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 $432.95
- It is on average $426.09 for a 1 stop(s) flight between Boston and Kalispell
- When flying from Boston to Kalispell, the most popular gateway is Chicago O'hare International (ORD)
- The average number of stop(s) between Boston and Kalispell is 1
- It is on average $489.54 for a 2 stop(s) flight between Boston and Kalispell
