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Cheap flights from Boston to Washington, D.C. from £55

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or February, booked 74 days in advance, depart on a Friday or Wednesday and return on a Friday

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

Enter your travel dates to find the best prices.

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 December 2025.

Thu 25/1219:32BOS - IAD
1 stop3h 34mUnited Airlines
Mon 26/109:00IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 21/12£147
Wed 31/1216:05BOS - DCA
Nonstop1h 53mJetBlue
Sat 17/120:50DCA - BOS
Nonstop1h 35mJetBlue
Deal found 21/12£150
Wed 31/1207:00BOS - DCA
1 stop6h 11mDelta
Sat 17/114:25DCA - BOS
Nonstop1h 42mDelta
Deal found 21/12£158
Thu 25/1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Thu 15/109:00IAD - BOS
Nonstop1h 36mUnited Airlines
Deal found 21/12£162
Wed 31/1207:00BOS - DCA
1 stop6h 11mDelta
Fri 16/106:00DCA - BOS
Nonstop1h 41mDelta
Deal found 21/12£165
Wed 31/1219:44BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 4/122:17IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 21/12£166
Thu 25/1219:32BOS - IAD
1 stop3h 34mUnited Airlines
Mon 29/1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 22/12£180
Wed 31/1216:28BOS - IAD
1 stop4h 26mUnited Airlines
Sat 3/122:17IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 20/12£182
Thu 25/1210:25BOS - DCA
1 stop5h 04mUnited Airlines
Mon 29/1216:26DCA - BOS
1 stop6h 22mUnited Airlines
Deal found 20/12£188
Tue 30/1219:44BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 4/122:17IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 22/12£191
Mon 29/1212:10BOS - DCA
Nonstop1h 50mJetBlue
Thu 1/111:20DCA - BOS
Nonstop1h 30mJetBlue
Deal found 22/12£191
Thu 25/1205:20BOS - IAD
Nonstop1h 46mUnited Airlines
Sun 28/1222:17IAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 20/12£193

Find 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 December 2025.

Round-trip from

£109

One-way from

£55

Popular in

November

Cheapest in

January

Average price

£154

Good round-trip deal

£165 or less

Good one-way deal

£110 or less
United Airlines
  • United Airlines
  • 10/1-10/1
  • Nonstop
  • 3h 23m total
  • Boston to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 21/1
  • Nonstop
  • 1h 46m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 December 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 - DCA

BOSDCA

Boston Logan Intl

Sat 7/2

20:00-21:51

Nonstop1h 51m

Washington, D.C. Reagan-National

Tue 10/2

07:00-08:31

Nonstop1h 31m

£109

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 14/1

09:30-11:16

Nonstop1h 46m

Washington, D.C. Dulles Intl

Fri 16/1

22:12-23:49

Nonstop1h 37m

£117

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 17/1

09:30-11:16

Nonstop1h 46m

Washington, D.C. Dulles Intl

Mon 19/1

09:00-10:36

Nonstop1h 36m

£117

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 20/1

08:00-09:51

Nonstop1h 51m

Washington, D.C. Reagan-National

Sun 25/1

20:55-22:30

Nonstop1h 35m

£117

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 9/2

09:30-11:16

Nonstop1h 46m

Washington, D.C. Dulles Intl

Tue 10/2

17:20-18:57

Nonstop1h 37m

£117

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 19/1

08:00-09:51

Nonstop1h 51m

Washington, D.C. Reagan-National

Wed 21/1

15:25-17:00

Nonstop1h 35m

£117

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 11/1

09:30-11:16

Nonstop1h 46m

Washington, D.C. Dulles Intl

Wed 14/1

12:40-14:17

Nonstop1h 37m

£117

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 23/1

12:40-14:29

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 31/1

12:20-13:51

Nonstop1h 31m

£117

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 10/1

07:35-09:39

Nonstop2h 04m

Washington, D.C. Reagan-National

Sun 11/1

08:20-10:01

Nonstop1h 41m

£118

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 30/5

07:30-09:26

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 31/5

07:00-08:43

Nonstop1h 43m

£124

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 44 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 19 December 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 74 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 October is currently the most expensive (average of £102). 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 December 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 56% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Boston to Washington, D.C.?

Use this chart to determine the cheapest time to fly return from Boston to Washington, D.C.. Price data was last updated on 20 December 2025.

Travellers seeking maximum savings on their Boston to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 2025.

The most flights from BOS to WAS are scheduled on a Monday (58 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (24 on average).

How often are flights from Boston to Washington, D.C. delayed?

About 18% of weekly flights between Boston and Washington, D.C. have experienced delays in the past year, with the average delay time being 129 minutes.

What is the most punctual flight time for Boston to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Washington, D.C. flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 22 December 2025.
Read reviews from past customers who have flown with JetBlue from Boston to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,898 reviews
Check prices

Entertainment

7.2

Food

6.7

Comfort

7.6

Boarding

7.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!
JetBlue
7.2
Good
2,898 reviews
JetBlue
7.2
Good
2,898 reviews
Check prices

Entertainment

7.2

Food

6.7

Comfort

7.6

Boarding

7.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!

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 45 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 46m. Fly via JetBlue or United Airlines 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 most reliable airlines from Boston to Washington, D.C.?

    The top 3 most reliable airlines when flying from Boston to Washington, D.C. are Air China (100%), Egyptair (96%) and ANA (95%).

  • What are the cheapest flights from Boston to Washington, D.C.?

    Looking for the cheapest flight from Boston to Washington, D.C.? While on average our users pay £255, our data indicates the cheapest price to be £114. The most popular route (Boston Logan Intl - Washington, D.C. Reagan-National), is priced around £262.

  • 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 October is currently the most expensive (average of £102). 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

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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 Reagan-National flights
Boston to Dulles Intl flights

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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.

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