How does KAYAK find such low prices on flights from Arizona to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Arizona to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$39 Cheap Flights from Arizona to St. Louis

STL

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

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Cheapest round-trip

$79

Typical prices: $155-$321

Frontier

Fri 1/9Mon 1/12

LAS - STL • Non-stop

Cheapest one-way

$39

Typical prices: $97-$188

Frontier

Fri 1/16

LAS - STL • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Arizona to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Arizona to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Arizona to St. Louis

Fri, Jan 9 - Mon, Jan 12

7:00 am - 12:12 pm

LAS

STL

3h 12mnonstop

1:07 pm - 2:53 pm

STL

LAS

3h 46mnonstop

$79Frontier

Fri, Feb 6 - Mon, Feb 9

3:32 pm - 8:48 pm

LAS

STL

3h 16mnonstop

9:45 pm - 11:44 pm

STL

LAS

3h 59mnonstop

$80Frontier

Mon, Jan 12 - Mon, Jan 19

7:00 am - 12:12 pm

LAS

STL

3h 12mnonstop

1:35 pm - 3:30 pm

STL

LAS

3h 55mnonstop

$88Frontier

Sat, Feb 7 - Sun, Feb 8

7:30 am - 11:18 am

LAS

STL

25h 48m1 stop

9:32 pm - 11:31 pm

STL

LAS

3h 59mnonstop

$104Frontier

Tue, Jan 27 - Sat, Jan 31

3:06 pm - 6:51 am

PHX

STL

14h 45m2 stops

3:46 pm - 11:53 pm

STL

PHX

9h 07m1 stop

$162Multiple Airlines

Sat, Feb 14 - Wed, Feb 18

4:02 pm - 11:50 pm

TUS

STL

6h 48m1 stop

9:32 am - 3:56 pm

STL

TUS

7h 24m1 stop

$243American Airlines

Wed, Feb 18 - Sat, Feb 21

1:35 pm - 10:20 pm

TUS

STL

7h 45m1 stop

6:35 pm - 11:00 pm

STL

TUS

5h 25m1 stop

$265Southwest

Wed, Jan 28 - Wed, Feb 4

2:38 pm - 11:25 pm

TUS

STL

7h 47m1 stop

2:38 pm - 10:37 pm

STL

TUS

8h 59m1 stop

$287Delta

Wed, Feb 18 - Sat, Feb 21

3:45 pm - 10:05 pm

TUS

STL

5h 20m1 stop

8:45 am - 2:55 pm

STL

TUS

7h 10m2 stops

$302Southwest

Wed, Feb 25 - Sun, Mar 1

4:02 pm - 12:05 am

TUS

STL

7h 03m1 stop

11:46 am - 6:40 pm

STL

TUS

7h 54m1 stop

$334American Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$39

Best time to beat the crowds with an average 9% drop in price.

Flight from Las Vegas to St. Louis

How does KAYAK find such low prices on flights from Arizona to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Arizona to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

STL

$39 Find Cheap Flights from Arizona to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Everything you should know

Cheap Flights from Arizona to St. Louis

Recent round-trip flight deals from Arizona to St. Louis

Recent one-way flight deals from Arizona to St. Louis

Recent last minute flight deals from Arizona to St. Louis

Recent direct flight deals from Arizona to St. Louis

Good to know

FAQs for booking flights from Arizona to St. Louis

How does KAYAK find such low prices on flights from Arizona to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Arizona to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to Arizona

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight