HRL

$131 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 6/3. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
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

Sat, May 30 - Sat, Jun 6
Southwest Logo
5:20 pm - 9:35 pm
STL
-
HRL
4h 15m
1 stop
Southwest Logo
5:10 pm - 11:30 pm
HRL
-
STL
6h 20m
1 stop
$257Southwest
Sat, May 30 - Sat, Jun 6
Southwest Logo
5:20 pm - 9:35 pm
STL
-
HRL
4h 15m
1 stop
Southwest Logo
5:10 pm - 11:10 pm
HRL
-
STL
6h 00m
2 stops
$262Southwest
Tue, May 12 - Tue, May 19
American Airlines Logo
12:27 pm - 6:15 pm
STL
-
HRL
5h 48m
1 stop
American Airlines Logo
6:45 pm - 10:59 pm
HRL
-
STL
4h 14m
1 stop
$263American Airlines
Tue, May 12 - Tue, May 19
American Airlines Logo
5:51 am - 6:15 pm
STL
-
HRL
12h 24m
2 stops
American Airlines Logo
6:45 pm - 10:59 pm
HRL
-
STL
4h 14m
1 stop
$268American Airlines
Wed, May 13 - Fri, May 22
American Airlines Logo
5:20 am - 10:17 am
STL
-
HRL
4h 57m
1 stop
American Airlines Logo
4:57 pm - 11:59 pm
HRL
-
STL
7h 02m
1 stop
$277American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
5:00 am - 10:04 am
ORD
-
HRL
5h 04m
1 stop
American Airlines Logo
10:34 am - 6:35 pm
HRL
-
ORD
8h 01m
1 stop
$285American Airlines
Fri, Aug 21 - Mon, Aug 24
United Airlines Logo
7:30 am - 1:14 pm
ORD
-
HRL
5h 44m
1 stop
United Airlines Logo
5:15 am - 10:14 am
HRL
-
ORD
4h 59m
1 stop
$319United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
3:02 pm - 7:29 pm
STL
-
HRL
4h 27m
1 stop
United Airlines Logo
5:15 am - 10:09 am
HRL
-
STL
4h 54m
1 stop
$321United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
1:18 pm - 9:44 pm
STL
-
HRL
8h 26m
2 stops
United Airlines Logo
5:15 am - 10:09 am
HRL
-
STL
4h 54m
1 stop
$326United Airlines
Sat, May 30 - Sat, Jun 6
Southwest Logo
3:40 pm - 9:35 pm
STL
-
HRL
5h 55m
2 stops
Southwest Logo
5:10 pm - 11:10 pm
HRL
-
STL
6h 00m
2 stops
$338Southwest
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$131
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 15% 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)