HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$79+ Cheap flights from Boston (BOS) to District of Columbia

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to District of Columbia

Keep the following information in mind while searching for Boston to District of Columbia flight deals. Data was last updated April 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$137
(United Airlines)

One-way from

$79
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$239

Good round-trip deal

$201 or less

Good one-way deal

$107 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Boston Logan Intl to District of Columbia
Search Deals
One-way flight from Boston Logan Intl to District of Columbia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to District of Columbia.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to District of Columbia.
Search Deals

Find flight deals from Boston to District of Columbia

Cheapest flights from Boston to District of Columbia
Explore the most affordable flight options available from Boston to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:30 amBOS - IAD
Nonstop1h 41mUnited Airlines
Tue 5/274:00 pmIAD - BOS
Nonstop1h 41mUnited Airlines
Deal found 4/29$137
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:05 pmBOS - DCA
Nonstop1h 49mDelta
Mon 6/26:00 amDCA - BOS
Nonstop1h 40mDelta
Deal found 4/29$137
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:59 amBOS - DCA
Nonstop1h 45mAmerican Airlines
Mon 6/23:50 pmDCA - BOS
Nonstop1h 35mAmerican Airlines
Deal found 4/29$138
This JetBlue deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:19 amBOS - DCA
Nonstop1h 41mJetBlue
Wed 6/411:45 amDCA - BOS
Nonstop1h 32mJetBlue
Deal found 4/28$157
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:00 amBOS - DCA
1 stop4h 25mUnited Airlines
Sun 5/2511:11 amDCA - BOS
1 stop4h 14mUnited Airlines
Deal found 4/28$169
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:00 amBOS - IAD
1 stop10h 36mFrontier
Sun 5/185:26 pmIAD - BOS
1 stop7h 39mFrontier
Deal found 4/29$180
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:31 amBOS - IAD
1 stop8h 01mMultiple Airlines
Sun 6/111:54 amIAD - BOS
1 stop21h 41mMultiple Airlines
Deal found 4/29$181
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:31 amBOS - IAD
1 stop8h 01mAllegiant Air
Mon 6/23:13 pmIAD - BOS
1 stop18h 01mAllegiant Air
Deal found 4/29$184
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:05 amBOS - IAD
1 stop5h 35mDelta
Tue 6/31:00 pmIAD - BOS
1 stop6h 45mDelta
Deal found 4/29$247
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:36 pmBOS - IAD
1 stop5h 26mAmerican Airlines
Sun 5/255:02 amIAD - BOS
1 stop4h 18mAmerican Airlines
Deal found 4/29$253
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:35 amBOS - DCA
2 stops7h 05mSouthwest
Wed 6/41:10 pmDCA - BOS
2 stops8h 35mSouthwest
Deal found 4/28$313

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to District of Columbia 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 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Boston to District of Columbia that are best for you.

Fly from

Boston

Fly to

District of Columbia

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 5/21

5:30 am-7:11 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 5/27

4:00 pm-5:41 pm

Nonstop1h 41m

$137

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/29

1:05 pm-2:54 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 6/2

6:00 am-7:40 am

Nonstop1h 40m

$137

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/29

5:59 am-7:44 am

Nonstop1h 45m

Washington, D.C. Reagan-National

Mon 6/2

3:50 pm-5:25 pm

Nonstop1h 35m

$138

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/29

11:20 am-1:00 pm

Nonstop1h 40m

Washington, D.C. Reagan-National

Mon 6/2

4:15 pm-5:52 pm

Nonstop1h 37m

$157

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 6/9

8:00 am-2:24 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Tue 6/10

6:00 am-10:23 am

1 stop4h 23m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 5/16

6:00 am-4:36 pm

1 stop10h 36m

Washington, D.C. Dulles Intl

Sun 5/18

5:26 pm-1:05 am

1 stop7h 39m

$180

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/29

11:31 am-7:32 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Sun 6/1

11:54 am-9:35 am

1 stop21h 41m

$181

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/29

11:31 am-7:32 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Mon 6/2

3:13 pm-9:14 am

1 stop18h 01m

$184

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 5/31

6:05 am-11:40 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Tue 6/3

1:00 pm-7:45 pm

1 stop6h 45m

$247

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 5/24

6:36 pm-12:02 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Sun 5/25

5:02 am-9:20 am

1 stop4h 18m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Boston to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Boston with our price prediction graph.
Estimated round-trip 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 District of Columbia

What is the cheapest month to book a flight from Boston to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Boston to District of Columbia (average of $309). Flying from Boston to District of Columbia in June is currently the most expensive (average of $373). 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 DC?

Find hourly flight availability from Boston to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Boston to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to District of Columbia

Explore weekly flight availability from Boston to District of Columbia. 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 April 29, 2025.

The most flights from BOS to USDC are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated April 29, 2025.
To help decide which airline to fly from Boston to District of Columbia, see what other customers have to say about Southwest, Delta and United Airlines. 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.
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,936 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Boston to District of Columbia. 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 District of Columbia?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to District of Columbia from Boston.

  • What are the cheapest airlines to fly from Boston to District of Columbia one-way?

    $79 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Allegiant Air, with prices starting from $79 and $82, respectively.

  • What are the most reliable airlines from Boston to District of Columbia?

    No one likes to see their flight delayed. When booking a flight from Boston to District of Columbia consider choosing Egyptair (100%), Air China (100%) or Ethiopian Air (98%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to District of Columbia?

    While on average a flight from Boston to District of Columbia is generally $926, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Boston Logan Intl - Washington, D.C. Reagan-National), you can expect to pay $137 for that flight.

  • Can I find deals for flights from Boston to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Boston to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to District of Columbia?

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

  • Can I find deals for business class flights from Boston to District of Columbia?

    Yes. Cheapflights offers flight deals from Boston to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Boston to District of Columbia (average of $309). Flying from Boston to District of Columbia in June is currently the most expensive (average of $373). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Los Angeles flights
Boston to Las Vegas flights
Boston to O'Hare Intl flights
Boston to Miami flights
Boston to Orlando flights
Boston to Seattle flights
Boston to Reagan-National flights
Boston to San Francisco flights
Boston to Dallas/Fort Worth flights
Boston to Baltimore flights
Boston to Dulles Intl flights
Boston to Fort Lauderdale flights
Boston to Newark flights
Boston to Denver flights
Boston to Tampa flights
Boston to John F Kennedy Intl flights
Boston to LaGuardia flights
Boston to Nashville flights
Boston to Charlotte flights
Boston to Sky Harbor Intl flights
Boston to Hobby flights
Boston to Philadelphia flights
Boston to Atlanta flights
Hartford to O'Hare Intl flights
Hartford to Orlando flights
Boston to George Bush Intcntl flights
Boston to Austin flights
Boston to Charleston flights
Hartford to Denver flights
Boston to Jacksonville flights
Boston to Salt Lake City flights
Boston to San Diego flights
Boston to Fort Myers flights
Boston to Midway flights
Boston to Minneapolis flights
Boston to Pittsburgh flights
Boston to Portland flights
Boston to Detroit flights
Boston to Cincinnati flights
Hartford to Las Vegas flights
Boston to Raleigh flights
Boston to New Orleans flights
Boston to Savannah flights
Boston to West Palm Beach flights
Boston to Columbus flights
Boston to Indianapolis flights
Boston to Richmond flights
Boston to Honolulu flights
Hartford to Tampa flights
Boston to Myrtle Beach flights

Top 6 airlines flying from Boston to District of Columbia

Discover the top 6 airlines that operate flights from Boston to District of Columbia. 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$103FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$246FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$139Average$246FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$147Average$262FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$177Average$274FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.