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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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
26 Feb — 5 Mar1
1 adult

The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or August, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 21 February 2025.

Round-trip from

£88

One-way from

£55

Popular in

April

Cheapest in

January

Average price

£163

Good round-trip deal

£73 or less

Good one-way deal

£58 or less
JetBlue
  • JetBlue
  • 5/3-5/3
  • Nonstop
  • 3h 19m total
  • Boston to Washington, D.C.
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United Airlines
  • United Airlines
  • 29/3
  • Nonstop
  • 1h 45m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).
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Find flight deals from Boston to Washington, D.C.

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 21 February 2025.

Thu 27/207:10BOS - DCA
Nonstop1h 44mJetBlue
Thu 27/212:29DCA - BOS
Nonstop1h 31mJetBlue
Deal found 20/2£88
Thu 20/306:05BOS - DCA
Nonstop1h 55mDelta
Mon 24/322:00DCA - BOS
Nonstop1h 39mDelta
Deal found 20/2£93
Wed 19/305:30BOS - IAD
Nonstop1h 44mUnited Airlines
Thu 20/308:50IAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 20/2£93
Thu 3/407:00BOS - DCA
Nonstop1h 59mAmerican Airlines
Mon 7/422:10DCA - BOS
Nonstop1h 34mAmerican Airlines
Deal found 20/2£93
Thu 3/412:40BOS - IAD
1 stop7h 48mFrontier
Mon 7/417:54IAD - BOS
1 stop6h 53mFrontier
Deal found 20/2£103
Mon 24/310:33BOS - DCA
1 stop5h 52mUnited Airlines
Thu 27/307:00DCA - BOS
1 stop3h 59mUnited Airlines
Deal found 20/2£125
Fri 28/206:00BOS - IAD
1 stop5h 25mDelta
Sat 1/312:05IAD - BOS
1 stop5h 44mDelta
Deal found 20/2£204
Sun 23/307:48BOS - IAD
1 stop5h 34mAmerican Airlines
Fri 28/317:28IAD - BOS
1 stop5h 08mAmerican Airlines
Deal found 20/2£223
Tue 11/312:30BOS - DCA
1 stop8h 00mSouthwest
Mon 17/319:25DCA - BOS
1 stop5h 35mSouthwest
Deal found 20/2£235

Find flights from Boston to Washington, D.C. within your budget

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 21 February 2025.

Fly from

Boston

Fly to

Washington, D.C.

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 5/3

16:00-17:45

Nonstop1h 45m

Washington, D.C. Reagan-National

Wed 5/3

20:55-22:29

Nonstop1h 34m

£88

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 20/3

06:05-08:00

Nonstop1h 55m

Washington, D.C. Reagan-National

Mon 24/3

22:00-23:39

Nonstop1h 39m

£93

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 19/3

05:30-07:14

Nonstop1h 44m

Washington, D.C. Dulles Intl

Thu 20/3

08:50-10:25

Nonstop1h 35m

£93

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 3/4

07:00-08:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Mon 7/4

22:10-23:44

Nonstop1h 34m

£93

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 3/4

12:40-20:28

1 stop7h 48m

Washington, D.C. Dulles Intl

Mon 7/4

17:54-00:47

1 stop6h 53m

£103

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 24/3

10:33-16:25

1 stop5h 52m

Washington, D.C. Reagan-National

Thu 27/3

07:00-10:59

1 stop3h 59m

£125

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 13/3

17:10-23:00

1 stop5h 50m

Washington, D.C. Dulles Intl

Mon 17/3

17:22-23:51

1 stop6h 29m

£202

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 23/3

07:48-13:22

1 stop5h 34m

Washington, D.C. Dulles Intl

Fri 28/3

17:28-22:36

1 stop5h 08m

£223

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 11/3

12:30-20:30

1 stop8h 00m

Washington, D.C. Reagan-National

Mon 17/3

19:25-01:00

1 stop5h 35m

£235

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 29/3

09:25-11:10

Nonstop1h 45m

£55

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 22 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.

Travel insights for flights from Boston to Washington, D.C.

Get recent, data-driven insights about flights from Boston to Washington, D.C. including ideal travel times, pricing trends, and more.

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 14 February 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 68 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 £599). Flying from Boston to Washington, D.C. in July is currently the most expensive (average of £947). 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 21 February 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.

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 16 February 2025.

Travellers seeking maximum savings on their Boston to Washington, D.C. flight should consider departing on Thursday at midday when fares are most often at their lowest. Saturday evenings 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 21 February 2025.

The most flights from BOS to WAS are scheduled on a Thursday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 21 February 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Boston to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very Good
4,401 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very Good
9,697 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very Good
8,213 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,069 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,759 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.. 2 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 56 outbound flights to Washington, D.C. per day.

  • What are the cheapest airlines flying from Boston to Washington, D.C. round-trip?

    According to our current data, JetBlue (£88), Delta (£93), and United Airlines (£93) offers the cheapest pricing from Boston to Washington, D.C.. Users have found that JetBlue is 43% cheaper than the other options available to this destination.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £55. Users have also found prices from £55 and £59 on Delta and JetBlue, 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 (96%), Air China (94%) and ANA (92%).

  • 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 £166, our data indicates the cheapest price to be £111. The most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl), is priced around £142.

  • 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 £599). Flying from Boston to Washington, D.C. in July is currently the most expensive (average of £947). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
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 Dulles Intl flights
Boston to Reagan-National flights

Top 2 airlines flying from Boston to Washington, D.C.

Discover the top 2 airlines that operate flights from Boston to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£46Average£79FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapest£109Average£200FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

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

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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.

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