*Flight schedules are subject to change.
*Available to One Key members.
Photo by Tennessee Department of Tourist Development
$222 Cheap Flights from Chicago (CHI) to Tri-Cities (TRI)
Popular airlines from Chicago to Tri-Cities, TN (TRI-Tri-Cities Regional)
Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Chicago to Tri-Cities (CHI-TRI)
Prices were available within the past 7 days and start at $222 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Feb 17 - Tue, Mar 9
ORD
Chicago
TRI
Tri-Cities
$249 Roundtrip, found 8 hours ago
$249
Roundtrip
found 8 hours ago
Thu, Nov 19 - Tue, Nov 24
ORD
Chicago
TRI
Tri-Cities
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Wed, Aug 12 - Mon, Aug 17
MDW
Chicago
TRI
Tri-Cities
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Fri, Aug 28 - Sun, Aug 30
ORD
Chicago
TRI
Tri-Cities
$269 Roundtrip, found 2 hours ago
$269
Roundtrip
found 2 hours ago
Tue, Jul 21 - Tue, Jul 28
ORD
Chicago
TRI
Tri-Cities
$284 Roundtrip, found 3 hours ago
$284
Roundtrip
found 3 hours ago
Sat, Aug 22 - Sat, Aug 29
ORD
Chicago
TRI
Tri-Cities
$285 Roundtrip, found 8 hours ago
$285
Roundtrip
found 8 hours ago
Wed, Feb 17 - Tue, Mar 9
ORD
Chicago
TRI
Tri-Cities
$287 Roundtrip, found 8 hours ago
$287
Roundtrip
found 8 hours ago
Fri, Dec 4 - Mon, Dec 7
ORD
Chicago
TRI
Tri-Cities
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Sat, Aug 22 - Sat, Aug 29
ORD
Chicago
TRI
Tri-Cities
$295 Roundtrip, found 8 hours ago
$295
Roundtrip
found 8 hours ago
Tue, Jul 21 - Sat, Jul 25
ORD
Chicago
TRI
Tri-Cities
$299 Roundtrip, found 20 hours ago
$299
Roundtrip
found 20 hours ago
Alternative airports
Prices were available within the past 7 days. Prices and availability are subject to change.
Select flight to Tri-Cities Regional TRI. Cheapest option available. Flights from $364
TRI
Tri-Cities Regional
Cheapest
Travel information
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Tri-Cities Regional |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | $249 |
Distance | 480 mi |
Book with confidence
Chicago to Tri-Cities Flights
The cheapest times to fly from Chicago to Tri-Cities
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 Tri-Cities are during the month of February. You can find some of the cheapest flights from Chicago to Tri-Cities with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Chicago to Tri-Cities
Sunday is one of the best days to book for cheap flights from Chicago to Tri-Cities: 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 Tri-Cities
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 Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from $222 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 Tri-Cities 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 Tri-Cities 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.
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