# Who flies Phoenix → Houston (any) nonstop?

**4 airlines fly Phoenix → Houston (any) nonstop: American Airlines (IAH), Frontier Airlines (IAH), Southwest Airlines (HOU) and United Airlines (IAH).**

| Airline | Routes | Book direct |
|---|---|---|
| American Airlines | Phoenix Sky Harbor (PHX) → George Bush Intercontinental (IAH) | https://www.aa.com |
| Frontier Airlines | Phoenix Sky Harbor (PHX) → George Bush Intercontinental (IAH) | https://www.flyfrontier.com/ |
| Southwest Airlines | Phoenix Sky Harbor (PHX) → William P. Hobby (HOU) | https://www.southwest.com/ |
| United Airlines | Phoenix Sky Harbor (PHX) → George Bush Intercontinental (IAH) | https://www.united.com |

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Compare fares for PHX-IAH: [Trip.com](https://www.trip.com/flights/phoenix-to-houston/tickets-PHX-IAH/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/PHX0911IAH1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=PHX&to=@houston · JSON: https://picktheflight.com/intents/PHX/@houston

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Data built 2026-10-12 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.