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Cheap flights from Chicago O'Hare Intl Airport to Harlingen from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Harlingen departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 am - 9:58 am
ORD
-
HRL
4h 58m
1 stop
American Airlines Logo
3:35 pm - 11:30 pm
HRL
-
ORD
7h 55m
1 stop
$206American Airlines
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
$281American Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
5:00 am - 9:58 am
ORD
-
HRL
4h 58m
1 stop
American Airlines Logo
5:51 am - 12:18 pm
HRL
-
ORD
6h 27m
1 stop
$291American Airlines
Tue, Sep 22 - Sat, Sep 26
United Airlines Logo
2:15 pm - 9:44 pm
ORD
-
HRL
7h 29m
1 stop
United Airlines Logo
5:16 pm - 10:36 pm
HRL
-
ORD
5h 20m
1 stop
$310United Airlines
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
12:05 pm - 8:12 pm
ORD
-
HRL
8h 07m
1 stop
American Airlines Logo
5:18 pm - 12:50 am
HRL
-
ORD
7h 32m
1 stop
$336American Airlines
Sat, Jul 4 - Sat, Jul 11
Delta Logo
6:00 am - 1:31 pm
ORD
-
HRL
7h 31m
1 stop
Delta Logo
2:00 pm - 9:34 pm
HRL
-
ORD
7h 34m
1 stop
$339Delta
Sun, Nov 22 - Fri, Nov 27
United Airlines Logo
8:50 am - 3:59 pm
ORD
-
HRL
7h 09m
1 stop
United Airlines Logo
5:05 am - 10:15 am
HRL
-
ORD
5h 10m
1 stop
$363United Airlines
Tue, Sep 8 - Thu, Sep 17
American Airlines Logo
5:18 am - 11:38 am
ORD
-
HRL
6h 20m
1 stop
American Airlines Logo
4:02 pm - 10:19 pm
HRL
-
ORD
6h 17m
1 stop
$370American Airlines
Tue, Nov 24 - Wed, Dec 2
United Airlines Logo
4:57 pm - 9:44 pm
ORD
-
HRL
4h 47m
1 stop
United Airlines Logo
5:10 am - 12:16 pm
HRL
-
ORD
7h 06m
1 stop
$371United Airlines
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
5:18 am - 11:38 am
ORD
-
HRL
6h 20m
1 stop
American Airlines Logo
4:02 pm - 10:19 pm
HRL
-
ORD
6h 17m
1 stop
$380American Airlines
Tue, Nov 24 - Wed, Dec 2

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United Airlines flights from Chicago O'Hare Intl Airport to Harlingen

Our best United Airlines deals on Chicago O'Hare Intl Airport to Harlingen flight tickets
United Airlines
Oct 27
ORD2:15 pmChicago O'Hare Intl
7h 29m
1 stop
HRL9:44 pmHarlingen Valley Intl
Oct 31
HRL5:16 pmHarlingen Valley Intl
5h 20m
1 stop
ORD10:36 pmChicago O'Hare Intl
$310
United Airlines
Sep 8
ORD8:50 amChicago O'Hare Intl
7h 09m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 17
HRL5:05 amHarlingen Valley Intl
5h 10m
1 stop
ORD10:15 amChicago O'Hare Intl
$363
United Airlines
Oct 27
ORD4:57 pmChicago O'Hare Intl
4h 47m
1 stop
HRL9:44 pmHarlingen Valley Intl
Oct 31
HRL5:10 amHarlingen Valley Intl
7h 06m
1 stop
ORD12:16 pmChicago O'Hare Intl
$371

American Airlines flights from Chicago O'Hare Intl Airport to Harlingen

Our best American Airlines deals on Chicago O'Hare Intl Airport to Harlingen flight tickets
American Airlines
Sep 22
ORD5:00 amChicago O'Hare Intl
4h 58m
1 stop
HRL9:58 amHarlingen Valley Intl
Sep 26
HRL3:35 pmHarlingen Valley Intl
7h 55m
1 stop
ORD11:30 pmChicago O'Hare Intl
$206
American Airlines
Sep 22
ORD7:09 amChicago O'Hare Intl
7h 56m
1 stop
HRL3:05 pmHarlingen Valley Intl
Sep 26
HRL3:35 pmHarlingen Valley Intl
5h 34m
1 stop
ORD9:09 pmChicago O'Hare Intl
$281
American Airlines
Sep 22
ORD5:00 amChicago O'Hare Intl
4h 58m
1 stop
HRL9:58 amHarlingen Valley Intl
Sep 26
HRL5:51 amHarlingen Valley Intl
6h 27m
1 stop
ORD12:18 pmChicago O'Hare Intl
$291

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 9/22

5:00 am-9:58 am

1 stop4h 58m

Harlingen Valley Intl

Sat 9/26

3:35 pm-11:30 pm

1 stop7h 55m

$206

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 9/22

7:09 am-3:05 pm

1 stop7h 56m

Harlingen Valley Intl

Sat 9/26

3:35 pm-9:09 pm

1 stop5h 34m

$281
Quickest round-trip

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 9/22

5:00 am-9:58 am

1 stop4h 58m

Harlingen Valley Intl

Sat 9/26

5:51 am-12:18 pm

1 stop6h 27m

$291

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 10/27

2:15 pm-9:44 pm

1 stop7h 29m

Harlingen Valley Intl

Sat 10/31

5:16 pm-10:36 pm

1 stop5h 20m

$310

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Sat 7/4

12:05 pm-8:12 pm

1 stop8h 07m

Harlingen Valley Intl

Sat 7/11

5:18 pm-12:50 am

1 stop7h 32m

$336

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Sun 11/22

6:00 am-1:31 pm

1 stop7h 31m

Harlingen Valley Intl

Fri 11/27

2:00 pm-9:34 pm

1 stop7h 34m

$339

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 9/8

8:50 am-3:59 pm

1 stop7h 09m

Harlingen Valley Intl

Thu 9/17

5:05 am-10:15 am

1 stop5h 10m

$363

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 11/24

5:18 am-11:38 am

1 stop6h 20m

Harlingen Valley Intl

Wed 12/2

4:02 pm-10:19 pm

1 stop6h 17m

$370

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 10/27

4:57 pm-9:44 pm

1 stop4h 47m

Harlingen Valley Intl

Sat 10/31

5:10 am-12:16 pm

1 stop7h 06m

$371

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 11/24

5:18 am-11:38 am

1 stop6h 20m

Harlingen Valley Intl

Wed 12/2

4:02 pm-10:19 pm

1 stop6h 17m

$380

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 Chicago O'Hare Intl Airport 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Harlingen?

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of September, then book flights to Harlingen from Chicago O'Hare Intl Airport during March instead. Flights to Harlingen in March, while not as cheap as those in September, still average around $292.

What is the cheapest Chicago O'Hare Intl to Harlingen Valley Intl flight route?

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

What cabin class options are available on Chicago O'Hare Intl Airport to Harlingen flights?

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

How have Chicago O'Hare Intl Airport to Harlingen flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Harlingen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Harlingen (ORD to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Harlingen

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Harlingen takes 7h 00m
There are no direct flights from Chicago O'Hare Intl Airport to Harlingen. There are no popular flight routes from Chicago O'Hare Intl Airport to Harlingen.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Harlingen

  • How far is Chicago O'Hare Intl to Harlingen Valley Intl by plane?

    Chicago O'Hare Intl and Harlingen Valley Intl are 1223.5 mi apart from one another. A reasonable flight in good conditions will take 7h 00m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Harlingen Valley Intl Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Harlingen?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Harlingen?

Best airlines flying from Chicago O'Hare Intl Airport to Harlingen

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $216Free CancellationRating
7.9
4,240 reviews
Search Southwest flights
American AirlinesPriceFrom $233Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
9,796 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Harlingen. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Chicago to Harlingen on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Harlingen from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago 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 Chicago and alert you when they change.

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