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Flights from Phoenix to Houston

Cheapest airlines flights from Phoenix to Houston

You can pick from 3 carriers that fly from Phoenix to Houston including Frontier Airlines, United Airlines, American Airlines, with Frontier Airlines serving cheapest ticket on this route.
Frontier Airlines logo Frontier Airlines United Airlines logo United Airlines American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Phoenix to Houston according to previous 12 months data from Trip.com.

Search for direct flights from Phoenix to Houston in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$30, and round-trip direct flights start at US$77.

      • Cheapest nonstop
        PHX 15:57
        2h 40m
        Nonstop
        IAH 19:37
        Phoenix - Houston | Fri, Jan 9 | Frontier Airlines
        IAH 14:24
        3h 5m
        Nonstop
        PHX 16:29
        Houston - Phoenix | Tue, Jan 13 | American Airlines
        US$77 US$188
        59% OFF
        59% OFF
        US$188 US$77
      • PHX 17:10
        2h 41m
        Nonstop
        IAH 20:51
        Phoenix - Houston | Thu, Feb 12 | Frontier Airlines
        IAH 21:41
        3h 8m
        Nonstop
        PHX 23:49
        Houston - Phoenix | Sun, Feb 15 | Frontier Airlines
        US$110 US$188
        41% OFF
        41% OFF
        US$188 US$110
      • PHX 20:06
        2h 33m
        Nonstop
        IAH 23:39
        Phoenix - Houston | Fri, Jan 9 | American Airlines
        IAH 14:24
        3h 5m
        Nonstop
        PHX 16:29
        Houston - Phoenix | Tue, Jan 13 | American Airlines
        US$111 US$188
        41% OFF
        41% OFF
        US$188 US$111
      • PHX 07:15
        2h 36m
        Nonstop
        IAH 10:51
        Phoenix - Houston | Mon, Jan 19 | United Airlines
        IAH 14:47
        3h 6m
        Nonstop
        PHX 16:53
        Houston - Phoenix | Wed, Jan 21 | United Airlines
        US$126
        33% OFF
        US$188 US$126
      • PHX 18:04
        2h 36m
        Nonstop
        IAH 21:40
        Phoenix - Houston | Wed, Dec 24 | Frontier Airlines
        IAH 22:28
        3h
        Nonstop
        PHX 00:28
        Houston - Phoenix | Mon, Dec 29 | Frontier Airlines
        US$134
        28% OFF
        US$188 US$134
      • PHX 16:59
        2h 34m
        Nonstop
        IAH 20:33
        Phoenix - Houston | Mon, Jan 19 | Frontier Airlines
        IAH 14:24
        3h 5m
        Nonstop
        PHX 16:29
        Houston - Phoenix | Wed, Jan 21 | American Airlines
        US$138
        26% OFF
        US$188 US$138
      • PHX 17:50
        2h 43m
        Nonstop
        IAH 21:33
        Phoenix - Houston | Sun, Jan 11 | Frontier Airlines
        IAH 14:24
        3h 5m
        Nonstop
        PHX 16:29
        Houston - Phoenix | Wed, Jan 14 | American Airlines
        US$139
        26% OFF
        US$188 US$139
      • PHX 15:55
        6h 44m
        1 stop
        IAH 23:39
        Phoenix - Houston | Wed, Jan 28 | Frontier Airlines
        IAH 14:43
        3h 13m
        Nonstop
        PHX 16:56
        Houston - Phoenix | Sat, Jan 31 | Frontier Airlines
        US$98
        48% OFF
        US$188 US$98
      • PHX 23:53
        9h 28m
        1 stop
        HOU 10:21
        Phoenix - Houston | Wed, Jan 28 | Delta Air Lines
        IAH 14:43
        3h 13m
        Nonstop
        PHX 16:56
        Houston - Phoenix | Sat, Jan 31 | Frontier Airlines
        US$125
        33% OFF
        US$188 US$125
      • PHX 23:35
        9h 26m
        1 stop
        HOU 10:01
        Phoenix - Houston | Wed, Dec 24 | Delta Air Lines
        IAH 22:35
        3h
        Nonstop
        PHX 00:35
        Houston - Phoenix | Wed, Dec 31 | Frontier Airlines
        US$132
        30% OFF
        US$188 US$132
      • PHX 13:00
        17h 25m
        1 stop
        HOU Invalid Date
        Phoenix - Houston | Thu, Dec 18 | Normal Airline
        HOU 15:00
        6h
        Nonstop
        PHX 16:00
        Houston - Phoenix | Sat, Dec 20 | Normal Airline
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      • Cheapest nonstop
        PHX 16:59
        2h 34m
        Nonstop
        IAH 20:33
        Phoenix - Houston | Sun, Jan 18 | Frontier Airlines
        US$30 US$90
        67% OFF
        67% OFF
        US$90 US$30
      • PHX 08:15
        2h 45m
        Nonstop
        IAH 12:00
        Phoenix - Houston | Thu, Jan 29 | Frontier Airlines
        US$39 US$90
        56% OFF
        56% OFF
        US$90 US$39
      • PHX 17:50
        2h 43m
        Nonstop
        IAH 21:33
        Phoenix - Houston | Thu, Jan 8 | Frontier Airlines
        US$42 US$90
        54% OFF
        54% OFF
        US$90 US$42
      • PHX 10:09
        2h 39m
        Nonstop
        IAH 13:48
        Phoenix - Houston | Fri, Jan 23 | Frontier Airlines
        US$45
        50% OFF
        US$90 US$45
      • PHX 16:59
        2h 34m
        Nonstop
        IAH 20:33
        Phoenix - Houston | Fri, Jan 16 | Frontier Airlines
        US$46
        49% OFF
        US$90 US$46
      • PHX 16:30
        2h 34m
        Nonstop
        IAH 20:04
        Phoenix - Houston | Thu, Jan 15 | Frontier Airlines
        US$46
        49% OFF
        US$90 US$46
      • PHX 17:50
        2h 43m
        Nonstop
        IAH 21:33
        Phoenix - Houston | Sun, Jan 11 | Frontier Airlines
        US$65
        27% OFF
        US$90 US$65
      • PHX 07:15
        2h 36m
        Nonstop
        IAH 10:51
        Phoenix - Houston | Sun, Jan 18 | United Airlines
        US$66
        26% OFF
        US$90 US$66
      • PHX 08:30
        14h 9m
        1 stop
        IAH 23:39
        Phoenix - Houston | Wed, Feb 4 | Frontier Airlines
        US$57
        36% OFF
        US$90 US$57
      • PHX 14:10
        22h 45m
        1 stop
        IAH 13:55
        Phoenix - Houston | Wed, Jan 14 | Frontier Airlines
        US$64
        28% OFF
        US$90 US$64
      • PHX 13:00
        17h 25m
        1 stop
        HOU Invalid Date
        Phoenix - Houston | Thu, Dec 18 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Phoenix to Houston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Phoenix to Houston Flight Details

The distance between Phoenix and Houston is about 1,638.53 km. The average flying time from Phoenix to Houston is around 3 hours 36 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$30
Cheapest return ticket priceUS$77
Cheapest monthNovember
Peak season for travelJuly
Flight distance1,638.53 km
Average flight time3 hours 36 minutes
Popular airlineFrontier Airlines
Flight statistics for the Phoenix–Houston route are based on aggregated booking data from Trip.com over the past 12 months.

When is the cheapest time to book flights from Phoenix to Houston?

The cheapest time to fly from Phoenix to Houston: Jan 11 to Jan 18 — one-way prices start at US$30.

Cheapest flights
From price
Search
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Phoenix to Houston (PHX-HOU)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$30 on Cheapest nonstop routes (e.g. PHX to IAH on Sun, Jan 18), while Frontier Airlines offers Cheapest nonstop round-trips from US$77 departing on Fri, Jan 9 and returning on Tue, Jan 13.
  • At the moment, you can catch a nonstop flight from Phoenix to Houston with the following airlines, including: American Airlines Frontier Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 36 minutes to fly from Phoenix to Houston.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phoenix to Houston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 54 flight per week flying from Phoenix to Houston. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA477 (07:17) American Airlines: -/M/T/-/-/-/- -- AA3232 (20:09)
  • To find best deals on flights from Phoenix to Houston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jan 18, with one-way flights priced at just US$30.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Houston travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phoenix to Houston is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Phoenix to Houston on December 24, 2025 with Frontier Airlines, with prices starting at US$31.
  • You can land at any one of the following hubs in Houston, with Phoenix Sky Harbor International Airport to George Bush Intercontinental Airport (PHX-IAH) is by far the most common option on this route: William P. Hobby Airport (HOU) George Bush Intercontinental Airport (IAH).
  • The time difference between Houston and Phoenix is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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