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Cheap flights from Boston to Washington, D.C. from £57

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or March, booked 35 days in advance, depart on a Wednesday or Friday and return on a Saturday

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Cheapest flights from Boston to Washington, D.C.
Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Tue 18/1107:35BOS - DCA
Nonstop2h 05mDelta
Thu 20/1108:30DCA - BOS
Nonstop1h 49mDelta
Deal found 21/10£108
Sat 22/1106:40BOS - DCA
Nonstop1h 46mJetBlue
Thu 27/1113:55DCA - BOS
Nonstop1h 33mJetBlue
Deal found 20/10£108
Wed 19/1109:30BOS - IAD
Nonstop1h 43mUnited Airlines
Sat 22/1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 21/10£109
Wed 12/1109:30BOS - IAD
Nonstop1h 43mUnited Airlines
Thu 13/1109:00IAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 21/10£110
Wed 5/1114:15BOS - DCA
Nonstop1h 50mDelta
Mon 10/1106:59DCA - BOS
Nonstop1h 43mDelta
Deal found 21/10£110
Tue 11/1109:30BOS - IAD
Nonstop1h 43mUnited Airlines
Tue 11/1112:51IAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 20/10£111
Sat 13/1205:30BOS - IAD
Nonstop1h 44mUnited Airlines
Tue 16/1206:00IAD - BOS
1 stop4h 58mUnited Airlines
Deal found 21/10£111
Fri 31/1018:25BOS - IAD
1 stop4h 33mUnited Airlines
Mon 3/1122:07IAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 21/10£112
Sat 22/1119:15BOS - DCA
Nonstop1h 48mJetBlue
Tue 2/1217:59DCA - BOS
Nonstop1h 37mJetBlue
Deal found 20/10£112
Tue 4/1107:30BOS - DCA
1 stop5h 04mUnited Airlines
Tue 4/1115:10DCA - BOS
1 stop6h 24mUnited Airlines
Deal found 21/10£113
Thu 6/1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Thu 6/1109:00IAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 21/10£114
Wed 17/1215:00BOS - DCA
Nonstop2h 05mDelta
Fri 19/1206:59DCA - BOS
Nonstop1h 43mDelta
Deal found 21/10£114

Cheap flight deals from Boston to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2025.

Round-trip from

£108

One-way from

£57

Popular in

October

Cheapest in

January

Average price

£173

Good round-trip deal

£141 or less

Good one-way deal

£129 or less
Delta
  • Delta
  • 18/11-20/11
  • Nonstop
  • 3h 54m total
  • Boston to Washington, D.C.
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Delta
  • Delta
  • 20/11
  • Nonstop
  • 1h 56m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Washington, D.C. 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, Cheapflights users made 858,174 searches. Data last updated 22 October 2025.
Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Boston

Fly to

Washington, D.C.

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 3/12

09:30-11:14

Nonstop1h 44m

Washington, D.C. Dulles Intl

Fri 5/12

06:00-10:58

1 stop4h 58m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 24/11

12:35-14:35

Nonstop2h 00m

Washington, D.C. Reagan-National

Tue 2/12

13:15-15:02

Nonstop1h 47m

£110

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 5/12

09:30-11:14

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 7/12

22:06-23:41

Nonstop1h 35m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 24/11

06:00-08:04

Nonstop2h 04m

Washington, D.C. Reagan-National

Wed 3/12

14:55-16:40

Nonstop1h 45m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 12/12

07:35-09:39

Nonstop2h 04m

Washington, D.C. Reagan-National

Sun 14/12

18:45-20:37

Nonstop1h 52m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 4/12

06:00-08:05

Nonstop2h 05m

Washington, D.C. Reagan-National

Thu 4/12

12:15-13:57

Nonstop1h 42m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 5/11

15:15-17:10

Nonstop1h 55m

Washington, D.C. Reagan-National

Thu 6/11

06:00-07:43

Nonstop1h 43m

£110

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 5/1

16:05-17:58

Nonstop1h 53m

Washington, D.C. Reagan-National

Sat 10/1

09:00-10:34

Nonstop1h 34m

£114

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 20/11

06:00-08:04

Nonstop2h 04m

Washington, D.C. Reagan-National

Mon 24/11

22:00-23:42

Nonstop1h 42m

£115

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sun 16/11

06:10-07:56

Nonstop1h 46m

Washington, D.C. Reagan-National

Mon 17/11

20:50-22:26

Nonstop1h 36m

£117

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 45 results
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Best time to book a flight from Boston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Washington, D.C.

How far ahead should I book a flight from Boston to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Boston to Washington, D.C.. Price data was last updated on 17 October 2025.

The price you pay for your flight from Boston to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £28). Flying from Boston to Washington, D.C. in September is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to WAS?

Find hourly flight availability from Boston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 62% on your trip compared to booking a flight at midday.

Weekly flight availability from Boston to Washington, D.C.

Explore weekly flight availability from Boston to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 October 2025.

The most flights from BOS to WAS are scheduled on a Tuesday (80 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

Related info for your journey

Find useful and relevant information for your journey from Boston to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Washington, D.C.?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Washington, D.C.. 0 airlines have flights from Logan Intl to Washington, D.C. on a regular basis. Booking flights from Boston Logan Intl to Washington, D.C. should not be difficult; the airport handles an average of 58 outbound flights to Washington, D.C. per day.

  • How long is the flight from Boston to Washington, D.C.?

    There are many flights that can get you from Boston to Washington, D.C. in 1h 44m. Fly via United Airlines, Delta, or JetBlue to get the fastest option. There are 411 mi between Boston and Washington, D.C.. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from Boston to Washington, D.C. one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £57. Users have also found prices from £59 and £59 on United Airlines and Delta, respectively.

  • What are the most reliable airlines from Boston to Washington, D.C.?

    The top 3 most reliable airlines when flying from Boston to Washington, D.C. are Egyptair (100%), Ethiopian Air (100%) and Air China (94%).

  • Can I find deals for flights from Boston to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Boston to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Washington, D.C..

  • Can I find deals for business class flights from Boston to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Boston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £28). Flying from Boston to Washington, D.C. in September is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park
Tysons

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Dulles Intl flights
Boston to Reagan-National flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Washington, D.C.?

Cheapflights makes it easy to find Boston to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Boston.

Can Cheapflights find flights from Boston to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Boston to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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