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>

$29 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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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$86

Overall average: $267

Frontier

Fri 1/9Sun 1/11

LAS - STL • Non-stop

Cheapest one-way

$29

Typical prices: $168-$360

Frontier

Fri 11/21

PHX - 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 - Sun, Jan 11

7:00 am - 12:12 pmLAS-STL

3h 12mnonstop

9:47 pm - 11:35 pmSTL-LAS

3h 48mnonstop

$86Frontier

Find Deal

Fri, Jan 16 - Sun, Jan 25

7:00 am - 12:15 pmLAS-STL

3h 15mnonstop

5:44 pm - 7:33 pmSTL-LAS

3h 49mnonstop

$87Frontier

Find Deal

Thu, Jan 22 - Sun, Jan 25

11:28 am - 4:49 pmLAS-STL

3h 21mnonstop

5:44 pm - 7:33 pmSTL-LAS

3h 49mnonstop

$88Frontier

Find Deal

Thu, Dec 18 - Fri, Jan 2

12:59 am - 10:02 amLAS-STL

7h 03m1 stop

10:10 pm - 12:02 amSTL-LAS

3h 52mnonstop

$93Frontier

Find Deal

Thu, Jan 29 - Tue, Feb 3

9:49 pm - 8:53 pmTUS-STL

22h 04m1 stop

2:50 pm - 11:59 pmSTL-TUS

10h 09m1 stop

$251Multiple Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

8:15 am - 4:55 pmTUS-STL

7h 40m1 stop

2:45 pm - 9:26 pmSTL-TUS

7h 41m1 stop

$267United Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

8:15 am - 4:55 pmTUS-STL

7h 40m1 stop

9:57 am - 6:07 pmSTL-TUS

9h 10m2 stops

$272United Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

12:30 pm - 10:14 amTUS-STL

20h 44m1 stop

7:00 am - 3:45 pmSTL-TUS

9h 45m1 stop

$277Multiple Airlines

Find Deal

Wed, Jan 28 - Wed, Feb 4

12:24 pm - 9:38 pmTUS-STL

8h 14m1 stop

9:59 am - 4:44 pmSTL-TUS

7h 45m1 stop

$287Delta

Find Deal

Wed, Jan 28 - Wed, Feb 4

6:25 am - 2:43 pmTUS-STL

7h 18m2 stops

2:38 pm - 9:47 pmSTL-TUS

8h 09m1 stop

$292American Airlines

Find Deal

Useful Info

Low season	January
High season	May
Cheapest flight	$29

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Phoenix 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

$29 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