# Who flies St. Louis → Tucson nonstop?

**No airline flies St. Louis → Tucson nonstop in picktheflight's data. Nearest nonstop: St. Louis (STL) → Phoenix (PHX) with American Airlines, Frontier Airlines and Southwest Airlines (PHX is 177 km away).**

Nearby airports with a nonstop:

- St. Louis Lambert (STL) → Phoenix Sky Harbor (PHX) (177 km away): American Airlines, Frontier Airlines, Southwest Airlines

On picktheflight: https://picktheflight.com/?from=STL&to=TUS · JSON: https://picktheflight.com/intents/STL/TUS

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Data built 2026-10-26 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.