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>

$58 CHEAP FLIGHTS from Arizona to St. Louis

STL

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

...and more

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

Cheapest round-trip

$117

Overall average: $266

Frontier

Fri 3/6Sun 3/8

LAS - STL • Non-stop

Cheapest one-way

$58

Typical prices: $158-$400

Frontier

Fri 2/13

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

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, Mar 6 - Sun, Mar 8

6:05 am - 11:19 am

LAS

STL

3h 14mnonstop

6:19 pm - 8:09 pm

STL

LAS

3h 50mnonstop

$117Frontier

Wed, Mar 18 - Sun, Mar 22

6:05 am - 11:19 am

LAS

STL

3h 14mnonstop

8:06 pm - 10:08 pm

STL

LAS

4h 02mnonstop

$121Frontier

Fri, Mar 27 - Mon, Mar 30

6:05 am - 11:19 am

LAS

STL

3h 14mnonstop

12:14 pm - 2:11 pm

STL

LAS

3h 57mnonstop

$126Frontier

Thu, May 7 - Sat, May 9

2:20 pm - 10:05 pm

LAS

STL

5h 45m

1 stop

4:00 pm - 8:05 pm

STL

LAS

6h 05m

1 stop

$139Southwest

Sat, Apr 25 - Tue, Apr 28

12:49 pm - 11:34 pm

TUS

STL

8h 45m

1 stop

6:00 am - 11:39 am

STL

TUS

7h 39m

1 stop

$307Delta

Sat, Apr 4 - Wed, Apr 8

3:28 pm - 11:58 pm

TUS

STL

6h 30m

1 stop

7:03 am - 11:30 am

STL

TUS

6h 27m

1 stop

$315Delta

Sat, Mar 7 - Wed, Mar 11

5:43 pm - 11:34 pm

TUS

STL

4h 51m

1 stop

9:00 am - 3:47 pm

STL

TUS

8h 47m

1 stop

$323United Airlines

Sat, Mar 7 - Wed, Mar 11

5:43 pm - 11:34 pm

TUS

STL

4h 51m

1 stop

7:40 am - 3:47 pm

STL

TUS

10h 07m

2 stops

$328United Airlines

Thu, May 7 - Tue, May 12

3:51 pm - 10:59 pm

TUS

STL

5h 08m

1 stop

2:37 pm - 7:50 pm

STL

TUS

7h 13m

1 stop

$334American Airlines

Thu, May 7 - Tue, May 12

3:51 pm - 10:59 pm

TUS

STL

5h 08m

1 stop

5:21 pm - 11:59 pm

STL

TUS

8h 38m

1 stop

$344American Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$58

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly and prices are also 5% 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

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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

$58 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