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Falmouth

$132+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$258
(Trip.com)

One-way from

$132
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$447
From San Francisco to Falmouth
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One-way flight from San Francisco to Falmouth
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/85:51 pmSFO - BOS
1 stop10h 39mHawaiian Airlines
Tue 7/158:19 pmBOS - SFO
Nonstop6h 40mHawaiian Airlines
Deal found 6/10$258
This JetBlue deal was found by Cheapflights users on 6/9. 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.
Mon 7/76:05 amSFO - BOS
Nonstop5h 45mJetBlue
Tue 7/159:19 pmBOS - SFO
Nonstop6h 40mJetBlue
Deal found 6/9$259
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/137:20 amSFO - BOS
Nonstop5h 41mAlaska Airlines
Wed 8/207:45 amBOS - SFO
1 stop19h 14mAlaska Airlines
Deal found 6/10$260
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 7/1310:00 pmSFO - BOS
Nonstop5h 40mDelta
Wed 7/238:47 pmBOS - SFO
Nonstop6h 47mDelta
Deal found 6/10$268
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 8/255:15 pmSFO - BOS
2 stops11h 55mSouthwest
Fri 8/296:40 amBOS - SFO
1 stop9h 40mSouthwest
Deal found 6/11$284
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/216:42 pmSFO - BOS
1 stop8h 31mAmerican Airlines
Tue 9/95:36 pmBOS - SFO
1 stop8h 57mAmerican Airlines
Deal found 6/11$317
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/311:30 pmSFO - BOS
Nonstop5h 48mUnited Airlines
Tue 7/86:00 amBOS - SFO
Nonstop6h 28mUnited Airlines
Deal found 6/10$345
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:59 pmSFO - BOS
1 stop7h 38mSun Country Air
Mon 7/216:30 amBOS - SFO
1 stop19h 23mSun Country Air
Deal found 6/11$370

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 June 12, 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

Tue 7/8

5:51 pm-7:30 am

1 stop10h 39m

Boston Logan Intl

Tue 7/15

8:19 pm-11:59 pm

Nonstop6h 40m

$258

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 7/7

9:28 pm-6:10 am

Nonstop5h 42m

Boston Logan Intl

Tue 7/15

8:19 pm-11:59 pm

Nonstop6h 40m

$259

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 8/19

10:10 pm-6:48 am

Nonstop5h 38m

Boston Logan Intl

Mon 8/25

7:40 pm-1:44 am

1 stop9h 04m

$266

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 7/13

10:00 pm-6:40 am

Nonstop5h 40m

Boston Logan Intl

Wed 7/23

8:47 pm-12:34 am

Nonstop6h 47m

$268

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 8/25

5:15 pm-8:10 am

2 stops11h 55m

Boston Logan Intl

Fri 8/29

6:40 am-1:20 pm

1 stop9h 40m

$284

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 8/21

6:42 pm-6:13 am

1 stop8h 31m

Boston Logan Intl

Tue 9/9

5:36 pm-11:33 pm

1 stop8h 57m

$317

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 7/3

11:30 pm-8:18 am

Nonstop5h 48m

Boston Logan Intl

Tue 7/8

6:00 am-9:28 am

Nonstop6h 28m

$345

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Fri 7/18

11:59 pm-10:37 am

1 stop7h 38m

Boston Logan Intl

Mon 7/21

6:30 am-10:53 pm

1 stop19h 23m

$370

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 7/8

5:51 pm-7:30 am

1 stop10h 39m

$132

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 8/13

5:25 pm-8:10 am

2 stops11h 45m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
2

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 June 9, 2025.

Booking 64 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 June is currently the most expensive (average of $306). 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 June 12, 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 June 12, 2025.

The most flights from SFO to FM5 are scheduled on a Thursday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 June 12, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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 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 41 flights from San Francisco to Falmouth per day from 9 different airlines.

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

    Within the past month, 42 users have taken a look at flights from San Francisco to Falmouth.

  • 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 $132 on Alaska Airlines. Other airlines that offer cheap prices include Southwest from $134 and United Airlines from $135 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: Qatar Airways (92%), Etihad Airways (91%), American Airlines( 89%).

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

    While on average a flight from San Francisco to Falmouth is generally $895, our data shows the cheapest flight currently is $129. When looking at the most popular route, (San Francisco - Boston Logan Intl), you can expect to pay $234 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 June is currently the most expensive (average of $306). 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.

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Alternative routes for San Francisco to Falmouth

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$200FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$134Average$468FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$144Average$364FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$160Average$373FlexibilityNo cancel feeOn-time83%
DeltaCheapest$163Average$384FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$195Average$496FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$227Average$534FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$228Average$418FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$263Average$449FlexibilityNo cancel feeOn-time63%

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