Route guide · 1,007 miles
Cheap Flights from Phoenix to Houston
PHX → IAH · Nonstop 2h 33m · Live round-trip fares
Plenty of travelers price out Phoenix to Houston every day — here's how to beat the average fare. Nonstops run about 2h 33m, and the calendar matters more than the airline. Aim to book 3–6 weeks ahead, stay flexible on the day of the week, and set a free alert so a price drop never slips past you.
Live fares for PHX → IAH are updating. Use the search below for real-time prices.
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Updated daily
Flight time
2h 33m
Nonstop, typical
Distance
1,007 mi
PHX → IAH
Book ahead
3–6 weeks
Best window, typically
Nonstop airlines
2
American Airlines, United Airlines
Nonstop flights from Phoenix to Houston
Nonstop service links Phoenix and Houston directly — flights are flown by American Airlines, United Airlines. Expect roughly 2h 33m in the air. If a nonstop is what you want, don't wait too long: booking 3–6 weeks ahead is when these seats are priced most kindly.
Booking insights: Phoenix → Houston
- Distance: 1,007 miles · nonstop flight time: 2h 33m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $138.
- Rule of thumb for this route: the sweet spot is usually 3–6 weeks before departure.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
Cheapest month · Phoenix → Houston
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$138
Cheapest: Sat, Oct 24 — $138
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Phoenix to Houston: what you need to know
The flight
Phoenix to Houston covers 1,007 miles, and a nonstop gets it done in about 2h 33m. That's long enough to settle in with a coffee and a downloaded show, short enough that a connection rarely makes sense — a layover usually doubles your travel day to save very little.
Airlines on this route
American Airlines and United Airlines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Phoenix (PHX)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Phoenix airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Houston (IAH)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Houston airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Houston to Phoenix fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 1,007 miles, booking 3–6 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Nonstop time on this route is about 2h 33m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
Phoenix to Houston flight FAQs
How long is the flight from PHX to IAH?
Plan on about 2h 33m in the air for a nonstop from Phoenix to Houston — the route runs roughly 1,007 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Phoenix to Houston?
Yes — look for American Airlines, United Airlines on this route. Nonstop seats are usually priced best 3–6 weeks before departure.
What is the cheapest month to fly from Phoenix to Houston?
Fares from Phoenix to Houston tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from PHX to IAH?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 3–6 weeks booking window is where the value sits.
What is a good round-trip deal from Phoenix to Houston?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Phoenix to Houston?
The main carriers on this route are American Airlines, United Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Phoenix airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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