HRL

$150 Find Cheap Flights from Illinois to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Harlingen departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights from Illinois to Harlingen

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Harlingen

Thu, Oct 9 - Thu, Oct 16
United Airlines Logo
8:25 am - 1:19 pmSTL-HRL
4h 54m1 stop
United Airlines Logo
2:05 pm - 6:57 pmHRL-STL
4h 52m1 stop
$219United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Southwest Logo
5:30 am - 1:45 pmSTL-HRL
8h 15m1 stop
Southwest Logo
7:30 am - 2:10 pmHRL-STL
6h 40m1 stop
$243Southwest
Find Deal
Thu, Oct 9 - Thu, Oct 16
United Airlines Logo
12:25 pm - 11:18 pmSTL-HRL
10h 53m2 stops
United Airlines Logo
2:05 pm - 6:57 pmHRL-STL
4h 52m1 stop
$247United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Southwest Logo
5:30 am - 1:45 pmSTL-HRL
8h 15m1 stop
Southwest Logo
11:45 am - 7:05 pmHRL-STL
7h 20m2 stops
$249Southwest
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Sat, Nov 8 - Tue, Nov 11
American Airlines Logo
11:46 am - 6:10 pmORD-HRL
6h 24m1 stop
American Airlines Logo
6:40 pm - 11:37 pmHRL-ORD
4h 57m1 stop
$251American Airlines
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Fri, Oct 3 - Mon, Oct 6
Southwest Logo
3:25 pm - 10:35 pmSTL-HRL
7h 10m1 stop
Southwest Logo
10:45 am - 2:55 pmHRL-STL
4h 10m1 stop
$274Southwest
Find Deal
Fri, Oct 3 - Mon, Oct 6
Southwest Logo
5:30 am - 1:45 pmSTL-HRL
8h 15m1 stop
Southwest Logo
10:45 am - 2:55 pmHRL-STL
4h 10m1 stop
$279Southwest
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Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
6:48 pm - 12:01 amORD-HRL
5h 13m1 stop
American Airlines Logo
5:50 am - 11:03 amHRL-ORD
5h 13m1 stop
$293American Airlines
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Wed, Oct 1 - Sun, Oct 5
Sun Country Air Logo
2:00 pm - 10:48 amORD-HRL
20h 48m1 stop
Sun Country Air Logo
11:47 am - 10:39 amHRL-ORD
22h 52m1 stop
$295Sun Country Air
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Wed, Dec 31 - Sun, Jan 4
Sun Country Air Logo
11:45 am - 10:53 amORD-HRL
23h 08m1 stop
Sun Country Air Logo
11:49 am - 6:50 pmHRL-ORD
7h 01m1 stop
$372Sun Country Air
Find Deal

Everything you should know

Cheapest round-trip
$219
Typical prices: $393-408
United Airlines
Thu 10/9Thu 10/16
STL - HRL • 1 stop
Cheapest one-way
$150
Typical prices: $274-289
Delta
Sun 10/12
ORD - HRL • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Harlingen!
Useful Info

Good to know

Low seasonJuly
Cheapest flight$150
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Airport to Harlingen

FAQs for booking flights from Illinois to Harlingen

  • How does KAYAK find such low prices on flights from Illinois to Harlingen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Harlingen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Harlingen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Harlingen

Information on the airport you'll fly into in Harlingen

Harlingen (HRL)

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