$109+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Harlingen to O'Hare Intl
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Best
Last-minute
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Cheapest flights from Harlingen to O'Hare IntlExplore 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 April 24, 2026.
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 April 24, 2026.
This Southwest deal was found by Cheapflights users on 4/22. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Wed 5/2711:55 am
ORD
- HRL
1 stop5h 25m
Southwest
Deal found 4/22![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 4/21. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Tue 5/263:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/21![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/21. 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 10/205:18 pm
HRL
- ORD
1 stop6h 52m
United Airlines
Sat 10/244:57 pm
ORD
- HRL
1 stop4h 55m
United Airlines
Deal found 4/21![United Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 10/225:05 am
HRL
- ORD
1 stop5h 02m
United Airlines
Tue 10/274:57 pm
ORD
- HRL
1 stop4h 47m
United Airlines
Deal found 4/21![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/22. 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 6/16:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Wed 6/311:55 am
ORD
- HRL
2 stops10h 05m
Southwest
Deal found 4/22![Southwest logo]()
$271
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/56:45 pm
HRL
- ORD
1 stop5h 03m
American Airlines
Sat 5/94:40 pm
ORD
- HRL
1 stop6h 11m
American Airlines
Deal found 4/20![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/196:45 pm
HRL
- ORD
1 stop5h 03m
American Airlines
Tue 5/264:44 pm
ORD
- HRL
1 stop7h 30m
American Airlines
Deal found 4/21![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/235:20 pm
HRL
- ORD
1 stop7h 25m
United Airlines
Sat 5/304:05 pm
ORD
- HRL
1 stop5h 49m
United Airlines
Deal found 4/22![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 4/22. 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.
Tue 5/197:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Tue 5/263:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/22![Southwest logo]()
$304
Best flights from Harlingen to O'Hare IntlDiscover carefully curated flight deals from Harlingen to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Harlingen to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This Southwest deal was found by Cheapflights users on 4/22. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Wed 5/2711:55 am
ORD
- HRL
1 stop5h 25m
Southwest
Deal found 4/22![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/115:16 pm
HRL
- ORD
1 stop6h 01m
United Airlines
Wed 8/127:30 am
ORD
- HRL
1 stop8h 04m
United Airlines
Deal found 4/23![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 4/21. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Tue 5/263:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/21![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 4/23. 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 6/16:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Wed 6/33:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/23![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 4/24. 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 5/286:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Wed 6/33:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/24![Southwest logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/42:05 pm
HRL
- ORD
1 stop7h 35m
United Airlines
Sat 7/117:35 am
ORD
- HRL
1 stop5h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 4/21. 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 7/65:20 pm
HRL
- ORD
1 stop7h 25m
United Airlines
Sat 7/117:35 am
ORD
- HRL
1 stop5h 55m
United Airlines
Deal found 4/21![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Sat 5/92:05 pm
ORD
- HRL
2 stops7h 30m
Southwest
Deal found 4/20![Southwest logo]()
$402
Last-minute flights from Harlingen to O'Hare IntlDiscover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated April 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/20. 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.
Fri 5/14:02 pm
HRL
- ORD
1 stop5h 36m
Delta
Sun 5/36:25 am
ORD
- HRL
1 stop8h 40m
Delta
Deal found 4/20![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/56:45 pm
HRL
- ORD
1 stop5h 03m
American Airlines
Sat 5/94:40 pm
ORD
- HRL
1 stop6h 11m
American Airlines
Deal found 4/20![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/196:45 pm
HRL
- ORD
1 stop5h 03m
American Airlines
Tue 5/264:44 pm
ORD
- HRL
1 stop7h 30m
American Airlines
Deal found 4/21![American Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 4/22. 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.
Tue 5/197:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Tue 5/263:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/22![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 4/22. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Wed 5/2711:55 am
ORD
- HRL
1 stop5h 25m
Southwest
Deal found 4/22![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 4/21. 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 5/207:10 am
HRL
- ORD
1 stop6h 05m
Southwest
Tue 5/263:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/21![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/205:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Thu 5/282:05 pm
ORD
- HRL
1 stop5h 44m
United Airlines
Deal found 4/23![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/235:20 pm
HRL
- ORD
1 stop7h 25m
United Airlines
Sat 5/304:05 pm
ORD
- HRL
1 stop5h 49m
United Airlines
Deal found 4/22![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 4/24. 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 5/286:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Wed 6/33:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Deal found 4/24![Southwest logo]()
$290
One-way flights from Harlingen to O'Hare IntlSearch for one-way flight options from Harlingen to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Harlingen to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/25:20 pm
HRL
- ORD
1 stop7h 25m
United Airlines
Deal found 4/21![United Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 6/164:57 pm
HRL
- ORD
1 stop7h 42m
American Airlines
Deal found 4/22![American Airlines logo]()
$131
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 5/65:18 pm
HRL
- ORD
1 stop5h 57m
United Airlines
Deal found 4/20![United Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/235:20 pm
HRL
- ORD
1 stop5h 55m
United Airlines
Deal found 4/23![United Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/105:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/23![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 6/145:20 pm
HRL
- ORD
1 stop7h 25m
United Airlines
Deal found 4/22![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 8/25:10 am
HRL
- ORD
1 stop5h 10m
United Airlines
Deal found 4/22![United Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 4/23. 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 6/16:00 am
HRL
- ORD
2 stops9h 30m
Southwest
Deal found 4/23![Southwest logo]()
$235
This Southwest deal was found by Cheapflights users on 4/23. 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 5/612:45 pm
HRL
- ORD
2 stops9h 10m
Southwest
Deal found 4/23![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sat 5/236:05 am
HRL
- ORD
2 stops15h 50m
Southwest
Deal found 4/23![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sun 5/106:00 am
HRL
- ORD
2 stops9h 30m
Southwest
Deal found 4/23![Southwest logo]()
$275
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Southwest) |
One-way from | $109 (United Airlines) |
Popular in | March |
Cheapest in | June |
Average price | $466 |
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 April 24, 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
Cheapest round-trip
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Wed 5/20
7:10 am-1:15 pm
1 stop6h 05m
Chicago O'Hare Intl
Wed 5/27
11:55 am-5:20 pm
1 stop5h 25m
$227
Quickest round-trip
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Wed 5/20
7:10 am-1:15 pm
1 stop6h 05m
Chicago O'Hare Intl
Tue 5/26
3:45 pm-8:55 pm
1 stop5h 10m
$244
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Mon 6/1
6:55 am-1:15 pm
1 stop6h 20m
Chicago O'Hare Intl
Wed 6/3
3:45 pm-8:55 pm
1 stop5h 10m
$290
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Thu 5/28
6:55 am-1:15 pm
1 stop6h 20m
Chicago O'Hare Intl
Wed 6/3
3:45 pm-8:55 pm
1 stop5h 10m
$290
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Tue 8/11
5:16 pm-11:17 pm
1 stop6h 01m
Chicago O'Hare Intl
Wed 8/12
7:30 am-3:34 pm
1 stop8h 04m
$307
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Sat 7/4
2:05 pm-9:40 pm
1 stop7h 35m
Chicago O'Hare Intl
Sat 7/11
7:35 am-1:30 pm
1 stop5h 55m
$356
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Mon 7/6
5:20 pm-12:45 am
1 stop7h 25m
Chicago O'Hare Intl
Sat 7/11
7:35 am-1:30 pm
1 stop5h 55m
$366
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Tue 5/5
7:10 am-1:15 pm
1 stop6h 05m
Chicago O'Hare Intl
Sat 5/9
2:05 pm-9:35 pm
2 stops7h 30m
$402
Cheapest one-way
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Tue 6/2
5:20 pm-12:45 am
1 stop7h 25m
$109
HarlingenChicago
HRL - ORD
HRLORD
Harlingen Valley Intl
Wed 5/6
7:10 am-1:15 pm
1 stop6h 05m
$139
Showing 1-10 of 16 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
HRL-ORD
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
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 April 24, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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.
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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Downers Grove
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Libertyville
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Warrenville
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Top 3 airlines flying from Harlingen to O'Hare Intl
Discover the top 3 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$252 | Average$319 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$438 | FlexibilityNo cancel fee | On-time71% |