What are the cheapest airlines flying from Mexico City to St. Louis round-trip?

Frontier, at $408, was found to be the cheapest airline from Mexico City to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 24% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Mexico City to St. Louis one-way?

One-way options have recently been found by users for as low as $216 on Volaris. Other airlines that offer cheap prices include Frontier from $263 and Delta from $373 one-way.

What is the cheapest day to fly from Mexico City to St. Louis?

Travelers seeking maximum savings on their Mexico City to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Mexico City to St. Louis?

Friday flights are generally found to be more expensive for flights from Mexico City to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

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

Travelers have found it’s best to book a flight 9 days in advance to save up to 113% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 9 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Mexico City to St. Louis 1-2 weeks in advance for as low as $328, or $699 for flights within the next 24 hours.

What is the cheapest month to fly from Mexico City to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to St. Louis. Flights to St. Louis from Mexico City in February are about $541 on average during February, but can be found for as low as $420.

Most accurate provider : When it comes to deals on Mexico City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mexico City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mexico City-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Mexico City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Mexico City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Mexico City to St. Louis that include hotel bookings?

Yes. In addition to deals on Mexico City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Mexico City to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico City to St. Louis.

Can I find deals for business class flights from Mexico City to St. Louis?

Yes. Cheapflights offers flight deals from Mexico City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$216+ Flights from Mexico City to St. Louis

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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The best prices from Mexico City Benito Juarez to Lambert-St Louis are usually found in February or July, booked 8 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Mexico City to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$396 (Kiwi.com)
One-way from	$216 (Cheapflightsfares)
Popular in	December
Cheapest in	February
Average price	$643

Provider with most accurate pricing for Mexico City Benito Juarez-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Lambert-St Louis flights.

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From Mexico City Benito Juarez to Lambert-St Louis

Search Deals

One-way flight from Mexico City Benito Juarez to Lambert-St Louis

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High demand for flights, 11% potential price rise

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Best time to find cheap flights, 1% potential price drop

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Average for round-trip flights in December 2024

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Find flight deals from Mexico City to St. Louis

Cheapest flights from Mexico City to St. Louis
Explore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Tue 12/2412:40 amMEX - STL

2 stops11h 30mMultiple Airlines

Fri 12/276:49 pmSTL - MEX

1 stop23h 56mMultiple Airlines

Deal found 12/21

$640

Wed 12/253:15 pmMEX - STL

1 stop8h 44mUnited Airlines

Fri 12/278:30 amSTL - MEX

1 stop25h 35mUnited Airlines

Deal found 12/21

$864

Wed 12/2510:00 amMEX - STL

2 stops10h 43mAeromexico

Fri 12/276:00 amSTL - MEX

2 stops13h 40mAeromexico

Deal found 12/21

$1,022

Tue 12/241:10 amMEX - STL

1 stop13h 56mAir Canada

Fri 12/273:50 pmSTL - MEX

1 stop20h 35mAir Canada

Deal found 12/21

$1,380

Best flights from Mexico City to St. Louis
Discover carefully curated flight deals from Mexico City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

Fri 2/2111:10 amMEX - STL

1 stop12h 33mMultiple Airlines

Sat 3/112:15 pmSTL - MEX

2 stops16h 55mMultiple Airlines

Deal found 12/21

$396

Sun 1/1911:10 amMEX - STL

1 stop12h 21mFrontier

Sun 1/268:22 amSTL - MEX

1 stop11h 23mFrontier

Deal found 12/21

$408

Sun 1/195:40 amMEX - STL

2 stops10h 51mUnited Airlines

Sun 1/264:36 pmSTL - MEX

2 stops19h 39mUnited Airlines

Deal found 12/21

$523

Fri 2/211:50 pmMEX - STL

2 stops9h 47mDelta

Fri 2/286:00 amSTL - MEX

2 stops14h 05mDelta

Deal found 12/21

$538

Fri 2/217:05 amMEX - STL

1 stop8h 29mAeromexico

Sun 3/26:00 amSTL - MEX

2 stops12h 05mAeromexico

Deal found 12/21

$738

Thu 2/201:10 amMEX - STL

1 stop13h 56mAir Canada

Fri 2/283:50 pmSTL - MEX

1 stop20h 35mAir Canada

Deal found 12/21

$1,071

Mon 2/31:15 amMEX - STL

2 stops21h 54mWestJet

Tue 2/116:00 amSTL - MEX

2 stops25h 00mWestJet

Deal found 12/21

$1,351

Last-minute flights from Mexico City to St. Louis
Discover last-minute flight deals from Mexico City to St. Louis. Data last updated December 22, 2024 and is based on user searches.

Tue 12/2412:40 amMEX - STL

2 stops11h 30mMultiple Airlines

Fri 12/276:49 pmSTL - MEX

1 stop23h 56mMultiple Airlines

Deal found 12/21

$640

Wed 12/2510:00 amMEX - STL

2 stops10h 43mAeromexico

Fri 12/276:00 amSTL - MEX

2 stops13h 40mAeromexico

Deal found 12/21

$1,022

Wed 1/14:35 amMEX - STL

2 stops16h 44mFrontier

Mon 1/138:34 pmSTL - MEX

2 stops22h 11mFrontier

Deal found 12/21

$892

Wed 1/11:10 amMEX - STL

1 stop13h 56mAir Canada

Mon 1/133:50 pmSTL - MEX

1 stop20h 35mAir Canada

Deal found 12/21

$1,472

Sat 1/181:10 amMEX - STL

2 stops14h 28mAir Canada

Sun 1/263:50 pmSTL - MEX

1 stop8h 55mAir Canada

Deal found 12/21

$1,204

Sun 1/1911:10 amMEX - STL

1 stop12h 21mFrontier

Sun 1/268:22 amSTL - MEX

1 stop11h 23mFrontier

Deal found 12/21

$408

Sun 1/195:40 amMEX - STL

2 stops10h 51mUnited Airlines

Sun 1/264:36 pmSTL - MEX

2 stops19h 39mUnited Airlines

Deal found 12/21

$523

One-way flights from Mexico City to St. Louis
Search for one-way flight options from Mexico City to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 22, 2024.

Fri 1/244:35 amMEX - STL

1 stop10h 22mVolaris

Deal found 12/21

$216

Fri 1/244:35 amMEX - STL

1 stop10h 22mFrontier

Deal found 12/21

$263

Wed 1/88:10 amMEX - STL

3 stops39h 17mMultiple Airlines

Deal found 12/21

$269

Sat 1/256:45 amMEX - STL

2 stops11h 17mDelta

Deal found 12/21

$373

Wed 1/15:45 amMEX - STL

2 stops10h 02mUnited Airlines

Deal found 12/21

$456

Tue 1/75:50 amMEX - STL

1 stop18h 07mAmerican Airlines

Deal found 12/21

$632

Sun 1/51:10 amMEX - STL

1 stop13h 56mAir Canada

Deal found 12/21

$1,273

Fri 1/241:20 amMEX - STL

2 stops17h 49mCopa Airlines

Deal found 12/21

$1,534

Find flights from Mexico City to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/21

11:10 am-11:43 pm

1 stop12h 33m

Lambert-St Louis

Sat 3/1

12:15 pm-5:10 am

2 stops16h 55m

$396

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Sun 1/19

11:10 am-11:31 pm

1 stop12h 21m

Lambert-St Louis

Sun 1/26

8:22 am-7:45 pm

1 stop11h 23m

$408

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Sun 1/19

5:40 am-4:31 pm

2 stops10h 51m

Lambert-St Louis

Sun 1/26

4:36 pm-12:15 pm

2 stops19h 39m

$523

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/21

1:50 pm-11:37 pm

2 stops9h 47m

Lambert-St Louis

Fri 2/28

6:00 am-8:05 pm

2 stops14h 05m

$538

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/21

7:05 am-3:34 pm

1 stop8h 29m

Lambert-St Louis

Sun 3/2

6:00 am-6:05 pm

2 stops12h 05m

$738

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Thu 2/20

1:10 am-3:06 pm

1 stop13h 56m

Lambert-St Louis

Fri 2/28

3:50 pm-12:25 pm

1 stop20h 35m

$1,071

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 2/3

1:15 am-11:09 pm

2 stops21h 54m

Lambert-St Louis

Tue 2/11

6:00 am-7:00 am

2 stops25h 00m

$1,351

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 1/24

4:35 am-2:57 pm

1 stop10h 22m

$216

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 1/24

4:35 am-2:57 pm

1 stop10h 22m

$263

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Wed 1/8

8:10 am-11:27 pm

3 stops39h 17m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 15 results

Compare providers for flights from Mexico City to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mexico City to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Mexico City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mexico City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mexico City-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Mexico City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Mexico City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Mexico City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mexico City with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Mexico City to St. Louis

Get recent, data-driven insights about flights from Mexico City to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Mexico City to St. Louis?

The price you pay for your flight from Mexico City to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Mexico City to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Mexico City to St. Louis (average of $311). Flying from Mexico City to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MEX to STL?

When flying from Mexico City to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the afternoon.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Frontier and Air Canada from Mexico City to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,594 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines

7.7

Good

1,713 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aeromexico

7.5

Good

1,917 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

9,028 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Mexico City to St. Louis round-trip?
Frontier, at $408, was found to be the cheapest airline from Mexico City to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 24% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Mexico City to St. Louis one-way?
One-way options have recently been found by users for as low as $216 on Volaris. Other airlines that offer cheap prices include Frontier from $263 and Delta from $373 one-way.
Can I find deals for flights from Mexico City to St. Louis that include hotel bookings?
Yes. In addition to deals on Mexico City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mexico City to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico City to St. Louis.
Can I find deals for business class flights from Mexico City to St. Louis?
Yes. Cheapflights offers flight deals from Mexico City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Mexico City to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Mexico City to St. Louis (average of $311). Flying from Mexico City to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Mexico City to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$413	Average$563	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$433	Average$465	FlexibilityNo cancel fee	On-timeN/A

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$216+ Cheap flights from Mexico City (MEX) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Mexico City to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Mexico City Benito Juarez to Lambert-St Louis are usually found in February or July, booked 8 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Mexico City to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Mexico City to St. Louis

Cheapest flights from Mexico City to St. LouisExplore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Explore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Find flights from Mexico City to St. Louis within your budget

Compare providers for flights from Mexico City to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mexico City to St. Louis in December.

Best time to book a flight from Mexico City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mexico City with our price prediction graph.

Travel insights for flights from Mexico City to St. Louis

Get recent, data-driven insights about flights from Mexico City to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Mexico City to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to St. Louis. Price data was last updated on December 20, 2024.

What is the cheapest month to book a flight from Mexico City to St. Louis?

What is the cheapest time of day to fly from MEX to STL?

Find hourly flight availability from Mexico City to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Frontier and Air Canada from Mexico City to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Mexico City to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Mexico City to St. Louis round-trip?

What are the cheapest airlines to fly from Mexico City to St. Louis one-way?

Can I find deals for flights from Mexico City to St. Louis that include hotel bookings?

How can I find direct flights from Mexico City to St. Louis?

Can I find deals for business class flights from Mexico City to St. Louis?

What is the cheapest month to book a flight from Mexico City to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mexico City to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Mexico City to St. Louis

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Cheapest flights from Mexico City to St. Louis
Explore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.