HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket

$147+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ACK
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Nantucket 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.

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 August 14, 2025.

Round-trip from

$424
(JetBlue)

One-way from

$147
(Priceline)

Popular in

December

Cheapest in

January

Average price

$383
From San Francisco to Nantucket Memorial
Search Deals
One-way flight from San Francisco to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 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 August 2025
Search Deals

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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 8/2510:57 pmSFO - ACK
2 stops14h 12mDelta
Wed 8/273:26 pmACK - SFO
1 stop11h 21mDelta
Deal found 8/13$449
This Expedia deal was found by Cheapflights users on 8/13. 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.
Fri 9/1210:00 pmSFO - ACK
1 stop12h 21mJetBlue
Mon 9/155:30 pmACK - SFO
1 stop9h 29mJetBlue
Deal found 8/13$545
This JetBlue deal was found by Cheapflights users on 8/12. 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 8/2510:30 pmSFO - ACK
1 stop10h 23mJetBlue
Wed 8/2712:50 pmACK - SFO
1 stop10h 51mJetBlue
Deal found 8/12$555
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 8/2412:45 amSFO - ACK
2 stops12h 10mAmerican Airlines
Wed 8/274:25 pmACK - SFO
1 stop9h 53mAmerican Airlines
Deal found 8/13$627
This JetBlue deal was found by Cheapflights users on 8/13. 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 8/2410:30 pmSFO - ACK
1 stop10h 23mJetBlue
Fri 9/124:10 pmACK - SFO
1 stop11h 49mJetBlue
Deal found 8/13$642
This JetBlue deal was found by Cheapflights users on 8/14. 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 10/108:40 pmSFO - ACK
1 stop11h 20mJetBlue
Sun 10/125:30 pmACK - SFO
1 stop9h 20mJetBlue
Deal found 8/14$770
This JetBlue deal was found by Cheapflights users on 8/14. 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 10/1110:30 pmSFO - ACK
1 stop9h 30mJetBlue
Mon 10/134:20 pmACK - SFO
1 stop11h 39mJetBlue
Deal found 8/14$788
This Expedia deal was found by Cheapflights users on 8/14. 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.
Wed 9/249:00 pmSFO - ACK
2 stops12h 15mJetBlue
Sun 9/285:30 pmACK - SFO
2 stops19h 48mJetBlue
Deal found 8/14$883

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 August 14, 2025.
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

Mon 8/25

10:57 pm-4:09 pm

2 stops14h 12m

Nantucket Memorial

Wed 8/27

3:26 pm-11:47 pm

1 stop11h 21m

$449

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Fri 9/12

10:00 pm-1:21 pm

1 stop12h 21m

Nantucket Memorial

Mon 9/15

5:30 pm-11:59 pm

1 stop9h 29m

$545

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 8/25

10:30 pm-11:53 am

1 stop10h 23m

Nantucket Memorial

Wed 8/27

12:50 pm-8:41 pm

1 stop10h 51m

$555

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 8/24

12:45 am-3:55 pm

2 stops12h 10m

Nantucket Memorial

Wed 8/27

4:25 pm-11:18 pm

1 stop9h 53m

$627

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 8/24

10:30 pm-11:53 am

1 stop10h 23m

Nantucket Memorial

Fri 9/12

4:10 pm-12:59 am

1 stop11h 49m

$642

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 9/15

11:29 pm-2:11 pm

1 stop11h 42m

$147

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 8/25

10:59 pm-4:09 pm

2 stops14h 10m

$230

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 9/15

6:15 am-9:55 am

2 stops24h 40m

$261

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 8/25

10:40 pm-9:55 am

1 stop8h 15m

$274

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 8/24

12:45 am-4:46 pm

2 stops13h 01m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 14 results
1
2

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.

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 August 14, 2025.
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
2,913 reviews

Boarding

7.4

Entertainment

7.3

Overall

7.2

Comfort

7.6

Food

6.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
JetBlue
7.2
Good
2,913 reviews
JetBlue
7.2
Good
2,913 reviews

Boarding

7.4

Entertainment

7.3

Overall

7.2

Comfort

7.6

Food

6.7

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

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.

  • 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.

  • What are the cheapest airlines to fly from San Francisco to Nantucket one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $147. Users have also found prices from $230 and $261 on Delta and United Airlines, respectively.

  • 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.

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 Nantucket

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
Las Vegas to Boston flights
Burbank to Boston flights
Los Angeles to Hartford flights
San Jose to Boston flights
Los Angeles to Albany flights
Sacramento to Boston flights
San Diego to Hartford flights
San Francisco to Hartford flights
Oakland to Boston flights
Santa Ana to Hartford flights
Long Beach to Boston flights
Ontario to Hartford flights
Reno to Boston flights
Fresno to Boston flights
Los Angeles to West Tisbury flights
San Francisco to Albany flights
Reno to Hartford flights
Palm Springs to Boston flights
Los Angeles to Worcester flights
Santa Barbara to Boston flights
Burbank to Hartford flights
Bakersfield to Boston flights
Fresno to Hartford flights
Ontario to Albany flights
Las Vegas to Hartford flights
San Diego to Albany flights
San Jose to Albany flights
Santa Ana to Albany flights
Las Vegas to Albany flights
Sacramento to Hartford flights
Oakland to Hartford flights
Monterey to Boston flights
San Luis Obispo to Boston flights
San Jose to Hartford flights
Burbank to Albany flights
Medford to Boston flights
San Francisco to West Tisbury flights
Sacramento to Albany flights
Arcata to Boston flights
Oakland to Albany flights
Long Beach to Hartford flights
Santa Rosa to Boston flights
Palm Springs to Albany flights
Los Angeles to Hyannis flights

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$309Average$528FlexibilityNo cancel feeOn-time62%

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.