$190 Find Cheap Flights from Kalispell to Boston - Compare and Save

In the last 5 days, the lowest price for a flight from Kalispell to Boston was $190 for a one-way ticket and $379 for a round-trip.

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

We unfortunately don’t have that data for this specific route.

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Kalispell and Boston, with oneworld being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from Kalispell to Boston are Delta and United Airlines. With an average price for the route of $517 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $604 and an overall rating of 7.4.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kalispell to Boston.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Kalispell is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Kalispell with another airline. Booking your flights between Kalispell and BOS can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Kalispell up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.