$156+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ORD
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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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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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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:28 pm -
1 stop6h 46m
Sat 10/105:00 am -
1 stop5h 08m
Deal found 9/5![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 11/136:41 pm -
1 stop5h 18m
Sun 11/155:00 am -
1 stop5h 14m
Deal found 9/3![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:46 pm -
1 stop7h 24m
Wed 10/285:16 pm -
1 stop5h 34m
Deal found 9/5![American Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/195:22 pm -
1 stop6h 02m
Mon 1/116:50 am -
1 stop6h 34m
Deal found 9/4![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/235:28 pm -
1 stop6h 02m
Sat 9/264:50 pm -
1 stop5h 58m
Deal found 9/3![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/232:46 pm -
1 stop6h 44m
Mon 10/263:50 pm -
1 stop7h 00m
Deal found 9/3![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/125:28 pm -
1 stop6h 02m
Sat 9/197:09 am -
1 stop7h 56m
Deal found 9/7![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:05 am -
1 stop6h 10m
Tue 12/292:23 pm -
1 stop7h 36m
Deal found 9/5![United Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 9/183:35 pm -
1 stop7h 55m
Tue 9/229:40 am -
1 stop7h 18m
Deal found 9/3![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 11/105:25 pm -
1 stop7h 21m
Wed 11/112:22 pm -
1 stop5h 25m
Deal found 9/2![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/55:18 pm -
1 stop6h 08m
Mon 9/75:30 am -
1 stop7h 54m
Deal found 9/3![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/174:53 pm -
1 stop7h 21m
Sun 9/205:00 am -
1 stop4h 58m
Deal found 9/3![American Airlines logo]()
$409
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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/35:28 pm -
1 stop6h 46m
Sat 10/105:00 am -
1 stop5h 08m
Deal found 9/7![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 11/105:25 pm -
1 stop7h 21m
Wed 11/112:22 pm -
1 stop5h 25m
Deal found 9/3![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/82:13 pm -
1 stop5h 25m
Sun 10/116:20 am -
1 stop7h 03m
Deal found 9/7![Delta logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 12/192:09 pm -
Nonstop3h 20m
Mon 1/116:00 am -
1 stop8h 17m
Deal found 9/4![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:25 pm -
1 stop7h 20m
Mon 11/164:07 pm -
1 stop6h 41m
Deal found 9/5![United Airlines logo]()
$484
Last-minute flights from Harlingen to O'Hare IntlDiscover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/55:18 pm -
1 stop6h 08m
Mon 9/75:30 am -
1 stop7h 54m
Deal found 9/3![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/125:28 pm -
1 stop6h 02m
Sat 9/197:09 am -
1 stop7h 56m
Deal found 9/7![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:28 pm -
1 stop6h 46m
Sun 9/205:00 am -
1 stop4h 58m
Deal found 9/5![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/174:53 pm -
1 stop7h 21m
Sun 9/205:00 am -
1 stop4h 58m
Deal found 9/3![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 9/183:35 pm -
1 stop7h 55m
Tue 9/229:40 am -
1 stop7h 18m
Deal found 9/3![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/235:28 pm -
1 stop6h 02m
Sat 9/264:50 pm -
1 stop5h 58m
Deal found 9/3![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/295:28 pm -
1 stop6h 02m
Fri 10/25:00 am -
1 stop4h 58m
Deal found 9/7![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:28 pm -
1 stop6h 46m
Sat 10/105:00 am -
1 stop5h 08m
Deal found 9/5![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 10/126:42 pm -
1 stop5h 17m
Thu 10/152:50 pm -
1 stop8h 00m
Deal found 9/3![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:46 pm -
1 stop7h 24m
Wed 10/285:16 pm -
1 stop5h 34m
Deal found 9/5![American Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/232:46 pm -
1 stop6h 44m
Mon 10/263:50 pm -
1 stop7h 00m
Deal found 9/3![American Airlines logo]()
$362
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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/66:42 pm -
1 stop5h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$156
This Sun Country Air deal was found by Cheapflights users on 9/2. 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.
Thu 10/111:47 am -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Sun Country Air logo]()
$163
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 11/72:13 pm -
1 stop7h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$166
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/66:41 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$170
This Sun Country Air deal was found by Cheapflights users on 9/7. 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.
Thu 11/512:10 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Sun Country Air logo]()
$173
This Delta deal was found by Cheapflights users on 9/3. 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 10/302:13 pm -
2 stops9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$175
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/45:16 pm -
1 stop6h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 9/6. 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 11/62:13 pm -
2 stops9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$185
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 12/32:26 pm -
1 stop7h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/235:05 am -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 11/45:25 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$201
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (United Airlines) |
One-way from | $156 (American Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $324 |
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 September 8, 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 Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Sat 12/5
2:28 pm-9:35 pm
1 stop7h 07m
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
Mon 11/2
5:25 pm-12:45 am
1 stop7h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Thu 11/5
12:10 pm-6:05 pm
1 stop5h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$173
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Thu 10/1
11:47 am-6:43 pm
1 stop6h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$173
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Sun 11/1
2:13 pm-11:57 pm
2 stops9h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$175
Quickest round-trip
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Tue 10/6
6:42 pm-11:59 pm
1 stop5h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$201
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Wed 11/4
5:25 pm-12:45 am
1 stop7h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$201
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Mon 10/5
6:42 pm-11:59 pm
1 stop5h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Thu 3/4
5:16 pm-11:55 pm
1 stop6h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
HarlingenChicago
HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl
HRLORD
Harlingen Valley Intl
Fri 11/6
5:25 pm-11:26 pm
1 stop6h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
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 September.
| 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.
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 September 8, 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.
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
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.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
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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$417 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$384 | FlexibilityNo cancel fee | On-time71% |