Travel with Axel,
get the best price.

Boise → Phoenix

Dec 7, 2026 · return Dec 8, 2026

BOI → PHX1 adulteconomyRound trip

11 flight options · 6 airlines

Nonstop flights

Mon, Dec 7 – Tue, Dec 8

Southwest Airlines
6:10 pmBOI
2h
Nonstop
8:10 pmPHX
Southwest Airlines
1:40 pmPHX
2h 10m
Nonstop
3:50 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Alaska Airlines
7:12 amBOI
2h 16m
Nonstop
9:28 amPHX
Alaska Airlines
9:53 amPHX
2h 16m
Nonstop
12:09 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

American Airlines
6:12 pmBOI
2h 12m
Nonstop
8:24 pmPHX
American Airlines
5:11 pmPHX
2h 13m
Nonstop
7:24 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Southwest Airlines
1:00 pmBOI
2h
Nonstop
3:00 pmPHX
Southwest Airlines
1:40 pmPHX
2h 10m
Nonstop
3:50 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

American Airlines
2:03 pmBOI
2h 6m
Nonstop
4:09 pmPHX
American Airlines
5:11 pmPHX
2h 13m
Nonstop
7:24 pmBOI

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 7 – Tue, Dec 8

Frontier Airlines
7:55 pmBOI
4h 38m
LAS · 1h 28m
12:33 am+1PHX
Frontier Airlines
12:45 pmPHX
4h 35m
LAS · 1h 17m
5:20 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

United Airlines
2:48 pmBOI
5h 10m
DEN · 1h 9m
7:58 pmPHX
Southwest Airlines
1:40 pmPHX
2h 10m
Nonstop
3:50 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Delta Air Lines
1:07 pmBOI
4h 10m
SLC · 1h 10m
5:17 pmPHX
Delta Air Lines
11:30 amPHX
4h 49m
LAX · 1h
4:19 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Southwest Airlines
3:30 pmBOI
4h 55m
DEN · 1h 20m
8:25 pmPHX
Southwest Airlines
1:40 pmPHX
2h 10m
Nonstop
3:50 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Southwest Airlines
5:50 amBOI
4h 35m
SAN · 1h
10:25 amPHX
Southwest Airlines
1:40 pmPHX
2h 10m
Nonstop
3:50 pmBOI

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Tue, Dec 8

Alaska Airlines
6:43 pmBOI
4h 54m
SAN · 1h 8m
11:37 pmPHX
Alaska Airlines
9:53 amPHX
2h 16m
Nonstop
12:09 pmBOI

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOI ⇄ PHX

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-07 → 2026-12-08Southwest AirlinesWN1315 / WN4837$273.602026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Alaska AirlinesAS2183 / AS2183$283.102026-10-29T00:51:19Z
2026-12-07 → 2026-12-08American AirlinesAA3907 / AA1152$302.102026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Frontier AirlinesF91934 + F92258 / F93983 + F91933$197.602026-10-29T00:51:19Z
2026-12-07 → 2026-12-08United Airlines / Southwest AirlinesUA2173 + UA479 / WN4837$306.852026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Delta Air LinesDL2095 + DL2525 / DL4119 + DL3701$340.102026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Southwest AirlinesWN770 / WN4837$273.602026-10-29T00:51:19Z
2026-12-07 → 2026-12-08American AirlinesAA2341 / AA1152$302.102026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Southwest AirlinesWN760 + WN262 / WN4837$278.352026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Southwest AirlinesWN4928 + WN250 / WN4837$278.352026-10-29T00:51:19Z
2026-12-07 → 2026-12-08Alaska AirlinesAS2421 + AS2297 / AS2183$302.102026-10-29T00:51:19Z

2026-12-07 → 2026-12-08 · $273.60

  • Southwest Airlines WN1315: BOI 2026-12-07 18:10:00 → PHX 2026-12-07 20:10:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN4837: PHX 2026-12-08 13:40:00 → BOI 2026-12-08 15:50:00; nonstop; 130 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $283.10

  • Alaska Airlines AS2183: BOI 2026-12-07 07:12:00 → PHX 2026-12-07 09:28:00; nonstop; 136 minutes. Local airport times.
  • Alaska Airlines AS2183: PHX 2026-12-08 09:53:00 → BOI 2026-12-08 12:09:00; nonstop; 136 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $302.10

  • American Airlines AA3907: BOI 2026-12-07 18:12:00 → PHX 2026-12-07 20:24:00; nonstop; 132 minutes. Local airport times.
  • American Airlines AA1152: PHX 2026-12-08 17:11:00 → BOI 2026-12-08 19:24:00; nonstop; 133 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $197.60

  • Frontier Airlines F91934 / F92258: BOI 2026-12-07 19:55:00 → PHX 2026-12-08 00:33:00; 1 stop(s) via LAS; 278 minutes. Local airport times.
    • F91934: BOI 2026-12-07 19:55:00 → LAS 2026-12-07 20:49:00; layover at LAS: 88 minutes.
    • F92258: LAS 2026-12-07 22:17:00 → PHX 2026-12-08 00:33:00.
  • Frontier Airlines F93983 / F91933: PHX 2026-12-08 12:45:00 → BOI 2026-12-08 17:20:00; 1 stop(s) via LAS; 275 minutes. Local airport times.
    • F93983: PHX 2026-12-08 12:45:00 → LAS 2026-12-08 13:01:00; layover at LAS: 77 minutes.
    • F91933: LAS 2026-12-08 14:18:00 → BOI 2026-12-08 17:20:00.

2026-12-07 → 2026-12-08 · $306.85

  • United Airlines UA2173 / UA479: BOI 2026-12-07 14:48:00 → PHX 2026-12-07 19:58:00; 1 stop(s) via DEN; 310 minutes. Local airport times.
    • UA2173: BOI 2026-12-07 14:48:00 → DEN 2026-12-07 16:45:00; layover at DEN: 69 minutes.
    • UA479: DEN 2026-12-07 17:54:00 → PHX 2026-12-07 19:58:00.
  • Southwest Airlines WN4837: PHX 2026-12-08 13:40:00 → BOI 2026-12-08 15:50:00; nonstop; 130 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $340.10

  • Delta Air Lines DL2095 / DL2525: BOI 2026-12-07 13:07:00 → PHX 2026-12-07 17:17:00; 1 stop(s) via SLC; 250 minutes. Local airport times.
    • DL2095: BOI 2026-12-07 13:07:00 → SLC 2026-12-07 14:25:00; layover at SLC: 70 minutes.
    • DL2525: SLC 2026-12-07 15:35:00 → PHX 2026-12-07 17:17:00.
  • Delta Air Lines DL4119 / DL3701: PHX 2026-12-08 11:30:00 → BOI 2026-12-08 16:19:00; 1 stop(s) via LAX; 289 minutes. Local airport times.
    • DL4119: PHX 2026-12-08 11:30:00 → LAX 2026-12-08 12:10:00; layover at LAX: 60 minutes.
    • DL3701: LAX 2026-12-08 13:10:00 → BOI 2026-12-08 16:19:00.

2026-12-07 → 2026-12-08 · $273.60

  • Southwest Airlines WN770: BOI 2026-12-07 13:00:00 → PHX 2026-12-07 15:00:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN4837: PHX 2026-12-08 13:40:00 → BOI 2026-12-08 15:50:00; nonstop; 130 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $302.10

  • American Airlines AA2341: BOI 2026-12-07 14:03:00 → PHX 2026-12-07 16:09:00; nonstop; 126 minutes. Local airport times.
  • American Airlines AA1152: PHX 2026-12-08 17:11:00 → BOI 2026-12-08 19:24:00; nonstop; 133 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $278.35

  • Southwest Airlines WN760 / WN262: BOI 2026-12-07 15:30:00 → PHX 2026-12-07 20:25:00; 1 stop(s) via DEN; 295 minutes. Local airport times.
    • WN760: BOI 2026-12-07 15:30:00 → DEN 2026-12-07 17:10:00; layover at DEN: 80 minutes.
    • WN262: DEN 2026-12-07 18:30:00 → PHX 2026-12-07 20:25:00.
  • Southwest Airlines WN4837: PHX 2026-12-08 13:40:00 → BOI 2026-12-08 15:50:00; nonstop; 130 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $278.35

  • Southwest Airlines WN4928 / WN250: BOI 2026-12-07 05:50:00 → PHX 2026-12-07 10:25:00; 1 stop(s) via SAN; 275 minutes. Local airport times.
    • WN4928: BOI 2026-12-07 05:50:00 → SAN 2026-12-07 07:05:00; layover at SAN: 60 minutes.
    • WN250: SAN 2026-12-07 08:05:00 → PHX 2026-12-07 10:25:00.
  • Southwest Airlines WN4837: PHX 2026-12-08 13:40:00 → BOI 2026-12-08 15:50:00; nonstop; 130 minutes. Local airport times.

2026-12-07 → 2026-12-08 · $302.10

  • Alaska Airlines AS2421 / AS2297: BOI 2026-12-07 18:43:00 → PHX 2026-12-07 23:37:00; 1 stop(s) via SAN; 294 minutes. Local airport times.
    • AS2421: BOI 2026-12-07 18:43:00 → SAN 2026-12-07 20:03:00; layover at SAN: 68 minutes.
    • AS2297: SAN 2026-12-07 21:11:00 → PHX 2026-12-07 23:37:00.
  • Alaska Airlines AS2183: PHX 2026-12-08 09:53:00 → BOI 2026-12-08 12:09:00; nonstop; 136 minutes. Local airport times.

More dates for this route