Cheap flights from Boston to Washington, D.C. from $89

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 5/14. 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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Cheap round-trip flights

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Delta Logo
9:55 pm - 11:42 pm
BOS
-
DCA
1h 47mnonstop
Delta Logo
8:40 am - 10:33 am
DCA
-
BOS
1h 53mnonstop
$166Delta
Fri, May 29 - Tue, Jun 2
JetBlue Logo
8:00 am - 9:44 am
BOS
-
DCA
1h 44mnonstop
JetBlue Logo
1:20 pm - 2:53 pm
DCA
-
BOS
1h 33mnonstop
$167JetBlue
Wed, May 6 - Wed, May 6
JetBlue Logo
9:03 am - 10:44 am
BOS
-
DCA
1h 41mnonstop
JetBlue Logo
9:00 pm - 10:38 pm
DCA
-
BOS
1h 38mnonstop
$170JetBlue
Thu, May 21 - Thu, May 28
JetBlue Logo
9:03 am - 10:44 am
BOS
-
DCA
1h 41mnonstop
JetBlue Logo
9:00 pm - 10:38 pm
DCA
-
BOS
1h 38mnonstop
$172JetBlue
Fri, Jun 5 - Sat, Jun 6
JetBlue Logo
5:18 pm - 7:09 pm
BOS
-
DCA
1h 51mnonstop
JetBlue Logo
1:20 pm - 2:53 pm
DCA
-
BOS
1h 33mnonstop
$173JetBlue
Thu, May 7 - Mon, May 11
JetBlue Logo
8:06 pm - 9:50 pm
BOS
-
DCA
1h 44mnonstop
JetBlue Logo
11:00 am - 12:35 pm
DCA
-
BOS
1h 35mnonstop
$174JetBlue
Sat, Aug 15 - Tue, Aug 18
JetBlue Logo
2:59 pm - 4:42 pm
BOS
-
DCA
1h 43mnonstop
JetBlue Logo
7:00 am - 8:34 am
DCA
-
BOS
1h 34mnonstop
$175JetBlue
Sat, May 9 - Tue, May 12
Delta Logo
7:25 am - 9:16 am
BOS
-
DCA
1h 51mnonstop
Delta Logo
11:00 am - 4:00 pm
DCA
-
BOS
5h 00m
1 stop
$176Delta
Tue, May 26 - Sat, May 30
Delta Logo
7:25 am - 9:16 am
BOS
-
DCA
1h 51mnonstop
Delta Logo
6:00 am - 7:40 am
DCA
-
BOS
1h 40mnonstop
$177Delta
Thu, May 28 - Sun, May 31
JetBlue Logo
6:20 am - 7:59 am
BOS
-
DCA
1h 39mnonstop
JetBlue Logo
9:00 pm - 10:38 pm
DCA
-
BOS
1h 38mnonstop
$178JetBlue
Sun, May 3 - Mon, May 4

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
May 29
BOS9:55 pmBoston Logan Intl
1h 47m
DCA11:42 pmWashington, D.C. Reagan-National
Jun 2
DCA8:40 amWashington, D.C. Reagan-National
1h 53m
BOS10:33 amBoston Logan Intl
$166
Delta
May 26
BOS7:25 amBoston Logan Intl
1h 51m
DCA9:16 amWashington, D.C. Reagan-National
May 30
DCA11:00 amWashington, D.C. Reagan-National
5h 00m
1 stop
BOS4:00 pmBoston Logan Intl
$176
Delta
May 28
BOS7:25 amBoston Logan Intl
1h 51m
DCA9:16 amWashington, D.C. Reagan-National
May 31
DCA6:00 amWashington, D.C. Reagan-National
1h 40m
BOS7:40 amBoston Logan Intl
$177

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
May 6
BOS8:00 amBoston Logan Intl
1h 44m
DCA9:44 amWashington, D.C. Reagan-National
May 6
DCA1:20 pmWashington, D.C. Reagan-National
1h 33m
BOS2:53 pmBoston Logan Intl
$167
JetBlue
May 21
BOS9:03 amBoston Logan Intl
1h 41m
DCA10:44 amWashington, D.C. Reagan-National
May 28
DCA9:00 pmWashington, D.C. Reagan-National
1h 38m
BOS10:38 pmBoston Logan Intl
$170
JetBlue
Jun 5
BOS9:03 amBoston Logan Intl
1h 41m
DCA10:44 amWashington, D.C. Reagan-National
Jun 6
DCA9:00 pmWashington, D.C. Reagan-National
1h 38m
BOS10:38 pmBoston Logan Intl
$172

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 April 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

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 5/29

9:55 pm-11:42 pm

Nonstop1h 47m

Washington, D.C. Reagan-National

Tue 6/2

8:40 am-10:33 am

Nonstop1h 53m

$166
Quickest round-trip

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 5/6

8:00 am-9:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Wed 5/6

1:20 pm-2:53 pm

Nonstop1h 33m

$167

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/21

9:03 am-10:44 am

Nonstop1h 41m

Washington, D.C. Reagan-National

Thu 5/28

9:00 pm-10:38 pm

Nonstop1h 38m

$170

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 6/5

9:03 am-10:44 am

Nonstop1h 41m

Washington, D.C. Reagan-National

Sat 6/6

9:00 pm-10:38 pm

Nonstop1h 38m

$172

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/7

5:18 pm-7:09 pm

Nonstop1h 51m

Washington, D.C. Reagan-National

Mon 5/11

1:20 pm-2:53 pm

Nonstop1h 33m

$173

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 8/15

8:06 pm-9:50 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

Tue 8/18

11:00 am-12:35 pm

Nonstop1h 35m

$174

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 5/9

2:59 pm-4:42 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Tue 5/12

7:00 am-8:34 am

Nonstop1h 34m

$175

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 5/26

7:25 am-9:16 am

Nonstop1h 51m

Washington, D.C. Reagan-National

Sat 5/30

11:00 am-4:00 pm

1 stop5h 00m

$176

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/28

7:25 am-9:16 am

Nonstop1h 51m

Washington, D.C. Reagan-National

Sun 5/31

6:00 am-7:40 am

Nonstop1h 40m

$177

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sun 5/3

6:20 am-7:59 am

Nonstop1h 39m

Washington, D.C. Reagan-National

Mon 5/4

9:00 pm-10:38 pm

Nonstop1h 38m

$178

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 $207. 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 $215.

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 $264. Flights from Boston to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $327. 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 $259. 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 $306.

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 $251 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 $180 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 April 2026, prices for Boston to Washington, D.C. Reagan-National Airport flights are approximately 35% more expensive 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

$129

Fastest flight time

1h 39m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Boston in the past 72 hours is $129. The best round-trip flight deal from Boston to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $239.
The fastest flight from Boston to Washington, D.C. Reagan-National Airport takes 1h 39m
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 39m.

  • 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
Spirit AirlinesPriceFrom $42Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
8,438 reviews
Search Delta flights
United AirlinesPriceFrom $118Free CancellationRating
7.4
9,635 reviews
Search United Airlines flights
JetBluePriceFrom $127Free CancellationRating
7.2
2,952 reviews
Search JetBlue flights
American AirlinesPriceFrom $154Free CancellationRating
7.1
11,659 reviews
Search American Airlines flights
  • Delta Flights From Boston to Washington, D.C. Reagan-National Airport

    Across 50 Delta flights from Boston to Washington, D.C. Reagan-National Airport this week, the average price was $264, with the best Delta deals starting from $110 round-trip. 8,438 users have rated Delta on momondo, with an average score of 7.9/10.

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

    Across 2,952 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Boston to Washington, D.C. Reagan-National Airport about 41 times each week, with ticket deals ranging from $127 to $246. 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
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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
Sat 5/23
Sat 5/30

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