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$195+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(American Airlines)

One-way from

$210
(United)

Popular in

June

Cheapest in

April

Average price

$263
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. 20% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 5/75:44 amHRL - ORD
1 stop7h 38mAmerican Airlines
Wed 5/146:00 amORD - HRL
1 stop5h 28mAmerican Airlines
Deal found 2/19$217
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/265:15 amHRL - ORD
1 stop4h 54mUnited Airlines
Mon 3/319:15 amORD - HRL
1 stop7h 04mUnited Airlines
Deal found 2/18$219
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/267:10 amHRL - ORD
1 stop8h 10mSouthwest
Mon 3/311:50 pmORD - HRL
2 stops10h 15mSouthwest
Deal found 2/19$228
This Delta deal was found by Cheapflights users on 2/19. 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 10/83:00 pmHRL - ORD
1 stop6h 54mDelta
Tue 10/146:00 amORD - HRL
1 stop8h 26mDelta
Deal found 2/19$328
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:33 pmHRL - ORD
2 stops23h 43mMultiple Airlines
Mon 3/109:16 amORD - HRL
2 stops29h 10mMultiple Airlines
Deal found 2/19$611

Find flights from Harlingen to Illinois within your budget

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 February 20, 2025.

Fly from

Harlingen

Fly to

Illinois

Route

Depart

Return

Price

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 5/7

5:44 am-1:22 pm

1 stop7h 38m

Chicago O'Hare Intl

Wed 5/14

6:00 am-11:28 am

1 stop5h 28m

$217

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 3/26

5:15 am-10:09 am

1 stop4h 54m

Chicago O'Hare Intl

Mon 3/31

9:15 am-4:19 pm

1 stop7h 04m

$219

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 3/26

7:10 am-3:20 pm

1 stop8h 10m

Chicago O'Hare Intl

Mon 3/31

1:50 pm-12:05 am

2 stops10h 15m

$228

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Thu 3/6

12:33 pm-12:16 pm

2 stops23h 43m

Chicago O'Hare Intl

Mon 3/10

9:16 am-2:26 pm

2 stops29h 10m

$611

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 2/26

2:46 pm-9:58 pm

1 stop7h 12m

$195

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sat 3/1

6:00 am-3:20 pm

2 stops9h 20m

$200

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Mon 7/21

5:20 pm-11:12 pm

1 stop5h 52m

$210

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Wed 2/26

12:13 pm-8:32 pm

3 stops32h 19m

$334

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Sun 3/30

7:54 pm-8:21 am

1 stop12h 27m

$375

HarlingenChicago

HRL - ORD

HRLORD

Harlingen Valley Intl

Thu 3/6

12:33 pm-12:16 pm

2 stops23h 43m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Harlingen to Illinois

Get recent, data-driven insights about flights from Harlingen to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Illinois (average of $245). Flying from Harlingen, Texas to Illinois in March is currently the most expensive (average of $321). 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 February 20, 2025.

When flying from Harlingen, Texas to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Sun Country Air
7.0
Good
374 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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.

  • 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 $210 on United Airlines. Other airlines that offer cheap prices include American Airlines from $375 and Sun Country Air from $422 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, August is the cheapest month in which you can book a flight from Harlingen, Texas to Illinois (average of $245). Flying from Harlingen, Texas to Illinois in March is currently the most expensive (average of $321). 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

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Top 2 airlines flying from Harlingen to Illinois

Discover the top 2 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$434FlexibilityNo cancel feeOn-time69%
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