Open interactive map →Cheap flights from Phoenix to Boise
Fares on the Phoenix to Boise route vary noticeably by season and demand. Right now the lowest available price is €182. The route offers both direct and connecting options depending on the date. Booking further in advance typically unlocks lower prices, especially around school holidays and peak travel months. The booking button below opens live availability for this fare.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Phoenix tend to be cheaper than Friday or Sunday flights. If €182 is above your budget, set a price alert below and we will email you if this fare drops.
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Entry requirements for United States
EU passportESTA required (visa-waiver)
US passportN/A (domestic)
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Boise
Frequently asked questions
How much does a flight from Phoenix to Boise cost?
The cheapest fare currently available from Phoenix to Boise is €182. Prices on this route vary by season, day of week, and how far in advance you book. Click through to compare live availability for your dates before you book. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Phoenix to Boise?
SkyHopp tracks both direct and connecting flights from Phoenix to Boise. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Phoenix to Boise?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Phoenix. Set a price alert on this page to watch the fare, or click through to compare live dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.