$156+ Cheap flights from Boston (BOS) to Fremont, CA
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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Jun 12 — Jun 191
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 September, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Boston to Fremont
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Last-minute
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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 May 13, 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 May 13, 2026.
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Sun 5/317:40 am
SFO
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$300
This Vliegwinkel deal was found by Cheapflights users on 5/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
BOS
- SFO
1 stop16h 34m
Multiple Airlines
Tue 6/23:10 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$301
This Cheapflightsfares deal was found by Cheapflights users on 5/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Tue 7/2110:17 pm
SFO
- BOS
Nonstop5h 43m
JetBlue
Deal found 5/9![JetBlue logo]()
$302
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:01 pm
BOS
- SFO
1 stop10h 56m
Multiple Airlines
Sun 6/76:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$304
This Orbitz deal was found by Cheapflights users on 5/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:15 am
BOS
- SFO
Nonstop6h 43m
Multiple Airlines
Tue 6/96:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$305
This Orbitz deal was found by Cheapflights users on 5/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
BOS
- SFO
1 stop16h 13m
Multiple Airlines
Tue 7/143:19 pm
SFO
- BOS
Nonstop5h 40m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$306
This JetBlue deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Tue 7/283:19 pm
SFO
- BOS
Nonstop5h 40m
JetBlue
Deal found 5/11![JetBlue logo]()
$307
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:04 pm
BOS
- SFO
1 stop10h 09m
Multiple Airlines
Mon 8/107:55 am
SFO
- BOS
1 stop18h 45m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$309
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:14 am
BOS
- SFO
1 stop12h 59m
Multiple Airlines
Tue 8/1110:32 am
SFO
- BOS
1 stop16h 08m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:20 am
BOS
- SFO
1 stop9h 44m
Alaska Airlines
Wed 5/274:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Sat 6/66:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$312
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 May 13, 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 May 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- SFO
1 stop9h 41m
Alaska Airlines
Tue 6/26:58 pm
SFO
- BOS
1 stop8h 26m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:45 pm
BOS
- SFO
2 stops10h 30m
Southwest
Fri 7/37:45 pm
SFO
- BOS
2 stops11h 05m
Southwest
Deal found 5/8![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:55 pm
BOS
- SFO
Nonstop6h 57m
Delta
Mon 9/2112:20 pm
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 5/12![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:20 am
BOS
- SFO
Nonstop6h 23m
United Airlines
Sat 10/1010:45 pm
SFO
- BOS
1 stop8h 03m
United Airlines
Deal found 5/11![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:05 am
BOS
- SFO
1 stop11h 56m
Alaska Airlines
Tue 6/95:41 pm
SFO
- BOS
1 stop9h 03m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 5/10. 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.
Wed 10/287:55 am
BOS
- SFO
Nonstop6h 59m
Delta
Sun 11/17:00 am
SFO
- BOS
Nonstop5h 43m
Delta
Deal found 5/10![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:15 am
BOS
- SFO
2 stops11h 10m
Southwest
Tue 8/256:50 am
SFO
- BOS
2 stops11h 35m
Southwest
Deal found 5/11![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 7/310:05 am
BOS
- SFO
Nonstop6h 40m
Delta
Fri 8/283:00 pm
SFO
- BOS
Nonstop5h 41m
Delta
Deal found 5/10![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:09 am
BOS
- SFO
1 stop10h 40m
Alaska Airlines
Sat 9/196:58 pm
SFO
- BOS
1 stop8h 11m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:25 pm
BOS
- SFO
1 stop9h 05m
Southwest
Mon 7/610:50 pm
SFO
- BOS
2 stops10h 20m
Southwest
Deal found 5/12![Southwest logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:30 am
BOS
- SFO
1 stop10h 01m
Alaska Airlines
Thu 9/175:15 pm
SFO
- BOS
1 stop9h 34m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:15 pm
BOS
- SFO
2 stops10h 40m
Southwest
Wed 8/197:40 am
SFO
- BOS
2 stops13h 25m
Southwest
Deal found 5/12![Southwest logo]()
$437
Last-minute flights from Boston to FremontDiscover last-minute flight deals from Boston to Fremont. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Fremont. Data last updated May 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sat 5/306:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$304
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Wed 5/277:20 am
SFO
- BOS
1 stop19h 24m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$319
This CheapOair deal was found by Cheapflights users on 5/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:11 pm
BOS
- SFO
1 stop17h 07m
Alaska Airlines
Mon 6/17:40 am
SFO
- BOS
1 stop19h 40m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$312
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:40 pm
BOS
- SFO
Nonstop6h 43m
Multiple Airlines
Sat 6/66:16 am
SFO
- BOS
1 stop20h 28m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$313
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Wed 5/274:44 pm
SFO
- BOS
1 stop10h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$314
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:11 pm
BOS
- SFO
1 stop17h 07m
Alaska Airlines
Wed 5/274:44 pm
SFO
- BOS
1 stop10h 00m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:45 pm
BOS
- SFO
Nonstop6h 39m
Delta
Tue 6/21:00 pm
SFO
- BOS
Nonstop5h 50m
Delta
Deal found 5/8![Delta logo]()
$322
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Sat 5/306:00 am
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$324
This Priceline deal was found by Cheapflights users on 5/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:01 pm
BOS
- SFO
1 stop10h 33m
Multiple Airlines
Fri 5/291:08 pm
SFO
- BOS
Nonstop5h 48m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$329
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:48 pm
BOS
- SFO
1 stop19h 30m
Alaska Airlines
Sat 5/306:16 am
SFO
- BOS
1 stop20h 28m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$332
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 May 13, 2026.
Search for one-way flight options from Boston to Fremont. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This SmartFares deal was found by Cheapflights users on 5/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/128:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 5/9![JetBlue logo]()
$156
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:12 am
BOS
- SFO
1 stop13h 22m
Frontier
Deal found 5/9![Frontier logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 5/276:00 am
BOS
- SFO
1 stop9h 41m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$159
This Super.com deal was found by Cheapflights users on 5/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:01 pm
BOS
- SFO
1 stop10h 54m
Frontier
Deal found 5/10![Frontier logo]()
$160
This Travelocity deal was found by Cheapflights users on 5/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
BOS
- SFO
1 stop16h 34m
Frontier
Deal found 5/8![Frontier logo]()
$161
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/163:06 pm
BOS
- SFO
1 stop10h 37m
American Airlines
Deal found 5/12![American Airlines logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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.
Wed 5/277:13 am
BOS
- SFO
Nonstop6h 40m
JetBlue
Deal found 5/13![JetBlue logo]()
$164
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:00 am
BOS
- SFO
1 stop9h 09m
American Airlines
Deal found 5/11![American Airlines logo]()
$165
This Kissandfly.com deal was found by Cheapflights users on 5/9. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:04 pm
BOS
- SFO
1 stop10h 09m
Frontier
Deal found 5/9![Frontier logo]()
$166
This Jetabroad deal was found by Cheapflights users on 5/9. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
BOS
- SFO
1 stop9h 41m
Hawaiian Airlines
Deal found 5/9![Hawaiian Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 5/13. 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 5/268:59 pm
BOS
- SFO
Nonstop6h 33m
Delta
Deal found 5/13![Delta logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
BOS
- SFO
2 stops16h 35m
Frontier
Deal found 5/12![Frontier logo]()
$170
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 May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (Expedia) |
One-way from | $156 (SmartFares) |
Popular in | April |
Cheapest in | January |
Average price | $412 |
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 2,558,603 searches. Data last updated May 13, 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 - SFO
BOSSFO
Boston Logan Intl
Sat 5/30
6:00 am-12:41 pm
1 stop9h 41m
San Francisco
Tue 6/2
6:58 pm-6:24 am
1 stop8h 26m
$342
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 5/28
8:05 am-5:01 pm
1 stop11h 56m
San Francisco
Tue 6/9
5:41 pm-5:44 am
1 stop9h 03m
$347
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 6/30
3:45 pm-11:15 pm
2 stops10h 30m
San Francisco
Fri 7/3
7:45 pm-9:50 am
2 stops11h 05m
$390
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 9/18
4:55 pm-8:52 pm
Nonstop6h 57m
San Francisco
Mon 9/21
12:20 pm-9:11 pm
Nonstop5h 51m
$393
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 10/28
7:55 am-11:54 am
Nonstop6h 59m
San Francisco
Sun 11/1
7:00 am-3:43 pm
Nonstop5h 43m
$393
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 10/3
9:20 am-12:43 pm
Nonstop6h 23m
San Francisco
Sat 10/10
10:45 pm-9:48 am
1 stop8h 03m
$403
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 8/11
8:15 am-4:25 pm
2 stops11h 10m
San Francisco
Tue 8/25
6:50 am-9:25 pm
2 stops11h 35m
$407
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 7/3
10:05 am-1:45 pm
Nonstop6h 40m
San Francisco
Fri 8/28
3:00 pm-11:41 pm
Nonstop5h 41m
$417
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 9/6
7:09 am-2:49 pm
1 stop10h 40m
San Francisco
Sat 9/19
6:58 pm-6:09 am
1 stop8h 11m
$425
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 9/6
9:30 am-4:31 pm
1 stop10h 01m
San Francisco
Thu 9/17
5:15 pm-5:49 am
1 stop9h 34m
$425
Showing 1-10 of 23 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 May 13, 2026.
It’s typically best to fly out from Boston to Fremont in the evening. Doing so could potentially save you 58% on the flight price compared to flying at noon, which is usually more expensive.
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 May 9, 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.
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 May 13, 2026.
The most flights from BOS to FR8 are scheduled on a Wednesday (43 on average). You will have fewer flight options on Saturday, 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?
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 May 13, 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
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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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Alternative routes for Boston to Fremont
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Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Fremont by cabin class
Find flights from Boston to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Fremont flights
Browse other Boston and Fremont flight options. Last updated on May 13, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on May 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Fremont flights
Consider these flights traveling from Boston to Fremont.
Top 9 airlines flying from Boston to Fremont
Discover the top 9 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 2,558,603 searches. Data last updated May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$313 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$123 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$411 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$365 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$178 | Average$350 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$211 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$431 | FlexibilityNo cancel fee | On-time71% |