$129 Find Cheap Flights from St. Louis to Quintana Roo

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 Quintana Roo departing on 1/3. 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
1 adult, Economy, 0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Quintana Roo.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Quintana Roo.
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Flight Deals

Book Cheap St. Louis to Quintana Roo Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Quintana Roo 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.

Recent round-trip flight deals from St. Louis to Quintana Roo

Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
5:11 pm - 9:10 amSTL-CUN
14h 59m1 stop
Multiple Airlines Logo
10:15 am - 10:33 pmCUN-STL
13h 18m1 stop
$292Multiple Airlines
Find Deal
Mon, Feb 2 - Fri, Feb 6
Multiple Airlines Logo
5:11 pm - 9:10 amSTL-CUN
14h 59m1 stop
Multiple Airlines Logo
10:15 am - 10:33 pmCUN-STL
13h 18m1 stop
$293Multiple Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Frontier Logo
6:00 am - 10:23 amSTL-CUN
3h 23mnonstop
Frontier Logo
11:28 am - 1:50 pmCUN-STL
3h 22mnonstop
$299Frontier
Find Deal
Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
5:11 pm - 9:10 amSTL-CUN
14h 59m1 stop
Multiple Airlines Logo
10:37 am - 7:50 amCUN-STL
22h 13m2 stops
$314Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Frontier Logo
6:00 am - 10:23 amSTL-CUN
3h 23mnonstop
Frontier Logo
11:28 am - 1:50 pmCUN-STL
3h 22mnonstop
$318Frontier
Find Deal
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
7:05 am - 11:29 amSTL-CUN
3h 24mnonstop
American Airlines Logo
8:45 am - 10:59 pmCUN-STL
15h 14m1 stop
$344American Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Volaris Logo
6:00 am - 10:23 amSTL-CUN
3h 23mnonstop
Volaris Logo
12:26 pm - 2:47 pmCUN-STL
3h 21mnonstop
$346Volaris
Find Deal
Thu, Feb 19 - Sat, Feb 28
American Airlines Logo
6:16 pm - 10:45 amSTL-CUN
15h 29m1 stop
American Airlines Logo
12:32 pm - 3:07 pmCUN-STL
3h 35mnonstop
$356American Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
6:15 am - 1:23 pmSTL-CZM
7h 08m1 stop
United Airlines Logo
2:25 pm - 9:58 pmCZM-STL
7h 33m1 stop
$514United Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
6:15 am - 1:23 pmSTL-CZM
7h 08m1 stop
United Airlines Logo
2:25 pm - 12:15 pmCZM-STL
21h 50m2 stops
$518United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Quintana Roo flights

Get data-powered insights and trends into flights from St. Louis to Quintana Roo to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest St. Louis to Quintana Roo flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Quintana Roo from St. Louis found in the last 72 hours was to Cancún, at $200 round-trip. The most popular route is from St. Louis (STL) to Cancún (CUN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $200.

Can I save money by flying with a layover from St. Louis to Quintana Roo?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $380, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from St. Louis to Quintana Roo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Quintana Roo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Quintana Roo is September, when tickets cost $336 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $672 and $570 respectively.

What’s the cheapest day of the week to fly from St. Louis to Quintana Roo?

The average price of all round-trip flights from St. Louis to Quintana Roo clicked on KAYAK for each day over the last 12 months.

When flying from St. Louis to Quintana Roo, you should consider leaving on a Monday and avoid Saturdays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

How far in advance should I book a flight from St. Louis to Quintana Roo?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Quintana Roo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Quintana Roo, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonApril
Cheapest flight$128
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 36% increase in price.
Flight from St. Louis to Cancun

FAQs - booking Quintana Roo flights

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

    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 Quintana Roo.

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

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

    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 from St. Louis to Quintana Roo with an airline and back with another airline.

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

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

  • What is the cheapest time of day to fly to Quintana Roo?

    The cheapest time of day to fly to Quintana Roo is generally at night, when round-trip flights cost $367 on average. Morning departures are around 15% cheaper than evening flights, on average. The most expensive time of day to fly to Quintana Roo is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $810.

Top tips for finding cheap flights to Quintana Roo

  • Looking for a cheap flight? 25% of our users found tickets from St. Louis to the following destinations at these prices or less: Cancun $192 one-way - $361 round-trip

Reviews of the top 5 airlines serving from St. Louis to Quintana Roo

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Quintana Roo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Quintana Roo? 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
SouthwestOverall score based on 4242 reviews
7.0Food
8.1Boarding
7.5Entertainment
8.6Crew
8.0Comfort
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

The person I bought the ticket for didn’t make the flight.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

After boarding the plane in Chicago, the passengers were told that there was a technical problem with the plane. Passengers remained on the plane as they tried to fix the problem. After what was probably an hour passengers were told that there was a need to change planes as the problem was not solved. Passengers disembarked and boarded another plane. After taxing to the runway and waiting for takeoff, passengers were told that owing to the thunderstorm the flight was unable to take off but would try and reroute. After some time passengers were told there wasn't enough fuel for the new route and the plane had to return to the gate for additional fuel. after another log delay the flight got underway. On the plane there was food, drinks, ice or entertainment. We were a glass of water, which appeared rationed. Flight arrived about 5 hours late. The pilot was fantastic and communicated with the passengers throughout the ordeal.

Same as last comment. Food sucks. Quality. Not surprising most people have no clue about nourishment Clearly

Not the fault of United—weather, reroute around weather, time sitting on tarmac, arrived couple hours late, too late for train into city necessitating a much pricier cab but weather…can’t be helped.

Friendly and professional flight crew. Aside from departure delay after boarding, easy flight and smooth landing.

Great smooth flight. Had a seating change, but that was an improvement. Thanks United Airways Crew.

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

We are too tired and frustrated to comment politely at this point

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

The flight was flawless and we even arrived between 20 and 25 minutes early!

The only thing to like was that we eventually got to our destination

The flight was delayed by two hours. I had paid for extended leg room. Due to the delay, the plane was different and I didn't end up having extended leg room. I finally was able to reach Volaris on Whats App and they gave me an airline credit. I wanted a refund to the credit card since I hardly ever fly Volaris. Other than that, it was a very comfortable flight.

In Mexico charges too much for my luggage and I ask for help and nothing one lady she just disappeared 😡😡😡😡😡never going to fly there

Confusion over extra fees. Held up on ramp during boarding. Thin seat cushion. Minimal leg room.

The check-in is either at a kiosk that didn’t allow me to check-in because my middle name was not on the reservation or at an agent that cost $15.

Liked on time, rear entry and exit from plane Dislike the use of duct tape to repair seat rests

Terrible. And they charged over $400 just for luggage. And threatened that I would loose my flight if I didn’t pay. So I didn’t have another choice but to pay.

They check you everything before entering to waiting room, if you have any liquid they take it away even if you buy it inside the airport, no recommend volaris, for mi know Alaska airline is better

They don’t give anything for free you have to pay for everything which it’s expected but at least give out water and a snack as a courtesy for flying with them.

I got to where I needed to go quickly. There were no amenities. And the seats were painful.

The worst. Kayak sent notification at 2am and 10am regarding the delay. Then sends a notification an hour before original depart time that it will depart on time. I had to wait 8 hours at the airport. My family had to pay for lodging in Guadalajara where I was landing for pick up.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

Boarding was on time and plane departed as scheduled. There are obviously no amenities (food, drink, entertainment) on Frontier, but there also didn't seem to be any issues with luggage space either.

Inbound plane was on time and flight departed on time with no issues while boarding.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

i was unable to check in the flight. refund requested

It was well done. It was my first time flying with them and I was nervous b/c I have heard of many cancelled and/or delray flights. Everything went smoothly.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

The single worst check in experience I could imagine. I’ll never do any business with Frontier or any affiliated company

Too many extra fees, uncomfortable, little leg room. Will not recommend this airline.

Everyone seemed to be in zone 1 for boarding. Maybe break it up a little. Otherwise, smooth flight.

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