amBOS-IAD
1h 44mnonstop
10:24 pm - 11:59 pmIAD-BOS
1h 35mnonstop
$137United Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 24
5:45 am - 7:29 amBOS-IAD
1h 44mnonstop
8:20 am - 9:55 amIAD-BOS
1h 35mnonstop
$142United Airlines
Find Deal
Mon, Dec 16 - Sun, Jan 26
8:30 pm - 2:49 pmBOS-IAD
18h 19m2 stops
7:05 pm - 10:39 amIAD-BOS
15h 34m1 stop
Wed, Jan 8 - Sun, Jan 12
9:05 am - 3:35 pmBOS-IAD
6h 30m1 stop
5:16 pm - 11:43 pmIAD-BOS
6h 27m1 stop
$252Delta
Find Deal
Fri, Jan 3 - Tue, Jan 7
8:30 pm - 8:35 pmBOS-IAD
24h 05m2 stops
9:15 pm - 11:38 pmIAD-BOS
26h 23m2 stops
Wed, Jan 1 - Sun, Jan 5
6:05 am - 12:55 pmBOS-IAD
6h 50m1 stop
5:16 pm - 11:43 pmIAD-BOS
6h 27m1 stop
$254Delta
Find Deal
Wed, Dec 18 - Mon, Jan 20
5:15 am - 1:23 pmBOS-IAD
8h 08m1 stop
8:10 pm - 12:38 amIAD-BOS
4h 28m1 stop
$294American Airlines
Find Deal
Tue, Dec 31 - Fri, Jan 3
2:37 pm - 7:40 pmBOS-IAD
5h 03m1 stop
8:10 pm - 12:38 amIAD-BOS
4h 28m1 stop
$296American Airlines
Find Deal
Fri, Dec 20 - Mon, Dec 23
6:00 am - 12:14 pmBOS-IAD
6h 14m1 stop
$53Frontier
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Wed, Jan 22
11:05 am - 6:12 pmBOS-IAD
7h 07m1 stop
$54Frontier
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Tue, Dec 17
5:45 am - 7:29 amBOS-IAD
1h 44mnonstop
$69United Airlines
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Thu, Dec 12
5:45 am - 7:31 amBOS-IAD
1h 46mnonstop
$74United Airlines
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Thu, Jan 2
1:29 pm - 11:26 amBOS-IAD
21h 57m3 stops
Tue, Jan 7
9:54 am - 8:56 pmBOS-IAD
35h 02m3 stops
Wed, Feb 26
9:05 am - 3:35 pmBOS-IAD
6h 30m1 stop
$126Delta
Find Deal
Fri, Jan 3
10:28 am - 4:58 pmBOS-IAD
6h 30m1 stop
$133American Airlines
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Sat, Dec 14
5:20 am - 11:36 amBOS-IAD
6h 16m1 stop
$138Delta
Find Deal
Sun, Dec 15
6:00 am - 1:22 pmBOS-IAD
7h 22m1 stop
$143American Airlines
Find Deal
Sat, Mar 29
7:38 pm - 9:25 pmBOS-IAD
1h 47mnonstop
12:55 pm - 2:32 pmIAD-BOS
1h 37mnonstop
$137United Airlines
Find Deal
Mon, Dec 9 - Tue, Dec 10
7:38 pm - 9:25 pmBOS-IAD
1h 47mnonstop
6:00 am - 10:11 amIAD-BOS
4h 11m1 stop
$147United Airlines
Find Deal
Mon, Dec 9 - Tue, Dec 17
6:13 pm - 11:55 pmBOS-IAD
5h 42m1 stop
5:28 pm - 10:46 pmIAD-BOS
5h 18m1 stop
$266American Airlines
Find Deal
Mon, Dec 9 - Wed, Dec 11
9:26 am - 4:58 pmBOS-IAD
7h 32m1 stop
1:41 pm - 7:20 pmIAD-BOS
5h 39m1 stop
$311American Airlines
Find Deal
Fri, Dec 6 - Mon, Dec 9
1:02 pm - 5:34 pmBOS-IAD
4h 32m1 stop
5:14 pm - 10:26 pmIAD-BOS
5h 12m1 stop
$312Delta
Find Deal
Sat, Dec 7 - Wed, Dec 11
12:35 pm - 4:10 pmBOS-IAD
27h 35m3 stops
12:55 pm - 1:23 pmIAD-BOS
24h 28m3 stops
Mon, Dec 9 - Wed, Dec 11
1:02 pm - 5:34 pmBOS-IAD
4h 32m1 stop
12:16 pm - 3:46 pmIAD-BOS
3h 30m1 stop
$317Delta
Find Deal
Sat, Dec 7 - Thu, Dec 12
12:35 pm - 8:50 pmBOS-IAD
32h 15m3 stops
12:55 pm - 1:23 pmIAD-BOS
24h 28m3 stops
Mon, Dec 9 - Wed, Dec 11
6:00 am - 12:20 pmBOS-IAD
6h 20m1 stop
5:57 pm - 12:30 amIAD-BOS
6h 33m1 stop
$373Frontier
Find Deal
Thu, Dec 5 - Sun, Dec 8
6:00 am - 4:56 pmBOS-IAD
10h 56m1 stop
12:14 pm - 12:30 amIAD-BOS
12h 16m1 stop
$378Frontier
Find Deal
Thu, Dec 5 - Fri, Dec 6
7:38 pm - 9:25 pmBOS-IAD
1h 47mnonstop
5:25 pm - 7:00 pmIAD-BOS
1h 35mnonstop
$137United Airlines
Find Deal
Sat, Dec 14 - Sat, Jan 25
5:45 am - 7:29 amBOS-IAD
1h 44mnonstop
12:55 pm - 2:30 pmIAD-BOS
1h 35mnonstop
$142United Airlines
Find Deal
Mon, Dec 16 - Sun, Jan 26
5:45 am - 7:31 amBOS-IAD
1h 46mnonstop
10:24 pm - 11:59 pmIAD-BOS
1h 35mnonstop
$147United Airlines
Find Deal
Thu, Jan 2 - Sun, Jan 5
9:25 am - 11:11 amBOS-IAD
1h 46mnonstop
1:00 pm - 2:36 pmIAD-BOS
1h 36mnonstop
$154United Airlines
Find Deal
Thu, Feb 13 - Mon, Feb 17
5:35 am - 7:19 amBOS-IAD
1h 44mnonstop
10:24 pm - 11:59 pmIAD-BOS
1h 35mnonstop
$157United Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
9:25 am - 11:11 amBOS-IAD
1h 46mnonstop
1:00 pm - 2:36 pmIAD-BOS
1h 36mnonstop
$159United Airlines
Find Deal
Thu, Feb 13 - Sun, Feb 16
9:38 am - 11:22 amBOS-IAD
1h 44mnonstop
10:24 pm - 11:59 pmIAD-BOS
1h 35mnonstop
$160United Airlines
Find Deal
Tue, Dec 17 - Thu, Dec 26
5:30 am - 7:11 amBOS-IAD
1h 41mnonstop
5:40 pm - 7:22 pmIAD-BOS
1h 42mnonstop
$164United Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 22
5:30 am - 7:10 amBOS-IAD
1h 40mnonstop
8:50 am - 10:28 amIAD-BOS
1h 38mnonstop
$165United Airlines
Find Deal
Fri, May 9 - Sun, May 11
5:45 am - 7:31 amBOS-IAD
1h 46mnonstop
10:24 pm - 11:59 pmIAD-BOS
1h 35mnonstop
$167United Airlines
Find Deal
Thu, Dec 19 - Wed, Jan 1

Frontier flights from Boston to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Boston to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Dec 17
BOS11:05 amBoston Logan Intl
7h 07m
1 stop
IAD6:12 pmWashington, D.C. Dulles Intl
Jan 6
IAD4:42 pmWashington, D.C. Dulles Intl
7h 59m
1 stop
BOS12:41 amBoston Logan Intl
Frontier
Jan 22
BOS6:00 amBoston Logan Intl
6h 14m
1 stop
IAD12:14 pmWashington, D.C. Dulles Intl
Jan 28
IAD12:37 pmWashington, D.C. Dulles Intl
12h 02m
1 stop
BOS12:39 amBoston Logan Intl
Frontier
Jan 28
BOS6:00 amBoston Logan Intl
5h 47m
1 stop
IAD11:47 amWashington, D.C. Dulles Intl
Feb 4
IAD12:37 pmWashington, D.C. Dulles Intl
12h 02m
1 stop
BOS12:39 amBoston Logan Intl

United Airlines flights from Boston to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Boston to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 17
BOS9:38 amBoston Logan Intl
1h 44m
IAD11:22 amWashington, D.C. Dulles Intl
Dec 24
IAD10:24 pmWashington, D.C. Dulles Intl
1h 35m
BOS11:59 pmBoston Logan Intl
United Airlines
Dec 16
BOS5:45 amBoston Logan Intl
1h 44m
IAD7:29 amWashington, D.C. Dulles Intl
Jan 26
IAD8:20 amWashington, D.C. Dulles Intl
1h 35m
BOS9:55 amBoston Logan Intl
United Airlines
Dec 17
BOS3:57 pmBoston Logan Intl
4h 21m
1 stop
IAD8:18 pmWashington, D.C. Dulles Intl
Dec 24
IAD10:24 pmWashington, D.C. Dulles Intl
1h 35m
BOS11:59 pmBoston Logan Intl

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Boston to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, January is the cheapest month to fly from Boston 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 $215. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $253.

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

Our data shows that Wednesday 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 $266. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Washington, D.C. Dulles Intl Airport for around $317.

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 Boston in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $271 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $327 on average. Flights to Washington, D.C. Dulles Intl Airport from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Washington, D.C. Dulles Intl flight route?

Fly from Boston Logan Intl to Washington, D.C. Dulles Intl for the best Boston Logan Intl - Washington, D.C. Dulles Intl flight prices

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

The ideal time to book your flight to Washington, D.C. Dulles Intl Airport is 51 days in advance when prices tend to average $286. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Boston for as low as $188 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl 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.

Can stopping save me money on Boston to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a Boston to Washington, D.C. Dulles Intl Airport flight.

How have Boston to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2024, prices for Boston to Washington, D.C. Dulles Intl Airport flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Washington, D.C. Dulles Intl Airport (BOS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Washington, D.C. Dulles Intl Airport

Best Price Found

$53

Fastest flight time

1h 34m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Boston in the past 72 hours is $53. The best round-trip flight deal from Boston to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $108.
The fastest flight from Boston to Washington, D.C. Dulles Intl Airport takes 1h 34m
Direct flights go from Boston to Washington, D.C. Dulles Intl Airport every day.

  • How far is Boston Logan Intl to Washington, D.C. Dulles Intl by plane?

    There are 409.1 mi between Boston Logan Intl and Washington, D.C. Dulles Intl. Flights usually cover this in 1h 41m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport 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.

  • What is the most popular plane model from Boston to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Boston to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Boston to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Boston to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $45Free CancellationRating
6.3
8,146 reviews
Search Spirit Airlines flights
DeltaPriceFrom $58Free CancellationRating
8.0
8,687 reviews
Search Delta flights
JetBluePriceFrom $73Free CancellationRating
7.4
3,336 reviews
Search JetBlue flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,137 reviews
Search United Airlines flights
  • United Airlines Flights From Boston to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 16 flights from Boston to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $291, but momondo users have found United Airlines deals from Boston to Washington, D.C. Dulles Intl Airport from as low as $157 round-trip. United Airlines has been scored 7.4/10 in 9,137 reviews.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Boston to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential Boston to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Boston to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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