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$140+ Cheap flights from Harlingen, TX (HRL) to Illinois

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
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Cheap flight deals from Harlingen to Illinois

Keep the following information in mind while searching for Harlingen to Illinois flight deals. Data was last updated noviembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$140
(American Airlines)

Popular in

June

Cheapest in

May

Average price

$357
Provider with most accurate pricing for Harlingen Valley Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Chicago (CHI) flights.
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From Harlingen Valley Intl to Illinois
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One-way flight from Harlingen Valley Intl to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Harlingen to Illinois

Cheapest flights from Harlingen to Illinois
Explore the most affordable flight options available from Harlingen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 5, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:10 pmHRL - ORD
1 stop5h 25mAmerican Airlines
mié. 12/105:18 amORD - HRL
1 stop6h 22mAmerican Airlines
Deal found 11/4$251
This Sun Country Air deal was found by Cheapflights users on 11/2. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:37 amHRL - ORD
1 stop22h 13mSun Country Air
mié. 12/3111:45 amORD - HRL
1 stop23h 08mSun Country Air
Deal found 11/2$265
This Delta deal was found by Cheapflights users on 11/5. 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.
vie. 12/53:41 pmHRL - ORD
1 stop5h 59mDelta
vie. 12/126:00 amORD - HRL
1 stop8h 46mDelta
Deal found 11/5$269
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2911:13 amHRL - ORD
1 stop12h 41mMultiple Airlines
vie. 1/212:26 pmORD - HRL
1 stop21h 36mMultiple Airlines
Deal found 11/4$280
This United Airlines deal was found by Cheapflights users on 11/4. 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.
sáb. 11/225:00 pmHRL - ORD
1 stop6h 15mUnited Airlines
sáb. 11/296:00 amORD - HRL
1 stop4h 59mUnited Airlines
Deal found 11/4$303
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/194:02 pmHRL - ORD
1 stop6h 18mAmerican Airlines
dom. 11/237:29 amORD - HRL
1 stop8h 07mAmerican Airlines
Deal found 11/4$324
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/203:39 pmHRL - ORD
1 stop5h 57mDelta
dom. 11/236:00 amORD - HRL
1 stop8h 43mDelta
Deal found 11/4$334
This American Airlines deal was found by Cheapflights users on 11/3. 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.
mar. 11/184:02 pmHRL - ORD
1 stop5h 19mAmerican Airlines
sáb. 11/221:23 pmORD - HRL
1 stop6h 07mAmerican Airlines
Deal found 11/3$344
This Sun Country Air deal was found by Cheapflights users on 11/4. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2911:13 amHRL - ORD
1 stop7h 25mSun Country Air
vie. 1/211:51 amORD - HRL
1 stop22h 11mSun Country Air
Deal found 11/4$345
This Sun Country Air deal was found by Cheapflights users on 11/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/175:00 pmHRL - ORD
1 stop17h 44mSun Country Air
sáb. 12/205:50 pmORD - HRL
1 stop16h 51mSun Country Air
Deal found 11/3$355
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:37 amHRL - ORD
1 stop22h 13mMultiple Airlines
mié. 12/3112:39 pmORD - HRL
2 stops46h 14mMultiple Airlines
Deal found 11/2$363
This American Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 11/135:40 amHRL - ORD
1 stop6h 07mAmerican Airlines
lun. 11/175:10 pmORD - HRL
1 stop6h 04mAmerican Airlines
Deal found 11/3$374

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Illinois 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 noviembre 5, 2025.
Use the filters below to find and compare flights from Harlingen to Illinois that are best for you.

Fly from

Harlingen

Fly to

Illinois

Route

Depart

Return

Price

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

mié. 12/3

6:10 pm-11:35 pm

1 stop5h 25m

Chicago O'Hare Intl

mié. 12/10

5:18 am-11:40 am

1 stop6h 22m

$251

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

dom. 12/21

11:37 am-9:50 am

1 stop22h 13m

Chicago O'Hare Intl

mié. 12/31

11:45 am-10:53 am

1 stop23h 08m

$265

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

vie. 12/5

3:41 pm-9:40 pm

1 stop5h 59m

Chicago O'Hare Intl

vie. 12/12

6:00 am-2:46 pm

1 stop8h 46m

$269

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

mié. 12/10

5:00 pm-10:56 pm

1 stop5h 56m

Chicago O'Hare Intl

mié. 12/17

2:21 pm-9:54 pm

1 stop7h 33m

$269

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

jue. 1/29

6:02 am-10:54 am

1 stop4h 52m

Chicago O'Hare Intl

jue. 2/5

5:05 am-10:36 am

1 stop5h 31m

$269

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

lun. 12/29

11:13 am-11:54 pm

1 stop12h 41m

Chicago O'Hare Intl

vie. 1/2

12:26 pm-10:02 am

1 stop21h 36m

$280

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

sáb. 11/22

5:00 pm-11:15 pm

1 stop6h 15m

Chicago O'Hare Intl

sáb. 11/29

6:00 am-10:59 am

1 stop4h 59m

$303

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

vie. 4/24

4:14 pm-11:50 pm

1 stop7h 36m

Chicago O'Hare Intl

lun. 4/27

6:00 am-11:32 am

1 stop5h 32m

$324

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

mié. 11/19

4:02 pm-10:20 pm

1 stop6h 18m

Chicago O'Hare Intl

dom. 11/23

7:29 am-3:36 pm

1 stop8h 07m

$324

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

jue. 11/20

3:39 pm-9:36 pm

1 stop5h 57m

Chicago O'Hare Intl

dom. 11/23

6:00 am-2:43 pm

1 stop8h 43m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 19 results
1
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Best time to book a flight from Harlingen to Illinois

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

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

Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Illinois (average of $130). Flying from Harlingen, Texas to Illinois 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.

What is the cheapest time of day to fly from HRL to IL?

Find hourly flight availability from Harlingen to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 5, 2025.

When flying from Harlingen, Texas to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight in the afternoon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated noviembre 5, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Harlingen to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
9,002 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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.
American Airlines
7.2
Good
11,042 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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 Illinois. 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 Illinois?

    Most people fly from Harlingen Valley Intl (HRL) if they book a flight from Harlingen to Illinois. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

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

    There are many flights that can get you from Harlingen, Texas to Illinois in 5h 25m. Fly via American Airlines, Sun Country Air, or Delta to get the fastest option. The distance between Harlingen, Texas and Illinois is about 1220 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Harlingen, Texas to Illinois one-way?

    One-way options have recently been found by users for as low as $140 on American Airlines. Other airlines that offer cheap prices include United Airlines from $180 and Southwest from $210 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Illinois 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 Illinois?

    Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to Illinois (average of $130). Flying from Harlingen, Texas to Illinois 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

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Alternative routes for Harlingen to Illinois

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 Illinois

Discover the top 3 airlines that operate flights from Harlingen to Illinois. 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$217Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$252Average$319FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$288Average$397FlexibilityNo cancel feeOn-time69%

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