Journey information
Overview: St. Louis, MO to Phoenix, AZ flight
Flights from St. Louis, MO to Phoenix, AZ depart on average 46 times per day, taking around 4h 49m. Cheap flight tickets for this journey start at $117 (€96) if you book in advance.
There are 1 flights per day. The earliest flight runs at 00:18, the last at 23:58. The fastest flight covers the 1270 miles (2044 km) distance in 3h 24m. May is the cheapest month to fly.
Distance 1270 miles (2044 km) |
Average flight duration 4h 49m |
Cheapest ticket price $117 (€96) |
Flights per day 46 |
Direct flights 1 |
Fastest flight 3h 24m |
First flight 00:18 |
Last flight 23:58 |
Cheapest month May |
Cheapest day Fri |
High season Jan - Mar |
Low season Oct - Dec |
Best day to book ahead 21 days |
The cheapest and fastest flights from St. Louis, MO to Phoenix, AZ
Cheapest price
$453
Average price
$453
Fastest journey
3 h 32 m
Average duration
3 h 32 m
Flights per day
1
Distance
2044 km
The best way to find a cheap flight ticket from St. Louis, MO to Phoenix, AZ is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from St. Louis, MO to Phoenix, AZ will cost around $453 if you buy it on the day, but the cheapest tickets can be found for only $453.
Of the 1 flights that leave St. Louis, MO for Phoenix, AZ onWed, Mar 18, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Mar 18 the direct flights cover the 2044 km distance in an average of 3 h 32 m but if you time it right, some flights will get you there in just 3 h 32 m .
On Wed, Mar 18 the longest flights will take 3 h 32 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Travel Information
Compare bus, flight, and train for St. Louis, MO to Phoenix, AZ
Omio recommends booking the bus as it is the most popular option from St. Louis, MO to Phoenix, AZ among Omio's users. If you are prioritising price take the bus with prices starting from $126. For those with little time consider booking a flight which can get you there in 4h 49m. The ticket price range depends on the travel mode: a bus costs an average of $126, and a train costs an average of $209.
Distance: 1270 miles (2044 km)
Compare flight with
| Flight | Most popular Bus | Train |
|---|---|---|
$409 Average price | $264 Average price Cheapest | $416 Average price |
7h 49m Average total duration Fastest 4h 49m Onboard + 3h 0m Additional time* | 30h 40m Average total duration 30h 10m Onboard + 30m Additional time* | 52h 5m Average total duration 51h 35m Onboard + 30m Additional time* |
![]() Most popular airline | ![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options | Direct Options |
Live departures
St. Louis, MO to Phoenix, AZ flight times
The table below shows live departures for St. Louis, MO to Phoenix, AZ flights for today, Tuesday, March 17. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 1:27 PM St. Louis, MO | 3h47 | 5:14 PM Phoenix, AZ | 0 transfersDirect | |
![]() | 1:45 PM St. Louis, MO | 3h33 | 5:18 PM Phoenix, AZ | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to Phoenix, AZ by bus, flight, or train
Compare bus, flight, and train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Mar 18
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Mar 23
Mar 24
Why should you book St. Louis, MO to Phoenix, AZ flights with Omio?
Why book with Omio vs Spirit Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Spirit Airlines, but also compare tickets for the likes of American Airlines to find the best option for your trip from St. Louis, MO to Phoenix, AZ.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Spirit Airlines with all available travel options, which are bus, flight and train to ensure you get the best deal for traveling from St. Louis, MO to Phoenix, AZ.
Why book with Omio over Edreams, Kayak or Trip?
- Compare with other providers: On Omio, you can also compare tickets for the likes of American Airlines to find the best option for your trip from St. Louis, MO to Phoenix, AZ.
- Multiple modes of transport: Omio allows you to compare travel options including bus, flight and train to find the ideal travel option from St. Louis, MO to Phoenix, AZ.
Airlines: Spirit Airlines, American Airlines from St. Louis, MO to Phoenix, AZFind the best flights between St. Louis, MO to Phoenix, AZ with Omio's travel partners Spirit Airlines, American Airlines from $117 (€96). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
American Airlines
Spirit Airlines
FAQs: St. Louis, MO to Phoenix, AZ Flight
Find answers to the most common questions about traveling from St. Louis, MO to Phoenix, AZ by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Phoenix, AZ, this guide helps you travel smarter and with confidence.

- Arizona State Fair, a month-long fair featuring rides, games, and live entertainment
- Phoenix Film Festival, an annual event showcasing independent films and filmmakers
- Phoenix Pride Festival, a celebration of the LGBTQ+ community with a parade and various activities
- Dia de los Muertos Festival, a cultural festival honoring the Day of the Dead with altars, music, and food.
- Memorial Day, warm weather and outdoor activities
- Independence Day, fireworks and patriotic celebrations
- Labor Day, a long weekend perfect for relaxation and travel
- Thanksgiving, mild temperatures and a chance to enjoy family gatherings.
popular airports
Popular airports from St. Louis, MO to Phoenix, AZ
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
- Free Wi-Fi available throughout the airport.
- Shops in all terminals, including duty-free and local brands.
- Parking available at P1, P4, and P6, approximately 2.8€ (CAD 4) per hour.
- Various restaurants in all terminals, including Mexican and American cuisine
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels nearby, such as the Hilton Phoenix Airport.
- Showers available at the airport lounges.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 4.
- Car rental services available from companies like Hertz and Avis
- Valley Metro Rail, PHX Sky Train, 3 miles
More options for your journey from St. Louis, MO to Phoenix, AZ
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