
Round-trip from | $432 (United Airlines) |
|---|---|
One-way from | $239 (United Airlines) |
Popular in | May |
Cheapest in | August |
Average price | $550 |
Fly from
Fly to
Route
Depart
Return
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Mon 9/14
1:25 pm-1:20 pm
3 stops23h 55m
Billings Logan Intl
Mon 9/28
5:00 am-12:21 pm
2 stops31h 21m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Thu 9/17
1:25 pm-1:20 pm
3 stops47h 55m
Billings Logan Intl
Thu 10/1
2:29 pm-12:21 pm
2 stops21h 52m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Sun 5/17
6:00 am-10:45 pm
2 stops16h 45m
Billings Logan Intl
Sun 5/24
6:00 pm-10:11 am
2 stops16h 11m
San JoséHelena
SJO - HLN
SJOHLN
San José Juan Santamaria Intl
Thu 9/10
7:55 am-9:16 pm
2 stops37h 21m
Helena
Fri 9/18
6:15 am-12:21 pm
2 stops30h 06m
San JoséKalispell
SJO - FCA
SJOFCA
San José Juan Santamaria Intl
Thu 9/10
1:25 pm-3:53 pm
2 stops26h 28m
Kalispell Glacier Park
Sat 9/19
7:45 am-7:37 pm
2 stops35h 52m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Wed 9/16
1:25 pm-1:20 pm
3 stops47h 55m
Billings Logan Intl
Wed 9/30
5:57 pm-12:21 pm
2 stops18h 24m
San JoséHelena
SJO - HLN
SJOHLN
San José Juan Santamaria Intl
Thu 9/10
1:25 pm-9:16 pm
2 stops31h 51m
Helena
Sat 9/19
6:15 am-7:37 pm
2 stops37h 22m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Sat 9/26
1:25 pm-12:59 pm
3 stops23h 34m
Billings Logan Intl
Sat 10/3
2:29 pm-12:21 pm
2 stops21h 52m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Sun 5/17
11:35 pm-10:43 pm
1 stop23h 08m
Billings Logan Intl
Sun 5/24
6:00 am-10:42 pm
1 stop16h 42m
San JoséBillings
SJO - BIL
SJOBIL
San José Juan Santamaria Intl
Sat 9/26
5:45 am-11:29 pm
3 stops17h 44m
Billings Logan Intl
Sat 10/3
6:00 am-11:15 pm
3 stops17h 15m
Currently, June is the cheapest month in which you can book a flight from San José to Montana (average of $228). Flying from San José to Montana in November is currently the most expensive (average of $585). 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.
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
Boarding
Food
Crew
Entertainment
Overall
Comfort
Reviews
Anonymous,Apr 2026
DFW - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$514 | Average$594 | FlexibilityNo cancel fee | On-time71% |