Cheap Flights from St. Louis (STL) to Harlingen (HRL)

Popular airlines from Lambert-St. Louis International Airport (STL) to Valley Intl. Airport (HRL)

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Find the cheapest month to fly from St. Louis (STL) to Harlingen (HRL)

April is typically the cheapest month to fly

From CA $270 - CA $493 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Harlingen (STL - HRL) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Valley Intl.
Distance
1540 km

St. Louis to Harlingen Flights

The easy way to book your flights from St. Louis to Harlingen 

With Expedia, it’s simple to find and book flights to Harlingen from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Valley Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Harlingen today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Valley Intl., HRL 

Sort your search results by price to find great deals on your flight from St. Louis to Harlingen—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Harlingen from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Harlingen  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Harlingen from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Harlingen with Expedia today.

Frequently asked questions

How much is a flight from STL to Valley Intl. Airport?
The lowest price advertised for a round-trip journey from Lambert Field to Valley Intl. Airport (HRL) is . But you better act soon. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to HRL?
Every airline has its own set of terms and conditions. If you decide to cancel your vacation, visit our Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Valley Intl. Airport that have flexible change policies?
Flights from Lambert-St. Louis Intl. Airport (STL) to HRL with flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the fare difference, with no added fees to worry about.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Valley Intl. Airport (HRL)?
The flight time from STL to Valley Intl. Airport (HRL) is roughly 3 hours and 49 minutes. Put on your earphones, listen to your favourite playlist and your time in the air will whiz by.
How far is the flight from STL to Valley Intl. Airport?
Around 1,550 kilometres separates St. Louis and Harlingen, so pack something to keep you busy for a couple of hours. That latest bestseller you haven't finished will do the trick.
Which airlines fly direct from Lambert Field to HRL?
Right now, no airlines offer flights directly from Lambert Field to Valley Intl. Airport (HRL). You'll have to book a flight with at least one stop. To score the best price and connections, lock in your fare well in advance.
Are Lambert-St. Louis Intl. Airport (STL) to Valley Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert Field to Valley Intl. Airport at the last minute could be your ticket to a cheap deal. However, it could end up costing a great deal more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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