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McAllen

$304+ Cheap flights from St. Louis to McAllen (STL - MFE)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
1 adult, Economy
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Cheap flight deals from St. Louis to McAllen

Cheapest flights from St. Louis to McAllen
Explore the most affordable flight options available from St. Louis to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.

This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:22 pm
STL
-
MFE
2 stops9h 37m
Delta
Mon 11/24:02 pm
MFE
-
STL
2 stops7h 46m
Delta
Deal found 7/8$329
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am
STL
-
MFE
2 stops12h 06m
Delta
Tue 9/225:20 am
MFE
-
STL
2 stops10h 34m
Delta
Deal found 7/6$350
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:39 pm
STL
-
MFE
2 stops8h 20m
Delta
Mon 8/245:20 am
MFE
-
STL
2 stops9h 13m
Delta
Deal found 7/7$354
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:05 pm
STL
-
MFE
2 stops8h 54m
United Airlines
Wed 8/265:19 am
MFE
-
STL
1 stop4h 51m
United Airlines
Deal found 7/3$365
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:35 pm
STL
-
MFE
1 stop6h 37m
American Airlines
Mon 8/2410:56 am
MFE
-
STL
1 stop7h 09m
American Airlines
Deal found 7/7$389
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:24 pm
STL
-
MFE
1 stop4h 51m
American Airlines
Sat 8/86:03 pm
MFE
-
STL
1 stop5h 39m
American Airlines
Deal found 7/7$423

Find flight deals from St. Louis to McAllen

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to McAllen (MFE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)

One-way from

$304
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$594
Provider with most accurate pricing for Lambert-St Louis-McAllen Miller Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-McAllen Miller Intl flights.
Search Deals
From Lambert-St Louis to McAllen Miller Intl
Search Deals
One-way flight from Lambert-St Louis to McAllen Miller Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to McAllen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
Use the filters below to find and compare flights from St. Louis to McAllen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 8/20

3:39 pm-11:59 pm

2 stops8h 20m

McAllen Miller Intl

Mon 8/24

5:20 am-2:33 pm

2 stops9h 13m

$354

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 8/22

3:13 pm-9:59 pm

1 stop6h 46m

McAllen Miller Intl

Wed 8/26

5:19 am-10:10 am

1 stop4h 51m

$391

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 8/29

7:25 am-5:44 pm

2 stops10h 19m

McAllen Miller Intl

Wed 9/2

5:19 am-10:10 am

1 stop4h 51m

$396
Quickest round-trip

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 7/18

5:33 am-9:57 am

1 stop4h 24m

McAllen Miller Intl

Sat 8/8

6:03 pm-11:42 pm

1 stop5h 39m

$449
Cheapest one-way

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 9/9

8:35 am-3:59 pm

1 stop7h 24m

$304
Quickest one-way

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 7/11

6:14 am-11:25 am

1 stop5h 11m

$382

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 7/16

7:08 am-4:18 pm

2 stops9h 10m

$452

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 7/16

8:08 pm-9:53 am

3 stops37h 45m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Sorted by cheapest first

Compare providers for flights from St. Louis to McAllen

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 St. Louis to McAllen in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 St. Louis-McAllen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-McAllen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-McAllen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-McAllen 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 St. Louis-McAllen 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 St. Louis to McAllen

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

What’s the top layover airport for flights from St. Louis to McAllen?

Share of 1-stop round-trip flights from St. Louis to McAllen chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dallas (DFW) – chosen by Cheapflights users on 75% of 1-stop itineraries from St. Louis to McAllen on Cheapflights.

What’s the cheapest layover airport for flights from St. Louis to McAllen?

Average round-trip fare for 1-stop flights from St. Louis to McAllen, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $376.

What’s the fastest layover option from St. Louis to McAllen?

Shortest average travel time for 1-stop one-way flights from St. Louis to McAllen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 4h 30m.

Which airport typically offers the quickest layover for flights from St. Louis to McAllen?

Average layover duration for 1-stop one-way flights from St. Louis to McAllen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 26m.

Reviews of airlines servicing McAllen

Get insights into the airlines that provide service to McAllen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to McAllen. Reviews last updated July 9, 2026.
Peruse reviews from past customers who have flown with American Airlines from St. Louis to McAllen 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.
American Airlines
7.1
Good
11,785 reviews

Boarding

7.5

Comfort

7.2

Food

6.4

Crew

7.9

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.1
Good
11,785 reviews
American Airlines
7.1
Good
11,785 reviews

Boarding

7.5

Comfort

7.2

Food

6.4

Crew

7.9

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

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

  • How long is the flight from St. Louis to McAllen?

    Airlines like Delta and United Airlines fly from St. Louis to McAllen in about 6h 46m. The time it takes to get you to your destination can typically vary by up to 1h 34m. Airlines will cover a distance of 981 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from St. Louis to McAllen is American Airlines. Our recent data shows that you can find tickets from as low as $240 on this airline. American Airlines is currently priced 45% below the average price you’ll pay for this route.

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

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

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

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

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

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

See more FAQs

Traveling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Pharr
Weslaco
Mission
Edinburg

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Alternative routes for St. Louis to McAllen

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Top airline flying from St. Louis to McAllen

Discover the top airline that operate flights from St. Louis to McAllen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$240Average$431FlexibilityNo cancel feeOn-time71%

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