Cheap flights from Boston to Washington, D.C. from $94

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. departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:20 am - 12:01 pm
BOS
-
DCA
1h 41mnonstop
JetBlue Logo
1:25 pm - 2:59 pm
DCA
-
BOS
1h 34mnonstop
$179JetBlue
Sat, Jul 11 - Tue, Jul 14
JetBlue Logo
5:15 pm - 7:20 pm
BOS
-
DCA
2h 05mnonstop
JetBlue Logo
8:55 am - 10:30 am
DCA
-
BOS
1h 35mnonstop
$180JetBlue
Wed, Sep 16 - Sun, Sep 20
American Airlines Logo
7:27 pm - 9:15 pm
BOS
-
DCA
1h 48mnonstop
American Airlines Logo
3:23 pm - 8:59 pm
DCA
-
BOS
5h 36m
1 stop
$181American Airlines
Tue, Jul 14 - Sat, Jul 18
Delta Logo
6:00 am - 7:49 am
BOS
-
DCA
1h 49mnonstop
Delta Logo
11:00 am - 2:23 pm
DCA
-
BOS
3h 23m
1 stop
$182Delta
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
6:00 am - 7:44 am
BOS
-
DCA
1h 44mnonstop
American Airlines Logo
3:23 pm - 8:10 pm
DCA
-
BOS
4h 47m
1 stop
$183American Airlines
Wed, Jul 15 - Sat, Jul 18
Delta Logo
7:25 am - 9:23 am
BOS
-
DCA
1h 58mnonstop
Delta Logo
6:20 am - 10:23 am
DCA
-
BOS
4h 03m
1 stop
$186Delta
Sat, Aug 15 - Mon, Aug 17
Delta Logo
7:25 am - 9:21 am
BOS
-
DCA
1h 56mnonstop
Delta Logo
6:00 am - 7:45 am
DCA
-
BOS
1h 45mnonstop
$187Delta
Wed, Jul 15 - Sun, Jul 19
Delta Logo
2:20 pm - 4:17 pm
BOS
-
DCA
1h 57mnonstop
Delta Logo
10:00 pm - 11:42 pm
DCA
-
BOS
1h 42mnonstop
$188Delta
Tue, Jul 21 - Fri, Jul 24
JetBlue Logo
6:15 am - 7:58 am
BOS
-
DCA
1h 43mnonstop
JetBlue Logo
11:00 am - 12:35 pm
DCA
-
BOS
1h 35mnonstop
$190JetBlue
Thu, Aug 6 - Mon, Aug 10
JetBlue Logo
10:20 am - 12:01 pm
BOS
-
DCA
1h 41mnonstop
JetBlue Logo
8:44 am - 10:20 am
DCA
-
BOS
1h 36mnonstop
$191JetBlue
Wed, Jul 15 - Sun, Jul 19

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JetBlue flights from Boston to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on Boston to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Jul 11
BOS10:20 amBoston Logan Intl
1h 41m
DCA12:01 pmWashington, D.C. Reagan-National
Jul 14
DCA1:25 pmWashington, D.C. Reagan-National
1h 34m
BOS2:59 pmBoston Logan Intl
$179
JetBlue
Sep 16
BOS5:15 pmBoston Logan Intl
2h 05m
DCA7:20 pmWashington, D.C. Reagan-National
Sep 20
DCA8:55 amWashington, D.C. Reagan-National
1h 35m
BOS10:30 amBoston Logan Intl
$180
JetBlue
Aug 6
BOS6:15 amBoston Logan Intl
1h 43m
DCA7:58 amWashington, D.C. Reagan-National
Aug 10
DCA11:00 amWashington, D.C. Reagan-National
1h 35m
BOS12:35 pmBoston Logan Intl
$190

Delta flights from Boston to Washington, D.C. Reagan-National Airport

Our best Delta deals on Boston to Washington, D.C. Reagan-National Airport flight tickets
Delta
Jul 14
BOS6:00 amBoston Logan Intl
1h 49m
DCA7:49 amWashington, D.C. Reagan-National
Jul 21
DCA11:00 amWashington, D.C. Reagan-National
3h 23m
1 stop
BOS2:23 pmBoston Logan Intl
$182
Delta
Aug 15
BOS7:25 amBoston Logan Intl
1h 58m
DCA9:23 amWashington, D.C. Reagan-National
Aug 17
DCA6:20 amWashington, D.C. Reagan-National
4h 03m
1 stop
BOS10:23 amBoston Logan Intl
$186
Delta
Jul 15
BOS7:25 amBoston Logan Intl
1h 56m
DCA9:21 amWashington, D.C. Reagan-National
Jul 19
DCA6:00 amWashington, D.C. Reagan-National
1h 45m
BOS7:45 amBoston Logan Intl
$187

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Boston to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 7/11

10:20 am-12:01 pm

Nonstop1h 41m

Washington, D.C. Reagan-National

Tue 7/14

1:25 pm-2:59 pm

Nonstop1h 34m

$179

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 9/16

5:15 pm-7:20 pm

Nonstop2h 05m

Washington, D.C. Reagan-National

Sun 9/20

8:55 am-10:30 am

Nonstop1h 35m

$180

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 7/14

7:27 pm-9:15 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Sat 7/18

3:23 pm-8:59 pm

1 stop5h 36m

$181

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 7/14

6:00 am-7:49 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 7/21

11:00 am-2:23 pm

1 stop3h 23m

$182

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 7/15

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sat 7/18

3:23 pm-8:10 pm

1 stop4h 47m

$183

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 8/15

7:25 am-9:23 am

Nonstop1h 58m

Washington, D.C. Reagan-National

Mon 8/17

6:20 am-10:23 am

1 stop4h 03m

$186

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 7/15

7:25 am-9:21 am

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 7/19

6:00 am-7:45 am

Nonstop1h 45m

$187

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 7/21

2:20 pm-4:17 pm

Nonstop1h 57m

Washington, D.C. Reagan-National

Fri 7/24

10:00 pm-11:42 pm

Nonstop1h 42m

$188

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 8/6

6:15 am-7:58 am

Nonstop1h 43m

Washington, D.C. Reagan-National

Mon 8/10

11:00 am-12:35 pm

Nonstop1h 35m

$190

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 7/15

10:20 am-12:01 pm

Nonstop1h 41m

Washington, D.C. Reagan-National

Sun 7/19

8:44 am-10:20 am

Nonstop1h 36m

$191

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. from

How to get the cheapest flight ticket from Boston to Washington, D.C. Reagan-National 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 typical price of a round-trip flight between Boston and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Boston, with most prices found around $210. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $216.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Boston to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $266. Flights from Boston to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $322. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Boston to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $263. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $307.

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

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

How far in advance should I book a flight from Boston to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $256 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Boston for as low as $200 on momondo.

What cabin class options are available on Boston to Washington, D.C. Reagan-National Airport flights?

There are 4 cabin classes available to choose from on Boston to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of June 2026, prices for Boston to Washington, D.C. Reagan-National Airport flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Washington, D.C. Reagan-National 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. Reagan-National Airport (BOS to DCA) flight deals and tips

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

Best Price Found

$139

Fastest flight time

1h 40m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Boston in the past 72 hours is $139. The best round-trip flight deal from Boston to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $236.
The fastest flight from Boston to Washington, D.C. Reagan-National Airport takes 1h 40m
Direct flights go from Boston to Washington, D.C. Reagan-National Airport every day.

Frequently asked questions about flying from Boston to Washington, D.C. Reagan-National Airport

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

    There are 395.9 mi between Boston Logan Intl and Washington, D.C. Reagan-National. By plane, this route typically takes 1h 40m.

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

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

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

  • How old do you have to be to fly from Boston Logan Intl Airport to Washington, D.C. Reagan-National 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 from Boston Logan Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Boston to Washington, D.C. Reagan-National Airport?

Best airlines flying from Boston to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Boston to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $118Free CancellationRating
7.4
9,872 reviews
Search United Airlines flights
DeltaPriceFrom $118Free CancellationRating
7.8
8,424 reviews
Search Delta flights
JetBluePriceFrom $127Free CancellationRating
7.1
2,997 reviews
Search JetBlue flights
American AirlinesPriceFrom $153Free CancellationRating
7.1
11,741 reviews
Search American Airlines flights
  • Delta Flights From Boston to Washington, D.C. Reagan-National Airport

    Across 42 Delta flights from Boston to Washington, D.C. Reagan-National Airport this week, the average price was $276, with the best Delta deals starting from $118 round-trip. 8,424 users have rated Delta on momondo, with an average score of 7.8/10.

  • JetBlue Flights From Boston to Washington, D.C. Reagan-National Airport

    Across 2,997 JetBlue reviews on momondo, the average score is 7.1/10. JetBlue flies from Boston to Washington, D.C. Reagan-National Airport about 21 times each week, with ticket deals ranging from $127 to $248. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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?

If you are not ready to book a flight from Boston to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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1 adult
Thu 7/23
Thu 7/30

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