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$135 Find cheap flights from Mexico to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 5/31. 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
Sat 6/15
Sat 6/22

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

 
These are the airlines KAYAK users have selected most often from within our search results for flights to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to St. Louis, as well as popular online travel agencies
In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Flights to St. Louis - Travel Insights & Trends

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

What is the cheapest day to fly to St. Louis?

The average price of all flights to St. Louis clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to St. Louis is Thursday where tickets can be as cheap as $528. On the other hand, the most expensive day to fly is Tuesday, where prices are $836 on average.

What is the cheapest month to fly to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to St. Louis, 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 to St. Louis is December, where tickets cost $258 on average for one-way flights. On the other hand, the most expensive months are October and April, where the average cost of tickets from Mexico is $722 and $704 respectively. For return trips, the best month to travel is December with an average price of $258.

What is the cheapest time of day to fly to St. Louis?

The average price for all flights to St. Louis depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to St. Louis is generally in the morning, when flights cost $403 on average. The most expensive time of day to fly to St. Louis is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $494.

What is a good deal for flights to St. Louis?

If you’re looking for cheap airfare to St. Louis, 25% of our users found tickets to St. Louis for the following prices or less: From Cancún $191 one-way - $239 round-trip.

Which airline offers the most flights to St. Louis?

Of the 10 airlines that fly to St. Louis, Southwest offers the most flights, with around 1,669 per week, followed by American Airlines with 360 flights per week.

How long is the flight to St. Louis?

The duration of your flight to St. Louis depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to St. Louis on KAYAK are from Cancún, which takes 3h 24m, Mexico City, which takes 12h 59m, and Puerto Vallarta, which takes 16h 08m.

How many direct flights to St. Louis are there each day?

There are around 371 direct flights from within Mexico to St. Louis every day. Most flights depart in the morning, with 7:00 am the most common departure time and 45% of flights departing in the morning.

How many direct flights to St. Louis are there each week?

Each week there are around 2,597 direct flights from within Mexico to St. Louis. The most common day for departures is Sunday, with 15% of flights taking off on this day.

How many long-haul flights are there to St. Louis each week?

There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to St. Louis. Instead, there are 23 short-haul flights (up to 3 hour flight duration), with the most arriving from Cancún.

How many cities have direct flights to St. Louis?

From Mexico, there are direct flights to St. Louis from 2 cities. The city with the most direct flights is Cancún, with 22 direct flights each week.

Good to know

Low season

February

High season

July

Cheapest flight

$135
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Cancún to St. Louis

FAQs - booking St. Louis flights

  • How far is St. Louis from central St. Louis?

    The distance between St. Louis and downtown St. Louis is 13 miles.

  • What is the name of St. Louis’s airport?

    When flying to St. Louis, you'll arrive at St. Louis (STL). The airport is also known as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl.

  • How much is a flight to St. Louis?

    On average, a flight to St. Louis costs $248. The cheapest price found on KAYAK in the last 2 weeks cost $146 and departed from Cancun Airport.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to 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 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 with another airline.

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

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

Prefer to fly non-stop to Lambert-St Louis?

Find which airlines fly direct to Lambert-St Louis, which days they fly and book direct flights.

Nonstop departures

Mexico to Lambert-St Louis

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights

Nonstop returns

Lambert-St Louis to Mexico

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights
See more direct flights

Top 4 airlines serving from Mexico to St. Louis

 
See real verified KAYAK customer reviews for airlines flying to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Mexico to St. Louis. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to St. Louis? 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 10673 reviews
8.2Boarding
7.9Comfort
8.6Crew
7.4Food
8.0Entertainment
Airline reviews

The boarding was horrible. You couldn’t hear the announcements at all. Probably because there is so much in the area for businesses. They need a louder PA system. Other than that it was a good Delta experience.

6.0 GoodEric, May 2024CUN - BOS
Read more about Delta reviews

The boarding was horrible. You couldn’t hear the announcements at all. Probably because there is so much in the area for businesses. They need a louder PA system. Other than that it was a good Delta experience.

Everything was great. The big planes could still stand to have a bit more leg room. Crew was amazing!!

On 2 different flights the wifi was horrible and there was no drink or snack service.

The pilot was excellent - he flew us around a storm and even though predicted it would be a bumpy ride - was able to avoid all turbulence and land us safely with only a 15 min delay. Kudos!

Great flight crew, easy boarding, delicious snacks and spacious seats. Love flying delta - worth the price.

There was no FREE wi-fi nor entertainment screens at all.

Delay at gate caused a flight change for our connection, hotel stay, and lots of standing and waiting in lines which hurt my feet and was unpleasant as people were grumpy and yelling. Delta worker Nestor Espinosa was very helpful! Others were apathetic (tired I’m sure!) but weren’t clear with instructions and didn’t give both of me and my travel partner the same food voucher etc.

Great, on time departure, friendly and accommodating crew, great leg room, Smith flight

From boarding to the next 45 min to 1 hour, it felt like a sauna, felt like vents were working but no AC on.

I was traveling with my 85 years old grandma and 60 years old mother. Which I requested to get a wheelchair. I went to the Delta Kiosk and asked for a wheelchair.  They brought a wheelchair and 2 minutes (without exaggerating, time is important for me as I am well disciplined with a military background) later they said that the wheelchair belongs to American Airlines, so we need to switch it.  We were like where is the other one so my grandma can use it? They are like, "it's on its way, she has to wait for the other one" I asked them why does she have to wait? Is it ok for her to sit on this one when the other one arrives. Answer was "NO". I guess lack of common sense was the issue. I started to explain to the agent that she can not stand still or wait. Finally, someone said that in spanish "she can not stand, let's wait for the other one" . Delta's wheelchair came, without an attendant or helper. They brought that wheelchair and left it in the middle of the airport. Nobody seemed to care. I had to push her to the gate. Then they finally realized that "wait a minute, there is something wrong with that". So they send someone, who later started harassing us, to tell us how he works for cash tips. Then a "Private Security Interviewer" approached us. I think his name was Carlos (His descriptions - tall for an average worker, ginger curly hair, wears glasses, overweight). He did not represent himself. All he did was show his badge for two seconds and when (later on) I asked him what his name was, he said "I already told you at the beginning". At that point we were waiting to be called at the Delta Kiosk (this is prior to the Customs first check in point). So, Delta Airlines hired "Private security interviewers" to make sure that nobody brings anything illegally to the US. Which is great, makes me feel safe and secure. But, it does not serve the purpose. Let me explain to you why. These interviewers do not know what they are doing or saying and you can clearly see that. They think that they are CBP or Immigration officers. They will get angry If you ask them any questions. Then they will put all these stickers on the back of your passport like they caught "Pablo Escobar". At one point I was sarcastic and told the interviewer that "I like those stickers, It's my hobby and I am collecting them. Can I have more of those?"  and interviewers eyes and brain goes like "error 404". He did not know how to react or respond to that. Then he flags my itinerary on his iPad. Trying to give me a hard time since I asked him about his name, so I can call him by his name. But of course that did not change the fact that his lack of english made everything even harder. After 45 mins of wait and clearing the "Private Security Interviewer" you would think that we are going to be all set to depart. I was wrong. We waited in line to go through the security line, just like other citizens. No wheelchair, disability, seniority etc were important for her. They treat us like she is in her twenties.  On several occasions they forced her to stand up. She was like "I swear to God that I can not walk, my son I wish I could walk, but I can not". They did not seem like they cared. Then finally they realized that she is legit disabled. They let her pass on a wheelchair. At the gate, Carlos showed up to make sure that I am going through the secondary check. They pulled me to the secondary check. And started asking me about my luggage. My response was "I only have one carry-on bag, to make everyone's (including my life) life easier". They asked the same question over again "Sir, do you just have only one bag?" I replied saying "Yes". She did not believe me and said "Just only one". So, I thought she did not believe me and I said "Yes, Si, Si, solo uno". She looked at me and then turned to the agent (Carlos) and stared at him like "did you not ask him about his bags, did you not know that he only had one carry on?". I am sorry to say that but they just looked like a bunch of idiots who do not know what they are doing. Finally they released me after a minute of secondary check. Meanwhile everyone is boarding and my grandma is waiting on her wheelchair. Then we approached the gate agent and I asked her if I could sit next to my family, if they had any seats available. She replied that "I can not change any seat at the gate, I do not have any authority". I replied "I understood". We got on the plane last and I asked our flight attendant if I could change my seat to be next to my family. FYI, their seats were 10 B and C, mine was the 35 D. Meanwhile there were empty seats on 10 D and F. Even flight attendants surprisingly said that "why did she put you all the way back, while we had 1/2 full flight. I will go and ask her". Our flight attendant was great and he made sure that I am next to my family. He went above and beyond and he gave the closest seat to the. Flight was good. Delta Airlines failed to bring the wheelchair when we arrived. Excuse was "Gate changed, that is why". I walked outside and grabbed an empty wheelchair. I put my grandma and brought her to the Customs. Then a Delta Airline worker approaches me and says that you can not move this wheelchair, it belongs to the gate. We will bring you a new one. A CBP officer heard our conversation and jumped in and said, "wait a minute you want her (pointed my grandma) to wait here while you bring her wheelchair?". He (delta worker) responded "yes sir". But when he talks to me, no sir, nothing. The CBP officer goes "Nope, she is not waiting here and I will make sure to pull her wheelchair". If that officer was not there we probably would have had to wait and be forced to change the wheelchair. The CBP officer, again the CBP officer, not the Delta employee, pushed our wheelchairs to the gate. Sincerely,

We enjoyed that we boarded and took off on time. We didn’t like that our connection flight was a twenty minute walk through the airport with only one hour in between flights.

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Boarding was terrible. My wife uses a wheel chair and she was in an incredibly hot closed metal cargo box for close to 20 minutes before getting on board

Check in etc was very good. As for on the plane, it was like flying in a freezer. It was so cold, i have flown for years and never been so cold on a plane. Staff on board said its always cold when flying which is a load of rubbish. They wouldnt put any heating on and now i have the flu because of this .

I’ve had a couple flights this week on United that were delayed by an hour or more

Surprisingly easy! I was hesitant to try this, but the cost swayed me. I actually felt like I had less stress than all the taxiing and possible delays that occur with short regional flights where you spend less time in the air than getting to and from the plane..

It was okay, no wifi or entertainment real disappointment. Staff onboard not very friendly.

This flight was delayed multiple times and eventually canceled around 2-3ish. Original take off time was around 10:30am. By 3, there were no other options out of Houston, so stuck in Houston for from 3pm - 11am the next day.

It started with multiple delays, cancellations, re booking, 5 hour lay over and finally on a plane from Chicago to Pittsburgh. Gates, times, etc were changed multiply times. Once on the plane, staff was fine, but built in tv did not work and could not even turn it off. Light at eye level the entire trip, so sleeping was near impossible. No snacks or drinks given.

Both flights yesterday, experienced hard landings. Harder than I’ve ever felt before. Im hopeful there was weather involved and not pilot error. Other than the landing, the flight was quite good~

The flight was 90 minutes long and the stewardesses were extremely slow. I was in row 16 and they did not serve us drinks until we were descending for landing in a 90 minute flight. Unacceptably slow and at least 10 rows (20 to 31) did not receive any drinks or snacks for the entire duration of the flight because of the slowness of the stewardesses. There is no rationale to delay beverage service to brew coffee for a flight at six p m.

Flight delayed, boarding time kept changing, not good. Nee firm information given each time.

Couldn’t use car seat due to lack of window seats available was disappointing

Best price with timings that suited us. The flight was punctual.

After my luggage was grabbed by another passenger, by accident, I chose to speak with the American Airlines staff within the airport. Not only was the customer support staff uninformed but also very argumentative, making this situation harder to deal with. I was only able to finally retrieve my luggage thanks to the passenger who took it contacting me due to the tags on the luggage. All of this was happening during another 2 hour delay and 3 gate changes. Horrible airline with disgusting, on the ground, customer support staff.

The experience with American Airlines was terrible from beginning to end. Flight 1210 from Cancun to Charlotte was delayed three times. AA customer service at the CUN airport could not provide information on why or how to accommodate me if I missed my connecting flight at CLT due to the delays. Upon arrival to CLT, de-boarding the plane was a horrible experience. You all should have allowed passengers with departing connecting flights within the hour, to get off the plane first! It caused so many passengers to lose valuable time waiting to get off the plane, and then the long lines in customs! American Airlines knew passengers had to make connecting flights and still chose not to hold the plane? I missed Flight 2758 from CLT to DCA for that reason. Waiting three more hours for the next - Flight 1269 from CLT to DCA. Once again another delay at the last possible minute before boarding due to the plane going out of service/maintenance. Once the new plane boarded, we sat on the tarmac for 40min. I did not arrive to DCA until 12:33am. I spent over 12hours at the airport and I plan to never fly American Airlines again.

Having issues traveling with AA for last two years, became a huge gamble

The flight from Guadalajara to Dallas had mechanical issues, and was delayed every half hour for 4 hours until we were told to rebook. As it was during the busy holiday break, most flights were fully booked and travel that day was unavailable. The only saving grace for American Airlines was their ticketing staff that maintained their composure and did their best to accommodate all the disappointed and frustrated passengers.

It was only a 50-minute flight from CLT to SAV. I could not get wifi in CRJ 900 plane,

Check in online was easy. Seats aren’t very comfortable

Fecal matter in seat back pocket. Presumably from a kids diaper.

Worst airline to travel with. They treat you like a prisoner in a jailhouse barking out orders and threats. Nickle and dime you to the same price or higher than a respectable airline like one of the big 3 . Might as well fly with standard airlines

Well I mean u get what u pay for so 🤷‍♂️

Over an hour delay in departure but I was notified beforehand. Another delay on tarmac upon arrival at LGA. We ended up departing the plane almost 2 hours later than expected

I fly Frontier because it’s affordable. I understand that the seats are tight and not the most comfortable…but that’s part of it. The problem with this flight was that there was a group of travelers directly behind me at the back of the plane who were ridiculously loud and obnoxious the entire flight. I’m pretty sure they were drunk and I could periodically smell an odd odor that I believe was one of them using a smokeless vape pen. The stewards had to remind them to keep quiet during the pre-flight instruction, but that was it. They never said another thing to them for the rest of the flight. It was a miserable.

I checked a bag because it was $5 less than carry on. They managed to lose my bag on a 2.5 hr direct flight! Frontier has no airport staff at baggage claim to help. As soon as I got home around 11 pm I tried to use their online system to file the claim for lost bag - system wouldn't take the # on my baggage claim ticket - said it was not the correct number. Also said that I had not checked a bag, which wasn't true - even my online boarding pass showed that I had checked a bag. Wasted about an hour on that process with no luck. Tried again in the morning - same thing. So tried online chat with Frontier bot - waited 35-40" twice to be connected to a baggage agent and it never happened. Eventually drove to PDX after work and waited 2 hrs for the Frontier ticket agents to arrive prior to the next Frontier flight out of PDX and FINALLY got some help from one of them, to take me to lost luggage area where I was able to retrive my bag. Probably took 4-5 hrs. of my time and endless frustration to get my bag. This was my first -- and LAST -- experience flying Frontier Airlines. Check-in was also extremely difficult and time consuming. The flight itself (and staff) were fine but everything else about the experience was a total disaster! The fact that Frontier literally has NO WAY to connect to a human voice for customer service (in this case for lost luggage) is the WORST!!!!!

Frontier is a crappy airline nothing about it is honest

I didn't get to do this flight l, hard to review

Not good 😐 Over priced baggage fees Small hard seats No wifi or entertainment options 😕

Book cheap flights from Mexico to St. Louis

Recent round-trip flight deals

 
These are the cheapest round-trip flights to St. Louis found on KAYAK in the last 72 hours.
7/14Sun
1 stopSpirit Airlines
9h 24mCUN-STL
8/22Thu
1 stopSpirit Airlines
12h 37mSTL-CUN
$313
9/5Thu
2 stopsDelta
16h 08mPVR-STL
9/9Mon
1 stopDelta
17h 33mSTL-PVR
$331
10/31Thu
1 stopAeromexico
8h 36mCUN-STL
1/19Sun
1 stopAeromexico
6h 50mSTL-CUN
$358
8/25Sun
1 stopFrontier
20h 52mMEX-STL
8/26Mon
2 stopsFrontier
27h 00mSTL-MEX
$360
8/25Sun
1 stopFrontier
21h 33mMEX-STL
8/26Mon
1 stopFrontier
9h 38mSTL-MEX
$363
9/6Fri
2 stopsUnited Airlines
19h 02mCZM-STL
9/10Tue
3 stopsUnited Airlines
20h 15mSTL-CZM
$408
9/6Fri
1 stopUnited Airlines
7h 08mCZM-STL
9/10Tue
1 stopUnited Airlines
7h 18mSTL-CZM
$409
7/16Tue
1 stopAeromexico
6h 10mMTY-STL
7/24Wed
1 stopAeromexico
5h 16mSTL-MTY
$477
11/3Sun
1 stopAmerican Airlines
14h 39mCUN-STL
1/18Sat
1 stopAmerican Airlines
14h 01mSTL-CUN
$503
11/3Sun
1 stopAmerican Airlines
14h 39mCUN-STL
1/18Sat
nonstopAmerican Airlines
3h 05mSTL-CUN
$540

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to St. Louis found on KAYAK in the last 72 hours.
5/31Fri
1 stopFrontier
20h 18mCUN-STL
$135
7/17Wed
1 stopFrontier
8h 55mCUN-STL
$139
7/18Thu
1 stopSpirit Airlines
10h 49mCUN-STL
$163
5/31Fri
2 stopsSpirit Airlines
22h 13mCUN-STL
$176
7/16Tue
1 stopDelta
12h 03mCUN-STL
$220
7/18Thu
1 stopUnited Airlines
7h 50mCZM-STL
$251
9/10Tue
2 stopsUnited Airlines
19h 02mCZM-STL
$261
6/22Sat
2 stopsAmerican Airlines
20h 14mCUN-STL
$311
7/8Mon
1 stopDelta
13h 22mBJX-STL
$329
9/3Tue
1 stopAmerican Airlines
7h 36mCZM-STL
$339

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Last minute flights to St. Louis

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to St. Louis that are departing in the next 10 days.
5/19Sun
multi-stop
22h 18mMEX-STL
5/20Mon
multi-stop
13h 05mSTL-MEX
$567
5/19Sun
multi-stop
21h 53mMTY-STL
5/24Fri
multi-stop
22h 01mSTL-MTY
$613
5/19Sun
multi-stop
21h 53mMTY-STL
5/24Fri
multi-stop
24h 10mSTL-MTY
$645
5/19Sun
multi-stopFrontier
16h 51mMEX-STL
5/20Mon
multi-stopFrontier
23h 49mSTL-MEX
$669
5/19Sun
multi-stop
22h 18mMEX-STL
5/23Thu
multi-stop
23h 11mSTL-MEX
$675
5/19Sun
multi-stopFrontier
16h 51mMEX-STL
5/23Thu
multi-stopFrontier
15h 34mSTL-MEX
$708
5/18Sat
multi-stop
29h 25mMEX-STL
5/20Mon
multi-stop
13h 05mSTL-MEX
$747
5/19Sun
multi-stopDelta
8h 36mMEX-STL
5/23Thu
multi-stopDelta
7h 29mSTL-MEX
$803
5/19Sun
multi-stopDelta
7h 27mMEX-STL
5/20Mon
multi-stopDelta
7h 33mSTL-MEX
$857
5/19Sun
multi-stopAeromexico
23h 19mMTY-STL
5/24Fri
multi-stopAeromexico
20h 42mSTL-MTY
$907

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Flights to St. Louis

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Mexico

Cabin classes:

$192