$125+ Cheap flights from Harlingen (HRL) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
Nov 21 — Nov 281
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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One-way
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/35:05 am -
1 stop6h 12m
Tue 11/104:07 pm -
1 stop6h 41m
Deal found 10/20![United Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:44 am -
1 stop7h 46m
Tue 12/85:00 am -
1 stop5h 11m
Deal found 10/18![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 11/55:25 pm -
1 stop7h 20m
Thu 11/129:21 am -
1 stop6h 40m
Deal found 10/20![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:24 pm -
1 stop7h 51m
Mon 12/145:00 am -
1 stop5h 11m
Deal found 10/18![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/285:05 am -
1 stop5h 05m
Tue 1/59:18 am -
1 stop6h 35m
Deal found 10/21![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/211:59 pm -
1 stop7h 41m
Tue 11/246:55 am -
1 stop6h 26m
Deal found 10/18![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/246:46 pm -
1 stop5h 34m
Sun 11/2910:03 am -
1 stop8h 13m
Deal found 10/20![American Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:05 am -
1 stop5h 06m
Sat 11/712:40 pm -
1 stop7h 07m
Deal found 10/19![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/285:25 pm -
1 stop6h 01m
Sun 11/19:21 am -
1 stop6h 40m
Deal found 10/18![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/295:05 am -
1 stop5h 06m
Thu 11/125:30 am -
1 stop7h 51m
Deal found 10/17![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/111:25 am -
1 stop7h 04m
Thu 11/510:34 am -
1 stop5h 27m
Deal found 10/17![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:42 pm -
1 stop5h 17m
Fri 10/305:00 am -
1 stop5h 08m
Deal found 10/18![American Airlines logo]()
$444
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/17. 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 2/12:05 pm -
1 stop5h 58m
Sat 2/278:00 am -
1 stop5h 20m
Deal found 10/17![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 10/17. 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 12/192:47 pm -
1 stop7h 18m
Tue 12/225:00 am -
1 stop5h 04m
Deal found 10/17![American Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/285:05 am -
1 stop5h 05m
Tue 1/59:18 am -
1 stop6h 35m
Deal found 10/21![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:05 am -
1 stop5h 06m
Sat 11/712:40 pm -
1 stop7h 07m
Deal found 10/19![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Mon 11/25:05 am -
1 stop6h 12m
Fri 11/65:30 pm -
1 stop5h 18m
Deal found 10/18![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 12/212:47 pm -
1 stop7h 18m
Sun 12/276:00 am -
1 stop8h 17m
Deal found 10/19![American Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:05 pm -
1 stop7h 30m
Wed 12/237:00 am -
1 stop6h 30m
Deal found 10/19![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/55:25 pm -
1 stop7h 20m
Mon 11/94:07 pm -
1 stop6h 41m
Deal found 10/17![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 11/211:59 pm -
1 stop7h 41m
Mon 11/309:21 am -
1 stop6h 40m
Deal found 10/20![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/412:00 pm -
2 stops18h 29m
Tue 12/810:30 am -
1 stop5h 20m
Deal found 10/17![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 12/1012:00 pm -
2 stops18h 29m
Mon 12/149:21 am -
1 stop6h 29m
Deal found 10/18![United Airlines logo]()
$573
Last-minute flights from Harlingen to O'Hare IntlDiscover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated October 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:42 pm -
1 stop5h 17m
Fri 10/305:00 am -
1 stop5h 08m
Deal found 10/18![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/285:25 pm -
1 stop6h 01m
Sun 11/19:21 am -
1 stop6h 40m
Deal found 10/18![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/295:05 am -
1 stop5h 06m
Thu 11/125:30 am -
1 stop7h 51m
Deal found 10/17![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/111:25 am -
1 stop7h 04m
Thu 11/510:34 am -
1 stop5h 27m
Deal found 10/17![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/35:05 am -
1 stop6h 12m
Tue 11/104:07 pm -
1 stop6h 41m
Deal found 10/20![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:05 am -
1 stop5h 06m
Sat 11/712:40 pm -
1 stop7h 07m
Deal found 10/19![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 11/55:25 pm -
1 stop7h 20m
Thu 11/129:21 am -
1 stop6h 40m
Deal found 10/20![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/136:41 pm -
1 stop5h 18m
Sat 11/286:05 am -
1 stop8h 15m
Deal found 10/21![American Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/205:25 pm -
1 stop7h 20m
Fri 11/279:21 am -
1 stop6h 40m
Deal found 10/21![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/211:59 pm -
1 stop7h 41m
Tue 11/246:55 am -
1 stop6h 26m
Deal found 10/18![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/246:46 pm -
1 stop5h 34m
Sun 11/2910:03 am -
1 stop8h 13m
Deal found 10/20![American Airlines logo]()
$405
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:05 pm -
1 stop5h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$125
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 12/225:22 pm -
1 stop6h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Mon 12/215:05 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 10/21. 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 10/276:42 pm -
1 stop5h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:18 pm -
2 stops9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/241:59 pm -
1 stop7h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/275:05 am -
2 stops8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$470
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (United Airlines) |
One-way from | $125 (United Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $443 |
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 7,457,451 searches. Data last updated October 22, 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
Quickest round-trip
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Thu 12/17
2:05 pm-7:58 pm
1 stop5h 53m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Tue 12/22
5:22 pm-11:24 pm
1 stop6h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Wed 10/28
5:25 pm-11:26 pm
1 stop6h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$205
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Mon 2/1
2:05 pm-8:03 pm
1 stop5h 58m
Chicago O'Hare Intl
Sat 2/27
8:00 am-1:20 pm
1 stop5h 20m
$345
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Tue 11/24
5:05 am-3:38 pm
2 stops10h 33m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$356
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Mon 12/28
5:05 am-10:10 am
1 stop5h 05m
Chicago O'Hare Intl
Tue 1/5
9:18 am-3:53 pm
1 stop6h 35m
$393
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Tue 11/3
5:05 am-10:11 am
1 stop5h 06m
Chicago O'Hare Intl
Sat 11/7
12:40 pm-7:47 pm
1 stop7h 07m
$409
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Mon 11/2
5:05 am-11:17 am
1 stop6h 12m
Chicago O'Hare Intl
Fri 11/6
5:30 pm-10:48 pm
1 stop5h 18m
$429
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Tue 10/27
5:05 am-1:08 pm
2 stops8h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$470
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Sat 12/19
2:47 pm-10:05 pm
1 stop7h 18m
Chicago O'Hare Intl
Tue 12/22
5:00 am-10:04 am
1 stop5h 04m
$525
Showing 1-10 of 17 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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 October 22, 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.
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Top 2 airlines flying from Harlingen to O'Hare Intl
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$388 | FlexibilityNo cancel fee | On-time71% |