Cheap flights from St. Louis to Harlingen (STL - HRL)

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How to find the cheapest flight from
St. Louis (STL) to Harlingen (HRL)

All the information you need to plan the best STL to HRL flight in 2021: compare St. Louis to Harlingen flight prices with the expected peak season, weather and rainfall in Harlingen.
What is the cheapest day to fly round-trip from St. Louis to Harlingen, Texas?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 76% when planning your travel around this day of the week.

What is the cheapest month to fly from St. Louis to Harlingen, Texas?

Flights from St. Louis to Harlingen, Texas lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to Harlingen, Texas in October, with the cheapest ticket starting at $169.

When is the cheapest time to fly from St. Louis to Harlingen, Texas (STL - HRL)?

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from St. Louis to Harlingen, Texas by exploring options for tickets in the morning.

Lambert-St Louis to Harlingen 2021 flight deals

Cheap flights to Harlingen from St. Louis found for this year
18 Dec - 3 Jan
$351pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
18 Dec - 3 Jan
$355pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
United Airlines
   
2 STOPS
STL
Lambert-St Louis
18 Dec - 3 Jan
$439pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

One-way flights to Valley Intl from St. Louis

The cheapest one-way flights from St. Louis to Harlingen
10:45 am - 5:31 am
American Airlines
1 Stop
18h 46m
STL - HRL
American Airlines
4:40 pm - 1:56 pm
American Airlines
2 Stops
21h 16m
STL - HRL
American Airlines
1:30 am - 9:35 am
Multiple Airlines
3 Stops
32h 05m
STL - HRL
Multiple Airlines
$607
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Harlingen</span> flights.

Flight FAQs

From St. Louis to Harlingen

Which airlines flying from Lambert-St Louis to Harlingen Valley Intl have flexible cancellations due to COVID-19?

United Airlines, American Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St. Louis to Harlingen, Texas for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Harlingen, Texas for under $300. The cheapest flight booked recently is on Multiple Airlines for just $208, but on average you can expect to pay $451.

What are the cheapest airlines flying from St. Louis to Harlingen, Texas round-trip?

American Airlines, at $269, was found to be the cheapest airline from St. Louis to Harlingen, Texas. An alternate airline flying to your destination would be United Airlines. American Airlines is 2% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from St. Louis to Harlingen, Texas?

When booking a flight from St. Louis to Harlingen, Texas, you may want to consider flying on American Airlines, Frontier or United Airlines as they are the most popular for this route.

What are the cheapest flights from St. Louis to Harlingen, Texas?

While on average a flight from St. Louis to Harlingen, Texas is generally $267, our data shows the cheapest flight currently is $154. When looking at the most popular route, (Lambert-St Louis - Harlingen Valley Intl), you can expect to pay $208 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Harlingen, TX

Do I need a COVID test to fly to Harlingen from St. Louis?

Information is based on travel restrictions for travel to Harlingen Valley Intl within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Harlingen Valley Intl.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Harlingen Valley Intl.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Harlingen Valley Intl.

Do I need a test to fly back to St. Louis from Harlingen?

Returning to Lambert-St Louis from Harlingen Valley Intl

COVID-19 testing requirements
Visitors from Harlingen Valley Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Harlingen Valley Intl are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Harlingen, TX

Alternative routes for St. Louis to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Harlingen

Things to know before you go - useful duration and weather info for your trip from St. Louis to Harlingen.
Average temperature for October in Harlingen
86.0 °F
Avg rainfall for October in Harlingen
4.2 ″

Airports servicing St. Louis

Airports servicing Harlingen

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