$114+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Fremont
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 January 29, 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 January 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
This Expedia deal was found by Cheapflights users on 1/28. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
This Expedia deal was found by Cheapflights users on 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Alaska Airlines) |
One-way from | $114 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $342 |
Cheapflights Fare Finder
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
Price
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 3/18
8:59 pm-12:51 am
Nonstop6h 52m
San Francisco
Tue 3/31
10:00 pm-6:40 am
Nonstop5h 40m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 2/24
5:44 pm-11:59 pm
1 stop9h 15m
San Francisco
Tue 3/3
8:42 am-11:59 pm
1 stop12h 17m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 3/24
7:40 am-11:38 am
Nonstop6h 58m
San Francisco
Tue 3/31
7:25 am-4:00 pm
Nonstop5h 35m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 3/9
5:45 am-9:43 am
Nonstop6h 58m
San Francisco
Wed 3/11
11:35 pm-8:13 am
Nonstop5h 38m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 2/20
6:00 am-9:58 am
Nonstop6h 58m
San Francisco
Wed 2/25
6:45 am-5:19 pm
1 stop7h 34m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 3/3
4:40 pm-8:29 pm
Nonstop6h 49m
San Francisco
Mon 3/9
8:44 pm-5:15 am
Nonstop5h 31m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 2/23
5:35 pm-9:35 pm
Nonstop7h 00m
San Francisco
Fri 3/6
1:00 pm-9:35 pm
Nonstop5h 35m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 3/18
4:50 pm-10:47 pm
1 stop8h 57m
San Francisco
Wed 4/1
11:20 pm-8:24 am
Nonstop6h 04m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 2/26
7:45 am-11:47 am
Nonstop7h 02m
San Francisco
Mon 3/2
7:10 am-3:49 pm
Nonstop5h 39m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Mon 2/23
6:07 pm-12:15 am
1 stop9h 08m
San Francisco
Thu 2/26
4:10 pm-12:49 am
Nonstop5h 39m
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.
Cheapflights Insights
Everything you need to know about your flight from Boston to Fremont
How far ahead should I book a flight from Boston to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Fremont. Price data was last updated on January 23, 2026.
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to Fremont?
Currently, March is the cheapest month in which you can book a flight from Boston to Fremont (average of $101). Flying from Boston to Fremont in July is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 January 29, 2026.
It’s typically best to fly out from Boston to Fremont in the evening. Doing so could potentially save you 32% 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 January 24, 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 January 29, 2026.
The most flights from BOS to FR8 are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).
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 January 29, 2026.
Read through reviews of airlines operating flights from Boston to Fremont, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
Overall
Entertainment
Food
Crew
Boarding
Comfort
Reviews
Anonymous,Jan 2026
STS - LAX
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
See prices for flight routes from nearby airports that may be better suited for you.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$304 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$299 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$367 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$334 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$216 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$220 | Average$388 | FlexibilityNo cancel fee | On-time69% |