Cheap flights from Montana to New Hampshire from $146

The cheapest day to depart on your flight to New Hampshire is on a Monday when prices can be found for as low as $298. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Friday, with ticket prices averaging around $471.

According to our data, the cheapest time of day to fly to New Hampshire is at noon. momondo users have found flights departing from Montana to New Hampshire at noon for as low as $293. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $353. Of course, these prices can vary depending on the time of year and what airport you fly to.

You are more likely to see cheaper flights to New Hampshire from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from Montana for as low as $347 on momondo.

You could potentially save up to 29% on your flight if you consider stops on a Montana to New Hampshire flight.

As of July 2026, 43 flights take off from Montana and land in New Hampshire each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.

Flight times from Montana to New Hampshire vary, but if you’re flying out of Bozeman and flying into Manchester, New Hampshire (one of the most popular routes), then the duration is 9h 27m on average. Another popular route from Montana to New Hampshire is flying from Kalispell to Manchester, New Hampshire, which will take roughly 10h 42m. Keep in mind that layovers or delays could extend your travel time.