Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Harlingen from $145

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 9/6. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Southwest Logo
4:20 pm - 9:30 pmORD-HRL
5h 10m1 stop
Southwest Logo
7:00 am - 4:25 pmHRL-ORD
9h 25m1 stop
$242Southwest
Find Deal
Fri, Sep 26 - Sun, Sep 28
American Airlines Logo
4:18 pm - 10:57 pmORD-HRL
6h 39m1 stop
American Airlines Logo
6:35 pm - 11:59 pmHRL-ORD
5h 24m1 stop
$264American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
Southwest Logo
4:20 pm - 9:30 pmORD-HRL
5h 10m1 stop
Southwest Logo
6:00 am - 4:25 pmHRL-ORD
10h 25m2 stops
$323Southwest
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
2:20 pm - 7:33 pmORD-HRL
5h 13m1 stop
United Airlines Logo
5:00 am - 11:08 amHRL-ORD
6h 08m1 stop
$364United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Sun Country Air Logo
11:45 am - 10:53 amORD-HRL
23h 08m1 stop
Sun Country Air Logo
11:49 am - 6:50 pmHRL-ORD
7h 01m1 stop
$382Sun Country Air
Find Deal
Wed, Dec 31 - Sun, Jan 4
United Airlines Logo
4:50 pm - 11:18 pmORD-HRL
6h 28m1 stop
United Airlines Logo
5:00 am - 10:10 amHRL-ORD
5h 10m1 stop
$407United Airlines
Find Deal
Tue, Sep 30 - Sun, Oct 5
American Airlines Logo
4:10 pm - 12:02 amORD-HRL
7h 52m1 stop
American Airlines Logo
5:23 am - 10:59 amHRL-ORD
5h 36m1 stop
$429American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
6:45 am - 2:19 pmORD-HRL
7h 34m1 stop
American Airlines Logo
6:20 pm - 11:13 pmHRL-ORD
4h 53m1 stop
$458American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
8:45 am - 4:02 pmORD-HRL
7h 17m1 stop
United Airlines Logo
5:00 am - 4:52 pmHRL-ORD
11h 52m2 stops
$472United Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
United Airlines Logo
8:57 am - 7:33 pmORD-HRL
10h 36m2 stops
United Airlines Logo
5:00 am - 11:08 amHRL-ORD
6h 08m1 stop
$478United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7

Southwest flights from Chicago O'Hare Intl Airport to Harlingen, Texas

Our best Southwest deals on Chicago O'Hare Intl Airport to Harlingen, Texas flight tickets
Southwest
Sep 26
ORD4:20 pmChicago O'Hare Intl
5h 10m
1 stop
HRL9:30 pmHarlingen Valley Intl
Sep 28
HRL7:00 amHarlingen Valley Intl
9h 25m
1 stop
ORD4:25 pmChicago O'Hare Intl
$242
Find similar
Southwest
Sep 26
ORD4:20 pmChicago O'Hare Intl
5h 10m
1 stop
HRL9:30 pmHarlingen Valley Intl
Sep 28
HRL6:00 amHarlingen Valley Intl
10h 25m
2 stops
ORD4:25 pmChicago O'Hare Intl
$323
Find similar
Southwest
Sep 26
ORD1:30 pmChicago O'Hare Intl
8h 00m
2 stops
HRL9:30 pmHarlingen Valley Intl
Sep 28
HRL6:00 amHarlingen Valley Intl
9h 20m
2 stops
ORD3:20 pmChicago O'Hare Intl
$493
Find similar

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Harlingen, Texas flight tickets
American Airlines
Sep 6
ORD4:18 pmChicago O'Hare Intl
6h 39m
1 stop
HRL10:57 pmHarlingen Valley Intl
Sep 10
HRL6:35 pmHarlingen Valley Intl
5h 24m
1 stop
ORD11:59 pmChicago O'Hare Intl
$264
Find similar
American Airlines
Oct 9
ORD4:10 pmChicago O'Hare Intl
7h 52m
1 stop
HRL12:02 amHarlingen Valley Intl
Oct 12
HRL5:23 amHarlingen Valley Intl
5h 36m
1 stop
ORD10:59 amChicago O'Hare Intl
$429
Find similar
American Airlines
Oct 9
ORD6:45 amChicago O'Hare Intl
7h 34m
1 stop
HRL2:19 pmHarlingen Valley Intl
Oct 12
HRL6:20 pmHarlingen Valley Intl
4h 53m
1 stop
ORD11:13 pmChicago O'Hare Intl
$458
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Harlingen, Texas 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 August 25, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Fri 9/26

4:20 pm-9:30 pm

1 stop5h 10m

Harlingen Valley Intl

Sun 9/28

7:00 am-4:25 pm

1 stop9h 25m

$242

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Sat 9/6

4:18 pm-10:57 pm

1 stop6h 39m

Harlingen Valley Intl

Wed 9/10

6:35 pm-11:59 pm

1 stop5h 24m

$264

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Fri 9/26

4:20 pm-9:30 pm

1 stop5h 10m

Harlingen Valley Intl

Sun 9/28

6:00 am-4:25 pm

2 stops10h 25m

$323

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Thu 9/4

2:20 pm-7:33 pm

1 stop5h 13m

Harlingen Valley Intl

Sun 9/7

5:00 am-11:08 am

1 stop6h 08m

$364

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Wed 12/31

11:45 am-10:53 am

1 stop23h 08m

Harlingen Valley Intl

Sun 1/4

11:49 am-6:50 pm

1 stop7h 01m

$382

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Tue 9/30

4:50 pm-11:18 pm

1 stop6h 28m

Harlingen Valley Intl

Sun 10/5

5:00 am-10:10 am

1 stop5h 10m

$407

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Thu 10/9

4:10 pm-12:02 am

1 stop7h 52m

Harlingen Valley Intl

Sun 10/12

5:23 am-10:59 am

1 stop5h 36m

$429

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Thu 10/9

6:45 am-2:19 pm

1 stop7h 34m

Harlingen Valley Intl

Sun 10/12

6:20 pm-11:13 pm

1 stop4h 53m

$458

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Sat 9/6

8:45 am-4:02 pm

1 stop7h 17m

Harlingen Valley Intl

Wed 9/10

5:00 am-4:52 pm

2 stops11h 52m

$472

ChicagoHarlingen

ORD - HRL

ORDHRL

Chicago O'Hare Intl

Thu 9/4

8:57 am-7:33 pm

2 stops10h 36m

Harlingen Valley Intl

Sun 9/7

5:00 am-11:08 am

1 stop6h 08m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Harlingen from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 January is, on average, the cheapest month to fly to Harlingen, Texas from Chicago O'Hare Intl Airport, with most prices found around $295. If you are unable to visit Harlingen, Texas during the month of January, then departing from Chicago O'Hare Intl Airport during the month June is also very affordable. Most momondo users find prices during this month for around $307.

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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Harlingen, Texas during this time can be as low as $347. Flights in the morning are often more expensive with an average ticket price of $433.

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 to Harlingen Valley Intl flights?

There are 1 cabin classes available to choose from on Chicago O'Hare Intl 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.

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Harlingen, Texas 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, Texas (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, Texas

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Harlingen, Texas. There are no popular flight routes from Chicago O'Hare Intl Airport to Harlingen, Texas.
Search flight deals

  • 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 5h 10m.

  • 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, Texas?

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $208Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
American AirlinesPriceFrom $267Free CancellationRating
7.2
10,000 reviews
Search American 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.

An easier way to manage your Harlingen, Texas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/30
Sat 9/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States