Cheapest return flights from Boise to Phoenix in August from $74
AirHint found the following cheapest return flights from Boise (BOI) to Phoenix (PHX)
in August 2025 (see full year ).
Return flights
13 Aug
- 19 Aug
Alaska Airlines
$ 74
direct
01 Aug
- 04 Aug
Allegiant Air
$ 82
direct
01 Aug
- 15 Aug
Allegiant Air
$ 92
direct
01 Aug
- 11 Aug
Allegiant Air
$ 92
direct
04 Aug
- 15 Aug
Allegiant Air
$ 92
direct
04 Aug
- 08 Aug
Allegiant Air
$ 92
direct
04 Aug
- 11 Aug
Allegiant Air
$ 92
direct
26 Aug
- 31 Aug
Southwest Airlines
$ 94
direct
15 Aug
- 01 Sep
Allegiant Air
$ 102
direct
18 Aug
- 01 Sep
Allegiant Air
$ 102
direct
11 Aug
- 15 Aug
Allegiant Air
$ 105
direct
29 Aug
- 01 Sep
Allegiant Air
$ 105
direct
29 Aug
- 19 Sep
Allegiant Air
$ 105
direct
11 Aug
- 01 Sep
Allegiant Air
$ 105
direct
15 Aug
- 05 Sep
Allegiant Air
$ 109
direct
18 Aug
- 05 Sep
Allegiant Air
$ 109
direct
29 Aug
- 05 Sep
Allegiant Air
$ 112
direct
29 Aug
- 02 Sep
Alaska Airlines
$ 128
direct
29 Aug
- 12 Sep
Allegiant Air
$ 129
direct
Also check the deals for one-way flights from Boise to Phoenix in August .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media