$125 Cheap United flights from St. Louis to Harlingen (STL to HRL)

Find The Best Day To Fly from St. Louis to Harlingen

Amazing United STL to HRL Flight Deals

The cheapest flights to Valley Intl. found within the past 7 days were $310 round trip and $125 one way. Prices and availability subject to change. Additional terms may apply.

Sun, Jun 23 - Sat, Jun 29
STL
St. Louis
HRL
Harlingen
$310 Roundtrip, found 4 days ago
$310
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jun 23 from St. Louis to Harlingen, returning Sat, Jun 29, priced at $310 found 4 days ago
Wed, Jun 26 - Tue, Jul 2
STL
St. Louis
HRL
Harlingen
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jun 26 from St. Louis to Harlingen, returning Tue, Jul 2, priced at $311 found 4 days ago

HRL From STL Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Casa Picasso 3 BR Home with Private Pool

Casa Picasso 3 BR Home with Private Pool

4 out of 5
Save 100% on your flight
per person
May 31 - Jun 4
Roundtrip non-stop flight included
St. Louis (STL) to Brownsville (BRO)
Royale Beach and Tennis Club by VRI Americas

Royale Beach and Tennis Club by VRI Americas

3 out of 5
per person
May 31 - Jun 4
Roundtrip non-stop flight included
St. Louis (STL) to Brownsville (BRO)
Isla Grand Beach Resort

Isla Grand Beach Resort

3.5 out of 5
per person
May 31 - Jun 4
Roundtrip non-stop flight included
St. Louis (STL) to Brownsville (BRO)
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Frequently asked questions

Can I catch a flight from Lambert Field to HRL right now?
It’s prudent to learn about any quarantine requirements and travel advice reports in effect in your destination city. Make sure you go to our Covid-19 Travel Advisor for up-to-date info on booking a flight to Valley Intl. Airport.
What terminal is United Airlines at St. Louis Lambert International Airport?
Once you’ve been given your ticket for your flight from Lambert Field to HRL, you should be able to identify exactly which terminals United Airlines flies into and out of. If not, contact your airline or do some research online for those details.
Are there United Airlines non-stop flights from STL to HRL?
As you can’t travel nonstop from Lambert Field to HRL with United Airlines, make the most of your stopover. Order a couple of drinks at a cozy airport bar, or go for a wander around the terminal and enjoy some retail therapy.
How long is a United Airlines flight from STL to HRL?
Bad weather, tailwinds, headwinds … They’re just a few factors that can affect how long you spend in your seat. However, a flight from Lambert Field to Valley Intl. Airport with United Airlines takes about 3 hours and 50 minutes, so you’ll have landed and be in getaway mode in the blink of an eye.
How many direct and indirect flights does United Airlines fly from STL to HRL?
You’ll find there are about 3 United Airlines flights daily from STL to HRL.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Valley Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from St. Louis STL to Harlingen HRL 

To find the best deals on flights to St. Louis from Harlingen with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from St. Louis STL to Harlingen HRL with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $310 to $311, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from St. Louis STL to Harlingen HRL 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from St. Louis to Harlingen costs from $125. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Harlingen HRL from  St. Louis STL with United 

To find a cheap United flight from St. Louis STL to Harlingen HRL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from St. Louis STL to Harlingen HRL 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover. 

 

Find nonstop flights from St. Louis STL to Harlingen HRL with United 

If you’re keen to be on Harlingen soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from St. Louis STL to Harlingen HRL 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Harlingen HRL from  St. Louis STL with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Harlingen

Holiday Inn Express Harlingen, an IHG Hotel
Holiday Inn Express Harlingen, an IHG Hotel
2.5 out of 5
501 S P St, Harlingen, TX
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
9/10 Wonderful! (1,000 reviews)
"Ok"

Reviewed on May 3, 2024

Holiday Inn Express Harlingen, an IHG Hotel
Pineywood Hollow - Cozy Duplex - Furnished Patio
Pineywood Hollow - Cozy Duplex - Furnished Patio
Harlingen
Stay at this vacation home in Harlingen. Enjoy an in-room coffeemaker and air conditioning. Popular attractions Harlingen Soccer Complex and Rio Grande Valley ...
Pineywood Hollow - Cozy Duplex - Furnished Patio
Cozy Nest Duplex
Cozy Nest Duplex
Harlingen
Stay at this condo in Harlingen. Enjoy air conditioning. Popular attractions Harlingen Soccer Complex and Rio Grande Valley Museum are located nearby.
6/10 (2 reviews)
Great place
"The house seemed practically new as well as the furnishings. The location right by the airport was very convenient since one in our party planned to fly back before the rest of us. A very comfortable house that I will look for the next time I visit my family in the Valley."

Reviewed on Jul 25, 2023

Cozy Nest Duplex
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.