Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to McAllen from $184

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to McAllen departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to McAllen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:48 am - 3:34 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
6h 46m1 stop Dallas/Fort Worth
American Airlines Logo
6:16 pm - 11:33 pmMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 17m1 stop Dallas/Fort Worth
$329American Airlines
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
5:40 am - 10:32 amSTL  Lambert-St Louis-MFE McAllen Miller Intl
4h 52m1 stop Dallas/Fort Worth
American Airlines Logo
4:19 pm - 11:33 pmMFE  McAllen Miller Intl-STL Lambert-St Louis
7h 14m1 stop Dallas/Fort Worth
$329American Airlines
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
11:00 am - 5:59 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
6h 59m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 10:02 amMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 02m1 stop Houston George Bush Intcntl
$401United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
9:40 am - 5:59 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
8h 19m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:00 am - 10:02 amMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 02m1 stop Houston George Bush Intcntl
$406United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
7:30 am - 5:59 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
10h 29m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:00 am - 2:30 pmMFE  McAllen Miller Intl-STL Lambert-St Louis
9h 30m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$411United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
9:59 am - 9:58 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
11h 59m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
5:15 pm - 10:26 pmMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 11m1 stop Houston George Bush Intcntl
$414United Airlines
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
9:59 am - 9:58 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
11h 59m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
5:00 am - 10:02 amMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 02m1 stop Houston George Bush Intcntl
$414United Airlines
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
6:00 am - 5:59 pmSTL  Lambert-St Louis-MFE McAllen Miller Intl
11h 59m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
5:15 pm - 10:26 pmMFE  McAllen Miller Intl-STL Lambert-St Louis
5h 11m1 stop Houston George Bush Intcntl
$414United Airlines
Thu, Oct 29 - Mon, Nov 2

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from St. Louis to McAllen

Our best Delta deals on St. Louis to McAllen flight tickets
Delta
Oct 29
STL2:22 pmLambert-St Louis
9h 37m
2 stops
MFE11:59 pmMcAllen Miller Intl
Nov 2
MFE12:46 pmMcAllen Miller Intl
11h 08m
2 stops
STL11:54 pmLambert-St Louis
$454
Delta
Oct 29
STL2:22 pmLambert-St Louis
9h 37m
2 stops
MFE11:59 pmMcAllen Miller Intl
Nov 2
MFE12:46 pmMcAllen Miller Intl
11h 08m
2 stops
STL11:54 pmLambert-St Louis
$494

United Airlines flights from St. Louis to McAllen

Our best United Airlines deals on St. Louis to McAllen flight tickets
United Airlines
Oct 31
STL11:00 amLambert-St Louis
6h 59m
1 stop
MFE5:59 pmMcAllen Miller Intl
Nov 3
MFE5:00 amMcAllen Miller Intl
5h 02m
1 stop
STL10:02 amLambert-St Louis
$401
United Airlines
Oct 31
STL9:40 amLambert-St Louis
8h 19m
2 stops
MFE5:59 pmMcAllen Miller Intl
Nov 3
MFE5:00 amMcAllen Miller Intl
5h 02m
1 stop
STL10:02 amLambert-St Louis
$406
United Airlines
Oct 31
STL7:30 amLambert-St Louis
10h 29m
2 stops
MFE5:59 pmMcAllen Miller Intl
Nov 3
MFE5:00 amMcAllen Miller Intl
9h 30m
2 stops
STL2:30 pmLambert-St Louis
$411

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 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 Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Thu 10/29

8:48 am-3:34 pm

1 stop6h 46m

McAllen Miller Intl

Mon 11/2

6:16 pm-11:33 pm

1 stop5h 17m

$329

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Thu 10/29

5:40 am-10:32 am

1 stop4h 52m

McAllen Miller Intl

Mon 11/2

4:19 pm-11:33 pm

1 stop7h 14m

$329
Quickest round-trip

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Sat 10/31

11:00 am-5:59 pm

1 stop6h 59m

McAllen Miller Intl

Tue 11/3

5:00 am-10:02 am

1 stop5h 02m

$401

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Sat 10/31

9:40 am-5:59 pm

2 stops8h 19m

McAllen Miller Intl

Tue 11/3

5:00 am-10:02 am

1 stop5h 02m

$406

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Sat 10/31

7:30 am-5:59 pm

2 stops10h 29m

McAllen Miller Intl

Tue 11/3

5:00 am-2:30 pm

2 stops9h 30m

$411

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Thu 10/29

9:59 am-9:58 pm

2 stops11h 59m

McAllen Miller Intl

Mon 11/2

5:15 pm-10:26 pm

1 stop5h 11m

$414

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Thu 10/29

9:59 am-9:58 pm

2 stops11h 59m

McAllen Miller Intl

Mon 11/2

5:00 am-10:02 am

1 stop5h 02m

$414

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Thu 10/29

6:00 am-5:59 pm

2 stops11h 59m

McAllen Miller Intl

Mon 11/2

5:15 pm-10:26 pm

1 stop5h 11m

$414
Cheapest one-way

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Tue 9/8

5:27 pm-12:29 pm

3 stops43h 02m

$184

St. LouisMcAllen

STL Lambert-St Louis - MFE McAllen Miller Intl

STLMFE

Lambert-St Louis

Fri 9/11

12:17 pm-8:24 pm

1 stop8h 07m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to McAllen from

How to get the cheapest flight ticket from St. Louis to McAllen

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 month to fly to McAllen?

The month of January is, on average, the cheapest month to fly to McAllen from St. Louis, with most prices found around $0. If you don’t want to visit McAllen in January, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $293.

When to book flights from St. Louis to McAllen

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to McAllen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to McAllen (STL to MFE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to McAllen

Fastest flight time

6h 43m

Direct flights

None
The fastest flight from St. Louis to McAllen takes 6h 43m
There are no direct flights from St. Louis to McAllen. There are no popular flight routes from St. Louis to McAllen.
Search flight deals

Frequently asked questions about flying from St. Louis to McAllen

  • How far is Lambert-St Louis to McAllen Miller Intl by plane?

    The distance between Lambert-St Louis and McAllen Miller Intl is about 976.2 mi. By plane, this route typically takes 6h 43m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?

    Prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to McAllen Miller Intl 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 Lambert-St Louis Airport to McAllen Miller Intl Airport.

  • What documentation or ID do you need to fly to McAllen Miller Intl Airport?

    The travel and health documents you'll need for your trip to McAllen Miller Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at McAllen Miller Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to McAllen?

Best airlines flying from St. Louis to McAllen

Compare and see reviews for airlines that fly from St. Louis to McAllen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $267Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights

Traveling to a place near McAllen?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to McAllen?

Finding the right flight to McAllen from St. Louis 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 McAllen quick and easy, saving you time and money.

Can I find flights from St. Louis to McAllen with flexible booking policies on momondo?

Flights from St. Louis to McAllen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to McAllen?

momondo provides multiple filters to help you find the best flight to McAllen from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to McAllen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to McAllen from St. Louis. 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.

An easier way to manage your McAllen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/12
Sat 9/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States