Cheap Flights from Boise to Phoenix
No deal from Boise to Phoenix has cleared our price bar yet. What we have seen on the route is below.
Across 2 months of observations from Boise to Phoenix, the lowest round-trip fare we recorded was $90, in October. The typical fare was $139. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $90 on Allegiant, seen Oct 31. It is an unverified observation and may have changed.
See every deal from Boise, to Phoenix, or the return direction Phoenix to Boise.
Latest price we saw: Boise to Phoenix
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Boise (BOI) to Phoenix (AZA) | $90 | 6.0¢ | Jan 29 – Feb 5 | Allegiant | Oct 31 | Check price |
Price history: Boise to Phoenix
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $90 | $90 | 1 |
| Sep 2026 | $160 | $189 | 94 |
Frequently asked questions
How many flight deals from Boise to Phoenix are on Sparkflights right now?
There are 0 verified deals from Boise to Phoenix on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Boise to Phoenix?
The lowest fare we've recorded from Boise to Phoenix is $90, based on 95 price observations over 2 months.
How much does a flight from Boise to Phoenix cost?
The typical round-trip fare we observed from Boise to Phoenix is $139, against a recorded low of $90. These are observations, not quotes.
When is the cheapest month to fly Boise to Phoenix?
October was the cheapest month we observed from Boise to Phoenix and September the dearest, over 2 months of data.
What is the current price from Boise to Phoenix?
The most recent fare our sweep saw from Boise to Phoenix is $90, on Oct 31. It is an unverified observation rather than a verified deal, so check it before booking.