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?

Wednesday flights are generally found to be more expensive for flights from St Louis to Harlingen. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Harlingen.

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

March is one of the best times of the year to fly to Harlingen from St Louis. Prices for March average $286 per person but you can even find prices for as low as $128. The most expensive prices can be found in the month of June. Opting for a March flight can save you 62% on your journey compared to booking in March

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

When flying from St Louis to Harlingen, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 41% versus a flight at noon.

Cheap flights from St Louis to Harlingen in May, June 2021

The best prices found for STL to HRL flights for May, June
4 Jun - 10 Jun
$257pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
10 Jun - 21 Jun
$421pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
United Airlines
   
2 STOPS
STL
Lambert-St Louis
4 Jun - 10 Jun
$431pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis

St Louis to Harlingen 2021 flight deals

Cheap flights to Harlingen from St Louis found for this year
4 Jun - 10 Jun
$257pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
15 Aug - 21 Aug
$312pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
15 Aug - 21 Aug
$412pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
HRL
Harlingen Valley Intl
HRL
Harlingen Valley Intl
United Airlines
   
2 STOPS
STL
Lambert-St Louis

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

Are flight prices decreasing from St Louis to Harlingen due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Harlingen for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 for under $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Harlingen for under $300. The cheapest flight booked recently is on American Airlines for just $257, but on average you can expect to pay $591.

Are there nonstop flights from St Louis to Harlingen for under $300 on Cheapflights?

There are no nonstop flights from St Louis to Harlingen, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in St Louis or Harlingen?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in St Louis is typically greater than that of Harlingen. We can gather that this will continue over the next 18 days.

Is St Louis weather warmer or cooler than Harlingen?

Our data indicates that the weather will be 95 °F on average in the month of August. The temperature in Harlingen is typically hotter than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from St Louis to Harlingen?

United Airlines and American Airlines can get you from St Louis to Harlingen in just under 5h 02m. Your travel time can differ by up to 7h 03m. This flight may include one or multiple stops.

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

According to our current data, American Airlines ($257), and United Airlines ($412) offers the cheapest pricing from St Louis to Harlingen. These flights start at 7% lower than the current average price 3 months from now.

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 May in Harlingen
89.6 °F
Avg rainfall for May in Harlingen
1.9 ″

Airports servicing St. Louis

Airports servicing Harlingen

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