How much is a flight from Phoenix Mesa Gateway to Saint Louis?

There’s no fixed price — fares between Phoenix and Saint Louis can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying between Phoenix and Saint Louis? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Phoenix: Phoenix has only one airport in service, Phoenix - Mesa Gateway.
• Airports in Saint Louis: The only active option is Saint Louis - Lambert.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Phoenix airports in a single search.

Refine your flight search from Phoenix Mesa Gateway to Saint Louis

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.