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$347+ Cheap flights from San Francisco to Nantucket (SFO - ACK)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ACK
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from San Francisco to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$670
(JetBlue)

One-way from

$347
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$312
Provider with most accurate pricing for San Francisco-Nantucket Memorial flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Nantucket Memorial flights.
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From San Francisco to Nantucket Memorial
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One-way flight from San Francisco to Nantucket Memorial
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from San Francisco to Nantucket

Cheapest flights from San Francisco to Nantucket
Explore the most affordable flight options available from San Francisco to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This JetBlue deal was found by Cheapflights users on 1/11. 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 9/111:59 pm
SFO
-
ACK
1 stop8h 49m
JetBlue
Wed 9/23:38 pm
ACK
-
SFO
1 stop9h 03m
JetBlue
Deal found 1/11$394
This JetBlue deal was found by Cheapflights users on 1/12. 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.
Mon 4/1310:00 pm
SFO
-
ACK
1 stop10h 40m
JetBlue
Sun 5/177:00 am
ACK
-
SFO
1 stop9h 00m
JetBlue
Deal found 1/12$670
This JetBlue deal was found by Cheapflights users on 1/12. 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.
Sun 4/128:45 pm
SFO
-
ACK
1 stop9h 40m
JetBlue
Sun 5/177:00 am
ACK
-
SFO
1 stop9h 00m
JetBlue
Deal found 1/12$682
This Priceline deal was found by Cheapflights users on 1/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/268:29 pm
SFO
-
ACK
1 stop9h 56m
JetBlue
Fri 1/309:20 am
ACK
-
SFO
1 stop12h 35m
JetBlue
Deal found 1/11$764
This Expedia deal was found by Cheapflights users on 1/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/268:29 pm
SFO
-
ACK
1 stop9h 56m
Multiple Airlines
Fri 1/301:30 pm
ACK
-
SFO
2 stops12h 17m
Multiple Airlines
Deal found 1/11$775
This JetBlue deal was found by Cheapflights users on 1/12. 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.
Tue 1/278:26 am
SFO
-
ACK
1 stop8h 24m
JetBlue
Sat 1/315:30 pm
ACK
-
SFO
1 stop9h 08m
JetBlue
Deal found 1/12$814
This Priceline deal was found by Cheapflights users on 1/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:00 pm
SFO
-
ACK
2 stops12h 10m
Multiple Airlines
Sun 5/175:30 pm
ACK
-
SFO
1 stop10h 24m
Multiple Airlines
Deal found 1/12$952

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Nantucket 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 January 12, 2026.
Use the filters below to find and compare flights from San Francisco to Nantucket that are best for you.

Fly from

San Francisco

Fly to

Nantucket

Route

Depart

Return

Price

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Tue 4/14

8:45 pm-9:25 am

1 stop9h 40m

Nantucket Memorial

Sun 5/17

7:00 am-1:00 pm

1 stop9h 00m

$670

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Wed 4/15

8:45 pm-9:25 am

1 stop9h 40m

Nantucket Memorial

Sun 5/17

7:00 am-1:00 pm

1 stop9h 00m

$670

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 4/12

8:45 pm-9:25 am

1 stop9h 40m

Nantucket Memorial

Sun 5/17

7:00 am-1:00 pm

1 stop9h 00m

$682

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 1/26

8:29 pm-9:25 am

1 stop9h 56m

Nantucket Memorial

Fri 1/30

9:20 am-6:55 pm

1 stop12h 35m

$764

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 1/26

8:29 pm-9:25 am

1 stop9h 56m

Nantucket Memorial

Fri 1/30

1:30 pm-10:47 pm

2 stops12h 17m

$775

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Tue 1/27

8:26 am-7:50 pm

1 stop8h 24m

Nantucket Memorial

Sat 1/31

5:30 pm-11:38 pm

1 stop9h 08m

$814

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 4/12

10:00 pm-1:10 pm

2 stops12h 10m

Nantucket Memorial

Sun 5/17

5:30 pm-12:54 am

1 stop10h 24m

$952

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 2/15

8:40 pm-9:25 am

1 stop9h 45m

$347

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 2/15

7:28 pm-9:25 am

2 stops10h 57m

$378

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Fri 6/26

11:59 pm-11:48 am

1 stop8h 49m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 11 results
1
2

Compare providers for flights from San Francisco to Nantucket

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Nantucket in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Nantucket flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Nantucket flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Nantucket flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Nantucket flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket 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 Nantucket

What is the cheapest month to book a flight from San Francisco to Nantucket?

Currently, December is the cheapest month in which you can book a flight from San Francisco to Nantucket (average of $118). Flying from San Francisco to Nantucket in June is currently the most expensive (average of $209). 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.

Reviews of airlines servicing Nantucket

Get insights into the airlines that provide service to Nantucket. 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 Nantucket. Reviews last updated January 12, 2026.
Read through reviews of airlines operating flights from San Francisco to Nantucket, such as JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,883 reviews

Overall

7.2

Comfort

7.5

Boarding

7.4

Crew

8.0

Entertainment

7.2

Food

6.6

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
JetBlue
7.2
Good
2,883 reviews
JetBlue
7.2
Good
2,883 reviews

Overall

7.2

Comfort

7.5

Boarding

7.4

Crew

8.0

Entertainment

7.2

Food

6.6

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Nantucket?

    Airlines like JetBlue fly from San Francisco to Nantucket in about 9h 40m. The time it takes to get you to your destination can typically vary by up to . There are 2759 mi between San Francisco and Nantucket.

  • What is the cheapest airline to fly from San Francisco to Nantucket round-trip?

    Our cheapest airline available from San Francisco to Nantucket is JetBlue. Our recent data shows that you can find tickets from as low as $309 on this airline.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Francisco to Nantucket (average of $118). Flying from San Francisco to Nantucket in June is currently the most expensive (average of $209). 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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Top airline flying from San Francisco to Nantucket

Discover the top airline that operate flights from San Francisco to Nantucket. 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$309Average$517FlexibilityNo cancel feeOn-time62%

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