
Most accurate provider | CheapOair 3 stars  | 
|---|---|
Most trusted provider | CheapOair 3 stars  | 
Round-trip from | $206 (Alaska Airlines)  | 
One-way from | $127 (Kiwi.com)  | 
Popular in | December | 
Cheapest in | January | 
Average price | $369 | 
Fly from
Fly to
Route
Depart
Return
Price
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 12/12
8:14 pm-11:59 pm
Nonstop6h 45m
San Francisco
Mon 12/15
9:16 pm-5:50 am
Nonstop5h 34m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 12/5
6:00 am-9:45 am
Nonstop6h 45m
San Francisco
Mon 12/8
1:05 pm-9:43 pm
Nonstop5h 38m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 12/5
8:05 pm-11:59 pm
Nonstop6h 54m
San Francisco
Sun 12/7
7:00 am-3:35 pm
Nonstop5h 35m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Tue 11/18
8:05 pm-11:59 pm
Nonstop6h 54m
San Francisco
Sat 12/13
9:41 pm-6:24 am
Nonstop5h 43m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Wed 1/28
7:00 am-10:59 am
Nonstop6h 59m
San Francisco
Sun 2/1
8:26 am-5:05 pm
Nonstop5h 39m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 12/6
9:40 am-3:35 pm
1 stop8h 55m
San Francisco
Sun 12/14
1:05 pm-9:43 pm
Nonstop5h 38m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Sat 1/24
5:40 pm-9:44 pm
Nonstop7h 04m
San Francisco
Fri 1/30
7:10 am-3:51 pm
Nonstop5h 41m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 12/4
7:07 pm-1:15 am
1 stop9h 08m
San Francisco
Sun 12/7
10:45 am-7:24 pm
Nonstop5h 39m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Fri 12/12
4:49 pm-10:55 pm
1 stop9h 06m
San Francisco
Thu 12/25
2:05 pm-10:48 pm
Nonstop5h 43m
BostonSan Francisco
BOS - SFO
BOSSFO
Boston Logan Intl
Thu 1/29
10:00 am-1:54 pm
Nonstop6h 54m
San Francisco
Mon 2/2
8:30 pm-5:01 am
Nonstop5h 31m
To ensure you get the cheapest price possible for a flight from Boston to Modesto, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Boston to Modesto (average of $98). Flying from Boston to Modesto in October is currently the most expensive (average of $178). 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.
It’s optimal to fly from Boston to Modesto in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their Boston to Modesto flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from BOS to MD9 are scheduled on a Sunday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Anonymous,Sep 2025
BOS - HNL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$84 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$337 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$323 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$315 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$153 | Average$420 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$191 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$372 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$334 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$228 | Average$399 | FlexibilityNo cancel fee | On-time69% |