$244+ 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
May 10 — May 171
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
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
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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 April 10, 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 April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:18 am
SFO
- ACK
1 stop9h 03m
American Airlines
Wed 7/83:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/9![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:40 am
SFO
- ACK
2 stops9h 47m
Delta
Tue 8/252:10 pm
ACK
- SFO
1 stop10h 04m
Delta
Deal found 4/9![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:40 am
SFO
- ACK
2 stops9h 47m
Delta
Wed 8/2610:00 am
ACK
- SFO
2 stops15h 34m
Delta
Deal found 4/9![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:59 pm
SFO
- ACK
2 stops13h 28m
Delta
Wed 8/192:10 pm
ACK
- SFO
1 stop11h 57m
Delta
Deal found 4/7![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:18 am
SFO
- ACK
1 stop9h 03m
American Airlines
Wed 7/83:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/6![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 pm
SFO
- ACK
2 stops12h 41m
American Airlines
Thu 8/201:38 pm
ACK
- SFO
2 stops12h 35m
American Airlines
Deal found 4/6![American Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:59 pm
SFO
- ACK
2 stops13h 28m
Delta
Thu 8/202:10 pm
ACK
- SFO
1 stop11h 57m
Delta
Deal found 4/7![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 8/156:50 pm
SFO
- ACK
2 stops12h 41m
American Airlines
Sat 8/225:13 pm
ACK
- SFO
1 stop9h 15m
American Airlines
Deal found 4/7![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:18 am
SFO
- ACK
1 stop9h 08m
American Airlines
Wed 7/223:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/6![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:40 am
SFO
- ACK
2 stops9h 47m
Delta
Tue 8/182:10 pm
ACK
- SFO
1 stop10h 04m
Delta
Deal found 4/7![Delta logo]()
$376
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 April 10, 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 April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:18 am
SFO
- ACK
1 stop9h 03m
American Airlines
Wed 7/83:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/9![American Airlines logo]()
$282
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:50 pm
SFO
- ACK
1 stop8h 22m
JetBlue
Mon 7/136:02 pm
ACK
- SFO
1 stop9h 29m
JetBlue
Deal found 4/6![JetBlue logo]()
$544
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:18 am
SFO
- ACK
1 stop9h 03m
American Airlines
Wed 7/83:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/6![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/511:29 pm
SFO
- ACK
2 stops13h 52m
American Airlines
Mon 7/133:38 pm
ACK
- SFO
1 stop10h 21m
American Airlines
Deal found 4/6![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 4/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:47 pm
SFO
- ACK
2 stops20h 15m
American Airlines
Sat 6/2012:16 pm
ACK
- SFO
1 stop14h 31m
American Airlines
Deal found 4/8![American Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 4/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:18 am
SFO
- ACK
1 stop11h 50m
American Airlines
Mon 7/133:38 pm
ACK
- SFO
1 stop12h 21m
American Airlines
Deal found 4/5![American Airlines logo]()
$708
Last-minute flights from San Francisco to NantucketDiscover last-minute flight deals from San Francisco to Nantucket. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Nantucket. Data last updated April 10, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/6. 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.
Fri 4/106:40 pm
SFO
- ACK
2 stops11h 45m
Multiple Airlines
Wed 4/157:00 am
ACK
- SFO
2 stops12h 40m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,120
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:07 pm
SFO
- ACK
3 stops33h 22m
Multiple Airlines
Sun 4/192:16 pm
ACK
- SFO
3 stops29h 49m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$1,445
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:45 pm
SFO
- ACK
1 stop9h 40m
JetBlue
Sun 4/194:04 pm
ACK
- SFO
1 stop10h 55m
JetBlue
Deal found 4/10![JetBlue logo]()
$1,715
This deal was found by Cheapflights users on 4/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
SFO
- ACK
1 stop7h 33m
JetBlue
Mon 5/256:05 pm
ACK
- SFO
1 stop10h 01m
JetBlue
Deal found 4/6![JetBlue logo]()
$1,040
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 April 10, 2026.
Search for one-way flight options from San Francisco to Nantucket. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This JetBlue deal was found by Cheapflights users on 4/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:25 pm
SFO
- ACK
1 stop11h 10m
JetBlue
Deal found 4/9![JetBlue logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:15 pm
SFO
- ACK
1 stop10h 00m
JetBlue
Deal found 4/10![JetBlue logo]()
$251
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 6/2312:18 am
SFO
- ACK
1 stop9h 03m
American Airlines
Deal found 4/7![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Fri 7/38:11 pm
SFO
- ACK
2 stops13h 15m
American Airlines
Deal found 4/7![American Airlines logo]()
$308
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:50 pm
SFO
- ACK
1 stop8h 35m
JetBlue
Deal found 4/7![JetBlue logo]()
$311
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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.
Tue 6/911:59 pm
SFO
- ACK
1 stop9h 28m
JetBlue
Deal found 4/8![JetBlue logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:05 am
SFO
- ACK
2 stops20h 30m
United Airlines
Deal found 4/8![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:40 am
SFO
- ACK
2 stops9h 47m
Delta
Deal found 4/6![Delta logo]()
$400
This American Airlines deal was found by Cheapflights users on 4/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:49 pm
SFO
- ACK
2 stops59h 24m
American Airlines
Deal found 4/8![American Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/152:17 pm
SFO
- ACK
2 stops21h 30m
United Airlines
Deal found 4/9![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 4/10. 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.
Thu 7/912:51 am
SFO
- ACK
2 stops10h 50m
Delta
Deal found 4/10![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 6/246:25 am
SFO
- ACK
2 stops24h 50m
United Airlines
Deal found 4/7![United Airlines logo]()
$496
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 April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (American Airlines) |
One-way from | $244 (JetBlue) |
Popular in | December |
Cheapest in | January |
Average price | $440 |
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 April 10, 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
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Tue 6/23
12:18 am-12:21 pm
1 stop9h 03m
Nantucket Memorial
Wed 7/8
3:38 pm-10:59 pm
1 stop10h 21m
$282
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Mon 6/22
12:18 am-12:21 pm
1 stop9h 03m
Nantucket Memorial
Wed 7/8
3:38 pm-10:59 pm
1 stop10h 21m
$336
Quickest round-trip
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Mon 7/6
11:50 pm-11:12 am
1 stop8h 22m
Nantucket Memorial
Mon 7/13
6:02 pm-12:31 am
1 stop9h 29m
$544
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Sun 7/5
11:29 pm-4:21 pm
2 stops13h 52m
Nantucket Memorial
Mon 7/13
3:38 pm-10:59 pm
1 stop10h 21m
$608
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Fri 6/12
2:47 pm-2:02 pm
2 stops20h 15m
Nantucket Memorial
Sat 6/20
12:16 pm-11:47 pm
1 stop14h 31m
$665
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Wed 7/1
12:18 am-3:08 pm
1 stop11h 50m
Nantucket Memorial
Mon 7/13
3:38 pm-12:59 am
1 stop12h 21m
$708
Cheapest one-way
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Tue 9/15
8:25 pm-10:35 am
1 stop11h 10m
$244
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Fri 7/10
10:15 pm-11:15 am
1 stop10h 00m
$251
Quickest one-way
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Fri 7/3
11:50 pm-11:25 am
1 stop8h 35m
$311
San FranciscoNantucket
SFO - ACK
SFOACK
San Francisco
Tue 6/9
11:59 pm-12:27 pm
1 stop9h 28m
$366
Showing 1-10 of 17 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Nantucket flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Nantucket
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 April 10, 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.
Entertainment
7.2
Comfort
7.5
Crew
7.9
Overall
7.2
Boarding
7.3
Food
6.6
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
FLL - ORH
Entertainment
7.2
Comfort
7.5
Crew
7.9
Overall
7.2
Boarding
7.3
Food
6.6
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
FLL - ORH
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.
Search flights from San Francisco to Nantucket by cabin class
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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 April 10, 2026.
San Francisco and Nantucket flights
Browse other San Francisco and Nantucket flight options. Last updated on April 10, 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 April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$309 | Average$547 | FlexibilityNo cancel fee | On-time62% |