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$145+ Cheap flights from Harlingen, TX (HRL) to Chicago (CHI)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — CHI
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Harlingen to Chicago

Cheapest flights from Harlingen to Chicago
Explore the most affordable flight options available from Harlingen to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 4/245:18 pm
HRL
-
ORD
1 stop7h 27m
United Airlines
Tue 4/282:05 pm
ORD
-
HRL
1 stop5h 35m
United Airlines
Deal found 2/3$211
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 4/174:02 pm
HRL
-
ORD
1 stop5h 36m
Delta
Mon 4/206:25 am
ORD
-
HRL
1 stop8h 40m
Delta
Deal found 2/3$217
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/135:18 pm
HRL
-
ORD
1 stop5h 57m
United Airlines
Thu 4/165:48 am
ORD
-
HRL
1 stop5h 35m
United Airlines
Deal found 2/2$242
This American Airlines deal was found by Cheapflights users on 2/3. 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 2/286:46 pm
HRL
-
ORD
1 stop4h 50m
American Airlines
Tue 3/310:49 am
ORD
-
HRL
1 stop7h 27m
American Airlines
Deal found 2/3$291
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:55 am
HRL
-
ORD
1 stop6h 20m
Southwest
Thu 4/164:15 pm
ORD
-
HRL
2 stops6h 45m
Southwest
Deal found 2/2$315
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/275:22 pm
HRL
-
ORD
1 stop7h 04m
United Airlines
Sun 3/15:45 am
ORD
-
HRL
1 stop5h 39m
United Airlines
Deal found 2/4$324
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/147:00 am
HRL
-
ORD
1 stop5h 37m
United Airlines
Wed 2/254:00 pm
ORD
-
HRL
1 stop5h 59m
United Airlines
Deal found 2/4$330
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:55 am
HRL
-
ORD
1 stop6h 20m
Southwest
Mon 4/202:40 pm
ORD
-
HRL
2 stops8h 20m
Southwest
Deal found 2/3$339
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
HRL
-
ORD
2 stops8h 20m
Southwest
Tue 4/283:45 pm
ORD
-
HRL
1 stop5h 10m
Southwest
Deal found 2/3$340
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:50 am
HRL
-
ORD
1 stop7h 30m
Southwest
Sun 3/223:45 pm
ORD
-
HRL
2 stops8h 20m
Southwest
Deal found 2/2$350
This deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:22 pm
HRL
-
ORD
1 stop5h 42m
United Airlines
Tue 3/1012:45 pm
ORD
-
HRL
1 stop7h 11m
United Airlines
Deal found 2/3$351
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/179:20 am
HRL
-
ORD
1 stop5h 23m
United Airlines
Sat 2/215:45 am
ORD
-
HRL
1 stop5h 39m
United Airlines
Deal found 2/1$354

Find flight deals from Harlingen to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Chicago (CHI). 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(United Airlines)

One-way from

$145
(United Airlines)

Popular in

January

Cheapest in

May

Average price

$349
Provider with most accurate pricing for Harlingen Valley Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Chicago (CHI) flights.
Search Deals
From Harlingen Valley Intl to Chicago (CHI)
Search Deals
One-way flight from Harlingen Valley Intl to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Chicago 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 February 5, 2026.
Use the filters below to find and compare flights from Harlingen to Chicago that are best for you.

Fly from

Harlingen

Fly to

Chicago

Route

Depart

Return

Price

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 4/24

5:18 pm-12:45 am

1 stop7h 27m

Chicago O'Hare Intl

Tue 4/28

2:05 pm-7:40 pm

1 stop5h 35m

$211

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 4/17

4:02 pm-9:38 pm

1 stop5h 36m

Chicago O'Hare Intl

Mon 4/20

6:25 am-3:05 pm

1 stop8h 40m

$217

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Mon 4/13

5:18 pm-11:15 pm

1 stop5h 57m

Chicago O'Hare Intl

Thu 4/16

5:48 am-11:23 am

1 stop5h 35m

$242

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Mon 4/13

6:55 am-1:15 pm

1 stop6h 20m

Chicago O'Hare Intl

Thu 4/16

4:15 pm-11:00 pm

2 stops6h 45m

$315

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 2/27

5:22 pm-12:26 am

1 stop7h 04m

Chicago O'Hare Intl

Sun 3/1

5:45 am-11:24 am

1 stop5h 39m

$324

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sat 2/14

7:00 am-12:37 pm

1 stop5h 37m

Chicago O'Hare Intl

Wed 2/25

4:00 pm-9:59 pm

1 stop5h 59m

$330

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 4/17

6:55 am-1:15 pm

1 stop6h 20m

Chicago O'Hare Intl

Mon 4/20

2:40 pm-11:00 pm

2 stops8h 20m

$339

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Fri 4/24

6:00 am-2:20 pm

2 stops8h 20m

Chicago O'Hare Intl

Tue 4/28

3:45 pm-8:55 pm

1 stop5h 10m

$340

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Thu 3/19

6:50 am-2:20 pm

1 stop7h 30m

Chicago O'Hare Intl

Sun 3/22

3:45 pm-12:05 am

2 stops8h 20m

$350

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Tue 3/3

5:22 pm-11:04 pm

1 stop5h 42m

Chicago O'Hare Intl

Tue 3/10

12:45 pm-7:56 pm

1 stop7h 11m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 17 results
1
2

Compare providers for flights from Harlingen to Chicago

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 Chicago in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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, Texas-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Chicago 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, Texas-Chicago 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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

What is the cheapest month to book a flight from Harlingen, Texas to Chicago?

Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Chicago (average of $136). Flying from Harlingen, Texas to Chicago in February is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Harlingen to Chicago, such as Southwest and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,274 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,274 reviews
Southwest
8.0
Very good
4,274 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
9,236 reviews
Southwest
8.0
Very good
4,274 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Chicago. 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?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to Chicago. 3 airlines have flights from Valley Intl to Chicago on a regular basis. Booking flights from Harlingen Valley Intl to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • How long is the flight from Harlingen, Texas to Chicago?

    United Airlines, Delta, and Southwest can get you from Harlingen, Texas to Chicago in just under 5h 36m. Your travel time can differ by up to 1h 51m. Harlingen, Texas and Chicago are separated by a distance of 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, Texas to Chicago round-trip?

    Our cheapest airline available from Harlingen, Texas to Chicago is American Airlines. Our recent data shows that you can find tickets from as low as $236 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $252 and $268 round-trip. American Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Harlingen to Chicago that include hotel bookings?

    Yes. In addition to deals on Harlingen to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Chicago?

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

  • Can I find deals for business class flights from Harlingen to Chicago?

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

  • What is the cheapest month to book a flight from Harlingen, Texas to Chicago?

    Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Chicago (average of $136). Flying from Harlingen, Texas to Chicago in February is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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Alternative routes for Harlingen to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Harlingen to Chicago

Discover the top 3 airlines that operate flights from Harlingen to Chicago. 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$418FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$252Average$319FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$268Average$408FlexibilityNo cancel feeOn-time69%

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