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Cheap flights from Illinois to Harlingen from $156

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:18 pm - 10:54 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
5h 36m1 stop Dallas/Fort Worth
American Airlines Logo
10:49 am - 4:28 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
5h 39m1 stop Dallas/Fort Worth
$285American Airlines
Sat, Jan 30 - Sat, Feb 6
American Airlines Logo
5:40 am - 10:08 amSTL  Lambert-St Louis-HRL Harlingen Valley Intl
4h 28m1 stop Dallas/Fort Worth
American Airlines Logo
6:42 pm - 11:42 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
5h 00m1 stop Dallas/Fort Worth
$305American Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
8:35 am - 1:23 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
4h 48m1 stop Houston George Bush Intcntl
United Airlines Logo
7:15 am - 2:10 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
6h 55m1 stop Houston George Bush Intcntl
$305United Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
6:15 am - 1:30 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
7h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
5:16 pm - 10:13 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
4h 57m1 stop Houston George Bush Intcntl
$307United Airlines
Fri, Jan 1 - Wed, Jan 6
American Airlines Logo
5:00 am - 9:59 amSTL  Lambert-St Louis-HRL Harlingen Valley Intl
4h 59m1 stop Dallas/Fort Worth
American Airlines Logo
10:49 am - 2:53 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
4h 04m1 stop Dallas/Fort Worth
$307American Airlines
Fri, Jan 1 - Wed, Jan 6
United Airlines Logo
10:50 am - 9:44 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
10h 54m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:05 am - 9:42 amHRL  Harlingen Valley Intl-STL Lambert-St Louis
4h 37m1 stop Houston George Bush Intcntl
$310United Airlines
Sat, Jan 30 - Sat, Feb 6
Delta Logo
6:20 am - 1:23 pmORD  Chicago O'Hare Intl-HRL Harlingen Valley Intl
7h 03m1 stop Minneapolis St Paul
Delta Logo
2:18 pm - 9:33 pmHRL  Harlingen Valley Intl-ORD Chicago O'Hare Intl
7h 15m1 stop Minneapolis St Paul
$325Delta
Fri, Nov 6 - Wed, Nov 11
Delta Logo
6:20 am - 1:23 pmORD  Chicago O'Hare Intl-HRL Harlingen Valley Intl
7h 03m1 stop Minneapolis St Paul
Delta Logo
2:18 pm - 11:54 pmHRL  Harlingen Valley Intl-ORD Chicago O'Hare Intl
9h 36m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
$330Delta
Fri, Nov 6 - Wed, Nov 11
Southwest Logo
10:35 am - 6:25 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
7h 50m2 stops Kansas City Austin Bergstrom
Southwest Logo
7:30 am - 3:35 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
8h 05m2 stops Austin Bergstrom Dallas Love Field
$332Southwest
Sat, Jan 30 - Sat, Feb 6
Southwest Logo
8:25 am - 3:50 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
7h 25m2 stops Austin Bergstrom Houston Hobby
Southwest Logo
7:40 am - 3:05 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
7h 25m2 stops Austin Bergstrom Dallas Love Field
$342Southwest
Fri, Jan 1 - Wed, Jan 6

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American Airlines flights from Illinois to Harlingen

Our best American Airlines deals on Illinois to Harlingen flight tickets
American Airlines
Jan 30
STL5:18 pmLambert-St Louis
5h 36m
1 stop
HRL10:54 pmHarlingen Valley Intl
Feb 6
HRL10:49 amHarlingen Valley Intl
5h 39m
1 stop
STL4:28 pmLambert-St Louis
$285
American Airlines
Oct 6
STL5:40 amLambert-St Louis
4h 28m
1 stop
HRL10:08 amHarlingen Valley Intl
Oct 13
HRL6:42 pmHarlingen Valley Intl
5h 00m
1 stop
STL11:42 pmLambert-St Louis
$305
American Airlines
Oct 24
STL5:40 amLambert-St Louis
4h 28m
1 stop
HRL10:08 amHarlingen Valley Intl
Oct 30
HRL6:42 pmHarlingen Valley Intl
5h 00m
1 stop
STL11:42 pmLambert-St Louis
$322

United Airlines flights from Illinois to Harlingen

Our best United Airlines deals on Illinois to Harlingen flight tickets
United Airlines
Jan 1
STL6:15 amLambert-St Louis
7h 15m
1 stop
HRL1:30 pmHarlingen Valley Intl
Jan 6
HRL5:16 pmHarlingen Valley Intl
4h 57m
1 stop
STL10:13 pmLambert-St Louis
$307
United Airlines
Oct 6
STL3:12 pmLambert-St Louis
6h 40m
1 stop
HRL9:52 pmHarlingen Valley Intl
Oct 13
HRL5:05 amHarlingen Valley Intl
10h 38m
2 stops
STL3:43 pmLambert-St Louis
$310
United Airlines
Oct 20
ORD8:45 amChicago O'Hare Intl
7h 14m
1 stop
HRL3:59 pmHarlingen Valley Intl
Oct 28
HRL5:25 pmHarlingen Valley Intl
6h 01m
1 stop
ORD11:26 pmChicago O'Hare Intl
$311

momondo Fare Finder

 
Use the filters below to find and compare flights from Illinois to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Sat 1/30

5:18 pm-10:54 pm

1 stop5h 36m

Harlingen Valley Intl

Sat 2/6

10:49 am-4:28 pm

1 stop5h 39m

$285

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Tue 10/6

5:40 am-10:08 am

1 stop4h 28m

Harlingen Valley Intl

Tue 10/13

6:42 pm-11:42 pm

1 stop5h 00m

$305

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Wed 10/7

8:35 am-1:23 pm

1 stop4h 48m

Harlingen Valley Intl

Wed 10/14

7:15 am-2:10 pm

1 stop6h 55m

$305

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Fri 1/1

6:15 am-1:30 pm

1 stop7h 15m

Harlingen Valley Intl

Wed 1/6

5:16 pm-10:13 pm

1 stop4h 57m

$307
Quickest round-trip

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Fri 1/1

5:00 am-9:59 am

1 stop4h 59m

Harlingen Valley Intl

Wed 1/6

10:49 am-2:53 pm

1 stop4h 04m

$307

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Sat 1/30

10:50 am-9:44 pm

2 stops10h 54m

Harlingen Valley Intl

Sat 2/6

5:05 am-9:42 am

1 stop4h 37m

$310

ChicagoHarlingen

ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl

ORDHRL

Chicago O'Hare Intl

Fri 11/6

6:20 am-1:23 pm

1 stop7h 03m

Harlingen Valley Intl

Wed 11/11

2:18 pm-9:33 pm

1 stop7h 15m

$325

ChicagoHarlingen

ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl

ORDHRL

Chicago O'Hare Intl

Fri 11/6

6:20 am-1:23 pm

1 stop7h 03m

Harlingen Valley Intl

Wed 11/11

2:18 pm-11:54 pm

2 stops9h 36m

$330

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Sat 1/30

10:35 am-6:25 pm

2 stops7h 50m

Harlingen Valley Intl

Sat 2/6

7:30 am-3:35 pm

2 stops8h 05m

$332

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Fri 1/1

8:25 am-3:50 pm

2 stops7h 25m

Harlingen Valley Intl

Wed 1/6

7:40 am-3:05 pm

2 stops7h 25m

$342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Illinois to Harlingen

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?

If you aren’t able to travel during the month of May, then book flights to Harlingen from Illinois during February instead. Flights to Harlingen in February, while not as cheap as those in May, still average around $318.

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 flights?

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

Can stopping save me money on Illinois to Harlingen flights?

You could potentially save up to 53% on your flight if you consider stops on a Illinois to Harlingen flight.

Cheap Illinois to Harlingen flight deals and tips

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

Best Price Found

$156

Fastest flight time

4h 40m

Direct flights

None
The best one-way flight to Harlingen from Illinois in the past 72 hours is $156. The best round-trip flight deal from Illinois to Harlingen found on momondo in the last 72 hours is $285.
The fastest flight from Illinois to Harlingen takes 4h 40m
There are no direct flights from Illinois to Harlingen. There are no popular flight routes from Illinois to Harlingen.
Search flight deals

Frequently asked questions about flying from Illinois to Harlingen

  • 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?

Best airlines flying from Illinois to Harlingen

Compare and see reviews for airlines that fly from Illinois to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $216Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
American AirlinesPriceFrom $233Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
10,194 reviews
Search United Airlines 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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