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$74+ Cheap flights from Washington, D.C. (WAS) to Falmouth, MA, MA

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Falmouth are usually found in January or February, booked 30 days in advance, depart on a Thursday or Friday and return on a Friday

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

Keep the following information in mind while searching for Washington, D.C. to Falmouth flight deals. Data was last updated November 6, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$135
(Delta)

One-way from

$74
(Delta)

Popular in

October

Cheapest in

January

Average price

$197
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
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From Washington, D.C. (WAS) to Falmouth
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One-way flight from Washington, D.C. (WAS) to Falmouth
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Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Washington, D.C. to Falmouth

Cheapest flights from Washington, D.C. to Falmouth
Explore the most affordable flight options available from Washington, D.C. to Falmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/1210:00 pmDCA - BOS
Nonstop1h 40mDelta
Fri 1/96:05 amBOS - DCA
Nonstop2h 05mDelta
Deal found 11/5$135
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/510:06 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Mon 12/85:30 amBOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 11/5$135
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 11/192:59 pmDCA - BOS
Nonstop1h 40mDelta
Wed 11/199:59 pmBOS - DCA
Nonstop1h 56mDelta
Deal found 11/5$137
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/199:00 amIAD - BOS
Nonstop1h 38mUnited Airlines
Wed 11/197:38 pmBOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 11/5$137
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/36:00 amIAD - BOS
1 stop4h 56mUnited Airlines
Wed 12/37:07 pmBOS - IAD
Nonstop1h 47mUnited Airlines
Deal found 11/6$138
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/2610:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Tue 12/25:30 amBOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 11/5$139
This Delta deal was found by Cheapflights users on 11/5. 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 12/186:00 amDCA - BOS
Nonstop1h 43mDelta
Mon 1/59:40 pmBOS - DCA
Nonstop2h 01mDelta
Deal found 11/5$140
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/3010:17 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Thu 1/15:20 amBOS - IAD
Nonstop1h 46mUnited Airlines
Deal found 11/4$140
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/36:00 amIAD - BOS
1 stop4h 56mUnited Airlines
Fri 12/55:30 amBOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 11/6$141
This Delta deal was found by Cheapflights users on 11/4. 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 12/188:30 amDCA - BOS
Nonstop1h 48mDelta
Wed 12/247:05 amBOS - DCA
Nonstop2h 06mDelta
Deal found 11/4$142
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/1010:06 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Sat 12/135:30 amBOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 11/5$142
This Delta deal was found by Cheapflights users on 11/5. 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 12/46:00 amDCA - BOS
1 stop3h 52mDelta
Mon 12/86:30 pmBOS - DCA
1 stop4h 24mDelta
Deal found 11/5$143

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Falmouth 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 November 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Falmouth that are best for you.

Fly from

Washington, D.C.

Fly to

Falmouth

Route

Depart

Return

Price

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Fri 12/12

10:00 pm-11:40 pm

Nonstop1h 40m

Boston Logan Intl

Sat 1/10

11:55 am-1:53 pm

Nonstop1h 58m

$135

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 11/19

8:30 am-10:19 am

Nonstop1h 49m

Boston Logan Intl

Wed 11/19

9:59 pm-11:55 pm

Nonstop1h 56m

$137

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-10:58 am

1 stop4h 58m

Boston Logan Intl

Thu 12/11

5:30 am-7:14 am

Nonstop1h 44m

$138

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 12/3

6:00 am-10:56 am

1 stop4h 56m

Boston Logan Intl

Fri 12/5

5:30 am-7:14 am

Nonstop1h 44m

$141

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 12/10

9:36 am-4:03 pm

1 stop6h 27m

Boston Logan Intl

Sat 12/13

5:29 am-11:37 am

1 stop6h 08m

$143

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 12/13

4:15 pm-5:53 pm

Nonstop1h 38m

Boston Logan Intl

Wed 12/17

7:15 pm-9:03 pm

Nonstop1h 48m

$147

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 12/4

8:35 pm-10:11 pm

Nonstop1h 36m

Boston Logan Intl

Sun 12/7

10:00 am-11:45 am

Nonstop1h 45m

$147

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Fri 12/12

8:49 pm-10:25 pm

Nonstop1h 36m

Boston Logan Intl

Mon 12/15

4:15 pm-6:04 pm

Nonstop1h 49m

$147

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Fri 12/5

6:00 am-7:43 am

Nonstop1h 43m

Boston Logan Intl

Sun 12/7

10:55 am-12:51 pm

Nonstop1h 56m

$147

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 12/10

10:30 am-12:05 pm

Nonstop1h 35m

Boston Logan Intl

Fri 12/12

9:59 pm-11:58 pm

Nonstop1h 59m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Falmouth

Have a flexible travel schedule? Discover the best time to fly to Falmouth from Washington, D.C. 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 Washington, D.C. to Falmouth

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Falmouth. Price data was last updated on October 31, 2025.

The price you pay for your flight from Washington, D.C. to Falmouth may vary depending on when you book. For the best chance of a lower fare, look to book 30 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 Washington, D.C. to Falmouth?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Falmouth (average of $43). Flying from Washington, D.C. to Falmouth in September is currently the most expensive (average of $117). 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 WAS to FM5?

Find hourly flight availability from Washington, D.C. to Falmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Falmouth in the evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Falmouth. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Falmouth flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Falmouth. 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 November 6, 2025.

The most flights from WAS to FM5 are scheduled on a Thursday (87 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from Washington, D.C. to Falmouth?

Reviews of airlines servicing Falmouth

Get insights into the airlines that provide service to Falmouth. 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 Falmouth. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Falmouth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,907 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,122 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

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

    Delta, United Airlines, and JetBlue can get you from Washington, D.C. to Falmouth in just under 1h 38m. Your travel time can differ by up to 3h 20m. Washington, D.C. and Falmouth are separated by a distance of 398 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $74. Users have also found prices from $74 and $74 on JetBlue and United Airlines, respectively.

  • What are the most popular routes from Washington, D.C. to Falmouth?

    Most travelers choose Baltimore/Washington - Boston Logan Intl, Washington, D.C. Dulles Intl - Boston Logan Intl or Washington, D.C. Reagan-National - Boston Logan Intl when deciding on the best route from Washington, D.C. to Falmouth.

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

    Consider Egyptair (93%), Air China (89%) or Ethiopian Air (77%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Falmouth.

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

    The cheapest flight price from Washington, D.C. to Falmouth is $78. On average you can expect to pay $754. The most popular route, (Baltimore/Washington - Boston Logan Intl), can usually be booked for $119.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Falmouth 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 Washington, D.C. to Falmouth?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Falmouth (average of $43). Flying from Washington, D.C. to Falmouth in September is currently the most expensive (average of $117). 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

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Top 7 airlines flying from Washington, D.C. to Falmouth

Discover the top 7 airlines that operate flights from Washington, D.C. to Falmouth. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$120FlexibilityNo cancel feeOn-time65%
DeltaCheapest$78Average$237FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$97Average$247FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$308FlexibilityNo cancel feeOn-time69%
FrontierCheapest$143Average$258FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$147Average$356FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$161Average$287FlexibilityNo cancel feeOn-time63%

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