By using our smart “No change fee” filter, that’s how. Simply type in your origin, destination and dates, click “Search,” then tick the checkbox directly under the “Flexible change policies” heading (it’s on the left of your screen). Expedia makes it simple to find flexible, low-cost fares to Idaho.

Wherever you want to wander in Idaho and whenever you’re hoping to depart, you’ll find your perfect flight with one of these top airlines:

• Alaska Airlines - 815 flights to or near Idaho each month, including 754 flights to Boise Airport (BOI) and 30 flights to Friedman Memorial Airport (SUN) per month.
• Delta Air Lines - 637 flights to or near Idaho each month, including 489 flights to Boise Airport (BOI) and 86 flights to Idaho Falls Regional Airport (IDA) per month.
• United Airlines - 438 flights to or near Idaho each month, including 303 flights to Boise Airport (BOI) and 91 flights to Idaho Falls Regional Airport (IDA) per month.

One of the best ways to find cheap tickets to Idaho is to be flexible with your travel dates. Search for your flights, then click “flexible dates” above the results. It’ll bring up the cheapest prices for nearby days. The best price for a flight to Idaho in the last seven days was S$1,036. Booking well ahead will generally help you get an even bigger bargain.

One-way flights departing from Seattle (PAE) sold for as little as S$549 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between S$1,036 and S$1,326. If you find a deal, book quickly — these prices don’t hang about.

Touch down at any one of these main airports in Idaho and you’ll be in the perfect position to experience all that this renowned region has to offer:

• Boise Airport (BOI) - 1,994 flights per month.
• Idaho Falls Regional Airport (IDA) - 334 flights per month.
• Friedman Memorial Airport (SUN) - 134 flights per month.

Depart for Idaho earlier in the week and you’ll usually be rewarded with lower fares. Tuesday is generally the cheapest day to jet off, followed closely by Monday. If you’re eager to avoid the most expensive flights, keep clear of Saturdays.

In the last seven days, plane fares to Idaho fluctuated between S$1,036 and S$1,326. Prices tend to go up over time, so book a top deal today.

Summer starts June 20 in the Northern Hemisphere, and these warmer months are a terrific time to tour the thrilling Idaho city of Boise. Average temperatures vary between 16ºC and 27ºC throughout this season. The largest crowds are found here in May, July and August.

The most cost-effective month to land a flight to Idaho is February, while prices are at a premium in December. Steer clear of this month if you’re on a budget.