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.

$87 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

Tue, Sep 29 - Wed, Sep 30

10:04 pm - 1:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

13h 06m1 stop Atlanta Hartsfield-Jackson

2:29 pm - 10:26 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

9h 57m1 stop Atlanta Hartsfield-Jackson

$174Frontier

Thu, Oct 22 - Mon, Oct 26

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

5:53 pm - 11:29 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

7h 36m1 stop Dallas/Fort Worth

$183Frontier

Tue, Sep 29 - Tue, Oct 6

10:04 pm - 1:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

13h 06m1 stop Atlanta Hartsfield-Jackson

7:02 am - 6:28 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

13h 26m2 stops Seattle/Tacoma Intl San Diego

$300Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

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

3h 17mnonstop

7:02 am - 1:25 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

8h 23m1 stop Seattle/Tacoma Intl

$308Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

6:00 am - 5:44 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

9h 44m2 stops Seattle/Tacoma Intl Salt Lake City

11:20 am - 10:22 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

13h 02m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$353Delta

Wed, Oct 7 - Wed, Oct 14

1:51 pm - 8:43 pmTUS Tucson-STL Lambert-St Louis

4h 52m1 stop Phoenix Sky Harbor Intl

6:32 am - 12:33 pmSTL Lambert-St Louis-TUS Tucson

8h 01m1 stop Dallas/Fort Worth

$355American Airlines

Wed, Oct 14 - Sat, Oct 24

12:00 pm - 7:48 pmTUS Tucson-STL Lambert-St Louis

5h 48m1 stop Dallas/Fort Worth

2:31 pm - 7:49 pmSTL Lambert-St Louis-TUS Tucson

7h 18m1 stop Phoenix Sky Harbor Intl

$355American Airlines

Wed, Oct 14 - Sat, Oct 24

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

6h 04m1 stop Houston George Bush Intcntl

1:25 pm - 8:25 pmSTL Lambert-St Louis-TUS Tucson

9h 00m2 stops Chicago O'Hare Intl Denver Intl

$360United Airlines

Thu, Oct 1 - Tue, Oct 6

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

4h 56m1 stop Denver Intl

1:29 pm - 8:25 pmSTL Lambert-St Louis-TUS Tucson

8h 56m2 stops Chicago O'Hare Intl Denver Intl

$360United Airlines

Tue, Oct 20 - Tue, Oct 27

6:00 am - 5:44 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

9h 44m2 stops Seattle/Tacoma Intl Salt Lake City

2:22 pm - 10:22 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

10h 00m2 stops Salt Lake City Seattle/Tacoma Intl

$373Delta

Recent last minute flight deals from Arizona to St. Louis

Wed, Sep 9 - Wed, Sep 16

12:59 am - 9:35 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

6h 36m1 stop Dallas/Fort Worth

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

3h 35mnonstop

$260Frontier

Thu, Sep 10 - Wed, Sep 16

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

$294Frontier

Tue, Sep 15 - Tue, Sep 22

9:45 am - 7:07 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

7h 22m1 stop Dallas/Fort Worth

5:18 pm - 11:00 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

7h 42m1 stop Chicago O'Hare Intl

$415American Airlines

Fri, Sep 11 - Sat, Sep 12

11:50 pm - 10:18 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

8h 28m1 stop Chicago O'Hare Intl

12:46 pm - 5:21 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

6h 35m1 stop Dallas/Fort Worth

$473American Airlines

Tue, Sep 15 - Tue, Sep 22

3:10 pm - 7:17 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

26h 07m1 stop Denver Intl

6:29 am - 4:48 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

12h 19m2 stops Seattle/Tacoma Intl San Diego

$551Multiple Airlines

Sat, Sep 12 - Mon, Sep 14

6:10 am - 11:05 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

8:45 pm - 10:00 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$627Southwest

Mon, Sep 14 - Tue, Sep 15

6:55 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

5:00 pm - 6:15 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$627Southwest

Sat, Sep 12 - Mon, Sep 14

8:30 am - 9:33 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

11h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:53 am - 8:30 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

11h 37m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

$702United Airlines

Fri, Sep 11 - Mon, Sep 14

11:32 am - 10:59 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

9h 27m2 stops Denver Intl Chicago O'Hare Intl

5:30 pm - 9:37 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

6h 07m1 stop Chicago O'Hare Intl

$718United Airlines

Sat, Sep 12 - Fri, Sep 18

2:51 pm - 5:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

24h 19m2 stops San Diego Portland

3:19 pm - 9:38 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

8h 19m1 stop Seattle/Tacoma Intl

$780Alaska Airlines

Recent direct flight deals from Arizona to St. Louis

Thu, Oct 15 - Mon, Oct 19

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

1:30 pm - 3:15 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 45mnonstop

$191Frontier

Thu, Oct 15 - Thu, Oct 22

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

12:16 pm - 1:59 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 43mnonstop

$193Frontier

Thu, Oct 15 - Mon, Oct 19

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

1:30 pm - 3:15 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 45mnonstop

$194Frontier

Thu, Oct 22 - Mon, Oct 26

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

1:30 pm - 3:15 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 45mnonstop

$202Frontier

Thu, Oct 8 - Tue, Oct 13

6:50 pm - 11:55 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 05mnonstop

5:20 am - 7:00 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 40mnonstop

$377Southwest

Wed, Oct 7 - Tue, Oct 13

6:35 am - 11:40 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 05mnonstop

7:20 am - 8:55 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$377Southwest

Tue, Oct 20 - Mon, Oct 26

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

3h 02mnonstop

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

3h 34mnonstop

$397American Airlines

Mon, Jan 11 - Sat, Jan 16

7:50 pm - 11:51 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 01mnonstop

1:46 pm - 4:27 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 41mnonstop

$397American Airlines

Tue, Nov 10 - Mon, Jan 11

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

2h 50mnonstop

6:55 pm - 9:20 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$397Southwest

Sat, Oct 31 - Mon, Nov 2

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

3h 00mnonstop

8:00 am - 10:36 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 36mnonstop

$397American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$87

Best time to beat the crowds with an average 8% 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.