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$39+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Falmouth are usually found in January or September, booked 30 days in advance, depart on a Thursday or Saturday and return on a Thursday

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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$74
(FlightHub)

One-way from

$39
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$217
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. 11% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Thu 5/295:35 amBWI - BOS
Nonstop1h 28mSpirit Airlines
Thu 5/297:47 pmBOS - BWI
Nonstop1h 34mSpirit Airlines
Deal found 4/30$75
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 5/266:00 amDCA - BOS
Nonstop1h 40mDelta
Thu 5/297:35 amBOS - DCA
Nonstop1h 53mDelta
Deal found 4/30$137
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/219:00 amIAD - BOS
Nonstop1h 39mUnited Airlines
Tue 5/275:30 amBOS - IAD
Nonstop1h 34mUnited Airlines
Deal found 4/30$137
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/56:00 amDCA - BOS
Nonstop1h 40mAmerican Airlines
Mon 6/96:53 pmBOS - DCA
Nonstop1h 55mAmerican Airlines
Deal found 4/30$138
This JetBlue deal was found by Cheapflights users on 4/30. 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.
Wed 6/412:45 pmDCA - BOS
Nonstop1h 31mJetBlue
Wed 6/46:10 pmBOS - DCA
Nonstop1h 49mJetBlue
Deal found 4/30$152
This Delta deal was found by Cheapflights users on 4/30. 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 8/301:00 pmBWI - BOS
Nonstop1h 32mDelta
Sun 8/3110:35 amBOS - BWI
Nonstop1h 47mDelta
Deal found 4/30$161
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.
Thu 6/511:10 amDCA - BOS
1 stop5h 09mUnited Airlines
Sat 6/148:02 amBOS - DCA
1 stop6h 22mUnited Airlines
Deal found 4/29$172
This Frontier deal was found by Cheapflights users on 4/30. 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.
Thu 5/155:26 pmIAD - BOS
1 stop7h 39mFrontier
Fri 5/166:00 amBOS - IAD
1 stop10h 36mFrontier
Deal found 4/30$180
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:03 pmBWI - BOS
1 stop20h 31mMultiple Airlines
Fri 5/166:00 amBOS - BWI
Nonstop1h 31mMultiple Airlines
Deal found 4/30$185
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/2911:54 amIAD - BOS
1 stop21h 41mMultiple Airlines
Sun 6/112:34 pmBOS - IAD
1 stop25h 49mMultiple Airlines
Deal found 4/30$187
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:21 pmBWI - BOS
1 stop27h 23mFrontier
Sun 5/1810:14 amBOS - BWI
1 stop25h 59mFrontier
Deal found 4/29$193
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/63:13 pmIAD - BOS
1 stop17h 01mAllegiant Air
Sun 6/811:31 amBOS - IAD
1 stop8h 54mAllegiant Air
Deal found 4/30$194

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 May 1, 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

Thu 5/29

5:35 am-7:03 am

Nonstop1h 28m

Boston Logan Intl

Thu 5/29

7:47 pm-9:21 pm

Nonstop1h 34m

$75

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Mon 5/26

6:00 am-7:40 am

Nonstop1h 40m

Boston Logan Intl

Thu 5/29

7:35 am-9:28 am

Nonstop1h 53m

$137

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 5/21

9:00 am-10:39 am

Nonstop1h 39m

Boston Logan Intl

Tue 5/27

5:30 am-7:04 am

Nonstop1h 34m

$137

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 6/5

6:00 am-7:40 am

Nonstop1h 40m

Boston Logan Intl

Mon 6/9

6:53 pm-8:48 pm

Nonstop1h 55m

$138

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 6/4

12:45 pm-2:16 pm

Nonstop1h 31m

Boston Logan Intl

Wed 6/4

6:10 pm-7:59 pm

Nonstop1h 49m

$152

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 8/30

1:00 pm-2:32 pm

Nonstop1h 32m

Boston Logan Intl

Sun 8/31

10:35 am-12:22 pm

Nonstop1h 47m

$161

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sun 5/11

1:03 pm-9:34 am

1 stop20h 31m

Boston Logan Intl

Wed 5/14

6:00 am-7:31 am

Nonstop1h 31m

$175

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 5/21

6:00 am-10:07 am

1 stop4h 07m

Boston Logan Intl

Tue 5/27

9:00 am-2:52 pm

1 stop5h 52m

$175

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 5/15

5:26 pm-1:05 am

1 stop7h 39m

Boston Logan Intl

Mon 5/19

6:00 am-4:36 pm

1 stop10h 36m

$180

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 5/29

11:54 am-9:35 am

1 stop21h 41m

Boston Logan Intl

Sun 6/1

12:34 pm-2:23 pm

1 stop25h 49m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 38 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 April 25, 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 $310). 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 May 1, 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 December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Falmouth flight should consider departing on Tuesday mornings 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 May 1, 2025.

The most flights from WAS to FM5 are scheduled on a Wednesday (88 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Falmouth by month

Plan your trip to Falmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Falmouth ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Falmouth when rainfall is around 3.1 in.

Temperature in Falmouth by month

Plan your trip to Falmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Falmouth, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Falmouth to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $39. Users have also found prices from $79 and $79 on Delta and United Airlines, respectively.

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

    Most travelers choose Washington, D.C. Reagan-National - Boston Logan Intl, Baltimore/Washington - 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 Avianca (89%), Egyptair (87%) or United Airlines (85%) 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 $83. On average you can expect to pay $319. The most popular route, (Washington, D.C. Reagan-National - Boston Logan Intl), can usually be booked for $137.

  • 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 $310). 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

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Top 6 airlines flying from Washington, D.C. to Falmouth

Discover the top 6 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$117FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$308FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$239FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$268FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$317FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$169Average$270FlexibilityNo cancel feeOn-time63%

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