$139 Find Cheap Flights from Idaho to New Hampshire - Compare and Save

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 Idaho to New Hampshire.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho to New Hampshire 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 from Idaho to New Hampshire with an airline and back with another airline.

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 from Idaho to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 3 airports in New Hampshire. The busiest airport is Manchester Airport (MHT), with 66% of all flights arriving there.

To get a below average price on the flight from Idaho to New Hampshire, you should book around 6 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

An average nonstop flight from Idaho to New Hampshire takes 10h 01m, covering a distance of 2130 miles. The shortest route is Twin Falls (TWF) to Boston (BOS) with an average flight time of 6h 31m.

Based on KAYAK flight searches, the most popular destination is Boston (77% of total searches to New Hampshire). The next most popular destinations are Portland (17%) and Manchester (6%). Searches for flights to Lebanon (0%) are also popular.