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McAllen

$202+ Cheap flights from St. Louis to McAllen (STL - MFE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$427
Provider with most accurate pricing for Lambert-St Louis-McAllen Miller Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-McAllen Miller Intl flights.
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From Lambert-St Louis to McAllen Miller Intl
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Highest demand for flights based on searches. 18% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amSTL - MFE
1 stop5h 38mUnited Airlines
Wed 1/75:25 pmMFE - STL
1 stop4h 35mUnited Airlines
Deal found 11/6$313
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/251:22 pmSTL - MFE
2 stops10h 36mDelta
Wed 1/71:00 pmMFE - STL
2 stops10h 25mDelta
Deal found 11/6$334
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/206:15 amSTL - MFE
1 stop5h 14mUnited Airlines
Mon 11/245:00 amMFE - STL
1 stop5h 39mUnited Airlines
Deal found 11/5$339
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:19 pmSTL - MFE
1 stop16h 35mMultiple Airlines
Tue 1/67:51 pmMFE - STL
2 stops14h 11mMultiple Airlines
Deal found 11/5$344
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:20 pmSTL - MFE
1 stop5h 45mAmerican Airlines
Sat 11/225:34 amMFE - STL
1 stop5h 05mAmerican Airlines
Deal found 11/6$383
This Delta deal was found by Cheapflights users on 11/5. 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 11/206:00 amSTL - MFE
2 stops10h 44mDelta
Mon 11/245:25 amMFE - STL
2 stops7h 35mDelta
Deal found 11/5$399
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/264:35 pmSTL - MFE
1 stop5h 24mUnited Airlines
Tue 12/25:20 pmMFE - STL
1 stop4h 38mUnited Airlines
Deal found 11/4$400
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:19 pmSTL - MFE
1 stop16h 35mMultiple Airlines
Wed 1/71:49 pmMFE - STL
1 stop27h 00mMultiple Airlines
Deal found 11/6$411
This Delta deal was found by Cheapflights users on 11/6. 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.
Tue 11/111:55 pmSTL - MFE
2 stops10h 04mDelta
Sat 11/225:25 amMFE - STL
2 stops7h 01mDelta
Deal found 11/6$431
This Delta deal was found by Cheapflights users on 11/5. 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 12/251:22 pmSTL - MFE
2 stops10h 36mDelta
Tue 1/61:00 pmMFE - STL
2 stops10h 25mDelta
Deal found 11/5$434

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 November 6, 2025.
Use the filters below to find and compare flights from St. Louis to McAllen that are best for you.

Fly from

St. Louis

Fly to

McAllen

Route

Depart

Return

Price

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 1/14

6:00 am-2:34 pm

2 stops8h 34m

McAllen Miller Intl

Tue 1/20

9:59 am-4:14 pm

1 stop6h 15m

$202

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 1/14

6:00 am-4:45 pm

2 stops10h 45m

McAllen Miller Intl

Tue 1/20

1:00 pm-11:25 pm

2 stops10h 25m

$207

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 12/25

6:00 am-11:38 am

1 stop5h 38m

McAllen Miller Intl

Wed 1/7

5:25 pm-10:00 pm

1 stop4h 35m

$313

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 12/25

1:22 pm-11:58 pm

2 stops10h 36m

McAllen Miller Intl

Wed 1/7

1:00 pm-11:25 pm

2 stops10h 25m

$334

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 11/20

6:15 am-11:29 am

1 stop5h 14m

McAllen Miller Intl

Mon 11/24

5:00 am-10:39 am

1 stop5h 39m

$339

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 12/25

5:19 pm-9:54 am

1 stop16h 35m

McAllen Miller Intl

Tue 1/6

7:51 pm-10:02 am

2 stops14h 11m

$344

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 11/20

6:00 am-4:44 pm

2 stops10h 44m

McAllen Miller Intl

Mon 11/24

5:25 am-1:00 pm

2 stops7h 35m

$399

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 11/26

4:35 pm-9:59 pm

1 stop5h 24m

McAllen Miller Intl

Tue 12/2

5:20 pm-9:58 pm

1 stop4h 38m

$400

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 12/25

5:19 pm-9:54 am

1 stop16h 35m

McAllen Miller Intl

Wed 1/7

1:49 pm-4:49 pm

1 stop27h 00m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-McAllen flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 is the cheapest month to book a flight from St. Louis to McAllen?

Currently, May is the cheapest month in which you can book a flight from St. Louis to McAllen (average of $196). Flying from St. Louis to McAllen in July is currently the most expensive (average of $313). 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.

How much does it cost to fly round-trip from St. Louis to McAllen?

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 November 6, 2025.
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
7.2
Good
11,040 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,040 reviews
American Airlines
7.2
Good
11,040 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

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 American Airlines, Delta, and United Airlines fly from St. Louis to McAllen in about 5h 38m. The time it takes to get you to your destination can typically vary by up to 5h 07m. 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 $196 on this airline. American Airlines is currently priced 48% 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.

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

    Currently, May is the cheapest month in which you can book a flight from St. Louis to McAllen (average of $196). Flying from St. Louis to McAllen in July is currently the most expensive (average of $313). 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

Traveling to a place near McAllen?

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

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$393FlexibilityNo cancel feeOn-time71%

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