Cheap flights from Phoenix to Houston

One-way fares from $91 · PHX → HOU · prices found by travellers in the last 48 hours

Compare all dates Houston → Phoenix
Cheapest fare
$91

Frontier Airlines · Mon, Nov 16

Cheapest month
November

from $91

Direct flights
Yes

Frontier Airlines

Flight time
2h 50m

1,630 km

Get a price alert

We'll email you when Phoenix → Houston drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $91. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Phoenix to Houston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $91

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart17:32 Mon, Nov 16PHX → IAH 6h 00m · 2 stops
$91one way, per person
View deal
Frontier Airlines
Depart06:09 Fri, Nov 27PHX → IAH 2h 50m · Direct
$112one way, per person
View deal
Frontier Airlines
Depart15:46 Tue, Nov 17PHX → IAH 4h 22m · 1 stop
$117one way, per person
View deal
Frontier Airlines
Depart15:46 Tue, Nov 10PHX → IAH 4h 22m · 1 stop
$135one way, per person
View deal
Frontier Airlines
Depart06:00 Thu, Nov 12PHX → IAH 2h 50m · Direct
$147one way, per person
View deal
Frontier Airlines
Depart06:00 Sun, Nov 15PHX → IAH 2h 50m · Direct
$149one way, per person
View deal
Frontier Airlines
Depart20:59 Sun, Nov 29PHX → IAH 4h 35m · 1 stop
$199one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Houston

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in HoustonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in HoustonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in HoustonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in HoustonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Phoenix to Houston

Phoenix (PHX) and Houston (HOU) are about 1,630 km apart. Direct flights take around 2h 50m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $91, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Phoenix to Houston?

The cheapest one-way fare we've seen recently is $91 with Frontier Airlines, departing Monday, November 16, 2026.

What is the cheapest month to fly from Phoenix to Houston?

November 2026 currently has the lowest fares, from $91 one way.

Are there direct flights from Phoenix to Houston?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Phoenix to Houston?

A direct flight takes about 2h 50m. Phoenix and Houston are around 1,630 km apart.

Which airlines fly from Phoenix to Houston?

Recent fares on this route were with Frontier Airlines.

More cheap flights from Phoenix

Compare flights to Houston from other cities →