St. Louis, MO STL to Phoenix, AZ PHX flight with Spirit Airlines

Tue, Mar 17
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Journey information

Overview: St. Louis, MO to Phoenix, AZ flight

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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.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
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
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

The cheapest and fastest flights from St. Louis, MO to Phoenix, AZ

Showing times and prices for Mar 18

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

Cheap tickets

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.

Fast flights

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.

American Airlines
08:38PM3h32
St. Louis, MO
12:10AMPhoenix, AZ
$4531One-way
0 transfers

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*

Spirit Airlines

Most popular airline

Greyhound

Most popular bus company

Amtrak

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.

Last updated at 3:42 AM
ProviderDepartsDurationArrivesTransfers
Tickets
american_airlines1:27 PM St. Louis, MO
3h47
5:14 PM Phoenix, AZ0 transfersDirect
american_airlines1:45 PM St. Louis, MO
3h33
5:18 PM Phoenix, AZ0 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.

Wed
Mar 18
Thu
Mar 19
Fri
Mar 20
Sat
Mar 21
Sun
Mar 22
Mon
Mar 23
Tue
Mar 24

Why should you book St. Louis, MO to Phoenix, AZ flights with Omio?

Spirit Airlines as well as American Airlines offer flights services from St. Louis, MO to Phoenix, AZ.
Omio is an official ticket reseller for all your travel options from St. Louis, MO to Phoenix, AZ.

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

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
3h 24m
Cheapest Price
$117 (€96)
American Airlines frequency
23 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Entertaiment on board

Spirit Airlines

About
Spirit Airlines is an American ultra-low-cost carrier, headquartered in Dania Beach, Florida, operating scheduled flights throughout the United States, the Caribbean, and Latin America. Known for its distinctive bright yellow planes, Spirit's business model traditionally focuses on offering low base fares by unbundling services, allowing passengers to pay only for the amenities they choose, such as baggage and seat selection. As of August 2024, Spirit is evolving its offerings, introducing new fare tiers like "Go Big," "Go Comfy," "Go Savvy," and "Go," which include various bundled perks such as wider seats, extra legroom, priority boarding, and in-flight refreshments. Spirit was the seventh largest passenger carrier in North America as of 2023.
Luggage & cancellation policy
Average Duration
9h 7m
Cheapest Price
$129 (€105)
Spirit Airlines frequency
1 a day
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bags: First bag $79-89, Second bag $89-99, Additional bags $105-110
Cancellation Policy
Cancellation within 24 hours of booking is free, after that fees apply based on fare type and timing
Pregnant on board
Up to 7 days before departure with medical certificate. After 28 weeks, medical certificate required
Unaccompagned minor
Ages 5-14 can travel as unaccompanied minors for $100 fee per direction. Service not available on international flights or connecting flights
Amenities on board the airplane
Wifi
Accessibility
Spirit Airlines offers assistance for passengers with disabilities, including wheelchair services and priority boarding. Passengers are encouraged to request assistance at least 48 hours in advance to ensure availability.

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.

FAQs
Cheap plane tickets from St. Louis, MO to Phoenix, AZ can start from as little as $117 (€96) when you book in advance. The average flight ticket price for St. Louis, MO to Phoenix, AZ is $409 (€334) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from St. Louis, MO to Phoenix, AZ is 3h 24m to travel the 1270 miles (2044 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from St. Louis, MO to Phoenix, AZ leaves at 12:18 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Phoenix, AZ leaves at 11:58 PM.
Yes, there are 1 direct flights a day from St. Louis, MO to Phoenix, AZ with American Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Phoenix, AZ, you can count on Spirit Airlines, American Airlines for the best way to get you to Phoenix, AZ. You can also check all possible airlines who offer a service between St. Louis, MO and Phoenix, AZ and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Phoenix, AZ generally leave from St. Louis Lambert International Airport and arrive in Phoenix Sky Harbor International Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and Phoenix Sky Harbor International Airport is 3 miles (6 km) from Phoenix, AZ city centre.
The cheapest month for a flight from St. Louis, MO to Phoenix, AZ is May.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Phoenix, AZ including taking a bus, flight, and train.
Since neither St. Louis, MO nor Phoenix, AZ are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h in winter and 2 h in summer between St. Louis, MO and Phoenix, AZ.
The best events to attend in Phoenix, AZ include:
  • 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.
The best holidays to experience in Phoenix, AZ include:
  • 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.
The best season to visit Phoenix, AZ is Spring or Fall. The best weather to explore Phoenix, AZ is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

popular airports

Popular airports from St. Louis, MO to Phoenix, AZ

St. Louis
Phoenix
The major airport for departures in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your trip from St. Louis to Phoenix.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
2 km
carConnection
Car connection
I-70, Exit 236
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops in both terminals, including Hudson News and Tech on the Go.
Parking
Parking
  • Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
Dining
Dining
  • Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available throughout both terminals.
Hotel
Hotel
  • Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
Shower
  • Showers available in some lounges, access may require lounge fee.
Lounge
Lounge
  • Lounges available, including American Airlines Admirals Club.
Lost and Found Office
Lost and Found Office
  • Lost and Found located in terminal 1, contact airport for details.
Car Rental
Car Rental
  • Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
  • MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes

More options for your journey from St. Louis, MO to Phoenix, AZ

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