$103 Cheap Flights from Chicago (ORD) to Lafayette (LAF)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Chicago to Lafayette (ORD-LAF)

Prices were available within the past 7 days and start at $103 for one-way flights and $161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
United
United
United
United
United
Southern Airways Express

Alternative airports near Lafayette

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Chicago (ORD) to Lafayette (LAF)
Origin airport
O'Hare Intl.
Destination airport
Purdue University
Airlines serving
United
Roundtrip price
$160
Distance
119 mi
Average flight time
2 hours 3 mins

Chicago to Lafayette Flights

The cheapest times to fly from Chicago to Lafayette

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Lafayette are during the month of August. You can find some of the cheapest flights from Chicago to Lafayette with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Lafayette

Sunday is one of the best days to book for cheap flights from Chicago to Lafayette: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Lafayette

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Lafayette in 2025. You can also book with separate airlines for your outbound and return journeys, from $103 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Lafayette flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Lafayette airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University) cost?
You can book cheap return fares starting at $161 from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ORD on August 14 2025 and touching down at LAF. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ORD to LAF?
The cheapest flights from ORD to LAF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
Fly nonstop from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University) on a Southern Airways Express flight.
What is the cheapest airline that flies from ORD to LAF?
With fares starting at $99 for a one-way journey from ORD to LAF, Southern Airways is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on August 4 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
Every day on average, 2 direct flights operate from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University). Choose the departure time that best suits your plans.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
More people fly between ORD and LAF at 9 AM than at any other time. Looking for a quieter experience? Pick a flight outside the busiest times and you could save on your ticket as well.
What day of the week has the most flights from ORD to LAF?
Friday offers the most flights from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
Take the earliest flight at around 9:20AM UTC-6, departing from O'Hare Intl. Airport (ORD). You'll be traveling for around 1h 5m, arriving at Lafayette, IN (LAF-Purdue University) at approximately 11:25AM UTC-5.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
The average flight duration from ORD to LAF is 1 hour and 5 minutes, covering a total distance of 120 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
To reach Lafayette, IN (LAF-Purdue University) without delays, book a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for West Lafayette from O'Hare Intl. Airport (ORD)?
Board a direct flight from O'Hare Intl. Airport (ORD) to West Lafayette and land at Indianapolis Intl. Airport (IND). Another convenient entry point into this city is Lafayette, IN (LAF-Purdue University).
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University) last-minute?
Last-minute bookings from ORD to LAF are typically more expensive. To lock in the best rates, start looking for flights early. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an ORD to LAF flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to LAF flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Lafayette, IN (LAF-Purdue University)?
It's generally possible to cancel or reschedule your ORD to LAF flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.