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O'Hare Intl

$141+ Cheap flights from Harlingen (HRL) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap flight deals from Harlingen to O'Hare Intl

Cheapest flights from Harlingen to O'Hare Intl
Explore the most affordable flight options available from Harlingen to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:18 pm
HRL
-
ORD
1 stop7h 41m
United Airlines
Sat 9/127:30 am
ORD
-
HRL
1 stop5h 54m
United Airlines
Deal found 7/18$281
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:28 pm
HRL
-
ORD
1 stop6h 02m
American Airlines
Tue 9/293:00 pm
ORD
-
HRL
1 stop7h 48m
American Airlines
Deal found 7/16$282
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm
HRL
-
ORD
1 stop7h 34m
Delta
Sun 11/156:00 am
ORD
-
HRL
1 stop7h 31m
Delta
Deal found 7/19$305
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:42 pm
HRL
-
ORD
1 stop5h 17m
American Airlines
Mon 10/266:00 am
ORD
-
HRL
1 stop8h 17m
American Airlines
Deal found 7/20$329
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:43 pm
HRL
-
ORD
1 stop5h 35m
American Airlines
Tue 8/114:57 pm
ORD
-
HRL
1 stop5h 57m
American Airlines
Deal found 7/19$334
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:00 pm
HRL
-
ORD
1 stop7h 34m
Delta
Tue 12/296:00 am
ORD
-
HRL
1 stop7h 31m
Delta
Deal found 7/20$370
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:16 pm
HRL
-
ORD
1 stop6h 59m
United Airlines
Wed 12/97:45 am
ORD
-
HRL
1 stop7h 49m
United Airlines
Deal found 7/20$371
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:10 am
HRL
-
ORD
1 stop5h 10m
United Airlines
Tue 7/282:15 pm
ORD
-
HRL
1 stop5h 34m
United Airlines
Deal found 7/18$373
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:00 pm
HRL
-
ORD
1 stop7h 34m
Delta
Thu 12/319:30 am
ORD
-
HRL
1 stop28h 01m
Delta
Deal found 7/20$374
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:00 pm
HRL
-
ORD
2 stops9h 50m
Delta
Tue 12/296:00 am
ORD
-
HRL
1 stop7h 31m
Delta
Deal found 7/20$375
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:00 pm
HRL
-
ORD
2 stops9h 50m
Delta
Thu 12/319:30 am
ORD
-
HRL
1 stop28h 01m
Delta
Deal found 7/20$379

Find flight deals from Harlingen to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(United Airlines)

One-way from

$141
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$438
Provider with most accurate pricing for Harlingen Valley Intl-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Chicago O'Hare Intl flights.
Search Deals
From Harlingen Valley Intl to Chicago O'Hare Intl
Search Deals
One-way flight from Harlingen Valley Intl to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from Harlingen to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 10/16

2:13 pm-7:38 pm

1 stop5h 25m

Chicago O'Hare Intl

Wed 10/21

6:30 am-1:23 pm

1 stop6h 53m

$305

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 8/5

7:20 am-12:29 pm

1 stop5h 09m

Chicago O'Hare Intl

Wed 8/19

5:30 am-1:24 pm

1 stop7h 54m

$310

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Thu 9/17

5:18 pm-12:59 am

1 stop7h 41m

Chicago O'Hare Intl

Tue 9/22

6:30 am-1:24 pm

1 stop6h 54m

$395

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sat 7/25

5:10 am-10:20 am

1 stop5h 10m

Chicago O'Hare Intl

Tue 7/28

5:30 am-1:30 pm

1 stop8h 00m

$429
Quickest round-trip

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sun 8/2

5:10 am-10:20 am

1 stop5h 10m

Chicago O'Hare Intl

Thu 8/6

6:29 am-1:30 pm

1 stop7h 01m

$443

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 8/7

3:17 pm-11:30 pm

1 stop8h 13m

Chicago O'Hare Intl

Mon 8/10

5:00 am-10:04 am

1 stop5h 04m

$503

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Thu 9/3

1:59 pm-12:59 am

1 stop11h 00m

Chicago O'Hare Intl

Tue 9/8

9:30 pm-1:24 pm

2 stops15h 54m

$534

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 7/24

5:10 am-10:20 am

1 stop5h 10m

Chicago O'Hare Intl

Mon 7/27

12:40 pm-7:49 pm

1 stop7h 09m

$629
Cheapest one-way

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 10/14

11:29 am-7:08 pm

1 stop7h 39m

$163
Quickest one-way

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sat 8/22

1:59 pm-8:05 pm

1 stop6h 06m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Harlingen to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to O'Hare Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harlingen to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Harlingen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Chicago O'Hare Intl Airport

How much does it cost to fly round-trip from Harlingen to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated July 21, 2026.
See what other customers who have flown with United Airlines and American Airlines from Harlingen to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,011 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,011 reviews
United Airlines
7.4
Good
10,011 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,832 reviews
United Airlines
7.4
Good
10,011 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Harlingen to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to Chicago O'Hare Intl?

    For a flight from Harlingen to Chicago O'Hare Intl, you will be flying from Valley Intl. Harlingen Valley Intl (HRL) is just 3.7 mi from the center of the city. Valley Intl is the only Harlingen airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 2 airlines have flights to Chicago O'Hare Intl from Harlingen Valley Intl on a regular basis.

  • How long is the flight from Harlingen to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Harlingen to Chicago O'Hare Intl Airport in 5h 09m. Fly via Delta or United Airlines to get the fastest option. The distance from Harlingen to Chicago O'Hare Intl Airport is about 1220 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Harlingen to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Harlingen to Chicago O'Hare Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $250 on this airline. An additional option worth looking into is American Airlines, starting at $288. United Airlines is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Harlingen to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Harlingen to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to O'Hare Intl.

  • Can I find deals for business class flights from Harlingen to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Harlingen to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Harlingen to O'Hare Intl

Discover the top 2 airlines that operate flights from Harlingen to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$250Average$418FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$438FlexibilityNo cancel feeOn-time71%

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