Book Cheap United flight from Chicago (ORD) to Harlingen (HRL)

Find The Best Day to Book a Cheap United Flights From Chicago to Harlingen

Frequently asked questions

Can I catch a flight from ORD to Valley Intl. Airport (HRL) right now?
It’s always prudent to find out about any quarantine requirements and travel advice reports in place in your destination. Make sure you check out our Covid-19 Travel Advisor for up-to-date info on flying to HRL.
What terminal is United Airlines at O'Hare Intl. Airport (ORD)?
Check your boarding pass to find out which O’Hare Intl. Airport (ORD) terminal you’ll be departing from on your way to Valley Intl. Airport with United Airlines. If you can’t find the information on there, consult your airline.
Are there United Airlines non-stop flights from ORD to HRL?
If you’re considering flying with United Airlines from O’Hare Airport to Valley Intl. Airport, you’ll need to make at least one stopover. While waiting for your connection, use the time to enjoy a bite to eat or explore the airport shops.
How long is a United Airlines flight from ORD to HRL?
Get some in-flight shut-eye and start your vacation relaxed and refreshed. You’ll have more than enough time to do so when traveling with United Airlines between ORD and Valley Intl. Airport, with the flight taking about 4 hours and 21 minutes.
How many direct and indirect flights does United Airlines fly from ORD to HRL?
United Airlines has no fewer than 3 flights every day from ORD to HRL.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to HRL, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great United flight from ORD to HRL 

To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying United Chicago to Harlingen gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.  

 

Find cheap flights with United between Chicago and Harlingen 

United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Chicago to Harlingen with United are .  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your United flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Harlingen

Smart lock Boho chic 4 min from Airport
Smart lock Boho chic 4 min from Airport
Harlingen
Stay at this vacation home in Harlingen. Enjoy air conditioning. Popular attractions Harlingen Soccer Complex and Rio Grande Valley Museum are located ...
Texas
"The property was well maintained and accurately depicted in the add. Hostess was very helpful and the property was very nicely decorated, enjoyed stay very much."

Reviewed on May 1, 2025

Smart lock Boho chic 4 min from Airport
Wild Cactus 🌵
Wild Cactus 🌵
Harlingen
Stay at this condo in Harlingen. Enjoy an in-room coffeemaker and air conditioning. Popular attractions Harlingen Soccer Complex and Rio Grande Valley Museum ...
8/10 Very Good! (2 reviews)
Very Clean
"We would stay again if in the area. Debbie was quick to answer our questions."

Reviewed on Feb. 14, 2025

Wild Cactus 🌵
The Parisian Keyless Condo 4 min from Airport and Hospitals
The Parisian Keyless Condo 4 min from Airport and Hospitals
Harlingen
Stay at this condo in Harlingen. Enjoy cable/satellite TV service, an in-room coffeemaker, and air conditioning. Popular attractions Harlingen Soccer Complex ...
9.2/10 Wonderful! (16 reviews)
Extended stay
"The property exceeded or needs. Property manager was friendly and responded timely."

Reviewed on May 18, 2025

The Parisian Keyless Condo 4 min from Airport and Hospitals
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.