Cheap flights from Mexico to St. Louis from $148
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mexico to St. Louis departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Mexico to St. Louis
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 day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Sunday when prices can be found for as low as $180. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $246. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Mexico in the morning is the least expensive time of day to depart. momondo users have found prices as low as $196 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $294 per ticket.
What is the cheapest Mexico to Lambert-St Louis flight route?
Fly from Cancun to Lambert-St Louis for the best Mexico - Lambert-St Louis flight prices
What cabin class options are available on Mexico to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Mexico to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Mexico to Lambert-St Louis?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Mexico to Lambert-St Louis
What airlines fly to St. Louis?
United Airlines, American Airlines and Aeromexico are the top three most popular airlines that fly to St. Louis from Mexico according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Mexico to St. Louis on average per day?
As of June 2025, 2 flights take off from Mexico and land in St. Louis each day. The most common flight departure time for this route is 10:00AM, with 61% of daily flights taking off in the afternoon.
How many flights depart from Mexico to St. Louis on average per week?
As of June 2025, 17 flights take off from Mexico and land in St. Louis each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap Mexico to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Mexico to St. Louis
When did momondo last update prices for flights from Mexico to Lambert-St Louis Airport?
Prices for flights from Mexico to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Mexico to Lambert-St Louis Airport?
The number of operators available for flights from Mexico to Lambert-St Louis Airport is 2 as of June 2025.
How old do you have to be to fly from Mexico to Lambert-St Louis Airport?
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 Mexico to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Mexico to St. Louis?
Based on momondo bookings for flights between Mexico and St. Louis, the leading plane model is Airbus A320neo, making up 23.81% of the total bookings. Other popular models include Boeing 737 MAX 8 with 15.87%, Airbus A321neo with 14.29%, and Boeing 737-900 with 12.70%.
Best airlines flying from Mexico to St. Louis
Compare and see reviews for airlines that fly from Mexico to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $441 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $453 | Free Cancellation | Rating 7.5 1,706 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Mexico to St. Louis?
Finding the right flight to St. Louis from Mexico is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Mexico to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Mexico to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Mexico to St. Louis?
Once you have performed a search for Mexico to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Mexico to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Mexico. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.