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 $301 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $524 and $569 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 $268. Users have also found prices from $299 and $344 on Delta and JetBlue, respectively.

What is the cheapest day to fly from San Francisco to Nantucket?

Travelers seeking maximum savings on their San Francisco to Nantucket flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Departing on a Friday is a good option for securing a great price. You can expect to save up to 80% when planning your travel around this day of the week.

How far in advance should I book a flight from San Francisco to Nantucket?

To save up to 60% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Nantucket from $403 1-2 weeks out and tickets from $530 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco to Nantucket?

January can be a great time to fly to Nantucket from San Francisco with a flight ticket averaging about $373. Cheapflights users have found deals in the month of January for as cheap as $118. The most expensive prices can be found in the month of June.

Most accurate provider : When it comes to deals on San Francisco-Nantucket flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Nantucket flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

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.

$268+ Flights from San Francisco to Nantucket - Compare & Save Big

Q: E

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.

Q: E

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).

Q: What is the cheapest time of day to fly from SFO to ACK?

It’s optimal to fly from San Francisco to Nantucket at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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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

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Cheap flight deals from San Francisco to Nantucket

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$301 (JetBlue)
One-way from	$268 (United Airlines)
Popular in	June
Cheapest in	January
Average price	$393

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.

Search Deals

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. 11% potential increase in price ($49 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 May 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 May 23, 2025.

Thu 7/1011:25 pmSFO - ACK

1 stop11h 00mJetBlue

Mon 7/143:08 pmACK - SFO

1 stop12h 27mJetBlue

Deal found 5/22

$301

Mon 6/2311:55 pmSFO - ACK

2 stops12h 26mAmerican Airlines

Sat 6/281:40 pmACK - SFO

2 stops10h 47mAmerican Airlines

Deal found 5/21

$432

Mon 6/210:33 pmSFO - ACK

2 stops9h 51mDelta

Wed 6/42:12 pmACK - SFO

2 stops12h 52mDelta

Deal found 5/21

$522

Sun 8/249:15 pmSFO - ACK

1 stop10h 04mUnited Airlines

Fri 9/124:05 pmACK - SFO

2 stops18h 45mUnited Airlines

Deal found 5/22

$596

Tue 6/106:59 pmSFO - ACK

2 stops13h 51mMultiple Airlines

Thu 6/123:55 pmACK - SFO

2 stops10h 55mMultiple Airlines

Deal found 5/22

$1,090

Best flights from San Francisco to Nantucket
Discover carefully curated flight deals from San Francisco to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2025.

Thu 7/1011:25 pmSFO - ACK

1 stop11h 00mJetBlue

Mon 7/143:08 pmACK - SFO

1 stop12h 27mJetBlue

Deal found 5/22

$301

Sat 6/2811:55 pmSFO - ACK

2 stops9h 57mAmerican Airlines

Sat 7/121:34 pmACK - SFO

2 stops10h 55mAmerican Airlines

Deal found 5/22

$524

Tue 7/2211:59 pmSFO - ACK

2 stops13h 06mDelta

Fri 8/13:22 pmACK - SFO

1 stop11h 25mDelta

Deal found 5/22

$569

Sun 8/249:15 pmSFO - ACK

1 stop10h 04mUnited Airlines

Fri 9/124:05 pmACK - SFO

2 stops18h 45mUnited Airlines

Deal found 5/22

$596

Tue 6/106:59 pmSFO - ACK

2 stops13h 51mMultiple Airlines

Thu 6/123:55 pmACK - SFO

2 stops10h 55mMultiple Airlines

Deal found 5/22

$1,090

Last-minute flights from San Francisco to Nantucket
Discover last-minute flight deals from San Francisco to Nantucket. Data last updated May 23, 2025 and is based on user searches.

Mon 6/26:00 amSFO - ACK

1 stop8h 16mJetBlue

Wed 6/410:45 amACK - SFO

1 stop11h 49mJetBlue

Deal found 5/21

$567

Mon 6/210:33 pmSFO - ACK

2 stops11h 59mDelta

Wed 6/42:12 pmACK - SFO

1 stop9h 35mDelta

Deal found 5/21

$789

Mon 6/99:35 pmSFO - ACK

2 stops14h 05mDelta

Thu 6/123:20 pmACK - SFO

1 stop11h 32mDelta

Deal found 5/22

$694

Tue 6/106:00 amSFO - ACK

1 stop8h 16mJetBlue

Thu 6/125:55 pmACK - SFO

1 stop9h 51mJetBlue

Deal found 5/22

$364

Tue 6/106:59 pmSFO - ACK

2 stops13h 51mMultiple Airlines

Thu 6/123:55 pmACK - SFO

2 stops10h 55mMultiple Airlines

Deal found 5/22

$1,090

Sat 6/2811:55 pmSFO - ACK

2 stops9h 57mAmerican Airlines

Sat 7/121:34 pmACK - SFO

2 stops10h 55mAmerican Airlines

Deal found 5/22

$524

One-way flights from San Francisco to Nantucket
Search for one-way flight options from San Francisco to Nantucket. Find affordable one-way fares based on user searches. Data last updated May 23, 2025.

Fri 7/1111:20 pmSFO - ACK

1 stop8h 08mUnited Airlines

Deal found 5/22

$268

Mon 6/210:33 pmSFO - ACK

2 stops11h 59mDelta

Deal found 5/21

$299

Mon 6/26:00 amSFO - ACK

1 stop8h 16mJetBlue

Deal found 5/21

$344

Sun 6/1511:59 pmSFO - ACK

2 stops10h 47mMultiple Airlines

Deal found 5/21

$537

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Thu 7/10

11:25 pm-1:25 pm

1 stop11h 00m

Nantucket Memorial

Mon 7/14

3:08 pm-12:35 am

1 stop12h 27m

$301

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 6/23

11:55 pm-3:21 pm

2 stops12h 26m

Nantucket Memorial

Sat 6/28

1:40 pm-9:27 pm

2 stops10h 47m

$432

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 6/2

10:33 pm-11:24 am

2 stops9h 51m

Nantucket Memorial

Wed 6/4

2:12 pm-12:04 am

2 stops12h 52m

$522

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Tue 6/10

6:59 pm-11:50 am

2 stops13h 51m

Nantucket Memorial

Thu 6/12

3:55 pm-11:50 pm

2 stops10h 55m

$1,090

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Tue 7/1

9:15 pm-10:28 am

1 stop10h 13m

Nantucket Memorial

Sun 7/6

4:32 pm-10:38 pm

1 stop9h 06m

$1,843

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Fri 7/11

11:20 pm-10:28 am

1 stop8h 08m

$268

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 6/2

10:33 pm-1:32 pm

2 stops11h 59m

$299

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Mon 6/2

6:00 am-5:16 pm

1 stop8h 16m

$344

San FranciscoNantucket

SFO - ACK

SFOACK

San Francisco

Sun 6/15

11:59 pm-1:46 pm

2 stops10h 47m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Most accurate provider: When it comes to deals on San Francisco-Nantucket flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Nantucket flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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 time of day to fly from SFO to ACK?

It’s optimal to fly from San Francisco to Nantucket at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

Rainfall in Nantucket 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

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

To help decide which airline to fly from San Francisco to Nantucket, see what other customers have to say about Delta, United Airlines and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

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

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

8,745 reviews

Delta

8.0

Very good

7,950 reviews

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

2,929 reviews

Delta

8.0

Very good

7,950 reviews

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

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

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 $301 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $524 and $569 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 $268. Users have also found prices from $299 and $344 on Delta and JetBlue, 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

Top airline flying from San Francisco to Nantucket

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$330	Average$632	FlexibilityNo cancel fee	On-time62%

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$268+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Nantucket with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Nantucket

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Nantucket

Cheapest flights from San Francisco to NantucketExplore 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 May 23, 2025.

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 May 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Nantucket that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Nantucket

What is the cheapest time of day to fly from SFO to ACK?

Find hourly flight availability from San Francisco to Nantucket. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 23, 2025.

Rainfall in Nantucket by month

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

Temperature in Nantucket by month

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

Reviews of airlines servicing Nantucket

To help decide which airline to fly from San Francisco to Nantucket, see what other customers have to say about Delta, United Airlines and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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Top airline flying from San Francisco to Nantucket

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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 May 23, 2025.