Cheap Flights from Coeur d'Alene (COE) to Tri-Cities (TRI)

Popular airlines from Coeur d'Alene, ID (COE) to Tri-Cities, TN (TRI-Tri-Cities Regional)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
Flights from Coeur d'Alene (COE) to Tri-Cities (TRI)
Origin airport
Coeur d'Alene
Destination airport
Tri-Cities Regional
Distance
1907 mi

Coeur d'Alene to Tri-Cities Flights

The cheapest times to fly from Coeur d'Alene 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 Coeur d'Alene to Tri-Cities are during the month of . You can find some of the cheapest flights from Coeur d'Alene to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Coeur d'Alene to Tri-Cities

Sunday is one of the best days to book for cheap flights from Coeur d'Alene 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 Coeur d'Alene 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 Coeur d'Alene to Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Coeur d'Alene 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 Coeur d'Alene 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.

 

Frequently asked questions

How much does a flight from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI) cost?
Grab a cheap one-way flight or cheap return flight from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI)?
The cheapest month to fly from COE to TRI is , when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest COE to TRI flight.
How many flights per day from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI)?
There are no daily direct flights available from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from COE to TRI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI)?
To land at Tri-Cities Regional Airport (TRI) without delays, pick a flight that takes off from Coeur d'Alene, ID (COE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI) last-minute?
Last-minute bookings from COE to TRI are usually more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a COE to TRI flight and hotel package?
Securing a COE to TRI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Coeur d'Alene, ID (COE) to Tri-Cities Regional Airport (TRI)?
If you booked your COE to TRI flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.