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Cheap flights from Boston to Washington, D.C. from $83

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 2/18. 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

Enter your travel dates to find the best prices.
JetBlue Logo
1:10 pm - 2:58 pm
BOS
-
DCA
1h 48mnonstop
JetBlue Logo
7:20 am - 8:48 am
DCA
-
BOS
1h 28mnonstop
$160JetBlue
Thu, Mar 12 - Sun, Mar 15
JetBlue Logo
11:10 am - 12:59 pm
BOS
-
DCA
1h 49mnonstop
JetBlue Logo
3:40 pm - 5:17 pm
DCA
-
BOS
1h 37mnonstop
$162JetBlue
Wed, Feb 18 - Wed, Feb 18
JetBlue Logo
7:30 pm - 9:20 pm
BOS
-
DCA
1h 50mnonstop
JetBlue Logo
7:59 pm - 9:33 pm
DCA
-
BOS
1h 34mnonstop
$163JetBlue
Tue, Feb 24 - Tue, Mar 3
JetBlue Logo
1:10 pm - 2:59 pm
BOS
-
DCA
1h 49mnonstop
JetBlue Logo
4:59 pm - 6:36 pm
DCA
-
BOS
1h 37mnonstop
$164JetBlue
Thu, Feb 19 - Mon, Feb 23
JetBlue Logo
7:15 am - 9:07 am
BOS
-
DCA
1h 52mnonstop
JetBlue Logo
3:40 pm - 5:17 pm
DCA
-
BOS
1h 37mnonstop
$165JetBlue
Mon, Feb 23 - Tue, Feb 24
JetBlue Logo
4:00 pm - 5:49 pm
BOS
-
DCA
1h 49mnonstop
JetBlue Logo
11:55 am - 1:26 pm
DCA
-
BOS
1h 31mnonstop
$166JetBlue
Mon, Mar 9 - Mon, Mar 16
Delta Logo
7:35 am - 9:34 am
BOS
-
DCA
1h 59mnonstop
Delta Logo
10:00 pm - 11:30 pm
DCA
-
BOS
1h 30mnonstop
$167Delta
Fri, Mar 13 - Mon, Mar 23
Delta Logo
9:45 pm - 11:43 pm
BOS
-
DCA
1h 58mnonstop
Delta Logo
10:05 pm - 11:38 pm
DCA
-
BOS
1h 33mnonstop
$168Delta
Thu, Feb 19 - Mon, Feb 23
JetBlue Logo
3:30 pm - 5:18 pm
BOS
-
DCA
1h 48mnonstop
JetBlue Logo
7:00 pm - 8:34 pm
DCA
-
BOS
1h 34mnonstop
$169JetBlue
Thu, Mar 19 - Sat, Mar 21
JetBlue Logo
11:10 am - 12:59 pm
BOS
-
DCA
1h 49mnonstop
JetBlue Logo
7:00 am - 8:30 am
DCA
-
BOS
1h 30mnonstop
$170JetBlue
Fri, Feb 27 - Sat, Feb 28

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
Mar 13
BOS9:55 pmBoston Logan Intl
1h 49m
DCA11:44 pmWashington, D.C. Reagan-National
Mar 20
DCA10:00 pmWashington, D.C. Reagan-National
1h 30m
BOS11:30 pmBoston Logan Intl
$167
Delta
Feb 19
BOS9:45 pmBoston Logan Intl
1h 58m
DCA11:43 pmWashington, D.C. Reagan-National
Feb 23
DCA10:05 pmWashington, D.C. Reagan-National
1h 33m
BOS11:38 pmBoston Logan Intl
$168
Delta
Feb 12
BOS7:30 amBoston Logan Intl
2h 01m
DCA9:31 amWashington, D.C. Reagan-National
Feb 16
DCA6:00 amWashington, D.C. Reagan-National
1h 35m
BOS7:35 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
Mar 12
BOS1:10 pmBoston Logan Intl
1h 48m
DCA2:58 pmWashington, D.C. Reagan-National
Mar 15
DCA7:20 amWashington, D.C. Reagan-National
1h 28m
BOS8:48 amBoston Logan Intl
$160
JetBlue
Feb 18
BOS11:10 amBoston Logan Intl
1h 49m
DCA12:59 pmWashington, D.C. Reagan-National
Feb 18
DCA3:40 pmWashington, D.C. Reagan-National
1h 37m
BOS5:17 pmBoston Logan Intl
$162
JetBlue
Feb 24
BOS7:30 pmBoston Logan Intl
1h 50m
DCA9:20 pmWashington, D.C. Reagan-National
Mar 3
DCA7:59 pmWashington, D.C. Reagan-National
1h 34m
BOS9:33 pmBoston Logan Intl
$163

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 January 29, 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

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 3/12

1:10 pm-2:58 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Sun 3/15

7:20 am-8:48 am

Nonstop1h 28m

$160

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 2/18

11:10 am-12:59 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Wed 2/18

3:40 pm-5:17 pm

Nonstop1h 37m

$162

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 2/24

7:30 pm-9:20 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Tue 3/3

7:59 pm-9:33 pm

Nonstop1h 34m

$163

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 2/19

1:10 pm-2:59 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 2/23

4:59 pm-6:36 pm

Nonstop1h 37m

$164

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 2/23

7:15 am-9:07 am

Nonstop1h 52m

Washington, D.C. Reagan-National

Tue 2/24

3:40 pm-5:17 pm

Nonstop1h 37m

$165

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 3/9

4:00 pm-5:49 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 3/16

11:55 am-1:26 pm

Nonstop1h 31m

$166

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 3/13

7:35 am-9:34 am

Nonstop1h 59m

Washington, D.C. Reagan-National

Mon 3/23

10:00 pm-11:30 pm

Nonstop1h 30m

$167

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 2/19

9:45 pm-11:43 pm

Nonstop1h 58m

Washington, D.C. Reagan-National

Mon 2/23

10:05 pm-11:38 pm

Nonstop1h 33m

$168

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 3/19

3:30 pm-5:18 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Sat 3/21

7:00 pm-8:34 pm

Nonstop1h 34m

$169

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 2/27

11:10 am-12:59 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 2/28

7:00 am-8:30 am

Nonstop1h 30m

$170

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

The month of December is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Boston, with most prices found around $215. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $217.

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 $259. Flights from Boston to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $315. 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 at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $246. 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 $295.

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 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 $241 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 $174 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl to Washington, D.C. Reagan-National 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 January 2026, prices for Boston to Washington, D.C. Reagan-National Airport flights are approximately 0% 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

$128

Fastest flight time

1h 37m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Boston in the past 72 hours is $128. The best round-trip flight deal from Boston to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $190.
The fastest flight from Boston to Washington, D.C. Reagan-National Airport takes 1h 37m
Direct flights go from Boston to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • 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 37m.

  • 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
8,393 reviews
Search Spirit Airlines flights
DeltaPriceFrom $100Free CancellationRating
7.9
8,128 reviews
Search Delta flights
JetBluePriceFrom $117Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
United AirlinesPriceFrom $118Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,205 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 $241, with the best Delta deals starting from $100 round-trip. 8,128 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 2,892 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Boston to Washington, D.C. Reagan-National Airport about 23 times each week, with ticket deals ranging from $117 to $235. 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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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