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.

$73 CHEAP FLIGHTS from Arizona to St. Louis

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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

Sat, Oct 10 - Sat, Oct 17

7:02 am - 11:59 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

14h 57m1 stop Seattle/Tacoma Intl

4:42 pm - 10:59 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

8h 17m1 stop Seattle/Tacoma Intl

$177Alaska Airlines

Tue, Sep 29 - Fri, Oct 2

6:29 pm - 5:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

20h 41m1 stop Portland

6:08 pm - 9:54 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

17h 46m1 stop Portland

$177Alaska Airlines

Tue, Oct 13 - Wed, Oct 21

9:53 pm - 5:40 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

17h 47m1 stop Atlanta Hartsfield-Jackson

6:35 pm - 10:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

30h 17m1 stop Atlanta Hartsfield-Jackson

$209Frontier

Sat, Sep 26 - Mon, Sep 28

9:40 am - 7:17 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

7h 37m1 stop Denver Intl

8:10 pm - 7:20 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

25h 10m2 stops Denver Intl San Diego

$212Frontier

Wed, Oct 14 - Sat, Oct 17

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:03 am - 9:38 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 35mnonstop

$297American Airlines

Sat, Oct 10 - Sat, Oct 17

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

2:31 pm - 4:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 34mnonstop

$297American Airlines

Wed, Sep 23 - Tue, Oct 6

5:40 pm - 10:40 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:50 pm - 10:10 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$297Southwest

Wed, Oct 14 - Wed, Oct 28

5:00 am - 9:50 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

6:20 am - 7:40 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$297Southwest

Thu, Oct 15 - Mon, Oct 19

6:06 am - 2:10 pmTUS Tucson-STL Lambert-St Louis

6h 04m1 stop Houston George Bush Intcntl

3:12 pm - 9:10 pmSTL Lambert-St Louis-TUS Tucson

7h 58m1 stop Houston George Bush Intcntl

$355United Airlines

Thu, Oct 1 - Mon, Oct 5

1:40 pm - 8:36 pmTUS Tucson-STL Lambert-St Louis

4h 56m1 stop Denver Intl

3:12 pm - 9:10 pmSTL Lambert-St Louis-TUS Tucson

7h 58m1 stop Houston George Bush Intcntl

$355United Airlines

Recent last minute flight deals from Arizona to St. Louis

Fri, Sep 4 - Mon, Sep 7

6:00 am - 7:13 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

11h 13m1 stop Denver Intl

6:45 pm - 8:20 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$242Frontier

Sat, Sep 5 - Mon, Sep 7

9:41 pm - 4:11 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

16h 30m1 stop Orlando

6:45 pm - 8:20 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$242Frontier

Sat, Sep 5 - Sun, Sep 6

5:25 pm - 10:25 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

7:45 pm - 8:55 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$425Southwest

Sat, Sep 5 - Sun, Sep 6

1:25 pm - 9:40 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

6h 15m1 stop Denver Intl

10:40 am - 11:50 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$435Southwest

Sat, Sep 5 - Wed, Sep 16

9:15 am - 4:34 pmTUS Tucson-STL Lambert-St Louis

5h 19m1 stop Denver Intl

9:00 am - 12:27 pmSTL Lambert-St Louis-TUS Tucson

5h 27m1 stop Denver Intl

$446United Airlines

Sat, Sep 5 - Wed, Sep 16

1:17 pm - 8:26 pmTUS Tucson-STL Lambert-St Louis

5h 09m1 stop Dallas/Fort Worth

8:30 am - 1:34 pmSTL Lambert-St Louis-TUS Tucson

7h 04m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$451American Airlines

Sat, Sep 5 - Wed, Sep 9

12:30 pm - 5:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 07mnonstop

2:30 pm - 3:46 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 16mnonstop

$503American Airlines

Sat, Sep 5 - Wed, Sep 16

9:15 am - 10:59 pmTUS Tucson-STL Lambert-St Louis

11h 44m2 stops Denver Intl Chicago O'Hare Intl

10:53 am - 8:35 pmSTL Lambert-St Louis-TUS Tucson

11h 42m2 stops Chicago O'Hare Intl Denver Intl

$547United Airlines

Fri, Sep 4 - Sun, Sep 6

5:10 pm - 12:41 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

5h 31m1 stop Salt Lake City

6:20 am - 10:52 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

6h 32m1 stop Minneapolis St Paul

$555Delta

Sat, Sep 5 - Sun, Sep 6

11:20 am - 11:31 pmTUS Tucson-STL Lambert-St Louis

10h 11m2 stops Salt Lake City Atlanta Hartsfield-Jackson

5:23 pm - 9:41 pmSTL Lambert-St Louis-TUS Tucson

6h 18m1 stop Atlanta Hartsfield-Jackson

$756Delta

Recent direct flight deals from Arizona to St. Louis

Sat, Sep 19 - Wed, Sep 23

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$235Frontier

Sat, Sep 26 - Mon, Sep 28

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$235Frontier

Thu, Sep 17 - Mon, Sep 21

6:00 am - 11:17 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$235Frontier

Sat, Sep 19 - Wed, Sep 23

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$253Frontier

Tue, Oct 13 - Sat, Oct 17

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:03 am - 9:38 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 35mnonstop

$297American Airlines

Sat, Oct 24 - Wed, Oct 28

8:35 am - 1:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 02mnonstop

8:03 am - 9:38 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 35mnonstop

$297American Airlines

Wed, Sep 30 - Wed, Oct 7

6:00 am - 10:55 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

8:50 pm - 10:10 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$297Southwest

Wed, Oct 14 - Wed, Oct 28

5:00 am - 9:50 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

6:20 am - 7:40 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$297Southwest

Sat, Oct 10 - Sat, Oct 17

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

2:31 pm - 4:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 34mnonstop

$297American Airlines

Wed, Nov 11 - Tue, Nov 17

6:15 pm - 10:05 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

5:55 am - 8:20 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$297Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$73

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 9% increase 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.

Fenton

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

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Return flight deals

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

St. Louis (STL)

STL

$73 Find Cheap Flights from Arizona to St. Louis - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from Arizona to St. Louis

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