$47 Cheap Flights to Boise, WA

The cheapest month to fly to Boise is August when demand is low. Off-peak months are typically when you'll find cheap fares. To keep costs down, steer clear of flying during major holidays and school breaks.

Score cheap flights to Boise from Portland, Anchorage and Phoenix. These cities typically offer the best fares to this exciting destination. But keep in mind that stopovers, seasonality and demand will also impact rates, so stay flexible and book when prices are right.

There are 83 US cities that you can fly to Boise nonstop from. Explore the options by using the "Direct flights only" filter on Expedia and find the ideal starting point for your trip. Here are a handful of the top cities to leave from:

• Portland
• Anchorage
• Phoenix
• Los Angeles
• Spokane

If you're looking for cheap flights to Boise, consider traveling in the low season. Booking in advance may also help you score savings. Or, look for departures on a different day — flights on a Thursday are on average 16% cheaper than Sunday options.* Opt to receive flight price alerts on the Expedia app and get notifications as soon as fares fall.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can find cheap deals on last-minute departures to Boise, especially if your plans aren't set in stone. Consider your options for jetting out of a different airport, changing your dates or picking another carrier to get a cheap flight to Boise.

To nab some of the best deals on domestic journeys, book your flight to Boise 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This gives you a better chance of getting your preferred departure times and seats.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are typically the best day to book a cheap flight to Boise, with savings of about 8% on average compared to Fridays. If you choose to purchase tickets on a Friday, expect to pay more as this is often the most expensive day.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Boise has connections to 118 airports worldwide through 31 carriers, with Seattle - Tacoma Intl. Airport (SEA) as its primary gateway. Choose from these leading airlines to Boise when booking your trip:

• Alaska Airlines
• Delta Air Lines
• American Airlines
• United Airlines

If you're flying to Boise, the main airport to arrive at is Seattle - Tacoma Intl. Airport (SEA). You can also head to nearby hubs like Renton Municipal Airport (RNT), Tacoma, WA (TIW-Tacoma Narrows) or Boeing Field Airport (BFI). Another good option worth keeping in mind when you fly to Boise is Bremerton, WA (PWT-Bremerton National).

You'll be about 20 mi northwest of central Boise after arriving at Seattle - Tacoma Intl. Airport (SEA).

Bundle your flight and hotel and you could save hundreds of dollars. Better still, you can add extras like car rentals and tours to your Boise flight and hotel package deal. With Expedia, it's easy to book all your Boise travel plans in one place.

It's often possible to cancel or change your flight to Boise. Many airlines let you cancel flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may issue you credit for a future flight rather than a direct refund. To find cheap flights to Boise with flexible change policies, select the "No cancel fee" or "Changes included" filters during your search. Want more information? Check out our Customer Service Portal.