Title:  Cheap Flights from Boise (BOI) to Tri-Cities (TRI) - Expedia.ca

![Tri-Cities showing street scenes and a festival as well as a couple](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

Photo by Tennessee Department of Tourist Development

![](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

#  Cheap Flights from Boise (BOI) to Tri-Cities (TRI)

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

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## Popular airlines from Boise Airport (BOI) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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American Airlines  
[](https://www.expedia.ca/Flights-Search?leg1=from:BOI,to:TRI,departure:24/02/2026TANYT&leg2=from:TRI,to:BOI,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)  
Delta  
[](https://www.expedia.ca/Flights-Search?leg1=from:BOI,to:TRI,departure:24/02/2026TANYT&leg2=from:TRI,to:BOI,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

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__Flight from Boise to Tri-Cities (BOI - TRI) route information__
| Origin airport      | Boise               |
| ------------------- | ------------------- |
| Destination airport | Tri-Cities Regional |
| Distance            | 2944 km             |

## Boise to Blountville Flights

**The easy way to book your flights from Boise to Tri-Cities** 

With Expedia, it’s simple to find and book flights to Tri-Cities from Boise whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Tri-Cities Regional, too. 

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boise to Tri-Cities today, tomorrow, or this week. 

**Save dollars with cheap flights from Boise, BOI to Tri-Cities Regional, TRI** 

Sort your search results by price to find great deals on your flight from Boise to Tri-Cities—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tri-Cities from Boise currently is just rising to . 

Here are more money-saving tips: 

- Fly in when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Tri-Cities
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

**Reasons to choose Expedia for your flight to Tri-Cities from Boise** 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Tri-Cities with Expedia today.

## Frequently asked questions

### How much is a flight from Boise Airport (BOI) to Tri-Cities Regional Airport (TRI)?

### Do I need to pay a cancellation fee if I cancel my flight from BOI to Tri-Cities Regional Airport (TRI)?

### How do I find cheap flights from Boise Airport (BOI) to Tri-Cities Airport that have flexible change policies?

### How many hours is the flight from Boise Airport (BOI) to TRI?

### How far is the flight from Boise Airport (BOI) to Tri-Cities Regional Airport (TRI)?

### Which airlines fly direct from Boise Airport (BOI) to Tri-Cities Airport?

### Are Boise Airport (BOI) to Tri-Cities Airport flight tickets cheaper when they're purchased at the last minute?

\*Available to Expedia members.