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Find cheap flights from St. Louis to Arizona from $39

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Arizona departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 5/28
Tue 6/4

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Best Arizona Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Tucson
Tucson1 stop$276
Flagstaff
Flagstaff1 stop$571
Yuma
Yuma1 stop$545
Las Vegas
Las Vegasnonstop$41

Good to know

Low season

August

High season

March

Cheapest flight

$39
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from St. Louis to Phoenix Sky Harbor Airport

FAQs - booking Arizona flights

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

    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 St. Louis to Arizona.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Arizona from St. Louis 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 St. Louis to Arizona?

    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 Arizona with an airline and back to St. Louis with another airline.

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

    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 Arizona from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Arizona

  • Looking for a cheap flight? 25% of our users found tickets from St. Louis to the following destinations at these prices or less: Phoenix $136 one-way - $235 round-trip
  • Morning departure is around 4% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from St. Louis to Arizona

 
Need help choosing which airline to fly with from St. Louis to Arizona? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10951 reviews
8.6crew
8.0entertainment
7.4food
8.2boarding
7.9comfort
Airline reviews

The pilots were good. Disappointing when planes don't have electrical ports

6.0 GoodAnonymous, Apr 2024ATL - CHS
Read more about Delta reviews

The pilots were good. Disappointing when planes don't have electrical ports

I liked the piloting of the aircraft. Very disappointed about lack of electrical ports. Also, although a short flight. there was enough time to hand out snacks to comfort + seats as was done for first class.

I had a wonderful experience flying with delta. The gentleman taking care of us on our flight was so nice, accommodating, and attentive. He always was smiling and giving pins to the kids which made me smile. The flight was quick too and without turbulence. Thank you for the great flying experience.

Delta is one of the best airlines I have flown

Made the Atlanta to Pittsburgh trip many times, with Delta no issues

I always fly with Delta. My friends tell me their horror stories of flying with other airlines. I just smile and say, “You should fly Delta”

I'm a larger, athletic guy (6'2", 260lbs powerlifter) and I found the seats incredibly uncomfortable with minimal leg room, especially in a window seat. Now, I full understand that being smaller may change my view but even if I was 80lbs less, my legs would be the same size and I was sandwiched between my seat and the seat in front of me.

Horrible. This was not first class. This was a connecting flight whi h was late. My original flight never came. I hated the fact that delta gave me a connecting flight from New York to Orlando Florida. No meals and the television screens were not working. There wasn't even any power to charge your phones. This is NOT FIRST CLASS DELTA!!! Do better next time!

This flight was ridiculous. I had to have a connecting flight from New York to orlando Florida??? The flight left late and because it was a short flight there was no first class amenities. I had one alcohol drink. The flight crew was fine, but it sure did not feel like first class. Delta to me dropped the ball by giving me a connecting flight. By the time we got to Raleigh we would have missed the next flight. Lucky for me the flight never came so now I was stuck waiting for a later flight that came in late also.

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

Very comfortable Prem economy seats for a long haul flight. Had a problem with the tv that the crew fixed so was great!

Cathay Pacific seems to be an airline in trouble and on its way out. Lots of broken or poorly functioning things like entertainment screens, seats, and enough well trained staff to handle a full flight. Sad...

The flight crew was exceptionally good. Personal needs were well met. The food choices were very nice.

Excellent. Planes are a little older and could get some refurbishment, but besides that everything was excellent.

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

Seats were very comfortable. Crew were excellent. Food very good.

Flight crew was especially thoughtful and attentive, made sure our seats were comfortable so we could rest on the long flight

I felt thirsty and asked the flight attendent for water, but no one came for more than half an hour.

Everything went smooth. All flights were on time No changing gates, . No changing flights . It was like a completely different airlines tha n the last time I used Cathay Pacific . The last flight, 2 months ago, I had before this one was from Philippines also . I got changed in Manila and was told it only added 2 hours onto my flight . My 20 hour return trip ended up being 30 hours return with a 10.0 hour layover in New York with no seats anywhere . Everyone was sleeping or sitting on the floor . Unlike the hotel I was given in Manila to wait for this flight home . I never thought I would use Cathay Pacific again . But I did and this time you were great! I should have complained about the flight and layover from Hell a couple months ago. Consider that I am complaining about that august/23 flight now . Thank you got the great flying experience on my way home from philippines .

There was a group of school age passengers that were very loud and unruly with their chaperones were no where to be found.

Boarding was unorganized. They expected passengers to ask people to move their assigned seat they paid for in order to sit together. The seats even in comfort are smaller than other airlines and the flight attendants appeared not to be well prepared

The WiFi didn’t work and the seats are too close together. Very uncomfortable.

I was told we'd have a hot breakfast option in first class, so I chose not get a hot breakfast. It was a very strange meal, but the fresh fruit was very good quality. Service was excellent from ORD to ELP. No service from MBS to ORD, not even water. However, when flying American from FNT to ORD, which is a shorter flight, they at least pass out snacks and offer water.

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

So so. Terrible aircraft choice for that leg of the flight.

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

American Airlines continues to price it can provide the least comfortable passenger experience in the air. This legacy carrier rivals the budgets for both terrible seats and inadequate amenities. I am a 5’7” woman who is not wider than a coach seat (even on these narrow bodied aircraft). My 3.5 hour flight was terribly uncomfortable because the leg room is inadequate (my knees hit the seat on front of me even when it was not reclined); the seat barely reclines; and the foam padding is worn thin to the extent one can feel the metal supports of the seat. Add to this the fact that the aisle is super narrow, so that the drink cart literally scrapes the arm rest of the aisle seat. It’s basically torture.

Plane took off without me, my stepdad and a dozen other passengers. It went from an hour delay to boarding in 15 montures without notifying anyone. Names were not called overhead. Now I’m missing a day of work and stuck in Charolette overnight paying for a hotel and Ubers out of pocket

Flight from SBP to DFW 1. They rerouted us through PHX 2. Delayed flight out of SBP for 3 hrs so we missed our connection Downgrade on rerouted flight. Back of the plane, center seats, didn't sit together 4. Return flight out of DFW same exact thing. Delayed, missed connection, Downgrade + they lost our luggage! A complete mess.

after boarding on phx to sjd, crew discovered that one of the megaphones was either out of date or not working. It took 90 minutes to get a replacement and do the "paperwork." That is really unacceptable. Why wasn't the megaphone problem discovered before boarding? Is it part of normal maintenance check? who is responsible for checking. How can paperwork take that long? Fortunately, SJD was final destination for most travelers so very few if any passengers had to miss connections.

Flight From PHX to CVG was on time, very professional staff

Excellent- plan was barely populated. I cannot remember a flight where I was able/encouraged to stretch out!

Flight attendants used to be nice to people. And any flight over 5 hours should have some kind of food other than tiny pretzels and one drink comped.

just overall disappointing, not a treat to travel these days....paying for Main Cabin Extra was not worth it.

The usual wait at Columbus once you land to get to an open gate (20 minutes) and then the usual 30 minutes for your luggage to appear.

American airlines put us on a connecting flight that only had 20 min layover. I made it by running down the concorce in Phoenix and was last one on the flight. Not acceptable!!!!!!!!!!!!!!!!!!!!!!!!!!!

My wife and I are both handicapped and at boarding they upgraded us to a seat closer to the front rather than all the way towards the back. Much appreciated.

Not much seat room, but that was unexpected. But the seat headrest was very uncomfortable.

First the good, everyone was friendly and efficient. Flight was smooth and plane was very clean and new. Now the bad, seats have almost no padding on your behind. I was in exit row so I had tons of leg room for a 6' 2" bean pole with long legs. Everything was extra - water, soda, snacks everything besides oxygen. Ya get what you pay for, and my flight was cheap as you could ever want it, so no worries.

First the good, everyone was friendly and efficient. Flight was smooth and plane was very clean and new. Now the bad, seats have almost no padding on your behind. I was in exit row so I had tons of leg room for a 6' 2" bean pole with long legs. Everything was extra - water, soda, snacks everything besides oxygen. Ya get what you pay for, and my flight was cheap as you could ever want it, so no worries. They dont really bother you about carry-on size, I brought a descent sized backpack and they didnt even check.

Spirit canceled the flight in March and never notified me!

Seats suck, not enough room, overcrowded planes, hectic situation all together.

Pretty good. Would’ve been excellent if we would have left on time and the crew wasn’t late.

I do not like the customer service, I had an emergency and needed to cancel a pet reservation right after I had booked it and they would not do anything but issue a credit. I haven't flown in years as I have 7 kids and don't have spare time. I want my $125 back on my card please

Spirit airline tries to screw you at every opportunity. Spirit wanted 65$ for an extra pound in the suitcase Made me open the suitcase at the counter to remove 1 pound. Staff very cold and rude Will never fly spirit again and will recommend same to family and friends

Delayed..4 times...completely disorganized boarding. After 5 hours they scrambled to move ppl off plane bc they overbooked. Then they didn't have a cabin crew. WiFi on plane didn't work. Zero amenities. Once we boarded we sat on tarmac for an hour. Explore all alternate options including purchasing a pair of hiking boots and walking to your destination instead of flying spirit.

Book cheap flights from St. Louis to Arizona

Recent round-trip flight deals

5/8Wed
nonstopFrontier
3h 28mSTL-PHX
5/11Sat
nonstopFrontier
2h 54mPHX-STL
$78
5/22Wed
nonstopFrontier
3h 17mSTL-PHX
5/25Sat
nonstopFrontier
2h 59mPHX-STL
$88
6/4Tue
nonstopAmerican Airlines
3h 24mSTL-PHX
6/4Tue
nonstopAmerican Airlines
3h 00mPHX-STL
$131
6/18Tue
nonstopAmerican Airlines
3h 20mSTL-PHX
8/20Tue
1 stopAmerican Airlines
7h 10mPHX-STL
$139
5/14Tue
3 stopsSpirit Airlines
19h 34mSTL-PHX
5/18Sat
1 stopSpirit Airlines
8h 25mPHX-STL
$176
6/4Tue
1 stopDelta
6h 23mSTL-PHX
6/18Tue
1 stopDelta
6h 33mPHX-STL
$216
6/29Sat
1 stopUnited Airlines
6h 30mSTL-PHX
7/2Tue
1 stopUnited Airlines
8h 09mPHX-STL
$252
7/3Wed
1 stopSpirit Airlines
23h 05mSTL-PHX
7/7Sun
1 stopSpirit Airlines
24h 12mPHX-STL
$272
6/19Wed
1 stopDelta
7h 54mSTL-TUS
6/26Wed
1 stopDelta
5h 58mTUS-STL
$278
6/18Tue
1 stopUnited Airlines
7h 05mSTL-PHX
8/20Tue
2 stopsUnited Airlines
8h 22mPHX-STL
$377

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Recent one-way flight deals

5/4Sat
nonstopFrontier
3h 28mSTL-PHX
$39
5/6Mon
nonstopFrontier
3h 28mSTL-PHX
$49
5/8Wed
1 stopSpirit Airlines
24h 44mSTL-PHX
$60
5/28Tue
nonstopAmerican Airlines
3h 24mSTL-PHX
$66
6/12Wed
1 stopSpirit Airlines
23h 05mSTL-PHX
$92
5/28Tue
1 stopDelta
8h 09mSTL-PHX
$108
5/17Fri
1 stopDelta
7h 36mSTL-PHX
$135
5/30Thu
1 stopAmerican Airlines
6h 31mSTL-TUS
$139
5/11Sat
2 stopsUnited Airlines
14h 38mSTL-PHX
$259
5/11Sat
2 stopsUnited Airlines
14h 21mSTL-TUS
$286

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Last minute flights from St. Louis to Arizona

Last minute flight, train and bus deals

5/1Wed
nonstopFrontier
3h 28mSTL-PHX
5/4Sat
nonstopFrontier
2h 54mPHX-STL
$148
5/1Wed
multi-stopFrontier
6h 01mSTL-PHX
5/4Sat
nonstopFrontier
2h 54mPHX-STL
$178
5/1Wed
nonstopAmerican Airlines
3h 25mSTL-PHX
5/9Thu
nonstopAmerican Airlines
3h 00mPHX-STL
$241
5/1Wed
multi-stopSpirit Airlines
24h 52mSTL-PHX
5/9Thu
multi-stopSpirit Airlines
26h 03mPHX-STL
$254
5/1Wed
multi-stopAmerican Airlines
7h 11mSTL-PHX
5/4Sat
multi-stopAmerican Airlines
6h 32mPHX-STL
$257
5/1Wed
multi-stopDelta
6h 58mSTL-PHX
5/4Sat
multi-stopDelta
5h 46mPHX-STL
$260
4/29Mon
multi-stopUnited Airlines
5h 35mSTL-PHX
4/29Mon
multi-stopUnited Airlines
7h 39mPHX-STL
$370
5/2Thu
multi-stopSpirit Airlines
23h 25mSTL-PHX
5/17Fri
multi-stopSpirit Airlines
21h 03mPHX-STL
$454
5/2Thu
multi-stopUnited Airlines
7h 11mSTL-PHX
5/6Mon
multi-stopUnited Airlines
13h 04mPHX-STL
$493
5/1Wed
multi-stopDelta
6h 48mSTL-TUS
5/8Wed
multi-stopDelta
6h 22mTUS-STL
$606

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St. Louis - Arizona Flights

Departure:

St. Louis (STL)United States

Return flight deals:

Arizona - St. Louis

Cabin classes:

$1,136
$1,588
$1,283
$89