Travel with Axel,
get the best price.

Houston → Phoenix

Dec 21, 2026 · return Dec 31, 2026

IAH → PHX1 adulteconomyRound trip

12 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
9:58 pmIAH
3h 5m
Nonstop
12:03 am+1PHX
Frontier Airlines
7:15 amPHX
2h 39m
Nonstop
10:54 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
2:11 pmIAH
2h 58m
Nonstop
4:09 pmPHX
American Airlines
9:39 amPHX
2h 46m
Nonstop
1:25 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
4:45 pmIAH
3h 2m
Nonstop
6:47 pmPHX
United Airlines
5:20 pmPHX
2h 40m
Nonstop
9:00 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
5:49 pmIAH
3h 2m
Nonstop
7:51 pmPHX
Frontier Airlines
5:30 amPHX
2h 43m
Nonstop
9:13 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
6:29 amIAH
3h 1m
Nonstop
8:30 amPHX
American Airlines
9:39 amPHX
2h 46m
Nonstop
1:25 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
8:13 pmIAH
3h 2m
Nonstop
10:15 pmPHX
United Airlines
5:20 pmPHX
2h 40m
Nonstop
9:00 pmIAH

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
7:08 amIAH
7h 3m
LAX · 1h 40m
1:11 pmPHX
Delta Air Lines
2:32 pmPHX
6h 26m
SLC · 1h 41m
9:58 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
7:20 pmIAH
3h 7m
Nonstop
9:27 pmPHX
Frontier Airlines
1:12 pmPHX
6h 23m
LAX · 1h 33m
8:35 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
7:00 amIAH
5h 57m
LAS · 1h 10m
11:57 amPHX
Frontier Airlines
5:30 amPHX
2h 43m
Nonstop
9:13 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
10:47 amIAH
6h 30m
DEN · 1h 44m
4:17 pmPHX
Frontier Airlines
5:30 amPHX
2h 43m
Nonstop
9:13 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
6:00 amIAH
7h 30m
DFW · 3h 7m
12:30 pmPHX
American Airlines
9:39 amPHX
2h 46m
Nonstop
1:25 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
6:37 amIAH
3h 2m
Nonstop
8:39 amPHX
American Airlines
5:02 pmPHX
5h 57m
DFW · 2h 14m
11:59 pmIAH

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ 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, Frontier 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 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 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)
2026-12-21 → 2026-12-31Frontier AirlinesF94181 / F91704$188.702026-10-29T01:11:30Z
2026-12-21 → 2026-12-31American AirlinesAA2903 / AA2556$379.952026-10-29T01:11:30Z
2026-12-21 → 2026-12-31United AirlinesUA1478 / UA2304$405.452026-10-29T01:11:30Z
2026-12-21 → 2026-12-31Delta Air LinesDL1216 + DL3951 / DL1431 + DL2514$430.952026-10-29T01:11:30Z
2026-12-21 → 2026-12-31Frontier AirlinesF94181 / F94184$188.702026-10-29T01:11:30Z
2026-12-21 → 2026-12-31American AirlinesAA2520 / AA2556$379.952026-10-29T01:11:30Z
2026-12-21 → 2026-12-31United AirlinesUA2078 / UA2304$405.452026-10-29T01:11:30Z
2026-12-21 → 2026-12-31Frontier AirlinesF94181 / F91061 + F91756$213.702026-10-29T01:11:30Z
2026-12-21 → 2026-12-31Frontier AirlinesF91489 + F94048 / F94184$214.702026-10-29T01:11:30Z
2026-12-21 → 2026-12-31Frontier AirlinesF93227 + F92105 / F94184$214.702026-10-29T01:11:30Z
2026-12-21 → 2026-12-31American AirlinesAA2551 + AA1093 / AA2556$366.952026-10-29T01:11:30Z
2026-12-21 → 2026-12-31American AirlinesAA2520 / AA555 + AA2882$367.452026-10-29T01:11:30Z

2026-12-21 → 2026-12-31 · $188.70

  • Frontier Airlines F94181: IAH 2026-12-21 21:58:00 → PHX 2026-12-22 00:03:00; nonstop; 185 minutes. Local airport times.
  • Frontier Airlines F91704: PHX 2026-12-31 07:15:00 → IAH 2026-12-31 10:54:00; nonstop; 159 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $379.95

  • American Airlines AA2903: IAH 2026-12-21 14:11:00 → PHX 2026-12-21 16:09:00; nonstop; 178 minutes. Local airport times.
  • American Airlines AA2556: PHX 2026-12-31 09:39:00 → IAH 2026-12-31 13:25:00; nonstop; 166 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $405.45

  • United Airlines UA1478: IAH 2026-12-21 16:45:00 → PHX 2026-12-21 18:47:00; nonstop; 182 minutes. Local airport times.
  • United Airlines UA2304: PHX 2026-12-31 17:20:00 → IAH 2026-12-31 21:00:00; nonstop; 160 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $430.95

  • Delta Air Lines DL1216 / DL3951: IAH 2026-12-21 07:08:00 → PHX 2026-12-21 13:11:00; 1 stop(s) via LAX; 423 minutes. Local airport times.
    • DL1216: IAH 2026-12-21 07:08:00 → LAX 2026-12-21 08:55:00; layover at LAX: 100 minutes.
    • DL3951: LAX 2026-12-21 10:35:00 → PHX 2026-12-21 13:11:00.
  • Delta Air Lines DL1431 / DL2514: PHX 2026-12-31 14:32:00 → IAH 2026-12-31 21:58:00; 1 stop(s) via SLC; 386 minutes. Local airport times.
    • DL1431: PHX 2026-12-31 14:32:00 → SLC 2026-12-31 16:14:00; layover at SLC: 101 minutes.
    • DL2514: SLC 2026-12-31 17:55:00 → IAH 2026-12-31 21:58:00.

2026-12-21 → 2026-12-31 · $188.70

  • Frontier Airlines F94181: IAH 2026-12-21 17:49:00 → PHX 2026-12-21 19:51:00; nonstop; 182 minutes. Local airport times.
  • Frontier Airlines F94184: PHX 2026-12-31 05:30:00 → IAH 2026-12-31 09:13:00; nonstop; 163 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $379.95

  • American Airlines AA2520: IAH 2026-12-21 06:29:00 → PHX 2026-12-21 08:30:00; nonstop; 181 minutes. Local airport times.
  • American Airlines AA2556: PHX 2026-12-31 09:39:00 → IAH 2026-12-31 13:25:00; nonstop; 166 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $405.45

  • United Airlines UA2078: IAH 2026-12-21 20:13:00 → PHX 2026-12-21 22:15:00; nonstop; 182 minutes. Local airport times.
  • United Airlines UA2304: PHX 2026-12-31 17:20:00 → IAH 2026-12-31 21:00:00; nonstop; 160 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $213.70

  • Frontier Airlines F94181: IAH 2026-12-21 19:20:00 → PHX 2026-12-21 21:27:00; nonstop; 187 minutes. Local airport times.
  • Frontier Airlines F91061 / F91756: PHX 2026-12-31 13:12:00 → IAH 2026-12-31 20:35:00; 1 stop(s) via LAX; 383 minutes. Local airport times.
    • F91061: PHX 2026-12-31 13:12:00 → LAX 2026-12-31 13:42:00; layover at LAX: 93 minutes.
    • F91756: LAX 2026-12-31 15:15:00 → IAH 2026-12-31 20:35:00.

2026-12-21 → 2026-12-31 · $214.70

  • Frontier Airlines F91489 / F94048: IAH 2026-12-21 07:00:00 → PHX 2026-12-21 11:57:00; 1 stop(s) via LAS; 357 minutes. Local airport times.
    • F91489: IAH 2026-12-21 07:00:00 → LAS 2026-12-21 08:32:00; layover at LAS: 70 minutes.
    • F94048: LAS 2026-12-21 09:42:00 → PHX 2026-12-21 11:57:00.
  • Frontier Airlines F94184: PHX 2026-12-31 05:30:00 → IAH 2026-12-31 09:13:00; nonstop; 163 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $214.70

  • Frontier Airlines F93227 / F92105: IAH 2026-12-21 10:47:00 → PHX 2026-12-21 16:17:00; 1 stop(s) via DEN; 390 minutes. Local airport times.
    • F93227: IAH 2026-12-21 10:47:00 → DEN 2026-12-21 12:30:00; layover at DEN: 104 minutes.
    • F92105: DEN 2026-12-21 14:14:00 → PHX 2026-12-21 16:17:00.
  • Frontier Airlines F94184: PHX 2026-12-31 05:30:00 → IAH 2026-12-31 09:13:00; nonstop; 163 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $366.95

  • American Airlines AA2551 / AA1093: IAH 2026-12-21 06:00:00 → PHX 2026-12-21 12:30:00; 1 stop(s) via DFW; 450 minutes. Local airport times.
    • AA2551: IAH 2026-12-21 06:00:00 → DFW 2026-12-21 07:33:00; layover at DFW: 187 minutes.
    • AA1093: DFW 2026-12-21 10:40:00 → PHX 2026-12-21 12:30:00.
  • American Airlines AA2556: PHX 2026-12-31 09:39:00 → IAH 2026-12-31 13:25:00; nonstop; 166 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $367.45

  • American Airlines AA2520: IAH 2026-12-21 06:37:00 → PHX 2026-12-21 08:39:00; nonstop; 182 minutes. Local airport times.
  • American Airlines AA555 / AA2882: PHX 2026-12-31 17:02:00 → IAH 2026-12-31 23:59:00; 1 stop(s) via DFW; 357 minutes. Local airport times.
    • AA555: PHX 2026-12-31 17:02:00 → DFW 2026-12-31 20:35:00; layover at DFW: 134 minutes.
    • AA2882: DFW 2026-12-31 22:49:00 → IAH 2026-12-31 23:59:00.

More dates for this route