$169+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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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 September, booked 72 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from San Francisco to Falmouth
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to FalmouthExplore 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, 2026.
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, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 7/912:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Tue 7/216:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 6/7![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 6/7. 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.
Tue 8/2511:26 am
SFO
- BOS
Nonstop5h 50m
JetBlue
Fri 9/114:00 pm
BOS
- SFO
1 stop10h 31m
JetBlue
Deal found 6/7![JetBlue logo]()
$323
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.
Wed 7/154:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Tue 7/216:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 6/237:00 am
SFO
- BOS
Nonstop5h 54m
United Airlines
Tue 6/3011:35 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$325
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:05 pm
SFO
- BOS
1 stop8h 52m
Frontier
Sun 8/1611:59 am
BOS
- SFO
1 stop10h 14m
Frontier
Deal found 6/9![Frontier logo]()
$326
This JetBlue deal was found by Cheapflights users on 6/8. 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 7/96:00 am
SFO
- BOS
Nonstop5h 41m
JetBlue
Wed 7/156:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 6/8![JetBlue logo]()
$327
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Wed 7/156:35 am
BOS
- SFO
Nonstop6h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$328
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:05 pm
SFO
- BOS
1 stop8h 52m
Frontier
Fri 8/1411:59 am
BOS
- SFO
1 stop10h 14m
Frontier
Deal found 6/10![Frontier logo]()
$329
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 9/82:50 pm
SFO
- BOS
Nonstop5h 51m
Delta
Tue 9/2210:05 am
BOS
- SFO
Nonstop6h 32m
Delta
Deal found 6/7![Delta logo]()
$330
This JetBlue deal was found by Cheapflights users on 6/7. 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.
Fri 9/118:25 pm
SFO
- BOS
1 stop8h 32m
JetBlue
Thu 9/246:55 am
BOS
- SFO
Nonstop6h 35m
JetBlue
Deal found 6/7![JetBlue logo]()
$331
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:48 pm
SFO
- BOS
Nonstop5h 42m
Delta
Thu 8/138:55 pm
BOS
- SFO
Nonstop6h 38m
Delta
Deal found 6/12![Delta logo]()
$332
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 pm
SFO
- BOS
Nonstop5h 44m
Delta
Mon 11/168:15 pm
BOS
- SFO
1 stop16h 44m
Delta
Deal found 6/11![Delta logo]()
$333
Best flights from San Francisco to FalmouthDiscover carefully curated flight deals from San Francisco to Falmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from San Francisco to Falmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This JetBlue deal was found by Cheapflights users on 6/7. 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 8/3110:57 am
SFO
- BOS
1 stop10h 22m
JetBlue
Wed 9/91:00 pm
BOS
- SFO
1 stop11h 28m
JetBlue
Deal found 6/7![JetBlue logo]()
$337
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:25 pm
SFO
- BOS
2 stops11h 25m
Southwest
Sun 8/168:00 am
BOS
- SFO
1 stop15h 40m
Southwest
Deal found 6/9![Southwest logo]()
$351
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.
Sun 7/59:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Fri 7/106:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$355
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:00 pm
SFO
- BOS
Nonstop5h 41m
Delta
Fri 7/178:55 pm
BOS
- SFO
Nonstop6h 38m
Delta
Deal found 6/11![Delta logo]()
$382
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 7/611:50 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Thu 7/96:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 6/9![JetBlue logo]()
$347
This Southwest deal was found by Cheapflights users on 6/8. 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.
Tue 9/227:40 am
SFO
- BOS
2 stops13h 25m
Southwest
Mon 9/282:15 pm
BOS
- SFO
2 stops10h 40m
Southwest
Deal found 6/8![Southwest logo]()
$365
This JetBlue deal was found by Cheapflights users on 6/8. 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 8/176:00 am
SFO
- BOS
Nonstop5h 41m
JetBlue
Thu 8/208:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 6/8![JetBlue logo]()
$347
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.
Fri 7/3111:00 am
SFO
- BOS
1 stop9h 10m
Southwest
Wed 8/52:45 pm
BOS
- SFO
2 stops10h 20m
Southwest
Deal found 6/11![Southwest logo]()
$372
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:25 pm
SFO
- BOS
1 stop7h 44m
JetBlue
Thu 8/274:30 pm
BOS
- SFO
1 stop11h 06m
JetBlue
Deal found 6/11![JetBlue logo]()
$380
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 8/26:00 am
SFO
- BOS
1 stop14h 10m
Southwest
Tue 8/118:15 am
BOS
- SFO
2 stops11h 10m
Southwest
Deal found 6/8![Southwest logo]()
$398
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:55 am
SFO
- BOS
1 stop9h 30m
Southwest
Fri 8/282:15 pm
BOS
- SFO
2 stops10h 40m
Southwest
Deal found 6/10![Southwest logo]()
$402
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:40 pm
SFO
- BOS
1 stop9h 20m
Southwest
Sun 10/188:20 am
BOS
- SFO
1 stop9h 00m
Southwest
Deal found 6/9![Southwest logo]()
$404
Last-minute flights from San Francisco to FalmouthDiscover last-minute flight deals from San Francisco to Falmouth. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Falmouth. Data last updated June 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 6/237:00 am
SFO
- BOS
Nonstop5h 54m
United Airlines
Tue 6/3011:35 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$325
This JetBlue deal was found by Cheapflights users on 6/7. 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 7/48:35 pm
SFO
- BOS
1 stop8h 11m
JetBlue
Thu 7/95:00 pm
BOS
- SFO
Nonstop6h 34m
JetBlue
Deal found 6/7![JetBlue logo]()
$323
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
SFO
- BOS
1 stop20h 40m
Multiple Airlines
Sat 7/116:35 am
BOS
- SFO
Nonstop6h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$328
This Priceline deal was found by Cheapflights users on 6/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:26 am
SFO
- BOS
Nonstop5h 50m
Multiple Airlines
Tue 7/1411:52 am
BOS
- SFO
1 stop10h 26m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 6/7. 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 7/810:50 pm
SFO
- BOS
1 stop11h 50m
Southwest
Wed 7/154:25 pm
BOS
- SFO
1 stop9h 10m
Southwest
Deal found 6/7![Southwest logo]()
$332
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 7/912:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Tue 7/216:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 6/7![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 6/8. 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 7/96:00 am
SFO
- BOS
Nonstop5h 41m
JetBlue
Wed 7/156:35 am
BOS
- SFO
Nonstop6h 30m
JetBlue
Deal found 6/8![JetBlue logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Tue 7/215:45 am
BOS
- SFO
1 stop8h 34m
United Airlines
Deal found 6/12![United Airlines logo]()
$330
This Frontier deal was found by Cheapflights users on 6/8. 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.
Mon 7/1311:00 pm
SFO
- BOS
1 stop8h 57m
Frontier
Thu 7/2311:52 am
BOS
- SFO
1 stop10h 26m
Frontier
Deal found 6/8![Frontier logo]()
$326
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.
Wed 7/154:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Tue 7/216:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$324
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.
Sat 7/182:29 pm
SFO
- BOS
1 stop7h 45m
United Airlines
Tue 7/216:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$331
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Thu 8/138:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$333
One-way flights from San Francisco to FalmouthSearch for one-way flight options from San Francisco to Falmouth. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from San Francisco to Falmouth. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 8/29:44 pm
SFO
- BOS
Nonstop5h 44m
JetBlue
Deal found 6/7![JetBlue logo]()
$169
This Southwest deal was found by Cheapflights users on 6/7. 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 10/511:40 pm
SFO
- BOS
2 stops10h 00m
Southwest
Deal found 6/7![Southwest logo]()
$170
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 8/182:07 pm
SFO
- BOS
Nonstop5h 52m
United Airlines
Deal found 6/8![United Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:56 pm
SFO
- BOS
1 stop8h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$172
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:55 am
SFO
- BOS
1 stop18h 45m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$173
This JetBlue deal was found by Cheapflights users on 6/8. 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 8/273:19 pm
SFO
- BOS
Nonstop5h 40m
JetBlue
Deal found 6/8![JetBlue logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/2811:52 pm
SFO
- BOS
2 stops22h 35m
Frontier
Deal found 6/7![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 8/76:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$176
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 6/11![United Airlines logo]()
$177
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.
Tue 7/712:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$178
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.
Thu 7/307:55 am
SFO
- BOS
1 stop18h 45m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$179
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:45 pm
SFO
- BOS
1 stop10h 10m
JetBlue
Deal found 6/7![JetBlue logo]()
$180
Find 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, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (Cheapflightsfares) |
One-way from | $169 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $502 |
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, 2026.
Use the filters below to find and compare flights from San Francisco to Falmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 8/31
10:57 am-12:19 am
1 stop10h 22m
Boston Logan Intl
Wed 9/9
1:00 pm-9:28 pm
1 stop11h 28m
$337
Quickest round-trip
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 7/6
11:50 pm-8:32 am
Nonstop5h 42m
Boston Logan Intl
Thu 7/9
6:35 am-10:05 am
Nonstop6h 30m
$347
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Mon 8/17
6:00 am-2:41 pm
Nonstop5h 41m
Boston Logan Intl
Thu 8/20
8:55 pm-12:31 am
Nonstop6h 36m
$347
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 8/12
7:25 pm-9:50 am
2 stops11h 25m
Boston Logan Intl
Sun 8/16
8:00 am-8:40 pm
1 stop15h 40m
$351
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 7/5
9:25 pm-6:21 am
Nonstop5h 56m
Boston Logan Intl
Fri 7/10
6:00 am-9:27 am
Nonstop6h 27m
$355
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 9/22
7:40 am-12:05 am
2 stops13h 25m
Boston Logan Intl
Mon 9/28
2:15 pm-9:55 pm
2 stops10h 40m
$365
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Fri 7/31
11:00 am-11:10 pm
1 stop9h 10m
Boston Logan Intl
Wed 8/5
2:45 pm-10:05 pm
2 stops10h 20m
$372
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Tue 8/25
8:25 pm-7:09 am
1 stop7h 44m
Boston Logan Intl
Thu 8/27
4:30 pm-12:36 am
1 stop11h 06m
$380
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Wed 7/15
3:00 pm-11:41 pm
Nonstop5h 41m
Boston Logan Intl
Fri 7/17
8:55 pm-12:33 am
Nonstop6h 38m
$382
San FranciscoBoston
SFO - BOS
SFOBOS
San Francisco
Sun 8/2
6:00 am-11:10 pm
1 stop14h 10m
Boston Logan Intl
Tue 8/11
8:15 am-4:25 pm
2 stops11h 10m
$398
Showing 1-10 of 24 resultsSorted by cheapest first
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.
SFO-BOS
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
SFO-FM5
SFO-BOS
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, 2026.
When flying from San Francisco to Falmouth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight in the morning.
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, 2026.
The most flights from SFO to FM5 are scheduled on a Thursday (52 on average). You will have fewer flight options on Saturday, 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?
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 June 8, 2026.
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.
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, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines 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.
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
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.
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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.
Complete your trip
Complete your trip to Falmouth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Falmouth by cabin class
Find flights from San Francisco to Falmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Falmouth flights
Browse other San Francisco and Falmouth flight options. Last updated on June 12, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Falmouth flights
Consider these flights traveling from San Francisco to Falmouth.
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, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$302 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$158 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$185 | Average$656 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$402 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$206 | Average$389 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$212 | Average$366 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$226 | Average$680 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$407 | FlexibilityNo cancel fee | On-time71% |