HRL

$155 Find Cheap Flights from Illinois to Harlingen - Compare and Save

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 7/21. 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, 0 bags

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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

Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
7:09 am - 3:05 pm
ORD
-
HRL
7h 56m
1 stop
American Airlines Logo
3:35 pm - 9:09 pm
HRL
-
ORD
5h 34m
1 stop
$206American Airlines
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
6:30 am - 1:24 pm
ORD
-
HRL
6h 54m
1 stop
United Airlines Logo
5:18 pm - 12:59 am
HRL
-
ORD
7h 41m
1 stop
$217United Airlines
Wed, Jul 15 - Tue, Jul 21
Southwest Logo
6:00 pm - 11:05 pm
STL
-
HRL
5h 05m
1 stop
Southwest Logo
5:00 pm - 9:10 pm
HRL
-
STL
4h 10m
1 stop
$269Southwest
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
3:00 pm - 10:47 pm
ORD
-
HRL
7h 47m
1 stop
American Airlines Logo
10:45 am - 6:25 pm
HRL
-
ORD
7h 40m
1 stop
$269American Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
3:00 pm - 10:47 pm
ORD
-
HRL
7h 47m
1 stop
American Airlines Logo
10:45 am - 6:25 pm
HRL
-
ORD
7h 40m
1 stop
$281American Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
3:00 pm - 10:47 pm
ORD
-
HRL
7h 47m
1 stop
American Airlines Logo
10:45 am - 6:25 pm
HRL
-
ORD
7h 40m
1 stop
$289American Airlines
Fri, Sep 18 - Mon, Sep 21
American Airlines Logo
5:00 am - 9:58 am
ORD
-
HRL
4h 58m
1 stop
American Airlines Logo
5:28 pm - 12:14 am
HRL
-
ORD
6h 46m
1 stop
$309American Airlines
Wed, Jul 15 - Tue, Jul 21
Southwest Logo
4:00 pm - 11:05 pm
STL
-
HRL
7h 05m
1 stop
Southwest Logo
2:10 pm - 9:10 pm
HRL
-
STL
7h 00m
2 stops
$333Southwest
Tue, Jul 28 - Tue, Aug 4
American Airlines Logo
5:00 am - 10:12 am
ORD
-
HRL
5h 12m
1 stop
American Airlines Logo
4:58 pm - 12:43 am
HRL
-
ORD
7h 45m
1 stop
$340American Airlines
Tue, Jun 30 - Sat, Jul 4
Southwest Logo
8:30 am - 1:30 pm
STL
-
HRL
5h 00m
1 stop
Southwest Logo
11:15 am - 6:00 pm
HRL
-
STL
6h 45m
1 stop
$360Southwest
Useful Info

Good to know

Low seasonMay
Cheapest flight$155
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly with an average 14% increase in price.
Flight from St. Louis 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)