$411+ Cheap flights from San Francisco to Nantucket (SFO - ACK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ACK
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 September 9, 2026.
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 September 9, 2026.
This JetBlue deal was found by Cheapflights users on 9/8. 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 9/298:29 pm -
1 stop11h 06m
Sat 10/33:32 pm -
1 stop12h 24m
Deal found 9/8![JetBlue logo]()
$657
This Priceline deal was found by Cheapflights users on 9/4. 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.
Sat 9/1210:10 pm -
1 stop10h 12m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![JetBlue logo]()
$881
This FlightHub deal was found by Cheapflights users on 9/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:37 pm -
1 stop23h 12m
Wed 11/182:06 pm -
1 stop8h 29m
Deal found 9/7![Multiple Airlines logo]()
$910
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:39 pm -
1 stop17h 43m
Mon 9/283:10 pm -
1 stop22h 03m
Deal found 9/8![JetBlue logo]()
$939
This Priceline deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:37 pm -
1 stop8h 38m
Wed 10/289:40 am -
1 stop12h 55m
Deal found 9/5![Multiple Airlines logo]()
$959
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:59 pm -
1 stop18h 22m
Mon 10/123:28 pm -
1 stop24h 58m
Deal found 9/6![JetBlue logo]()
$960
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:39 pm -
1 stop19h 37m
Mon 10/123:28 pm -
1 stop24h 58m
Deal found 9/5![JetBlue logo]()
$970
This Expedia deal was found by Cheapflights users on 9/4. 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.
Sat 9/127:22 pm -
2 stops12h 03m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![Multiple Airlines logo]()
$999
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:37 pm -
1 stop16h 12m
Wed 10/214:10 pm -
1 stop11h 55m
Deal found 9/6![Multiple Airlines logo]()
$1,026
Best flights from San Francisco to NantucketDiscover 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 September 9, 2026.
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 September 9, 2026.
This JetBlue deal was found by Cheapflights users on 9/8. 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 9/298:29 pm -
1 stop11h 06m
Sat 10/33:32 pm -
1 stop12h 24m
Deal found 9/8![JetBlue logo]()
$657
This FlightHub deal was found by Cheapflights users on 9/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:37 pm -
1 stop23h 12m
Wed 11/182:06 pm -
1 stop8h 29m
Deal found 9/7![Multiple Airlines logo]()
$910
This Priceline deal was found by Cheapflights users on 9/4. 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.
Sat 9/1210:10 pm -
1 stop10h 12m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![JetBlue logo]()
$881
This Priceline deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:37 pm -
1 stop8h 38m
Wed 10/289:40 am -
1 stop12h 55m
Deal found 9/5![Multiple Airlines logo]()
$959
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:59 pm -
1 stop18h 22m
Mon 10/123:28 pm -
1 stop24h 58m
Deal found 9/6![JetBlue logo]()
$960
This Expedia deal was found by Cheapflights users on 9/4. 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.
Sat 9/127:22 pm -
2 stops12h 03m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![Multiple Airlines logo]()
$999
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:29 pm -
1 stop11h 06m
Mon 9/283:10 pm -
1 stop12h 46m
Deal found 9/8![JetBlue logo]()
$1,049
Last-minute flights from San Francisco to NantucketDiscover last-minute flight deals from San Francisco to Nantucket. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Nantucket. Data last updated September 9, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/4. 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.
Sat 9/1210:10 pm -
1 stop10h 12m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![JetBlue logo]()
$881
This Expedia deal was found by Cheapflights users on 9/4. 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.
Sat 9/127:22 pm -
2 stops12h 03m
Sat 9/262:30 pm -
1 stop13h 26m
Deal found 9/4![Multiple Airlines logo]()
$999
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:39 pm -
1 stop17h 43m
Mon 9/283:10 pm -
1 stop22h 03m
Deal found 9/8![JetBlue logo]()
$939
This JetBlue deal was found by Cheapflights users on 9/8. 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 9/298:29 pm -
1 stop11h 06m
Sat 10/33:32 pm -
1 stop12h 24m
Deal found 9/8![JetBlue logo]()
$657
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:39 pm -
1 stop19h 37m
Mon 10/123:28 pm -
1 stop24h 58m
Deal found 9/5![JetBlue logo]()
$970
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:59 pm -
1 stop18h 22m
Mon 10/123:28 pm -
1 stop24h 58m
Deal found 9/6![JetBlue logo]()
$960
This FlightHub deal was found by Cheapflights users on 9/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:37 pm -
1 stop23h 12m
Wed 11/182:06 pm -
1 stop8h 29m
Deal found 9/7![Multiple Airlines logo]()
$910
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:37 pm -
1 stop16h 12m
Wed 10/214:10 pm -
1 stop11h 55m
Deal found 9/6![Multiple Airlines logo]()
$1,026
This Priceline deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:37 pm -
1 stop8h 38m
Wed 10/289:40 am -
1 stop12h 55m
Deal found 9/5![Multiple Airlines logo]()
$959
One-way flights from San Francisco to NantucketSearch for one-way flight options from San Francisco to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from San Francisco to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:37 pm -
1 stop10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:17 pm -
2 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$463
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:15 pm -
3 stops19h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$684
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:29 pm -
1 stop11h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$925
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 9/2212:35 am -
2 stops11h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$997
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:29 pm -
1 stop11h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$1,070
Find 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 September 9, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $657 (JetBlue) |
One-way from | $411 (Cheapflightsfares) |
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 7,457,451 searches. Data last updated September 9, 2026.
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
Cheapest round-trip
Quickest round-trip
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Sun 10/11
9:37 pm-11:21 am
1 stop10h 44m
Nantucket Memorial
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$411
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Tue 10/27
10:17 pm-9:15 am
2 stops31h 58m
Nantucket Memorial
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$463
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Tue 9/29
8:29 pm-10:35 am
1 stop11h 06m
Nantucket Memorial
Sat 10/3
3:32 pm-12:56 am
1 stop12h 24m
$657
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Sat 9/12
10:10 pm-11:22 am
1 stop10h 12m
Nantucket Memorial
Sat 9/26
2:30 pm-12:56 am
1 stop13h 26m
$881
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Wed 10/14
2:37 pm-4:49 pm
1 stop23h 12m
Nantucket Memorial
Wed 11/18
2:06 pm-7:35 pm
1 stop8h 29m
$910
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Thu 9/24
8:29 pm-10:35 am
1 stop11h 06m
Nantucket Memorial
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$925
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Tue 10/20
9:37 pm-9:15 am
1 stop8h 38m
Nantucket Memorial
Wed 10/28
9:40 am-7:35 pm
1 stop12h 55m
$959
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Sat 10/10
1:59 pm-11:21 am
1 stop18h 22m
Nantucket Memorial
Mon 10/12
3:28 pm-1:26 pm
1 stop24h 58m
$960
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Tue 9/22
12:35 am-3:03 pm
2 stops11h 28m
Nantucket Memorial
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$997
San FranciscoNantucket
SFO San Francisco - ACK Nantucket Memorial
SFOACK
San Francisco
Sat 9/12
7:22 pm-10:25 am
2 stops12h 03m
Nantucket Memorial
Sat 9/26
2:30 pm-12:56 am
1 stop13h 26m
$999
Showing 1-10 of 12 resultsSorted by cheapest first
- 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.
SFO-ACK
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 September 9, 2026.
Read through reviews of airlines operating flights from San Francisco to Nantucket, such as United Airlines,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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.
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Complete your trip
Complete your trip to Nantucket by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Nantucket
Explore flights to Nantucket departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
San Francisco and Nantucket flights
Browse other San Francisco and Nantucket flight options. Last updated on September 9, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Francisco to Nantucket
Discover the top 3 airlines 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$380 | Average$794 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$660 | Average$841 | FlexibilityNo cancel fee | On-time69% |