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$76+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
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 September 5, 2025.

Round-trip from

$124
(Kiwi.com)

One-way from

$76
(Delta)

Popular in

April

Cheapest in

January

Average price

$187
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 ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:14 pmBWI - BOS
1 stop11h 29mMultiple Airlines
Wed 9/1712:20 pmBOS - BWI
1 stop7h 27mMultiple Airlines
Deal found 9/2$123
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Tue 9/3012:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 9/3$124
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:27 pmBWI - BOS
1 stop6h 20mMultiple Airlines
Thu 10/210:53 amBOS - BWI
1 stop8h 17mMultiple Airlines
Deal found 9/2$130
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Wed 10/13:00 pmBOS - BWI
1 stop8h 25mSpirit Airlines
Deal found 9/4$132
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:14 pmBWI - BOS
1 stop11h 29mMultiple Airlines
Tue 9/1612:20 pmBOS - BWI
1 stop7h 27mMultiple Airlines
Deal found 9/2$134
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Wed 9/1712:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 9/3$136
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Wed 9/2412:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 9/4$137
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Wed 9/2412:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 9/4$138
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:27 pmBWI - BOS
1 stop6h 20mMultiple Airlines
Thu 10/210:13 amBOS - BWI
1 stop21h 16mMultiple Airlines
Deal found 9/3$139
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Tue 10/76:20 amBOS - BWI
1 stop14h 03mSpirit Airlines
Deal found 9/4$143
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:27 pmBWI - BOS
1 stop6h 20mSpirit Airlines
Sat 10/412:20 pmBOS - BWI
1 stop8h 24mSpirit Airlines
Deal found 9/3$144
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:00 amDCA - BOS
Nonstop1h 31mJetBlue
Thu 12/184:05 pmBOS - DCA
Nonstop1h 53mJetBlue
Deal found 9/4$150

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 September 5, 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

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/7

9:10 pm-10:40 pm

Nonstop1h 30m

Boston Logan Intl

Tue 10/14

8:05 pm-9:45 pm

Nonstop1h 40m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/7

9:00 am-10:37 am

Nonstop1h 37m

Boston Logan Intl

Wed 10/15

9:29 pm-11:13 pm

Nonstop1h 44m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/15

6:55 am-8:25 am

Nonstop1h 30m

Boston Logan Intl

Wed 10/22

3:20 pm-4:55 pm

Nonstop1h 35m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/1

6:15 am-8:03 am

Nonstop1h 48m

Boston Logan Intl

Tue 10/7

6:20 am-8:12 am

Nonstop1h 52m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/21

3:00 pm-4:30 pm

Nonstop1h 30m

Boston Logan Intl

Tue 10/21

8:05 pm-9:45 pm

Nonstop1h 40m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 9/24

6:15 am-8:03 am

Nonstop1h 48m

Boston Logan Intl

Tue 9/30

6:30 am-8:11 am

Nonstop1h 41m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/15

1:00 pm-2:37 pm

Nonstop1h 37m

Boston Logan Intl

Tue 10/21

3:48 pm-5:34 pm

Nonstop1h 46m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/8

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Tue 10/14

10:36 am-12:20 pm

Nonstop1h 44m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/8

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Wed 10/15

6:20 am-8:12 am

Nonstop1h 52m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/7

9:00 am-10:37 am

Nonstop1h 37m

Boston Logan Intl

Wed 10/8

10:36 am-12:20 pm

Nonstop1h 44m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

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 August 29, 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Falmouth (average of $218). Flying from Washington, D.C. to Falmouth in July is currently the most expensive (average of $311). 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 September 5, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Falmouth as you normally would.

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 August 31, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Falmouth flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons 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 September 5, 2025.

The most flights from WAS to FM5 are scheduled on a Thursday (92 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 September 5, 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
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,916 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 popular is this Washington, D.C. to Falmouth flight route?

    Flights from Washington, D.C. to Falmouth have been viewed 121 times in the past calendar month.

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

    Southwest, Delta, and JetBlue can get you from Washington, D.C. to Falmouth in just under 1h 30m. Your travel time will be generally consistent. Washington, D.C. and Falmouth are separated by a distance of 369 mi. All flights are typically nonstop.

  • 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 $76. Users have also found prices from $81 and $84 on United Airlines and JetBlue, respectively.

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

    Most travelers choose Baltimore/Washington - Boston Logan Intl, Washington, D.C. Reagan-National - Boston Logan Intl or Washington, D.C. Dulles Intl - 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 LATAM Airlines (96%), Scandinavian Airlines (85%) or WestJet (82%) 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 $85. On average you can expect to pay $1,010. The most popular route, (Baltimore/Washington - Boston Logan Intl), can usually be booked for $149.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Falmouth (average of $218). Flying from Washington, D.C. to Falmouth in July is currently the most expensive (average of $311). 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 September 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$115FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$264FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$235FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$116Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$317FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$147Average$349FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$161Average$284FlexibilityNo cancel feeOn-time63%

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