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Cheap flights from St. Louis to Mexico from $155

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Mexico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:10 am - 7:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
14h 45m1 stop Cancun
Frontier Logo
12:05 pm - 10:39 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
10h 34m1 stop Las Vegas Harry Reid Intl
$387Frontier
Sat, Oct 31 - Sat, Nov 7
Frontier Logo
6:20 am - 7:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
14h 35m1 stop Cancun
Frontier Logo
12:05 pm - 12:33 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
24h 28m1 stop Las Vegas Harry Reid Intl
$395Frontier
Sat, Oct 31 - Sat, Nov 7
Multiple Airlines Logo
7:42 pm - 11:58 pmSTL  Lambert-St Louis-CUN Cancun
28h 16m2 stops Denver Intl Mexico City Benito Juarez
Multiple Airlines Logo
11:08 am - 2:25 pmCUN  Cancun-STL Lambert-St Louis
3h 17mnonstop
$424Multiple Airlines
Sat, Oct 10 - Thu, Oct 15
Multiple Airlines Logo
7:42 pm - 11:58 pmSTL  Lambert-St Louis-CUN Cancun
28h 16m2 stops Denver Intl Mexico City Benito Juarez
Multiple Airlines Logo
11:08 am - 2:25 pmCUN  Cancun-STL Lambert-St Louis
3h 17mnonstop
$424Multiple Airlines
Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
7:00 pm - 11:43 amSTL  Lambert-St Louis-SJD San José del Cabo Los Cabos
17h 43m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
2:11 pm - 10:26 pmSJD  San José del Cabo Los Cabos-STL Lambert-St Louis
7h 15m1 stop Houston George Bush Intcntl
$426United Airlines
Sat, Dec 5 - Fri, Dec 11
United Airlines Logo
7:04 pm - 11:43 amSTL  Lambert-St Louis-SJD San José del Cabo Los Cabos
17h 39m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
2:11 pm - 10:06 pmSJD  San José del Cabo Los Cabos-STL Lambert-St Louis
6h 55m1 stop Houston George Bush Intcntl
$426United Airlines
Sat, Jan 23 - Fri, Jan 29
American Airlines Logo
7:10 pm - 9:52 amSTL  Lambert-St Louis-SJD San José del Cabo Los Cabos
16h 42m1 stop Dallas/Fort Worth
American Airlines Logo
10:52 am - 11:42 pmSJD  San José del Cabo Los Cabos-STL Lambert-St Louis
10h 50m1 stop Dallas/Fort Worth
$431American Airlines
Sat, Oct 17 - Wed, Oct 21
American Airlines Logo
8:15 pm - 12:44 pmSTL  Lambert-St Louis-SJD San José del Cabo Los Cabos
17h 29m1 stop Chicago O'Hare Intl
American Airlines Logo
3:21 pm - 11:33 pmSJD  San José del Cabo Los Cabos-STL Lambert-St Louis
7h 12m1 stop Dallas/Fort Worth
$431American Airlines
Sat, Dec 5 - Fri, Dec 11
Southwest Logo
11:10 am - 3:25 pmSTL  Lambert-St Louis-CUN Cancun
3h 15mnonstop
Southwest Logo
3:35 pm - 5:50 pmCUN  Cancun-STL Lambert-St Louis
3h 15mnonstop
$474Southwest
Sun, Jan 24 - Thu, Jan 28
Southwest Logo
6:05 am - 2:35 pmSTL  Lambert-St Louis-CUN Cancun
7h 30m1 stop Houston Hobby
Southwest Logo
3:35 pm - 5:50 pmCUN  Cancun-STL Lambert-St Louis
3h 15mnonstop
$478Southwest
Sun, Jan 24 - Thu, Jan 28

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Frontier flights from St. Louis to Mexico

Our best Frontier deals on St. Louis to Mexico flight tickets
Frontier
Oct 31
STL6:10 amLambert-St Louis
14h 45m
1 stop
MEX7:55 pmMexico City Benito Juarez
Nov 7
MEX12:05 pmMexico City Benito Juarez
10h 34m
1 stop
STL10:39 pmLambert-St Louis
$387
Frontier
Oct 31
STL6:20 amLambert-St Louis
14h 35m
1 stop
MEX7:55 pmMexico City Benito Juarez
Nov 7
MEX12:05 pmMexico City Benito Juarez
24h 28m
1 stop
STL12:33 pmLambert-St Louis
$395
Frontier
Nov 5
STL12:14 pmLambert-St Louis
10h 31m
1 stop
MEX10:45 pmMexico City Benito Juarez
Nov 10
MEX7:55 pmMexico City Benito Juarez
18h 51m
1 stop
STL2:46 pmLambert-St Louis
$403

United Airlines flights from St. Louis to Mexico

Our best United Airlines deals on St. Louis to Mexico flight tickets
United Airlines
Jan 23
STL7:04 pmLambert-St Louis
17h 39m
2 stops
SJD11:43 amSan José del Cabo Los Cabos
Jan 28
SJD2:11 pmSan José del Cabo Los Cabos
6h 55m
1 stop
STL10:06 pmLambert-St Louis
$426
United Airlines
Dec 1
STL6:00 amLambert-St Louis
6h 43m
1 stop
SJD11:43 amSan José del Cabo Los Cabos
Dec 5
SJD2:11 pmSan José del Cabo Los Cabos
7h 15m
1 stop
STL10:26 pmLambert-St Louis
$466
United Airlines
Jan 1
STL6:58 pmLambert-St Louis
17h 45m
2 stops
SJD11:43 amSan José del Cabo Los Cabos
Jan 7
SJD2:11 pmSan José del Cabo Los Cabos
6h 55m
1 stop
STL10:06 pmLambert-St Louis
$471

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Mexico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Sat 10/31

6:10 am-7:55 pm

1 stop14h 45m

Mexico City Benito Juarez

Sat 11/7

12:05 pm-10:39 pm

1 stop10h 34m

$387

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Sat 10/31

6:20 am-7:55 pm

1 stop14h 35m

Mexico City Benito Juarez

Sat 11/7

12:05 pm-12:33 pm

1 stop24h 28m

$395

St. LouisCancún

STL Lambert-St Louis - CUN Cancun

STLCUN

Lambert-St Louis

Sat 10/10

7:42 pm-11:58 pm

2 stops28h 16m

Cancun

Thu 10/15

11:08 am-2:25 pm

Nonstop3h 17m

$424

St. LouisCancún

STL Lambert-St Louis - CUN Cancun

STLCUN

Lambert-St Louis

Sat 10/10

7:42 pm-11:58 pm

2 stops28h 16m

Cancun

Wed 10/14

11:08 am-2:25 pm

Nonstop3h 17m

$424

St. LouisSan José del Cabo

STL Lambert-St Louis - SJD San José del Cabo Los Cabos

STLSJD

Lambert-St Louis

Sat 12/5

7:00 pm-11:43 am

2 stops17h 43m

San José del Cabo Los Cabos

Fri 12/11

2:11 pm-10:26 pm

1 stop7h 15m

$426

St. LouisSan José del Cabo

STL Lambert-St Louis - SJD San José del Cabo Los Cabos

STLSJD

Lambert-St Louis

Sat 1/23

7:04 pm-11:43 am

2 stops17h 39m

San José del Cabo Los Cabos

Fri 1/29

2:11 pm-10:06 pm

1 stop6h 55m

$426

St. LouisSan José del Cabo

STL Lambert-St Louis - SJD San José del Cabo Los Cabos

STLSJD

Lambert-St Louis

Sat 10/17

7:10 pm-9:52 am

1 stop16h 42m

San José del Cabo Los Cabos

Wed 10/21

10:52 am-11:42 pm

1 stop10h 50m

$431

St. LouisSan José del Cabo

STL Lambert-St Louis - SJD San José del Cabo Los Cabos

STLSJD

Lambert-St Louis

Sat 12/5

8:15 pm-12:44 pm

1 stop17h 29m

San José del Cabo Los Cabos

Fri 12/11

3:21 pm-11:33 pm

1 stop7h 12m

$431
Quickest round-trip

St. LouisCancún

STL Lambert-St Louis - CUN Cancun

STLCUN

Lambert-St Louis

Sun 1/24

11:10 am-3:25 pm

Nonstop3h 15m

Cancun

Thu 1/28

3:35 pm-5:50 pm

Nonstop3h 15m

$474

St. LouisCancún

STL Lambert-St Louis - CUN Cancun

STLCUN

Lambert-St Louis

Sun 1/24

6:05 am-2:35 pm

1 stop7h 30m

Cancun

Thu 1/28

3:35 pm-5:50 pm

Nonstop3h 15m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Mexico from

How to get the cheapest flight ticket from St. Louis to Mexico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Mexico?

If you’re not able to fly to Mexico in January, then April is your next best option. Flight prices from St. Louis to Mexico during April average around $539.

What is the cheapest Lambert-St Louis to Mexico flight route?

Fly from Lambert-St Louis to Cancun for the best Lambert-St Louis - Mexico flight prices

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

You are more likely to see cheaper flights to Mexico from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico for around $690 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico from St. Louis for as low as $519 on momondo.

What cabin class options are available on St. Louis to Mexico flights?

There are 4 cabin classes available to choose from on St. Louis to Mexico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Mexico flights?

You could potentially save up to 28% on your flight if you consider stops on a St. Louis to Mexico flight.

Cheap St. Louis to Mexico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Mexico

Best Price Found

$155

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Mexico

129 airports
The best one-way flight to Mexico from St. Louis in the past 72 hours is $155. The best round-trip flight deal from St. Louis to Mexico found on momondo in the last 72 hours is $387.
The fastest flight from St. Louis to Mexico takes 3h 05m
Direct flights go from St. Louis to Mexico every day.
There are 129 airports in Mexico. From St. Louis there are direct flights to Cancun (CUN).
Search flight deals

Frequently asked questions about flying from St. Louis to Mexico

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Mexico?

    Prices for flights from Lambert-St Louis Airport to Mexico are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Mexico?

  • How old do you have to be to fly from Lambert-St Louis Airport to Mexico?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Mexico.

  • What documentation or ID do you need to fly to Mexico?

    The travel and health documents you'll need for your trip to Mexico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Mexico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Mexico?

Best airlines flying from St. Louis to Mexico

Compare and see reviews for airlines that fly from St. Louis to Mexico with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $179Free CancellationRating
7.8
8,529 reviews
Search Delta flights
VolarisPriceFrom $187Free CancellationRating
6.6
1,143 reviews
Search Volaris flights
Air CanadaPriceFrom $195Free CancellationRating
7.1
11,529 reviews
Search Air Canada flights
AeromexicoPriceFrom $196Free CancellationRating
7.4
1,471 reviews
Search Aeromexico flights
FrontierPriceFrom $227Free CancellationRating
5.6
2,649 reviews
Search Frontier flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
10,121 reviews
Search United Airlines flights
JetBluePriceFrom $404Free CancellationRating
7.1
3,031 reviews
Search JetBlue flights
American AirlinesPriceFrom $429Free CancellationRating
7.1
11,988 reviews
Search American Airlines flights
SouthwestPriceFrom $456Free CancellationRating
8.0
4,209 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $527Free CancellationRating
7.9
12,840 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Mexico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Mexico from St. Louis.

Can I find flights from St. Louis to Mexico with flexible booking policies on momondo?

Yes. All flights to Mexico from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Mexico?

momondo helps you find the best flight between St. Louis and Mexico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Mexico right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Mexico flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Mexico

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