$308 Cheap Flights from Denver to Tri-Cities

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Find The Best Dates To Fly from Denver Intl. to Tri-Cities Regional

Amazing DEN to TRI Flight Deals

The cheapest flights to Tri-Cities Regional found within the past 7 days were $415 round trip and $308 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from DEN to Tri-Cities Airport right now?
It’s wise to learn about any quarantine requirements and travel advice reports in effect in your destination city. Be sure to go to our Covid-19 Travel Advisor for up-to-date info on booking a flight to TRI from DIA airport.
Are there direct flights from DEN to Tri-Cities Regional Airport (TRI)?
American Airlines, Delta and Aeromexico will fly you to Blountville from Denver with one stopover. Unfortunately, there are no direct flights between DEN and Tri-Cities Regional Airport (TRI) as yet.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Tri-Cities Airport, please visit our Customer Service Portal.
How long is the flight from DIA airport to TRI?
With the flight from Denver to Blountville taking around 4 hours and 12 minutes, there will be time to get lots of things done in the air. Take advantage of your journey by bringing that book you’ve always wanted to read, exploring the in-flight entertainment or taking a nice long nap. You might even be able to squeeze in all three before disembarking.
What is the flight distance from Denver Airport to Tri-Cities Airport?
The flight distance from Denver Airport to Tri-Cities Regional Airport (TRI) is 1,250 mi. Remember to bring along a decent book or your favorite podcast to make the journey fly by.
What airlines fly from Denver Intl. Airport (DEN) to Tri-Cities Regional Airport (TRI)?
With no direct flights offered between Denver Airport and Tri-Cities Airport, at least one stopover is unavoidable. Best to plan ahead in order to find the quickest route and save some time.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Delta or Allegiant Air you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Denver Intl.
Traveling To Tri-Cities Regional
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price $415

Route Info

Flight path for flights from Denver International Airport to Tri-Cities Regional Airport.

1,431.00 miles

Discover our best flights from Denver DEN to Tri-Cities TRI. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Denver DEN to Tri-Cities TRI at the right price  

Airfares to Tri-Cities TRI from Denver DEN currently cost between $415 and $508. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Denver DEN to Tri-Cities TRI 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Denver DEN to Tri-Cities TRI on Travelocity starting at $308. Prices and availability subject to change. Additional terms may apply. 


Get to Tri-Cities TRI from Denver DEN quicker with direct flights. 

Get to Tri-Cities faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to TRI from DEN to take around hour(s) min(s).  


Find our cheapest airfares for flights from Denver DEN to Tri-Cities TRI

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to TRI from DEN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Denver DEN to Tri-Cities TRI today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from Denver DEN to Tri-Cities TRI. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Tri-Cities TRI from Denver DEN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to TRI from DEN have this option.  


Travel with confidence when you book flights to Tri-Cities TRI from Denver DEN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.