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$141+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ACK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$344
(JetBlue)

One-way from

$141
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$447
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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/711:25 pmSFO - ACK
1 stop8h 04mJetBlue
Mon 7/145:55 pmACK - SFO
1 stop10h 04mJetBlue
Deal found 6/12$344
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:45 pmSFO - ACK
2 stops14h 21mAmerican Airlines
Sat 7/195:50 pmACK - SFO
1 stop18h 27mAmerican Airlines
Deal found 6/11$442
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.
Mon 9/110:40 pmSFO - ACK
1 stop8h 39mUnited Airlines
Thu 9/411:00 amACK - SFO
2 stops25h 33mUnited Airlines
Deal found 6/10$520
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:57 pmSFO - ACK
2 stops9h 29mDelta
Thu 9/43:26 pmACK - SFO
1 stop11h 21mDelta
Deal found 6/10$600
This JetBlue Airways 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:30 pmSFO - ACK
1 stop19h 53mMultiple Airlines
Tue 7/85:00 pmACK - SFO
1 stop10h 59mMultiple Airlines
Deal found 6/10$815

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 June 12, 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 7/7

11:25 pm-10:29 am

1 stop8h 04m

Nantucket Memorial

Mon 7/14

5:55 pm-12:59 am

1 stop10h 04m

$344

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sat 7/12

6:45 pm-12:06 pm

2 stops14h 21m

Nantucket Memorial

Sat 7/19

5:50 pm-9:17 am

1 stop18h 27m

$442

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 9/1

10:40 pm-10:19 am

1 stop8h 39m

Nantucket Memorial

Thu 9/4

11:00 am-9:33 am

2 stops25h 33m

$520

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 9/1

10:57 pm-11:26 am

2 stops9h 29m

Nantucket Memorial

Thu 9/4

3:26 pm-11:47 pm

1 stop11h 21m

$600

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Thu 7/3

4:30 pm-3:23 pm

1 stop19h 53m

Nantucket Memorial

Tue 7/8

5:00 pm-12:59 am

1 stop10h 59m

$815

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sat 7/12

10:45 pm-10:28 am

1 stop8h 43m

$141

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sat 8/9

12:45 am-3:53 pm

2 stops12h 08m

$147

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Thu 7/10

12:50 am-4:05 pm

2 stops12h 15m

$180

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 7/13

11:25 pm-10:29 am

1 stop8h 04m

$223

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Thu 7/3

3:15 pm-3:15 pm

1 stop21h 00m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

Rainfall in Nantucket by month

Plan your trip to Nantucket by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Nantucket ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Nantucket when rainfall is around 1.6 in.

Temperature in Nantucket by month

Plan your trip to Nantucket by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Nantucket, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
JetBlue
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 are the cheapest airlines flying 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 $344 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $442 and $520 round-trip.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $141. Users have also found prices from $147 and $180 on American Airlines and Delta, 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$340Average$578FlexibilityNo cancel feeOn-time62%

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