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Cheap flights from St. Louis to Harlingen, Texas from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Harlingen, Texas departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Harlingen

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Harlingen.
5:26 am - 9:51 amSTL-HRL
4h 25m1 stop
12:04 pm - 11:33 pmHRL-STL
11h 29m2 stops
$338American Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 25
6:15 am - 11:22 amSTL-HRL
5h 07m1 stop
5:15 am - 9:56 amHRL-STL
4h 41m1 stop
$372United Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 25
7:04 am - 11:30 amSTL-HRL
4h 26m1 stop
4:32 pm - 10:28 pmHRL-STL
5h 56m1 stop
$373American Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 25
5:45 am - 4:01 pmSTL-HRL
10h 16m2 stops
12:04 pm - 11:33 pmHRL-STL
11h 29m2 stops
$394American Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 25
7:35 am - 4:01 pmSTL-HRL
8h 26m2 stops
12:04 pm - 11:33 pmHRL-STL
11h 29m2 stops
$484American Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 25

American Airlines flights from St. Louis to Harlingen, Texas

Our best American Airlines deals on St. Louis to Harlingen, Texas flight tickets
American Airlines
Apr 11
STL5:26 amLambert-St Louis
4h 25m
1 stop
HRL9:51 amHarlingen Valley Intl
Apr 25
HRL12:04 pmHarlingen Valley Intl
11h 29m
2 stops
STL11:33 pmLambert-St Louis
American Airlines
Apr 11
STL7:04 amLambert-St Louis
4h 26m
1 stop
HRL11:30 amHarlingen Valley Intl
Apr 25
HRL4:32 pmHarlingen Valley Intl
5h 56m
1 stop
STL10:28 pmLambert-St Louis
American Airlines
Apr 11
STL5:45 amLambert-St Louis
10h 16m
2 stops
HRL4:01 pmHarlingen Valley Intl
Apr 25
HRL12:04 pmHarlingen Valley Intl
11h 29m
2 stops
STL11:33 pmLambert-St Louis

See travel insights to Harlingen from

How to get the cheapest flight ticket from St. Louis to Harlingen, Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Harlingen, Texas?

The month of May is, on average, the cheapest month to fly to Harlingen, Texas from St. Louis, with most prices found around $197. If you are unable to visit Harlingen, Texas during the month of May, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $280.

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Monday when prices can be found for as low as $290. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Harlingen, Texas for around $421.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the afternoon. Flights from St. Louis to Harlingen, Texas during this time can be as low as $377. Flights in the morning are often more expensive with an average ticket price of $397.

When to book flights from St. Louis to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Harlingen, Texas (STL to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Harlingen, Texas

Best Price Found

$145

Fastest flight time

4h 25m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from St. Louis in the past 72 hours is $145. The best round-trip flight deal from St. Louis to Harlingen, Texas found on momondo in the last 72 hours is $338.
The fastest flight from St. Louis to Harlingen, Texas takes 4h 25m
There are no direct flights from St. Louis to Harlingen, Texas. Popular non-direct route for this connection is Lambert-St Louis Airport - Harlingen Valley Intl Airport.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)

  • How far is Lambert-St Louis to Harlingen Valley Intl by plane?

    There are 962.6 mi between Lambert-St Louis and Harlingen Valley Intl. In terms of flight time, this usually takes a little over 4h 25m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Harlingen Valley Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Harlingen Valley Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Harlingen, Texas?


Best airlines flying from St. Louis to Harlingen, Texas

Compare and see reviews for airlines that fly from St. Louis to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $196Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $329Free CancellationRating
8.0
7,899 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Harlingen?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Harlingen. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Harlingen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Harlingen flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Harlingen?

Once you have performed a search for St. Louis to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Harlingen right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Harlingen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Harlingen and let you know when they change.


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