What is the cheapest airline to fly from McAllen to St. Louis round-trip?

American Airlines, at $208, was found to be the cheapest airline from McAllen to St. Louis.. This flight start at 42% lower than the current average price 3 months from now.

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

Currently, August is the cheapest month in which you can book a flight from McAllen to St. Louis (average of $311). Flying from McAllen 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 day to fly from McAllen to St. Louis?

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

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.

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).

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

Users have found that flying from McAllen to St. Louis on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

January is one of the best times of the year to fly to St. Louis from McAllen. Prices for January average $360 per person but you can even find prices for as low as $239. The most expensive prices can be found in the month of November. Opting for a January flight can save you 33% on your journey compared to booking in November

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

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

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

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

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

Yes. Cheapflights offers flight deals from McAllen 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.

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Cheap flight deals from McAllen to St. Louis

Popular in	November
Cheapest in	January
Average price	$367

Highest demand for flights based on searches. 14% potential increase in price ($59 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Best time to book a flight from McAllen to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from McAllen 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.

Cheapflights Insights

Everything you need to know about your flight from McAllen to St. Louis

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

When flying from McAllen to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight at noon.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from McAllen to St. Louis, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

What is the cheapest airline to fly from McAllen to St. Louis round-trip?
American Airlines, at $208, was found to be the cheapest airline from McAllen to St. Louis.. This flight start at 42% lower than the current average price 3 months from now.
Can I find deals for flights from McAllen to St. Louis that include hotel bookings?
Yes. In addition to deals on McAllen to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from McAllen to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from McAllen to St. Louis.
Can I find deals for business class flights from McAllen to St. Louis?
Yes. Cheapflights offers flight deals from McAllen 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 McAllen to St. Louis?
Currently, August is the cheapest month in which you can book a flight from McAllen to St. Louis (average of $311). Flying from McAllen 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.

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Top airline flying from McAllen to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$208	Average$330	FlexibilityNo cancel fee	On-time71%

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Cheap flights from McAllen to St. Louis (MFE - STL)

Find cheap flights from McAllen to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from McAllen to St. Louis

Popular in

Cheapest in

Average price

Best time to book a flight from McAllen to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight from McAllen to St. Louis

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

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from McAllen to St. Louis, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from McAllen 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 is the cheapest airline to fly from McAllen to St. Louis round-trip?

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for McAllen to St. Louis

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Top airline flying from McAllen to St. Louis

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