$168+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Jul 10 — Jul 171
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 46 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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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 June 10, 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 June 10, 2026.
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Wed 7/811:00 pm
SFO
- BOS
1 stop8h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:10 pm
BOS
- SFO
Nonstop6h 37m
United Airlines
Tue 7/712:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/5![United Airlines logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 8/285:01 am
BOS
- SFO
1 stop11h 52m
JetBlue
Sun 8/303:45 pm
SFO
- BOS
Nonstop5h 42m
JetBlue
Deal found 6/7![JetBlue logo]()
$318
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Sat 7/410:10 pm
SFO
- BOS
1 stop9h 47m
Frontier
Deal found 6/7![Frontier logo]()
$319
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:55 pm
BOS
- SFO
1 stop11h 10m
Southwest
Wed 8/1211:15 am
SFO
- BOS
1 stop10h 10m
Southwest
Deal found 6/9![Southwest logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Fri 7/312:01 pm
BOS
- SFO
1 stop10h 25m
Multiple Airlines
Thu 7/96:00 am
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/156:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/224:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/9![United Airlines logo]()
$322
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:55 pm
BOS
- SFO
Nonstop6h 35m
JetBlue
Tue 8/48:25 pm
SFO
- BOS
1 stop12h 08m
JetBlue
Deal found 6/5![JetBlue logo]()
$323
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Sat 7/1811:00 pm
SFO
- BOS
1 stop8h 57m
Frontier
Deal found 6/9![Frontier logo]()
$324
This JetBlue deal was found by Cheapflights users on 6/8. 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.
Mon 6/296:35 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Tue 7/712:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 6/8![JetBlue logo]()
$325
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Fri 9/114:00 pm
BOS
- SFO
1 stop10h 31m
JetBlue
Tue 9/1511:45 am
SFO
- BOS
Nonstop5h 49m
JetBlue
Deal found 6/8![JetBlue logo]()
$326
This JetBlue deal was found by Cheapflights users on 6/9. 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 6/306:35 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Mon 7/1310:25 am
SFO
- BOS
Nonstop5h 47m
JetBlue
Deal found 6/9![JetBlue logo]()
$327
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 June 10, 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 June 10, 2026.
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:00 pm
BOS
- SFO
1 stop11h 28m
JetBlue
Mon 9/149:45 pm
SFO
- BOS
Nonstop5h 47m
JetBlue
Deal found 6/5![JetBlue logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/88:27 pm
BOS
- SFO
Nonstop6h 32m
United Airlines
Sun 8/2310:35 pm
SFO
- BOS
1 stop8h 01m
United Airlines
Deal found 6/9![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:55 am
BOS
- SFO
1 stop10h 15m
Southwest
Wed 8/2611:50 am
SFO
- BOS
1 stop7h 25m
Southwest
Deal found 6/6![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 6/6. 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.
Thu 9/107:00 am
BOS
- SFO
Nonstop6h 57m
Delta
Sun 9/137:00 am
SFO
- BOS
Nonstop5h 51m
Delta
Deal found 6/6![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 7/77:28 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Tue 7/146:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 6/7![United Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:45 pm
BOS
- SFO
2 stops10h 35m
Southwest
Tue 7/2810:50 pm
SFO
- BOS
2 stops10h 20m
Southwest
Deal found 6/6![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 11/127:30 am
BOS
- SFO
Nonstop6h 45m
United Airlines
Sun 11/1511:20 pm
SFO
- BOS
Nonstop6h 03m
United Airlines
Deal found 6/7![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:45 pm
BOS
- SFO
2 stops10h 20m
Southwest
Wed 8/197:25 pm
SFO
- BOS
2 stops11h 25m
Southwest
Deal found 6/7![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 8/125:45 am
BOS
- SFO
1 stop9h 45m
United Airlines
Wed 8/1211:18 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/9![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 7/302:10 pm
BOS
- SFO
1 stop8h 45m
Southwest
Mon 8/35:40 pm
SFO
- BOS
2 stops11h 20m
Southwest
Deal found 6/8![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/236:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Tue 6/306:56 pm
SFO
- BOS
1 stop8h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:50 am
BOS
- SFO
2 stops10h 00m
Southwest
Mon 12/219:35 pm
SFO
- BOS
2 stops10h 30m
Southwest
Deal found 6/7![Southwest logo]()
$443
Last-minute flights from Boston to FremontDiscover last-minute flight deals from Boston to Fremont. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Fremont. Data last updated June 10, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Wed 7/811:00 pm
SFO
- BOS
1 stop8h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$316
This JetBlue deal was found by Cheapflights users on 6/8. 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.
Mon 6/296:35 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Tue 7/712:30 pm
SFO
- BOS
Nonstop5h 48m
JetBlue
Deal found 6/8![JetBlue logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:10 pm
BOS
- SFO
Nonstop6h 37m
United Airlines
Tue 7/712:25 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/5![United Airlines logo]()
$317
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:35 am
BOS
- SFO
Nonstop6h 33m
Multiple Airlines
Tue 7/76:00 am
SFO
- BOS
1 stop20h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$318
This JetBlue deal was found by Cheapflights users on 6/9. 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 6/306:35 am
BOS
- SFO
Nonstop6h 33m
JetBlue
Mon 7/1310:25 am
SFO
- BOS
Nonstop5h 47m
JetBlue
Deal found 6/9![JetBlue logo]()
$327
This Expedia deal was found by Cheapflights users on 6/9. 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.
Wed 7/18:55 pm
BOS
- SFO
Nonstop6h 36m
Multiple Airlines
Mon 7/66:00 am
SFO
- BOS
1 stop20h 40m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$328
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Fri 7/312:01 pm
BOS
- SFO
1 stop10h 25m
Multiple Airlines
Thu 7/96:00 am
SFO
- BOS
Nonstop5h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$321
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Sat 7/410:10 pm
SFO
- BOS
1 stop9h 47m
Frontier
Deal found 6/7![Frontier logo]()
$319
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Sat 7/1811:00 pm
SFO
- BOS
1 stop8h 57m
Frontier
Deal found 6/9![Frontier logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/156:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Wed 7/224:15 pm
SFO
- BOS
Nonstop5h 56m
United Airlines
Deal found 6/9![United Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/217:37 pm
BOS
- SFO
1 stop8h 22m
American Airlines
Tue 7/286:55 pm
SFO
- BOS
1 stop7h 50m
American Airlines
Deal found 6/6![American Airlines logo]()
$326
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:00 pm
BOS
- SFO
Nonstop6h 34m
JetBlue
Tue 8/118:25 pm
SFO
- BOS
1 stop7h 44m
JetBlue
Deal found 6/5![JetBlue logo]()
$323
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 June 10, 2026.
Search for one-way flight options from Boston to Fremont. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:12 am
BOS
- SFO
2 stops42h 03m
Frontier
Deal found 6/4![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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.
Thu 7/26:55 pm
BOS
- SFO
Nonstop6h 43m
JetBlue
Deal found 6/9![JetBlue logo]()
$169
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:05 am
BOS
- SFO
2 stops10h 40m
Southwest
Deal found 6/9![Southwest logo]()
$170
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/239:50 am
BOS
- SFO
1 stop8h 38m
United Airlines
Deal found 6/8![United Airlines logo]()
$172
This JetBlue deal was found by Cheapflights users on 6/9. 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.
Thu 9/38:55 pm
BOS
- SFO
Nonstop6h 36m
JetBlue
Deal found 6/9![JetBlue logo]()
$174
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:01 pm
BOS
- SFO
1 stop10h 54m
Frontier
Deal found 6/5![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 7/106:00 am
BOS
- SFO
1 stop8h 38m
United Airlines
Deal found 6/8![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 7/146:00 am
BOS
- SFO
Nonstop6h 27m
United Airlines
Deal found 6/7![United Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:25 pm
BOS
- SFO
2 stops11h 05m
Southwest
Deal found 6/5![Southwest logo]()
$179
This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:52 am
BOS
- SFO
1 stop10h 26m
Frontier
Deal found 6/6![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- SFO
1 stop10h 25m
Frontier
Deal found 6/8![Frontier logo]()
$181
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (CheapOair) |
One-way from | $168 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $462 |
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 June 10, 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
Thu 9/10
1:00 pm-9:28 pm
1 stop11h 28m
San Francisco
Mon 9/14
9:45 pm-6:32 am
Nonstop5h 47m
$331
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 8/8
8:27 pm-11:59 pm
Nonstop6h 32m
San Francisco
Sun 8/23
10:35 pm-9:36 am
1 stop8h 01m
$332
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sun 8/23
5:55 am-1:10 pm
1 stop10h 15m
San Francisco
Wed 8/26
11:50 am-10:15 pm
1 stop7h 25m
$347
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 7/7
7:28 am-10:55 am
Nonstop6h 27m
San Francisco
Tue 7/14
6:56 pm-5:58 am
1 stop8h 02m
$348
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 7/21
3:45 pm-11:20 pm
2 stops10h 35m
San Francisco
Tue 7/28
10:50 pm-12:10 pm
2 stops10h 20m
$377
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 11/12
7:30 am-11:15 am
Nonstop6h 45m
San Francisco
Sun 11/15
11:20 pm-8:23 am
Nonstop6h 03m
$403
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 8/5
2:45 pm-10:05 pm
2 stops10h 20m
San Francisco
Wed 8/19
7:25 pm-9:50 am
2 stops11h 25m
$405
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 8/12
5:45 am-12:30 pm
1 stop9h 45m
San Francisco
Wed 8/12
11:18 pm-8:14 am
Nonstop5h 56m
$416
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 6/23
6:00 am-9:27 am
Nonstop6h 27m
San Francisco
Tue 6/30
6:56 pm-5:58 am
1 stop8h 02m
$416
Quickest round-trip
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 9/10
7:00 am-10:57 am
Nonstop6h 57m
San Francisco
Sun 9/13
7:00 am-3:51 pm
Nonstop5h 51m
$423
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 June 10, 2026.
It’s typically best to fly out from Boston to Fremont in the evening. Doing so could potentially save you 57% 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 June 10, 2026.
The most flights from BOS to FR8 are scheduled on a Wednesday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from Boston to Fremont?
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 June 8, 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 at noon 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 June 10, 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
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 June 10, 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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$311 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$131 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$419 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$368 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$235 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$447 | FlexibilityNo cancel fee | On-time71% |