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$270+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ACK
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Priceline)

One-way from

$270
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$307
Provider with most accurate pricing for San Francisco-Nantucket Memorial flight deals.
Search Deals
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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High demand for flights, 0% potential price rise
Search Deals
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 enero 8, 2026.

This JetBlue deal was found by Cheapflights users on 1/7. 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.
mar. 9/19:30 pmSFO - ACK
1 stop9h 59mJetBlue
mié. 9/212:40 pmACK - SFO
1 stop11h 33mJetBlue
Deal found 1/7$394
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/3110:55 pmSFO - ACK
1 stop8h 34mJetBlue
sáb. 8/84:18 pmACK - SFO
1 stop9h 37mJetBlue
Deal found 1/7$445
This Priceline deal was found by Cheapflights users on 1/7. 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.
dom. 7/510:55 pmSFO - ACK
1 stop11h 08mJetBlue
dom. 7/126:05 pmACK - SFO
1 stop9h 49mJetBlue
Deal found 1/7$485
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/3110:50 pmSFO - ACK
2 stops11h 59mAmerican Airlines
sáb. 8/85:14 pmACK - SFO
2 stops9h 54mAmerican Airlines
Deal found 1/7$522
This Expedia deal was found by Cheapflights users on 1/6. 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.
mié. 1/218:29 pmSFO - ACK
1 stop14h 21mJetBlue
dom. 1/254:04 pmACK - SFO
1 stop9h 55mJetBlue
Deal found 1/6$709
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/57:05 pmSFO - ACK
2 stops11h 49mAmerican Airlines
dom. 7/123:08 pmACK - SFO
1 stop10h 50mAmerican Airlines
Deal found 1/7$712
This Expedia deal was found by Cheapflights users on 1/6. 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.
mié. 1/217:00 amSFO - ACK
2 stops9h 50mMultiple Airlines
dom. 1/253:15 pmACK - SFO
1 stop10h 44mMultiple Airlines
Deal found 1/6$750
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/12:25 pmSFO - ACK
2 stops16h 31mUnited Airlines
mié. 9/24:15 pmACK - SFO
2 stops18h 20mUnited Airlines
Deal found 1/7$836
This Priceline deal was found by Cheapflights users on 1/7. 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.
jue. 5/216:55 amSFO - ACK
1 stop8h 29mMultiple Airlines
dom. 5/247:00 amACK - SFO
1 stop9h 00mMultiple Airlines
Deal found 1/7$1,012

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 enero 8, 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

dom. 7/5

10:55 pm-1:03 pm

1 stop11h 08m

Nantucket Memorial

dom. 7/12

6:05 pm-12:54 am

1 stop9h 49m

$485

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

mié. 1/21

8:29 pm-1:50 pm

1 stop14h 21m

Nantucket Memorial

dom. 1/25

4:04 pm-10:59 pm

1 stop9h 55m

$709

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

mié. 1/21

7:00 am-7:50 pm

2 stops9h 50m

Nantucket Memorial

dom. 1/25

3:15 pm-10:59 pm

1 stop10h 44m

$750

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

dom. 7/5

6:00 pm-9:54 am

2 stops12h 54m

Nantucket Memorial

dom. 7/12

10:24 am-7:09 pm

2 stops11h 45m

$837

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

jue. 5/21

6:55 am-6:24 pm

1 stop8h 29m

Nantucket Memorial

dom. 5/24

7:00 am-1:00 pm

1 stop9h 00m

$1,012

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

jue. 5/21

10:30 pm-1:27 pm

2 stops11h 57m

Nantucket Memorial

dom. 5/24

10:00 am-10:49 pm

2 stops15h 49m

$3,336

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

vie. 6/19

7:05 pm-9:54 am

2 stops11h 49m

$270

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

sáb. 6/20

9:15 pm-9:56 am

1 stop9h 41m

$282

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

sáb. 6/20

7:05 pm-9:54 am

2 stops11h 49m

$512

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

vie. 6/19

9:15 pm-9:56 am

1 stop9h 41m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 11 results
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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 $219). 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 enero 8, 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
2,893 reviews

Entertainment

7.2

Boarding

7.4

Food

6.6

Overall

7.2

Comfort

7.5

Crew

8.0

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
2,893 reviews
JetBlue
7.2
Good
2,893 reviews

Entertainment

7.2

Boarding

7.4

Food

6.6

Overall

7.2

Comfort

7.5

Crew

8.0

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 and American Airlines fly from San Francisco to Nantucket in about 11h 08m. The time it takes to get you to your destination can typically vary by up to 1h 46m. There are 2759 mi between San Francisco and Nantucket. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $219). 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$309Average$517FlexibilityNo cancel feeOn-time62%

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