Cheap Flights from Chicago O'Hare International to Harlingen

Compare Chicago O'Hare International to Harlingen flight deals

Find the cheapest month or even day of the year to fly to Harlingen

Book the best Harlingen fare with no extra fees

Flight deals from Chicago O'Hare International to Harlingen

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Harlingen Airport? If you want to travel next month, return fares start from R 6,153. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Harlingen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Harlingen flights are currently cheapest in July.

Chicago O'Hare International to Harlingen: Alternative routes

Compare routes from Chicago O'Hare International to Harlingen below. You may find an airport to fly into that's cheaper, faster, or easier than Harlingen.

Chicago to Harlingen: Flight information

The things to know before you go.
Cheapest flight foundR 2,629
Cheapest month to flyJuly

Finding cheap flights from Chicago O'Hare International to Harlingen: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Harlingen is R 5,783. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Harlingen. But we found flights with one or more stops from R 5,783.
As of May 2026, there are no flights flying from Chicago O'Hare International to Harlingen.
The cheapest month to fly from Chicago O'Hare International to Harlingen is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Harlingen Airport on Friday, 28 August 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Harlingen Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harlingen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Harlingen is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Harlingen.

Flying from O'Hare International Airport (ORD) to Valley International Airport (HRL): what you need to know

  • Chicago and Harlingen are in the same timezone, UTC-5.

  • To ensure you get on your ORD to HRL flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During popular months like August, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during a peak period in general.

  • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from O'Hare International Airport to Valley International Airport. Here are the top stopovers between ORD and HRL:

    • Dallas/Fort Worth International Airport

    • George Bush Intercontinental Airport

    • Austin-Bergstrom International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Valley International Airport (HRL)

  • R 2,629 is the lowest price for a one-way O'Hare International Airport to Valley International Airport flight. Return flights start at R 5,783. These fares can change depending on availability and demand.

  • It's a good idea to book as early as possible if you're hoping to get cheap tickets from ORD to HRL. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from O'Hare International Airport to Valley International Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' search function to see the lowest prices across every month and land a great deal.

  • Never miss a deal on cheap flights from ORD to HRL by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Secure the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from O'Hare International Airport to Valley International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about O'Hare International Airport (ORD)

  • ORD's address is 10000 West O'Hare.

  • Of the departures from O'Hare International Airport, 74.85% land on schedule at their destination.

  • O'Hare International Airport is around 40 kilometres from central Chicago. If you're driving, catching a cab or ride-sharing from the centre, it'll take 35 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport usually takes 55 minutes.

  • Get your trip off to a hassle-free start by staying near ORD. Whether you have an early flight from O'Hare International Airport to Valley International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Valley International Airport (HRL)

Getting from Valley International Airport (HRL) to central Harlingen

  • HRL is located at 3002 Heritage Way.

  • Valley International Airport is roughly 8 kilometres from the centre of Harlingen. Driving there takes about 10 minutes.

When to fly to Valley International Airport (HRL)

  • The quietest month for a flight from O'Hare International Airport to Valley International Airport is April, while October is the busiest. Choose the best time to go to Harlingen based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from O'Hare International Airport to Valley International Airport for August if you want to visit Harlingen during its warmest month. Expect temperatures of between 25ºC (77ºF) and 37ºC (99ºF).

  • If you like cooler conditions, look for a cheap ticket from ORD to HRL in January. Temperatures average between 10ºC (50ºF) and 25ºC (77ºF) then.

Explore more of United States

  • Houston is just one of the many places in United States waiting to be discovered after you've experienced Harlingen. Around 451 kilometres away to the north-east, top sights here include The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • If you're eager to discover another corner of United States, head for San Antonio, about 370 kilometres north of Harlingen. The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.