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Cheap flights from Illinois to Harlingen, Texas from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Harlingen, Texas departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Harlingen

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Harlingen that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Harlingen.

Cheap last minute flights

Planning a quick getaway from Illinois to Harlingen? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Harlingen, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Harlingen

Find recent round-trip train or bus tickets from Illinois to Harlingen.

All round-trip flight deals to Harlingen

The cheapest plane tickets to Harlingen found on KAYAK recently.
9:15 am - 4:00 pmSTL-HRL
6h 45m1 stop
12:11 pm - 4:33 pmHRL-STL
4h 22m1 stop
$199American Airlines
Find Deal
Tue, Feb 25 - Tue, Mar 4
12:00 pm - 10:30 pmSTL-HRL
10h 30m2 stops
12:11 pm - 4:33 pmHRL-STL
4h 22m1 stop
$204American Airlines
Find Deal
Tue, Feb 25 - Tue, Mar 4
5:10 am - 9:20 amSTL-HRL
4h 10m1 stop
6:00 am - 12:00 pmHRL-STL
6h 00m1 stop
$244Southwest
Find Deal
Mon, Feb 17 - Sat, Feb 22
10:55 am - 4:07 pmSTL-HRL
5h 12m1 stop
5:15 am - 9:51 amHRL-STL
4h 36m1 stop
$247United Airlines
Find Deal
Tue, Feb 11 - Thu, Feb 20
6:30 am - 4:07 pmSTL-HRL
9h 37m2 stops
5:15 am - 9:51 amHRL-STL
4h 36m1 stop
$252United Airlines
Find Deal
Tue, Feb 11 - Thu, Feb 20
8:25 am - 4:45 pmSTL-HRL
8h 20m2 stops
6:00 am - 12:00 pmHRL-STL
6h 00m1 stop
$298Southwest
Find Deal
Mon, Feb 17 - Sat, Feb 22
9:40 am - 2:26 pmORD-HRL
28h 46m3 stops
12:13 pm - 9:44 amHRL-ORD
21h 31m2 stops
Mon, Mar 10 - Wed, Mar 19
9:40 am - 10:53 amORD-HRL
25h 13m3 stops
12:13 pm - 9:44 amHRL-ORD
21h 31m2 stops
Sun, Mar 9 - Wed, Mar 19
6:15 am - 1:50 pmORD-HRL
7h 35m1 stop
1:05 pm - 9:44 pmHRL-ORD
8h 39m1 stop
$729Delta
Find Deal
Sat, Apr 5 - Sat, Apr 12
7:50 am - 1:50 pmORD-HRL
6h 00m1 stop
1:05 pm - 11:59 pmHRL-ORD
10h 54m2 stops
$854Delta
Find Deal
Sat, Apr 5 - Sat, Apr 12
3:41 pm - 10:55 pmSTL-HRL
7h 14m1 stop
$100American Airlines
Find Deal
Tue, Feb 11
12:00 pm - 10:55 pmSTL-HRL
10h 55m2 stops
$105American Airlines
Find Deal
Tue, Feb 11
10:15 am - 4:00 pmORD-HRL
5h 45m1 stop
$135American Airlines
Find Deal
Tue, Mar 11
10:15 am - 3:58 pmORD-HRL
5h 43m1 stop
$160American Airlines
Find Deal
Thu, Mar 6
6:15 am - 1:39 pmORD-HRL
7h 24m1 stop
$164Delta
Find Deal
Tue, Mar 11
6:15 am - 1:39 pmORD-HRL
7h 24m1 stop
$191Delta
Find Deal
Mon, Mar 10
6:30 am - 7:44 pmORD-HRL
13h 14m2 stops
$209United Airlines
Find Deal
Tue, Mar 11
1:50 pm - 11:05 pmORD-HRL
9h 15m2 stops
$214Southwest
Find Deal
Sat, Mar 8
1:30 pm - 10:35 pmORD-HRL
9h 05m1 stop
$220Southwest
Find Deal
Sun, Mar 9
8:50 am - 12:42 pmORD-HRL
3h 52mnonstop
$221United Airlines
Find Deal
Sat, Mar 8
7:00 am - 11:41 amSTL-HRL
4h 41m1 stop
5:44 am - 10:48 amHRL-STL
5h 04m1 stop
$339American Airlines
Find Deal
Sat, Jan 11 - Sun, Jan 26
5:45 am - 3:59 pmSTL-HRL
10h 14m2 stops
5:44 am - 10:48 amHRL-STL
5h 04m1 stop
$344American Airlines
Find Deal
Sat, Jan 11 - Sun, Jan 26
5:00 am - 11:41 amORD-HRL
6h 41m1 stop
4:29 pm - 11:59 pmHRL-ORD
7h 30m1 stop
$439American Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
11:50 am - 8:00 pmSTL-HRL
8h 10m2 stops
10:40 am - 6:15 pmHRL-STL
7h 35m2 stops
$469Southwest
Find Deal
Sat, Jan 11 - Sun, Jan 26
1:45 pm - 10:20 pmORD-HRL
8h 35m2 stops
8:15 am - 3:35 pmHRL-ORD
7h 20m1 stop
$474Southwest
Find Deal
Sun, Jan 12 - Tue, Jan 14
12:15 pm - 10:20 pmORD-HRL
10h 05m2 stops
12:30 pm - 9:30 pmHRL-ORD
9h 00m2 stops
$479Southwest
Find Deal
Sun, Jan 12 - Tue, Jan 14
10:00 am - 3:59 pmORD-HRL
5h 59m1 stop
12:11 pm - 7:40 pmHRL-ORD
7h 29m2 stops
$767American Airlines
Find Deal
Sat, Jan 11 - Tue, Jan 14
5:35 am - 11:00 amORD-HRL
29h 25m2 stops
6:30 pm - 10:55 pmHRL-ORD
28h 25m3 stops
Sat, Jan 11 - Tue, Jan 14
3:10 pm - 10:55 pmORD-HRL
7h 45m2 stops
12:11 pm - 7:40 pmHRL-ORD
7h 29m2 stops
$1,034American Airlines
Find Deal
Sat, Jan 11 - Tue, Jan 14
8:45 am - 4:07 pmORD-HRL
7h 22m2 stops
5:00 am - 12:03 pmHRL-ORD
7h 03m2 stops
$1,241United Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
8:50 am - 12:42 pmORD-HRL
3h 52mnonstop
2:01 pm - 5:10 pmHRL-ORD
3h 09mnonstop
$455United Airlines
Find Deal
Sat, Apr 5 - Sat, Apr 19
8:50 am - 12:42 pmORD-HRL
3h 52mnonstop
2:01 pm - 5:10 pmHRL-ORD
3h 09mnonstop
$686United Airlines
Find Deal
Sat, Apr 5 - Sat, Apr 12

Southwest flights from Illinois to Harlingen, Texas

Our best Southwest deals on Illinois to Harlingen, Texas flight tickets
Southwest
Feb 17
STL5:10 amLambert-St Louis
4h 10m
1 stop
HRL9:20 amHarlingen Valley Intl
Feb 22
HRL6:00 amHarlingen Valley Intl
6h 00m
1 stop
STL12:00 pmLambert-St Louis
Southwest
Feb 17
STL8:25 amLambert-St Louis
8h 20m
2 stops
HRL4:45 pmHarlingen Valley Intl
Feb 22
HRL6:00 amHarlingen Valley Intl
6h 00m
1 stop
STL12:00 pmLambert-St Louis
Southwest
Feb 9
ORD1:45 pmChicago O'Hare Intl
8h 00m
2 stops
HRL9:45 pmHarlingen Valley Intl
Feb 12
HRL8:15 amHarlingen Valley Intl
7h 20m
1 stop
ORD3:35 pmChicago O'Hare Intl

United Airlines flights from Illinois to Harlingen, Texas

Our best United Airlines deals on Illinois to Harlingen, Texas flight tickets
United Airlines
Feb 11
STL10:55 amLambert-St Louis
5h 12m
1 stop
HRL4:07 pmHarlingen Valley Intl
Feb 20
HRL5:15 amHarlingen Valley Intl
4h 36m
1 stop
STL9:51 amLambert-St Louis
United Airlines
Feb 11
STL6:30 amLambert-St Louis
9h 37m
2 stops
HRL4:07 pmHarlingen Valley Intl
Feb 20
HRL5:15 amHarlingen Valley Intl
4h 36m
1 stop
STL9:51 amLambert-St Louis
United Airlines
Feb 20
STL6:15 amLambert-St Louis
5h 02m
1 stop
HRL11:17 amHarlingen Valley Intl
Feb 27
HRL5:15 amHarlingen Valley Intl
4h 36m
1 stop
STL9:51 amLambert-St Louis

See travel insights to Harlingen from

How to get the cheapest flight ticket from Illinois 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 April is, on average, the cheapest month to fly to Harlingen, Texas from Illinois, with most prices found around $272. If you are unable to visit Harlingen, Texas during the month of April, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $276.

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 Wednesday when prices can be found for as low as $295. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Harlingen, Texas for around $482.

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 evening. Flights from Illinois to Harlingen, Texas during this time can be as low as $347. Flights in the afternoon are often more expensive with an average ticket price of $382.

What is the cheapest Illinois to Harlingen Valley Intl flight route?

Fly from Chicago O'Hare Intl to Harlingen Valley Intl for the best Illinois - Harlingen Valley Intl flight prices

What cabin class options are available on Illinois to Harlingen Valley Intl flights?

There are 1 cabin classes available to choose from on Illinois to Harlingen Valley Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Harlingen, Texas flight deals and tips

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

Best Price Found

$100

Fastest flight time

3h 52m

Direct flights

Sun

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Illinois in the past 72 hours is $100. The best round-trip flight deal from Illinois to Harlingen, Texas found on momondo in the last 72 hours is $199.
The fastest flight from Illinois to Harlingen, Texas takes 3h 52m
Direct flights go from Illinois to Harlingen, Texas on Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)

  • When did momondo last update prices for flights from Illinois to Harlingen Valley Intl Airport?

    Prices for flights from Illinois to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Illinois to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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 plane model from Illinois to Harlingen, Texas?


Best airlines flying from Illinois to Harlingen, Texas

Compare and see reviews for airlines that fly from Illinois to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $254Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
SouthwestPriceFrom $312Free CancellationRating
8.1
4,650 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Harlingen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Harlingen for you.

Can I find flights from Illinois to Harlingen with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Harlingen from Illinois with this policy.

How can momondo help me find flights from Illinois to Harlingen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Illinois.

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

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Illinois and alert you when they change.


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