Facts about flights from Boston to Kalispell
- Delta Air Lines offers the cheapest deal (flight DL2303) between Boston and Kalispell at $535.70
- The average cost for 2 stop(s) flight from Boston to Kalispell is $409.97
- The cheapest month to fly between Boston and Kalispell is january
- When flying from Boston to Kalispell, the most popular gateway is Minneapolis - St. Paul International (MSP)
- It is on average $387.98 for a 1 stop(s) flight between Boston and Kalispell
- The average number of stop(s) between Boston and Kalispell is 1
