HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Falmouth

$130+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Falmouth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2025.

Round-trip from

$243
(JetBlue)

One-way from

$130
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$433
From San Francisco to Falmouth
Search Deals
One-way flight from San Francisco to Falmouth
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 31, 2025.

This JetBlue deal was found by Cheapflights users on 7/30. 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.
Sat 10/410:00 pmSFO - BOS
Nonstop5h 39mJetBlue
Sun 10/59:20 amBOS - SFO
Nonstop6h 36mJetBlue
Deal found 7/30$243
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amSFO - BOS
1 stop8h 55mAlaska Airlines
Wed 9/108:23 pmBOS - SFO
Nonstop6h 29mAlaska Airlines
Deal found 7/30$247
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:10 amSFO - BOS
Nonstop5h 50mHawaiian Airlines
Mon 9/225:08 pmBOS - SFO
1 stop9h 51mHawaiian Airlines
Deal found 7/30$253
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/611:25 pmSFO - BOS
1 stop8h 04mAmerican Airlines
Sat 9/135:54 pmBOS - SFO
1 stop8h 21mAmerican Airlines
Deal found 7/30$255
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 10/812:35 pmSFO - BOS
Nonstop5h 40mDelta
Tue 10/217:55 pmBOS - SFO
Nonstop6h 46mDelta
Deal found 7/31$262
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:20 amSFO - BOS
2 stops10h 15mSouthwest
Wed 11/125:30 amBOS - SFO
1 stop8h 30mSouthwest
Deal found 7/29$273

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 July 31, 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 10/4

10:00 pm-6:39 am

Nonstop5h 39m

Boston Logan Intl

Sun 10/5

9:20 am-12:56 pm

Nonstop6h 36m

$243

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 9/3

6:00 am-5:55 pm

1 stop8h 55m

Boston Logan Intl

Sat 9/6

8:23 pm-11:52 pm

Nonstop6h 29m

$247

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 9/17

6:10 am-3:00 pm

Nonstop5h 50m

Boston Logan Intl

Mon 9/22

5:08 pm-11:59 pm

1 stop9h 51m

$253

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 9/6

11:25 pm-10:29 am

1 stop8h 04m

Boston Logan Intl

Sat 9/13

5:54 pm-11:15 pm

1 stop8h 21m

$255

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 10/8

12:35 pm-9:15 pm

Nonstop5h 40m

Boston Logan Intl

Wed 10/15

7:55 pm-11:41 pm

Nonstop6h 46m

$262

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 11/5

8:20 am-9:35 pm

2 stops10h 15m

Boston Logan Intl

Wed 11/12

5:30 am-11:00 am

1 stop8h 30m

$273

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 9/7

6:10 am-3:00 pm

Nonstop5h 50m

$130

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 10/1

6:00 am-6:48 pm

1 stop9h 48m

$131

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 10/8

10:25 am-11:25 pm

2 stops10h 00m

$134

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 10/8

9:50 pm-6:30 am

Nonstop5h 40m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 15 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 July 25, 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 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 July 31, 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 Friday afternoons 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 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 July 31, 2025.

The most flights from SFO to FM5 are scheduled on a Thursday (63 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost to fly round-trip from San Francisco 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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Francisco to Falmouth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 43 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, 41 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 $130 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $131 and Southwest from $134 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: Etihad Airways (95%), Scandinavian Airlines (89%), Air China( 88%).

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

    While on average a flight from San Francisco to Falmouth is generally $966, our data shows the cheapest flight currently is $125. When looking at the most popular route, (San Francisco - Boston Logan Intl), you can expect to pay $220 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Falmouth

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boston flights
San Francisco to Boston flights
San Diego to Boston flights
Ontario to Boston flights
Santa Ana to Boston flights
Burbank to Boston flights
Las Vegas to Boston flights
San Jose to Boston flights
Los Angeles to Hartford flights
Los Angeles to Albany flights
Sacramento to Boston flights
Oakland to Boston flights
San Francisco to Hartford flights
Ontario to Hartford flights
Long Beach to Boston flights
Santa Ana to Hartford flights
Reno to Boston flights
San Francisco to Albany flights
Burbank to Hartford flights
San Diego to Hartford flights
Ontario to Albany flights
Fresno to Boston flights
Palm Springs to Boston flights
Las Vegas to Hartford flights
Las Vegas to Albany flights
Santa Barbara to Boston flights
Sacramento to Hartford flights
San Francisco to Nantucket flights
Monterey to Boston flights
San Jose to Hartford flights
San Diego to Albany flights
Los Angeles to West Tisbury flights
Santa Ana to Albany flights
Los Angeles to Nantucket flights
Oakland to Hartford flights
San Luis Obispo to Boston flights
San Luis Obispo to Hartford flights
Burbank to Albany flights
San Francisco to West Tisbury flights
Medford to Boston flights
Sacramento to Albany flights
San Jose to Albany flights
Reno to Hartford flights
Long Beach to Hartford flights
Oakland to Albany flights
Los Angeles to Worcester flights
San Diego to Hyannis flights
San Diego to West Tisbury flights
Santa Rosa to Boston flights
Palm Springs to Hartford flights

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$200FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$144Average$363FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$160Average$395FlexibilityNo cancel feeOn-time83%
DeltaCheapest$171Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$438FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$196Average$482FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$205Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$227Average$506FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$230Average$416FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.