$173+ Cheap flights from Boston (BOS) to Fremont, CA
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Fremont 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.Cheapflights Tip: The best prices from Boston Logan Intl to Fremont are usually found in January or November, booked 28 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Boston to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to FremontExplore the most affordable flight options available from Boston to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Boston to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 11/512:39 pm -
1 stop11h 01m
Mon 11/910:17 pm -
1 stop10h 13m
Deal found 9/16![Frontier logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop12h 05m
Tue 10/274:43 pm -
1 stop9h 45m
Deal found 9/17![Alaska Airlines logo]()
$327
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/304:10 pm -
1 stop10h 48m
Sat 11/78:55 pm -
1 stop7h 55m
Deal found 9/17![JetBlue logo]()
$328
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop8h 35m
Tue 10/2711:40 pm -
1 stop9h 50m
Deal found 9/17![Southwest logo]()
$329
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:39 pm -
1 stop11h 01m
Wed 11/1110:17 pm -
1 stop10h 27m
Deal found 9/16![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/1012:15 pm -
2 stops23h 04m
Tue 11/1710:17 pm -
1 stop10h 27m
Deal found 9/20![Frontier logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop10h 20m
Wed 10/283:32 pm -
2 stops11h 40m
Deal found 9/17![Alaska Airlines logo]()
$332
This JetBlue deal was found by Cheapflights users on 9/16. 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 12/46:30 pm -
Nonstop6h 50m
Mon 12/711:32 pm -
1 stop8h 14m
Deal found 9/16![JetBlue logo]()
$333
This Expedia deal was found by Cheapflights users on 9/18. 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.
Thu 10/226:40 pm -
1 stop17h 09m
Mon 11/210:17 pm -
1 stop10h 13m
Deal found 9/18![Multiple Airlines logo]()
$334
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/314:10 pm -
1 stop10h 48m
Thu 11/510:44 am -
Nonstop5h 41m
Deal found 9/17![JetBlue logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Wed 11/117:13 am -
1 stop9h 57m
Mon 11/1610:17 pm -
1 stop10h 13m
Deal found 9/17![Multiple Airlines logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:13 am -
1 stop9h 57m
Tue 11/178:33 am -
1 stop12h 25m
Deal found 9/16![Alaska Airlines logo]()
$337
Best flights from Boston to FremontDiscover carefully curated flight deals from Boston to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Boston to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:13 am -
1 stop11h 48m
Wed 11/183:08 pm -
1 stop11h 32m
Deal found 9/16![Alaska Airlines logo]()
$327
This JetBlue deal was found by Cheapflights users on 9/18. 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.
Wed 11/114:10 pm -
1 stop10h 44m
Sun 11/1512:14 pm -
Nonstop5h 46m
Deal found 9/18![JetBlue logo]()
$335
This Delta deal was found by Cheapflights users on 9/16. 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 10/275:45 pm -
Nonstop6h 38m
Thu 10/297:00 am -
Nonstop5h 45m
Deal found 9/16![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/145:45 am -
1 stop8h 37m
Wed 10/212:05 pm -
Nonstop5h 52m
Deal found 9/18![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
1 stop10h 55m
Sun 11/156:00 pm -
2 stops11h 20m
Deal found 9/16![Southwest logo]()
$386
This JetBlue deal was found by Cheapflights users on 9/20. 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 12/47:40 pm -
Nonstop6h 46m
Tue 12/810:51 am -
1 stop9h 57m
Deal found 9/20![JetBlue logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop12h 05m
Sun 10/258:20 am -
1 stop18h 08m
Deal found 9/16![Alaska Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:10 am -
2 stops12h 10m
Tue 12/88:20 am -
2 stops10h 30m
Deal found 9/20![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 10/157:45 am -
Nonstop6h 30m
Sun 10/1810:42 pm -
1 stop7h 51m
Deal found 9/20![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop10h 20m
Fri 10/306:07 am -
1 stop8h 28m
Deal found 9/19![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 10/107:45 am -
Nonstop6h 40m
Fri 10/163:00 pm -
Nonstop5h 39m
Deal found 9/16![Delta logo]()
$442
This JetBlue deal was found by Cheapflights users on 9/19. 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.
Thu 12/175:45 am -
1 stop9h 05m
Thu 12/248:14 am -
Nonstop5h 35m
Deal found 9/19![JetBlue logo]()
$425
Last-minute flights from Boston to FremontDiscover last-minute flight deals from Boston to Fremont. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Fremont. Data last updated September 21, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:45 am -
2 stops11h 25m
Sat 10/2411:10 am -
1 stop8h 00m
Deal found 9/16![Southwest logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop10h 20m
Sat 10/247:11 pm -
1 stop9h 15m
Deal found 9/16![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:03 am -
1 stop10h 20m
Wed 10/283:32 pm -
2 stops11h 40m
Deal found 9/17![Alaska Airlines logo]()
$332
This Priceline deal was found by Cheapflights users on 9/18. 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.
Wed 10/217:00 am -
Nonstop6h 29m
Sun 11/110:17 pm -
1 stop10h 27m
Deal found 9/18![Multiple Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 9/18. 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.
Thu 10/226:40 pm -
1 stop17h 09m
Mon 11/210:17 pm -
1 stop10h 13m
Deal found 9/18![Multiple Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop8h 35m
Tue 10/2711:40 pm -
1 stop9h 50m
Deal found 9/17![Southwest logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/247:03 am -
1 stop10h 20m
Fri 10/3010:17 pm -
1 stop9h 15m
Deal found 9/17![Multiple Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:03 am -
1 stop12h 05m
Thu 11/1210:39 am -
1 stop10h 19m
Deal found 9/16![Alaska Airlines logo]()
$337
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/304:10 pm -
1 stop10h 48m
Sat 11/78:55 pm -
1 stop7h 55m
Deal found 9/17![JetBlue logo]()
$328
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:39 pm -
1 stop11h 01m
Wed 11/1110:17 pm -
1 stop10h 27m
Deal found 9/16![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:05 am -
2 stops10h 30m
Tue 11/311:35 pm -
2 stops11h 55m
Deal found 9/17![Southwest logo]()
$340
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/314:10 pm -
1 stop10h 48m
Thu 11/510:44 am -
Nonstop5h 41m
Deal found 9/17![JetBlue logo]()
$335
One-way flights from Boston to FremontSearch for one-way flight options from Boston to Fremont. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Boston to Fremont. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This KAYAK deal was found by Cheapflights users on 9/18. 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 12/38:00 am -
Nonstop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![JetBlue logo]()
$173
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/219:20 am -
Nonstop6h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$174
This KAYAK deal was found by Cheapflights users on 9/17. 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.
Tue 10/139:29 pm -
Nonstop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$175
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Tue 12/156:00 am -
Nonstop6h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![JetBlue logo]()
$176
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:10 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$177
This KAYAK deal was found by Cheapflights users on 9/17. 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.
Sat 10/177:00 am -
Nonstop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$178
This JetBlue deal was found by Cheapflights users on 9/19. 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 10/274:10 pm -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![JetBlue logo]()
$180
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Tue 10/209:35 pm -
Nonstop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![JetBlue logo]()
$181
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:09 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/173:31 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 9/21. 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.
Sat 10/177:45 am -
Nonstop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$184
Find flight deals from Boston to Fremont
Keep the following information in mind while searching for Boston to Fremont flight deals. Data was last updated September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Southwest) |
One-way from | $173 (KAYAK) |
Popular in | June |
Cheapest in | January |
Average price | $431 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Fremont 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 21, 2026.
Use the filters below to find and compare flights from Boston to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Sat 10/31
8:05 am-11:54 am
Nonstop6h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Wed 10/7
5:45 am-11:22 am
1 stop8h 37m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Thu 11/5
8:05 am-11:54 am
Nonstop6h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
Quickest round-trip
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Sat 10/3
7:45 am-11:15 am
Nonstop6h 30m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Fri 11/20
7:10 am-10:59 am
Nonstop6h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Sat 10/3
5:35 am-2:35 pm
2 stops12h 00m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Fri 12/18
6:45 am-10:55 pm
1 stop19h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$238
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Mon 12/14
7:00 am-8:31 pm
2 stops16h 31m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$247
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Wed 10/14
7:45 am-11:25 am
Nonstop6h 40m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
BostonSan Francisco
BOS Boston Logan Intl - SFO San Francisco
BOSSFO
Boston Logan Intl
Sat 11/21
1:20 pm-10:55 pm
2 stops12h 35m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$264
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Boston to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from Boston with our price prediction graph.
BOS-SFO
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 Boston to Fremont
BOS-FR8
BOS-SFO
What is the cheapest time of day to fly from BOS to FR8?
Find hourly flight availability from Boston to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 21, 2026.
It’s typically best to fly out from Boston to Fremont in the evening. Doing so could potentially save you 55% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Boston to Fremont
Explore weekly flight availability from Boston to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 21, 2026.
The most flights from BOS to FR8 are scheduled on a Friday (44 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (28 on average).
How much does it cost to fly round-trip from Boston to Fremont?
Airfare is below average for this route at the moment.
Boston to Fremont flights typically cost between $350 and $538 in February.The cheapest round-trip price found within the last 5 days was $326 on Southwest (Feb 16-Feb 25).
What is the cheapest day to fly from Boston to Fremont?
Use this chart to determine the cheapest time to fly round-trip from Boston to Fremont. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Boston to Fremont flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Fremont
Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated September 21, 2026.
Read through reviews of airlines operating flights from Boston to Fremont, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
Find useful and relevant information for your journey from Boston to Fremont. 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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Boston and Fremont flights
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Top 8 airlines flying from Boston to Fremont
Discover the top 8 airlines that operate flights from Boston to Fremont. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$410 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$351 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$206 | Average$379 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$275 | Average$441 | FlexibilityNo cancel fee | On-time71% |