$326+ Cheap flights from McAllen to St. Louis (MFE - STL)
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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — STL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from McAllen to St. Louis with Cheapflights
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.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from McAllen to St. Louis
Cheapest
Best
Last-minute
Cheapest flights from McAllen to St. LouisExplore the most affordable flight options available from McAllen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from McAllen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/294:37 pm -
1 stop7h 05m
Sun 11/17:06 pm -
1 stop5h 09m
Deal found 9/6![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:12 pm -
1 stop5h 31m
Sun 9/275:43 am -
1 stop4h 52m
Deal found 9/5![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/94:02 pm -
2 stops7h 19m
Sat 10/177:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:12 pm -
1 stop5h 30m
Sat 10/178:48 am -
1 stop6h 46m
Deal found 9/6![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/96:12 pm -
1 stop5h 30m
Mon 10/125:40 am -
1 stop4h 52m
Deal found 9/7![American Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 9/225:20 am -
2 stops12h 17m
Sat 9/267:05 am -
2 stops11h 16m
Deal found 9/7![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:08 pm -
1 stop4h 23m
Sat 9/268:00 am -
2 stops7h 59m
Deal found 9/7![United Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/6. 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 10/295:20 am -
2 stops11h 23m
Sun 11/17:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/257:00 am -
2 stops14h 09m
Tue 9/293:12 pm -
1 stop4h 17m
Deal found 9/10![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 12/237:01 am -
1 stop7h 19m
Sun 1/36:56 pm -
1 stop5h 03m
Deal found 9/7![American Airlines logo]()
$517
Best flights from McAllen to St. LouisDiscover carefully curated flight deals from McAllen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from McAllen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
2 stops9h 53m
Wed 2/35:55 pm -
1 stop5h 02m
Deal found 9/8![United Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 1/3012:47 pm -
2 stops10h 52m
Wed 2/39:00 am -
2 stops7h 01m
Deal found 9/8![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:12 pm -
1 stop5h 30m
Sat 10/178:48 am -
1 stop6h 46m
Deal found 9/6![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/94:02 pm -
2 stops7h 19m
Sat 10/177:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:08 pm -
1 stop4h 23m
Sat 9/268:00 am -
2 stops7h 59m
Deal found 9/7![United Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/6. 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 10/295:20 am -
2 stops11h 23m
Sun 11/17:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/254:35 pm -
1 stop7h 08m
Tue 9/293:34 pm -
1 stop6h 10m
Deal found 9/10![American Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/257:00 am -
2 stops14h 09m
Tue 9/293:12 pm -
1 stop4h 17m
Deal found 9/10![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/297:00 am -
2 stops8h 43m
Sun 11/16:15 am -
1 stop5h 05m
Deal found 9/6![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 9/254:35 pm -
2 stops7h 52m
Sun 9/275:43 am -
1 stop4h 52m
Deal found 9/7![American Airlines logo]()
$600
Last-minute flights from McAllen to St. LouisDiscover last-minute flight deals from McAllen to St. Louis. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from McAllen to St. Louis. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 9/225:20 am -
2 stops12h 17m
Sat 9/267:05 am -
2 stops11h 16m
Deal found 9/7![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:08 pm -
1 stop4h 23m
Sat 9/268:00 am -
2 stops7h 59m
Deal found 9/7![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:12 pm -
1 stop5h 31m
Sun 9/275:43 am -
1 stop4h 52m
Deal found 9/5![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/257:00 am -
2 stops14h 09m
Tue 9/293:12 pm -
1 stop4h 17m
Deal found 9/10![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/94:02 pm -
2 stops7h 19m
Sat 10/177:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:12 pm -
1 stop5h 30m
Sat 10/178:48 am -
1 stop6h 46m
Deal found 9/6![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/96:12 pm -
1 stop5h 30m
Mon 10/125:40 am -
1 stop4h 52m
Deal found 9/7![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/294:37 pm -
1 stop7h 05m
Sun 11/17:06 pm -
1 stop5h 09m
Deal found 9/6![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/6. 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 10/295:20 am -
2 stops11h 23m
Sun 11/17:00 am -
2 stops11h 23m
Deal found 9/6![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/297:00 am -
2 stops8h 43m
Sun 11/16:15 am -
1 stop5h 05m
Deal found 9/6![United Airlines logo]()
$529
Find flight deals from McAllen to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) to St. Louis (STL). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from McAllen to St. Louis 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from McAllen to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Sat 1/30
7:00 am-4:53 pm
2 stops9h 53m
Lambert-St Louis
Wed 2/3
5:55 pm-10:57 pm
1 stop5h 02m
$326
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Sat 1/30
12:47 pm-11:39 pm
2 stops10h 52m
Lambert-St Louis
Wed 2/3
9:00 am-4:01 pm
2 stops7h 01m
$351
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Fri 10/9
4:02 pm-11:21 pm
2 stops7h 19m
Lambert-St Louis
Sat 10/17
7:00 am-6:23 pm
2 stops11h 23m
$380
Quickest round-trip
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Fri 10/9
6:12 pm-11:42 pm
1 stop5h 30m
Lambert-St Louis
Sat 10/17
8:48 am-3:34 pm
1 stop6h 46m
$397
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Tue 9/22
2:08 pm-6:31 pm
1 stop4h 23m
Lambert-St Louis
Sat 9/26
8:00 am-3:59 pm
2 stops7h 59m
$442
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Thu 10/29
5:20 am-4:43 pm
2 stops11h 23m
Lambert-St Louis
Sun 11/1
7:00 am-6:23 pm
2 stops11h 23m
$474
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Fri 9/25
7:00 am-9:09 pm
2 stops14h 09m
Lambert-St Louis
Tue 9/29
3:12 pm-7:29 pm
1 stop4h 17m
$509
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Thu 10/29
7:00 am-3:43 pm
2 stops8h 43m
Lambert-St Louis
Sun 11/1
6:15 am-11:20 am
1 stop5h 05m
$529
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Fri 9/25
4:35 pm-11:43 pm
1 stop7h 08m
Lambert-St Louis
Tue 9/29
3:34 pm-9:44 pm
1 stop6h 10m
$532
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Fri 9/25
4:35 pm-12:27 am
2 stops7h 52m
Lambert-St Louis
Sun 9/27
5:43 am-10:35 am
1 stop4h 52m
$600
Sorted by cheapest first
Compare providers for flights from McAllen 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 McAllen to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on McAllen-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on McAllen-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from McAllen-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on McAllen-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 McAllen-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 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.
MFE-STL
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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 10, 2026.
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.
Crew
7.9
Food
6.4
Entertainment
6.8
Overall
7.1
Comfort
7.2
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Crew
7.9
Food
6.4
Entertainment
6.8
Overall
7.1
Comfort
7.2
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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McAllen and St. Louis flights
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Browse through other flights departing from McAllen. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
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Top airline flying from McAllen to St. Louis
Discover the top airline that operate flights from McAllen to St. Louis. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$569 | FlexibilityNo cancel fee | On-time71% |