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Cheap flights from Boston to Washington, D.C. from $74

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 12/9. 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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JetBlue Logo
4:14 pm - 6:04 pmBOS-DCA
1h 50mnonstop
JetBlue Logo
8:50 pm - 10:26 pmDCA-BOS
1h 36mnonstop
$150JetBlue
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
6:00 am - 9:58 amBOS-DCA
3h 58m1 stop
United Airlines Logo
11:03 am - 4:22 pmDCA-BOS
5h 19m1 stop
$151United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 22
Delta Logo
12:35 pm - 2:36 pmBOS-DCA
2h 01mnonstop
Delta Logo
10:00 pm - 11:40 pmDCA-BOS
1h 40mnonstop
$152Delta
Find Deal
Wed, Dec 17 - Fri, Dec 19
JetBlue Logo
3:41 pm - 10:59 pmBOS-DCA
7h 18m1 stop
JetBlue Logo
8:35 pm - 10:11 pmDCA-BOS
1h 36mnonstop
$153JetBlue
Find Deal
Thu, Nov 20 - Mon, Nov 24
JetBlue Logo
3:37 pm - 10:59 pmBOS-DCA
7h 22m1 stop
JetBlue Logo
5:00 pm - 6:38 pmDCA-BOS
1h 38mnonstop
$155JetBlue
Find Deal
Tue, Nov 18 - Thu, Nov 27
JetBlue Logo
6:10 am - 7:56 amBOS-DCA
1h 46mnonstop
JetBlue Logo
6:59 pm - 8:33 pmDCA-BOS
1h 34mnonstop
$156JetBlue
Find Deal
Thu, Nov 6 - Mon, Nov 10
JetBlue Logo
6:10 am - 7:56 amBOS-DCA
1h 46mnonstop
JetBlue Logo
8:00 pm - 9:35 pmDCA-BOS
1h 35mnonstop
$157JetBlue
Find Deal
Thu, Nov 6 - Sat, Nov 8
American Airlines Logo
6:00 am - 7:44 amBOS-DCA
1h 44mnonstop
American Airlines Logo
7:00 am - 8:48 amDCA-BOS
1h 48mnonstop
$168American Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
9:35 pm - 11:33 pmBOS-DCA
1h 58mnonstop
Delta Logo
6:00 am - 7:40 amDCA-BOS
1h 40mnonstop
$172Delta
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Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
6:00 am - 7:50 amBOS-DCA
1h 50mnonstop
American Airlines Logo
10:05 am - 3:39 pmDCA-BOS
5h 34m1 stop
$176American Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 11

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

Our best American Airlines deals on Boston to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Nov 14
BOS6:00 amBoston Logan Intl
1h 44m
DCA7:44 amWashington, D.C. Reagan-National
Nov 16
DCA7:00 amWashington, D.C. Reagan-National
1h 48m
BOS8:48 amBoston Logan Intl
$168
Find similar
American Airlines
Feb 11
BOS6:00 amBoston Logan Intl
1h 50m
DCA7:50 amWashington, D.C. Reagan-National
Feb 11
DCA10:05 amWashington, D.C. Reagan-National
5h 34m
1 stop
BOS3:39 pmBoston Logan Intl
$176
Find similar
American Airlines
Oct 16
BOS8:18 amBoston Logan Intl
1h 47m
DCA10:05 amWashington, D.C. Reagan-National
Oct 18
DCA3:10 pmWashington, D.C. Reagan-National
1h 38m
BOS4:48 pmBoston Logan Intl
$187
Find similar

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

Our best United Airlines deals on Boston to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Oct 22
BOS6:00 amBoston Logan Intl
3h 58m
1 stop
DCA9:58 amWashington, D.C. Reagan-National
Oct 22
DCA11:03 amWashington, D.C. Reagan-National
5h 19m
1 stop
BOS4:22 pmBoston Logan Intl
$151
Find similar
United Airlines
Dec 17
BOS6:00 amBoston Logan Intl
4h 29m
1 stop
DCA10:29 amWashington, D.C. Reagan-National
Jan 18
DCA7:00 amWashington, D.C. Reagan-National
4h 12m
1 stop
BOS11:12 amBoston Logan Intl
$162
Find similar
United Airlines
Nov 14
BOS6:00 amBoston Logan Intl
4h 29m
1 stop
DCA10:29 amWashington, D.C. Reagan-National
Nov 18
DCA2:00 pmWashington, D.C. Reagan-National
3h 22m
1 stop
BOS5:22 pmBoston Logan Intl
$167
Find similar

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 October 9, 2025.
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 10/30

4:14 pm-6:04 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Mon 11/3

8:50 pm-10:26 pm

Nonstop1h 36m

$150

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 10/22

6:00 am-9:58 am

1 stop3h 58m

Washington, D.C. Reagan-National

Wed 10/22

11:03 am-4:22 pm

1 stop5h 19m

$151

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 12/17

12:35 pm-2:36 pm

Nonstop2h 01m

Washington, D.C. Reagan-National

Fri 12/19

10:00 pm-11:40 pm

Nonstop1h 40m

$152

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 11/20

3:41 pm-10:59 pm

1 stop7h 18m

Washington, D.C. Reagan-National

Mon 11/24

8:35 pm-10:11 pm

Nonstop1h 36m

$153

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 11/18

3:37 pm-10:59 pm

1 stop7h 22m

Washington, D.C. Reagan-National

Thu 11/27

5:00 pm-6:38 pm

Nonstop1h 38m

$155

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 11/6

6:10 am-7:56 am

Nonstop1h 46m

Washington, D.C. Reagan-National

Mon 11/10

6:59 pm-8:33 pm

Nonstop1h 34m

$156

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 11/6

6:10 am-7:56 am

Nonstop1h 46m

Washington, D.C. Reagan-National

Sat 11/8

8:00 pm-9:35 pm

Nonstop1h 35m

$157

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 11/14

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 11/16

7:00 am-8:48 am

Nonstop1h 48m

$168

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 3/6

9:35 pm-11:33 pm

Nonstop1h 58m

Washington, D.C. Reagan-National

Mon 3/9

6:00 am-7:40 am

Nonstop1h 40m

$172

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 2/11

6:00 am-7:50 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Wed 2/11

10:05 am-3:39 pm

1 stop5h 34m

$176

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 January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Boston, with most prices found around $201. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in February 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 $252. Flights from Boston to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $318. 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 $249. 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 $280.

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 $240 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 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 October 2025, prices for Boston to Washington, D.C. Reagan-National Airport flights are approximately 39% 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

$116

Fastest flight time

1h 43m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Boston in the past 72 hours is $116. The best round-trip flight deal from Boston to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $187.
The fastest flight from Boston to Washington, D.C. Reagan-National Airport takes 1h 43m
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 44m.

  • 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 $54Free CancellationRating
6.3
8,088 reviews
Search Spirit Airlines flights
DeltaPriceFrom $113Free CancellationRating
7.9
7,969 reviews
Search Delta flights
JetBluePriceFrom $128Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights

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

    Across 41 Delta flights from Boston to Washington, D.C. Reagan-National Airport this week, the average price was $245, with the best Delta deals starting from $113 round-trip. 7,969 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 2,908 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Boston to Washington, D.C. Reagan-National Airport about 22 times each week, with ticket deals ranging from $128 to $238. 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
Glen Burnie
Linthicum Heights
Springfield

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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