Falmouth

$118+ Cheap flights from San Francisco (SFO) 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Apr 9 — Apr 161
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Cheapflights Tip: The best prices from San Francisco to Falmouth are usually found in January or February, booked 64 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from San Francisco to Falmouth

Keep the following information in mind while searching for San Francisco to Falmouth flight deals. Data was last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$118
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$381
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
From San Francisco to Falmouth
One-way flight from San Francisco to Falmouth
Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from San Francisco to Falmouth

Cheapest flights from San Francisco to Falmouth
Explore the most affordable flight options available from San Francisco to Falmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/37:35 amSFO - BOS
Nonstop5h 40mHawaiian Airlines
Sat 5/107:47 pmBOS - SFO
Nonstop6h 47mHawaiian Airlines
Deal found 4/3$226
This JetBlue deal was found by Cheapflights users on 4/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amSFO - BOS
Nonstop5h 45mJetBlue
Wed 5/75:59 pmBOS - SFO
Nonstop6h 49mJetBlue
Deal found 4/3$232
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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.
Sun 5/411:50 pmSFO - BOS
1 stop9h 02mFrontier
Sun 5/116:00 amBOS - SFO
1 stop10h 15mFrontier
Deal found 4/3$238
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amSFO - BOS
1 stop8h 52mAlaska Airlines
Wed 5/287:59 pmBOS - SFO
Nonstop6h 45mAlaska Airlines
Deal found 4/3$241
This Travelocity deal was found by Cheapflights users on 4/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:38 pmSFO - BOS
1 stop9h 10mMultiple Airlines
Wed 4/307:47 pmBOS - SFO
Nonstop6h 47mMultiple Airlines
Deal found 4/3$244
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:20 pmSFO - BOS
1 stop8h 03mUnited Airlines
Sat 5/316:00 amBOS - SFO
1 stop8h 23mUnited Airlines
Deal found 4/3$257
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:05 pmSFO - BOS
Nonstop5h 40mDelta
Mon 5/57:49 pmBOS - SFO
Nonstop6h 52mDelta
Deal found 4/3$269
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:21 amSFO - BOS
1 stop9h 48mAmerican Airlines
Thu 5/14:06 pmBOS - SFO
1 stop11h 24mAmerican Airlines
Deal found 4/3$278
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:30 amSFO - BOS
2 stops11h 35mSouthwest
Mon 9/157:10 amBOS - SFO
1 stop8h 45mSouthwest
Deal found 4/3$338

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 April 4, 2025.
Use the filters below to find and compare flights from San Francisco to Falmouth that are best for you.

Fly from

San Francisco

Fly to

Falmouth

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 5/3

7:35 am-4:15 pm

Nonstop5h 40m

Boston Logan Intl

Sat 5/10

7:47 pm-11:34 pm

Nonstop6h 47m

$226

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 5/7

6:00 am-2:45 pm

Nonstop5h 45m

Boston Logan Intl

Wed 5/7

5:59 pm-9:48 pm

Nonstop6h 49m

$232

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 5/3

7:20 am-3:50 pm

Nonstop5h 30m

Boston Logan Intl

Sat 5/10

7:55 am-11:40 am

Nonstop6h 45m

$237

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 5/4

11:50 pm-11:52 am

1 stop9h 02m

Boston Logan Intl

Sun 5/11

6:00 am-1:15 pm

1 stop10h 15m

$238

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 5/28

6:00 am-5:52 pm

1 stop8h 52m

Boston Logan Intl

Wed 5/28

7:59 pm-11:44 pm

Nonstop6h 45m

$241

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 4/23

11:38 pm-11:48 am

1 stop9h 10m

Boston Logan Intl

Wed 4/30

7:47 pm-11:34 pm

Nonstop6h 47m

$244

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 5/24

11:20 pm-10:23 am

1 stop8h 03m

Boston Logan Intl

Sat 5/31

6:00 am-11:23 am

1 stop8h 23m

$257

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 4/29

12:21 am-1:09 pm

1 stop9h 48m

Boston Logan Intl

Thu 5/1

4:06 pm-12:30 am

1 stop11h 24m

$278

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 9/12

5:30 am-8:05 pm

2 stops11h 35m

Boston Logan Intl

Mon 9/15

7:10 am-12:55 pm

1 stop8h 45m

$338

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 4/23

12:11 am-11:39 am

1 stop8h 28m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 19 results
1
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Best time to book a flight from San Francisco to Falmouth

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Falmouth. Price data was last updated on March 28, 2025.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco 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 San Francisco to Falmouth?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Falmouth (average of $218). Flying from San Francisco 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 SFO to FM5?

Find hourly flight availability from San Francisco 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 April 4, 2025.

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

What is the cheapest day to fly from San Francisco to Falmouth?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Falmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Falmouth flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Falmouth

Explore weekly flight availability from San Francisco 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 April 4, 2025.

The most flights from SFO to FM5 are scheduled on a Friday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 April 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Francisco to Falmouth to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 San Francisco to Falmouth?

    If you book a flight to Falmouth from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 33 flights from San Francisco to Falmouth per day from 10 different airlines.

  • How popular is this San Francisco to Falmouth flight route?

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

    One-way options have recently been found by users for as low as $118 on Frontier. Other airlines that offer cheap prices include United Airlines from $119 and Alaska Airlines from $127 one-way.

  • What are the most reliable airlines from San Francisco to Falmouth?

    Before booking your flight to Falmouth from San Francisco, check out the most reliable airlines to get you to your destination on time: American Airlines (100%), Qatar Airways (100%), Fiji Airways( 100%).

  • What are the cheapest flights from San Francisco to Falmouth?

    While on average a flight from San Francisco to Falmouth is generally $990, our data shows the cheapest flight currently is $113. When looking at the most popular route, (San Francisco - Boston Logan Intl), you can expect to pay $232 for that flight.

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

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

  • How can I find direct flights from San Francisco to Falmouth?

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Falmouth?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Falmouth (average of $218). Flying from San Francisco 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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Alternative routes for San Francisco to Falmouth

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from San Francisco to Falmouth

Discover the top 9 airlines that operate flights from San Francisco 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$155FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$119Average$485FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$143Average$363FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$160Average$335FlexibilityNo cancel feeOn-time83%
DeltaCheapest$167Average$385FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$190Average$624FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$211Average$430FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$391Average$511FlexibilityNo cancel feeOn-time63%

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