Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to McAllen from $213

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to McAllen departing on 4/20. 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.

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

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
6:11 pm - 10:40 pm
STL
-
MFE
4h 29m
1 stop
American Airlines Logo
3:45 pm - 11:46 pm
MFE
-
STL
8h 01m
2 stops
$213American Airlines
Mon, Apr 20 - Sat, Apr 25
Delta Logo
11:42 am - 11:59 pm
STL
-
MFE
12h 17m
2 stops
Delta Logo
12:56 pm - 11:21 pm
MFE
-
STL
10h 25m
2 stops
$265Delta
Tue, May 5 - Thu, May 7
Delta Logo
6:21 am - 4:37 pm
STL
-
MFE
10h 16m
2 stops
Delta Logo
5:25 am - 4:10 pm
MFE
-
STL
10h 45m
2 stops
$280Delta
Tue, May 12 - Wed, May 20
American Airlines Logo
12:27 pm - 5:30 pm
STL
-
MFE
5h 03m
1 stop
American Airlines Logo
1:13 pm - 7:30 pm
MFE
-
STL
6h 17m
1 stop
$289American Airlines
Tue, May 12 - Wed, May 20
United Airlines Logo
4:44 pm - 10:59 pm
STL
-
MFE
6h 15m
1 stop
United Airlines Logo
5:15 am - 9:30 am
MFE
-
STL
4h 15m
1 stop
$291United Airlines
Tue, May 5 - Thu, May 7
American Airlines Logo
7:05 am - 2:51 pm
STL
-
MFE
7h 46m
2 stops
American Airlines Logo
3:45 pm - 10:59 pm
MFE
-
STL
7h 14m
1 stop
$294American Airlines
Tue, May 12 - Wed, May 20
United Airlines Logo
11:15 am - 10:59 pm
STL
-
MFE
11h 44m
2 stops
United Airlines Logo
5:15 am - 9:30 am
MFE
-
STL
4h 15m
1 stop
$296United Airlines
Tue, May 5 - Thu, May 7
American Airlines Logo
5:51 am - 2:51 pm
STL
-
MFE
9h 00m
2 stops
American Airlines Logo
1:13 pm - 11:56 pm
MFE
-
STL
10h 43m
2 stops
$300American Airlines
Tue, May 12 - Tue, May 19
American Airlines Logo
6:11 pm - 11:59 pm
STL
-
MFE
5h 48m
1 stop
American Airlines Logo
1:10 pm - 7:30 pm
MFE
-
STL
6h 20m
1 stop
$318American Airlines
Mon, Apr 20 - Sat, Apr 25
United Airlines Logo
11:15 am - 10:59 pm
STL
-
MFE
11h 44m
2 stops
United Airlines Logo
5:15 am - 9:30 am
MFE
-
STL
4h 15m
1 stop
$329United Airlines
Tue, May 5 - Thu, May 7

Delta flights from St. Louis to McAllen

Our best Delta deals on St. Louis to McAllen flight tickets
Delta
May 12
STL6:21 amLambert-St Louis
10h 16m
2 stops
MFE4:37 pmMcAllen Miller Intl
May 20
MFE5:25 amMcAllen Miller Intl
10h 45m
2 stops
STL4:10 pmLambert-St Louis
$280
Delta
Apr 7
STL12:04 pmLambert-St Louis
11h 55m
2 stops
MFE11:59 pmMcAllen Miller Intl
Apr 10
MFE1:20 pmMcAllen Miller Intl
10h 38m
2 stops
STL11:58 pmLambert-St Louis
$345
Delta
Apr 10
STL2:12 pmLambert-St Louis
9h 47m
2 stops
MFE11:59 pmMcAllen Miller Intl
Apr 14
MFE5:25 amMcAllen Miller Intl
12h 01m
2 stops
STL5:26 pmLambert-St Louis
$356

American Airlines flights from St. Louis to McAllen

Our best American Airlines deals on St. Louis to McAllen flight tickets
American Airlines
Apr 20
STL6:11 pmLambert-St Louis
4h 29m
1 stop
MFE10:40 pmMcAllen Miller Intl
Apr 25
MFE3:45 pmMcAllen Miller Intl
8h 01m
2 stops
STL11:46 pmLambert-St Louis
$213
American Airlines
May 12
STL12:27 pmLambert-St Louis
5h 03m
1 stop
MFE5:30 pmMcAllen Miller Intl
May 20
MFE1:13 pmMcAllen Miller Intl
6h 17m
1 stop
STL7:30 pmLambert-St Louis
$289
American Airlines
May 12
STL7:05 amLambert-St Louis
10h 25m
2 stops
MFE5:30 pmMcAllen Miller Intl
May 19
MFE6:00 pmMcAllen Miller Intl
4h 59m
1 stop
STL10:59 pmLambert-St Louis
$294

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 March 27, 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

Mon 4/20

6:11 pm-10:40 pm

1 stop4h 29m

McAllen Miller Intl

Sat 4/25

3:45 pm-11:46 pm

2 stops8h 01m

$213

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/5

11:42 am-11:59 pm

2 stops12h 17m

McAllen Miller Intl

Thu 5/7

12:56 pm-11:21 pm

2 stops10h 25m

$265

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/12

6:21 am-4:37 pm

2 stops10h 16m

McAllen Miller Intl

Wed 5/20

5:25 am-4:10 pm

2 stops10h 45m

$280

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/12

12:27 pm-5:30 pm

1 stop5h 03m

McAllen Miller Intl

Wed 5/20

1:13 pm-7:30 pm

1 stop6h 17m

$289
Quickest round-trip

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/5

4:44 pm-10:59 pm

1 stop6h 15m

McAllen Miller Intl

Thu 5/7

5:15 am-9:30 am

1 stop4h 15m

$291

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/12

7:05 am-2:51 pm

2 stops7h 46m

McAllen Miller Intl

Wed 5/20

3:45 pm-10:59 pm

1 stop7h 14m

$294

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/5

11:15 am-10:59 pm

2 stops11h 44m

McAllen Miller Intl

Thu 5/7

5:15 am-9:30 am

1 stop4h 15m

$296

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/12

5:51 am-2:51 pm

2 stops9h 00m

McAllen Miller Intl

Tue 5/19

1:13 pm-11:56 pm

2 stops10h 43m

$300

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Mon 4/20

6:11 pm-11:59 pm

1 stop5h 48m

McAllen Miller Intl

Sat 4/25

1:10 pm-7:30 pm

1 stop6h 20m

$318

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/5

11:15 am-10:59 pm

2 stops11h 44m

McAllen Miller Intl

Thu 5/7

5:15 am-9:30 am

1 stop4h 15m

$329

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 typical price of a round-trip flight between St. Louis and McAllen?

Can stopping save me money on St. Louis to McAllen flights?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to McAllen flight.

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

4h 46m

Direct flights

None
The fastest flight from St. Louis to McAllen takes 4h 46m
There are no direct flights from St. Louis to McAllen. There are no popular flight routes from St. Louis to McAllen.
Search flight deals

  • 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 4h 46m.

  • 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 $240Free CancellationRating
7.1
11,507 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
Mission
Edinburg

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
Sun 4/26
Sun 5/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States