Facts about flights from Boston to Kalispell
- The cheapest month to fly between Boston and Kalispell is january
- Delta Air Lines offers the cheapest deal (flight DL2303) between Boston and Kalispell at $316.36
- Usually, people stay 7 days when travelling from Boston to Kalispell
- It is on average $396.49 for a 1 stop(s) flight between Boston and Kalispell
- There is on average 1 stop(s) when flying between Boston and Kalispell
- Minneapolis - St. Paul International (MSP) is the most popular gateway between Boston and Kalispell
