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

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

All the information you need to plan the best HRL to STL flight in 2022: compare Harlingen to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
When is the cheapest time to fly from Harlingen, Texas to St. Louis (HRL - STL)?

A simple way to save on the total cost of your ticket is to fly from Harlingen, Texas to St. Louis at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly round-trip from Harlingen, Texas to St. Louis?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 153% when planning your travel around this day of the week.

Related info for your journey

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

COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

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

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

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

COVID-19 testing requirements
Visitors from Harlingen Valley Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

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

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

Returning to Harlingen Valley Intl from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Harlingen Valley Intl.

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

Hide COVID Travel Restrictions for St. Louis, MO

Alternative routes for Harlingen to St. Louis

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

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Harlingen to St. Louis.
Average temperature for June in St. Louis
86.0 °F
Avg rainfall for June in St. Louis
4.1 ″

Airports servicing Harlingen

Airports servicing St. Louis

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