Title: Cheap Flights from Chicago to Harlingen (ORD to HRL) - Expedia.co.uk ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Chicago (ORD) to Harlingen (HRL) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Chicago O'Hare International Airport (ORD) to Valley Intl. Airport (HRL) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:hrl,departure:30/10/2025TANYT&leg2=from:hrl,to:ord,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:hrl,departure:30/10/2025TANYT&leg2=from:hrl,to:ord,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:hrl,departure:30/10/2025TANYT&leg2=from:hrl,to:ord,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:hrl,departure:30/10/2025TANYT&leg2=from:hrl,to:ord,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:hrl,departure:30/10/2025TANYT&leg2=from:hrl,to:ord,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Chicago (ORD) to Harlingen (HRL) ### September is typically the cheapest month to fly From £130 - £341 per traveller. ## Frequently asked questions ### How much is a flight from O'Hare Airport to Valley Intl. Airport (HRL)? > Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from O'Hare Intl. Airport (ORD) to HRL start from . Make your booking ASAP to get the best price for your journey. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to HRL? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from O'Hare Intl. Airport (ORD) to Valley Intl. Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to HRL flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from ORD to HRL? > You'll be soaring through the sky for a while, as the flight distance between Chicago and Harlingen is 1,950 kilometres. Set up a playlist of your favourite podcasts before you leave home to keep yourself entertained during the flight. ### Which airlines fly direct from ORD to Valley Intl. Airport (HRL)? > If you want to fly straight from ORD to Valley Intl. Airport (HRL), you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route. ### Are O'Hare Intl. Airport (ORD) to Valley Intl. Airport (HRL) flight tickets cheaper when they're purchased at the last minute? > Booking your trip from O'Hare Airport to Valley Intl. Airport (HRL) last minute could be your ticket to a fantastic deal. However, it could end up costing a great deal more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia. ## Travel information | Origin airport | O'Hare Intl. | | --- | --- | | Destination airport | Valley Intl. | | Distance | 1953 km | ## Book with confidence ### Compare flights from Chicago to Harlingen easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Harlingen. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Valley Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Valley Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from O'Hare Intl. (ORD) to Valley Intl. (HRL) The easiest way to view the best deals on flights from Chicago to Harlingen today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Valley Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Chicago and Harlingen - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Chicago to Harlingen flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Valley Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. 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