How much is a flight from Phoenix to Saint Louis?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Phoenix and Saint Louis.

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

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Phoenix - Saint Louis route.

Are there multiple airports in Phoenix and Saint Louis?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Phoenix: Mesa Gateway is an alternative to Phoenix - Sky Harbor International.
• Airports in Saint Louis: Saint Louis - Lambert is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Refine your flight search from Phoenix 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 Expedia, eDreams, and top carriers.

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.