$1,246 Cheap flights to Idaho

68% of momondo users visit Boise more often than any other city in Idaho. When travelling to Boise, typically the most convenient airport to fly into is Boise Airport.

Idaho typically has a temperature range from -1 °C(December) to 24 °C(July). Those looking to avoid rain and/or snow while visiting Idaho should plan their trip in August, July, or September, as these months are relatively less likely to have precipitation.

The best day to take a flight to Idaho is on Monday, followed by Friday. Monday and Friday tend to have the lowest flight prices to Idaho. If your travel dates are flexible, then try to avoid booking on a Sunday, which is known for being the most expensive day of the week to fly to Idaho.

Prices for flights to Idaho refresh daily.

The number of operators available for flights to Idaho is 1 as of December 2025.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Idaho.

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.