$170 Cheap flight deals from St. Louis (STL) to Alamo (HRL)

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Airfares from $170 One Way, $314 Round Trip from St. Louis to Alamo

Prices starting at $314 for return flights and $170 for one-way flights to Alamo were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 9 - Sun, Apr 12
STL
St. Louis
HRL
Harlingen
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Apr 9 from St. Louis to Harlingen, returning Sun, Apr 12, priced at $314 found 2 days ago
Thu, Apr 9 - Sun, Apr 12
STL
St. Louis
HRL
Harlingen
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Apr 9 from St. Louis to Harlingen, returning Sun, Apr 12, priced at $329 found 2 days ago
Thu, Apr 9 - Sun, Apr 12
STL
St. Louis
HRL
Harlingen
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Apr 9 from St. Louis to Harlingen, returning Sun, Apr 12, priced at $339 found 2 days ago
Thu, Apr 9 - Sun, Apr 12
STL
St. Louis
HRL
Harlingen
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Apr 9 from St. Louis to Harlingen, returning Sun, Apr 12, priced at $349 found 2 days ago
Thu, Apr 9 - Sun, Apr 12
STL
St. Louis
HRL
Harlingen
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Apr 9 from St. Louis to Harlingen, returning Sun, Apr 12, priced at $350 found 2 days ago

Alamo economy flight packages

Price found within the past 48 hours. Click for updated prices.
Vali Ho Motel By OYO Weslaco Mercedes
2.0-star property

Vali Ho Motel By OYO Weslaco Mercedes

8.2/10 Very Good! (152 reviews)

Mar 28 - Mar 30

2 night stay

St. Louis (STL) to McAllen (MFE)

Southwest Airlines • Non-stop roundtrip • Coach
Price was $472, price is now $442 per person
$442
per person
found 1 day ago
Rooms were very clean as well as the bathroom. I had daily maid service. Location was great to proximity of Nuevo Progreso. Owners had very little personality, but for the price and cleanliness I didn’t care

Reviewed on Jan 12, 2026

Best Western Town Center Inn
2.5-star property

Best Western Town Center Inn

8.6/10 Excellent! (929 reviews)

Mar 28 - Mar 30

2 night stay

St. Louis (STL) to McAllen (MFE)

Southwest Airlines • Non-stop roundtrip • Coach
Price was $507, price is now $480 per person
$480
per person
found 1 day ago
Friendly staff, well run

Reviewed on Mar 27, 2022

Weslaco Inn
2.0-star property

Weslaco Inn

8.2/10 Very Good! (568 reviews)

Mar 28 - Mar 30

2 night stay

St. Louis (STL) to McAllen (MFE)

Southwest Airlines • Non-stop roundtrip • Coach
Price was $487, price is now $461 per person
$461
per person
found 1 day ago
We love this place. We have stayed here a lot and are always impressed with the cleanliness and condition of the rooms. They do a fantastic job of keeping the rooms in good condition. The price is very reasonable also. The proximity to the border is the primary reason we stay here

Reviewed on Jan 9, 2025

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More About Flying To Alamo from St. Louis

Route Information for Flights from St. Louis to Alamo

Origin Airport IATA Code
STL
Destination Airport IATA Code
HRL
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Alamo

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.