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Cheap flights from Boston to Washington, D.C. from £67

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in September or May, booked 86 days in advance, depart on a Friday or Tuesday and return on a Thursday

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 23 March 2026.

Fri 29/505:45
BOS
-
IAD
Nonstop1h 38m
United Airlines
Tue 2/608:35
IAD
-
BOS
Nonstop1h 45m
United Airlines
Deal found 19/3£127
Sat 9/519:10
BOS
-
IAD
1 stop4h 15m
United Airlines
Tue 12/508:35
IAD
-
BOS
Nonstop1h 43m
United Airlines
Deal found 18/3£128
Wed 8/411:17
BOS
-
IAD
1 stop5h 13m
United Airlines
Wed 15/408:22
IAD
-
BOS
Nonstop1h 42m
United Airlines
Deal found 19/3£130
Wed 10/613:15
BOS
-
DCA
Nonstop1h 52m
Delta
Mon 15/621:59
DCA
-
BOS
Nonstop1h 39m
Delta
Deal found 20/3£130
Wed 15/409:30
BOS
-
IAD
Nonstop1h 43m
United Airlines
Mon 20/422:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 19/3£131
Tue 5/505:45
BOS
-
IAD
Nonstop1h 39m
United Airlines
Thu 7/522:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 20/3£133
Thu 16/406:05
BOS
-
DCA
Nonstop2h 00m
Delta
Fri 17/412:59
DCA
-
BOS
Nonstop1h 43m
Delta
Deal found 20/3£133
Thu 16/406:20
BOS
-
DCA
Nonstop1h 39m
JetBlue
Sun 19/407:00
DCA
-
BOS
Nonstop1h 34m
JetBlue
Deal found 18/3£133
Thu 16/406:05
BOS
-
DCA
Nonstop2h 00m
Delta
Sun 19/407:00
DCA
-
BOS
Nonstop1h 43m
Delta
Deal found 18/3£134
Thu 9/405:45
BOS
-
IAD
Nonstop1h 40m
United Airlines
Sun 12/422:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 18/3£138
Mon 13/418:25
BOS
-
IAD
1 stop5h 00m
United Airlines
Thu 16/422:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 20/3£140
Thu 9/406:05
BOS
-
DCA
Nonstop1h 55m
Delta
Sun 19/422:00
DCA
-
BOS
Nonstop1h 39m
Delta
Deal found 22/3£140

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 23 March 2026.

Round-trip from

£127

One-way from

£67

Popular in

November

Cheapest in

September

Average price

£172

Good round-trip deal

£128 or less

Good one-way deal

£123 or less
United Airlines
  • United Airlines
  • 29/5-2/6
  • Nonstop
  • 3h 23m total
  • Boston to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 22/4
  • Nonstop
  • 1h 40m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£7 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 March 2026
Search Deals
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).
Search Deals

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 23 March 2026.
Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 30/4

07:25-09:23

Nonstop1h 58m

Washington, D.C. Reagan-National

Mon 4/5

06:59-08:44

Nonstop1h 45m

£133

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 1/5

21:50-23:40

Nonstop1h 50m

Washington, D.C. Reagan-National

Mon 4/5

06:59-08:44

Nonstop1h 45m

£133

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 16/4

07:25-09:23

Nonstop1h 58m

Washington, D.C. Reagan-National

Fri 17/4

12:59-14:42

Nonstop1h 43m

£133

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 2/5

15:32-21:11

1 stop5h 39m

Washington, D.C. Dulles Intl

Tue 5/5

08:20-13:51

1 stop5h 31m

£148

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 8/6

09:30-14:23

1 stop4h 53m

Washington, D.C. Reagan-National

Tue 9/6

11:00-16:38

1 stop5h 38m

£148

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 15/4

09:30-11:13

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 19/4

06:00-10:15

1 stop4h 15m

£155

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 29/5

06:00-12:23

1 stop6h 23m

Washington, D.C. Reagan-National

Sat 30/5

13:00-19:28

1 stop6h 28m

£157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 4/4

05:45-07:25

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 6/4

08:23-13:29

1 stop5h 06m

£158

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 2/5

15:10-17:05

Nonstop1h 55m

Washington, D.C. Reagan-National

Sat 9/5

06:09-11:10

1 stop5h 01m

£163

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 29/5

06:00-12:48

1 stop6h 48m

Washington, D.C. Reagan-National

Sun 31/5

06:00-07:40

Nonstop1h 40m

£163

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 45 resultsSorted by cheapest first
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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 13 March 2026.

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 86 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, April is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £36). Flying from Boston to Washington, D.C. in October is currently the most expensive (average of £103). 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 23 March 2026.

A simple way to save on the total cost of your ticket is to fly from Boston to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 46% 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 14 March 2026.

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 23 March 2026.

The most flights from BOS to WAS are scheduled on a Sunday (79 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 on average).

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

About 19% of weekly flights between Boston and Washington, D.C. have experienced delays in the past year, with the average delay time being 130 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 Sunday 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 18% 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 23 March 2026.
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
2,908 reviews
Check prices

Crew

8.0

Comfort

7.5

Boarding

7.4

Entertainment

7.2

Food

6.6

Overall

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.
JetBlue
7.2
Good
2,908 reviews
JetBlue
7.2
Good
2,908 reviews
Check prices

Crew

8.0

Comfort

7.5

Boarding

7.4

Entertainment

7.2

Food

6.6

Overall

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

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 62 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 58m. Fly via Delta or United Airlines to get the fastest option. There are 398 mi between Boston and Washington, D.C.. Both multi-stop and direct flights can be found to your destination and back.

  • 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 United Airlines (86%), Ethiopian Air (86%) and ANA (85%).

  • 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, April is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £36). Flying from Boston to Washington, D.C. in October is currently the most expensive (average of £103). 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
Gaithersburg
Woodbridge
Arlington
Alexandria

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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

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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