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Falmouth

$92+ Cheap flights from Denver (DEN) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOS
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Falmouth are usually found in January or February, booked 78 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Find flight deals from Denver to Falmouth

Cheapest flights from Denver to Falmouth
Explore the most affordable flight options available from Denver to Falmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/2410:37 pmDEN - BOS
2 stops30h 46mFrontier
Mon 1/58:08 amBOS - DEN
1 stop7h 33mFrontier
Deal found 11/13$161
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/179:00 pmDEN - BOS
2 stops26h 19mFrontier
Mon 1/1210:48 amBOS - DEN
1 stop8h 26mFrontier
Deal found 11/12$163
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/1812:16 amDEN - BOS
1 stop7h 26mFrontier
Thu 1/86:00 amBOS - DEN
2 stops16h 09mFrontier
Deal found 11/12$164
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/1912:14 amDEN - BOS
1 stop8h 28mFrontier
Thu 1/111:03 amBOS - DEN
1 stop13h 05mFrontier
Deal found 11/12$166
This JetBlue deal was found by Cheapflights users on 11/12. 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.
Thu 12/41:30 pmDEN - BOS
Nonstop3h 46mJetBlue
Fri 12/128:07 pmBOS - DEN
Nonstop4h 52mJetBlue
Deal found 11/12$167
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/2412:14 amDEN - BOS
1 stop7h 54mFrontier
Wed 12/3111:09 amBOS - DEN
1 stop23h 33mFrontier
Deal found 11/12$168
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/1012:59 amDEN - BOS
1 stop7h 23mMultiple Airlines
Tue 12/1610:56 amBOS - DEN
2 stops27h 36mMultiple Airlines
Deal found 11/12$169
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/2611:14 pmDEN - BOS
2 stops19h 35mMultiple Airlines
Wed 12/39:54 pmBOS - DEN
1 stop25h 44mMultiple Airlines
Deal found 11/12$170
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/266:00 amDEN - BOS
1 stop25h 12mMultiple Airlines
Tue 1/612:29 pmBOS - DEN
1 stop31h 04mMultiple Airlines
Deal found 11/12$172
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/312:59 amDEN - BOS
1 stop7h 23mFrontier
Fri 12/510:52 amBOS - DEN
2 stops16h 31mFrontier
Deal found 11/13$174

Cheap flight deals from Denver to Falmouth

Keep the following information in mind while searching for Denver to Falmouth flight deals. Data was last updated November 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$92
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$307
Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.
Search Deals
From Denver Intl to Falmouth
Search Deals
One-way flight from Denver Intl to Falmouth
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 14, 2025.
Use the filters below to find and compare flights from Denver to Falmouth that are best for you.

Fly from

Denver

Fly to

Falmouth

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 12/2

11:59 pm-5:44 am

Nonstop3h 45m

Boston Logan Intl

Fri 12/5

8:07 pm-10:59 pm

Nonstop4h 52m

$167

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Mon 12/8

2:45 pm-10:15 pm

1 stop5h 30m

Boston Logan Intl

Sun 12/14

6:10 am-9:00 am

Nonstop4h 50m

$177

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 12/11

11:36 am-5:36 pm

Nonstop4h 00m

Boston Logan Intl

Mon 12/15

7:35 am-10:26 am

Nonstop4h 51m

$177

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 1/27

1:40 pm-7:33 pm

Nonstop3h 53m

Boston Logan Intl

Tue 2/3

9:59 am-12:45 pm

Nonstop4h 46m

$177

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/29

5:45 pm-11:46 pm

Nonstop4h 01m

Boston Logan Intl

Tue 2/3

11:17 am-2:12 pm

Nonstop4h 55m

$187

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/29

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Tue 2/3

7:20 am-10:26 am

Nonstop5h 06m

$187

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 12/5

10:20 am-9:05 pm

2 stops8h 45m

Boston Logan Intl

Thu 12/11

5:30 am-11:15 am

2 stops7h 45m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 12/11

2:10 pm-8:00 pm

Nonstop3h 50m

Boston Logan Intl

Tue 12/16

9:40 am-3:40 pm

1 stop8h 00m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/22

1:40 pm-7:33 pm

Nonstop3h 53m

Boston Logan Intl

Mon 1/26

9:59 am-12:45 pm

Nonstop4h 46m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 12/18

6:15 pm-12:05 am

Nonstop3h 50m

Boston Logan Intl

Sun 12/21

8:00 pm-12:45 am

1 stop6h 45m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 24 results
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Best time to book a flight from Denver to Falmouth

Have a flexible travel schedule? Discover the best time to fly to Falmouth from Denver 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 Denver to Falmouth

How far ahead should I book a flight from Denver to Falmouth?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Falmouth. Price data was last updated on November 7, 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Falmouth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Falmouth?

Currently, August is the cheapest month in which you can book a flight from Denver to Falmouth (average of $65). Flying from Denver to Falmouth in September is currently the most expensive (average of $151). 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 DEN to FM5?

Find hourly flight availability from Denver 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 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Denver to Falmouth by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Denver to Falmouth?

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

Travelers seeking maximum savings on their Denver to Falmouth flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Falmouth

Explore weekly flight availability from Denver 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 14, 2025.

The most flights from DEN to FM5 are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 14, 2025.
Read through reviews of airlines operating flights from Denver to Falmouth, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,010 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,906 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,109 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver to Falmouth. 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 Denver to Falmouth?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Falmouth. 7 airlines have flights from Denver Intl to Falmouth on a regular basis. Booking flights from Denver Intl to Falmouth should not be difficult; the airport handles an average of 12 outbound flights to Falmouth per day.

  • How popular is this Denver to Falmouth flight route?

    Flights from Denver Intl to Falmouth have been viewed 22 times in the past calendar month.

  • How long is the flight from Denver to Falmouth?

    Departing from Denver to Falmouth will take you 3h 45m. The distance between Denver and Falmouth is about 1748 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Denver to Falmouth one-way?

    The cheapest airlines for a one-way flight from Denver to Falmouth are Southwest ($99), Delta ($99), and United Airlines ($99).

  • What are the most reliable airlines from Denver to Falmouth?

    Consider Icelandair (73%), EL AL (72%) or TAP AIR PORTUGAL (67%) when booking your flight. These represent the most reliable airlines when flying from Denver to Falmouth.

  • What are the cheapest flights from Denver to Falmouth?

    The cheapest flight price from Denver to Falmouth is $87. On average you can expect to pay $786. The most popular route, (Denver Intl - Boston Logan Intl), can usually be booked for $147.

  • Can I find deals for flights from Denver to Falmouth that include hotel bookings?

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

  • How can I find direct flights from Denver to Falmouth?

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

  • Can I find deals for business class flights from Denver to Falmouth?

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Falmouth?

    Currently, August is the cheapest month in which you can book a flight from Denver to Falmouth (average of $65). Flying from Denver to Falmouth in September is currently the most expensive (average of $151). 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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Alternative routes for Denver to Falmouth

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Denver to Falmouth

Discover the top 7 airlines that operate flights from Denver 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$65Average$170FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$104Average$207FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$409FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$129Average$338FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$390FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$195Average$411FlexibilityNo cancel feeOn-time69%

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