$262 Cheap Flights from Tri-Cities to Denver

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Change your flight without a fee on select flights

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

Amazing TRI to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $264 round trip and $262 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from TRI to DIA airport right now?
It’s always prudent to find out about any quarantine requirements and travel advice reports in place in your destination city. Be sure to visit the Covid-19 Travel Advisor for up-to-date information on flying to Denver Airport.
Are there direct flights from TRI to Denver Intl. Airport (DEN)?
Make a note of your connecting gate, because there aren’t any direct flights on the Tri-Cities Regional Airport (TRI) to Denver Airport route. American Airlines, Delta and KLM are some airlines that will fly you to Denver with just one stopover.
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 DIA airport, please visit our Customer Service Portal.
How long is the flight from TRI to DIA airport?
If you’re flying from TRI to Denver Airport, you can expect the trip to take around 4 hours and 35 minutes. If this is longer than you anticipated, why not make the most of it? Read about where you’re headed, work on your itinerary and have a decent rest before the adventure starts.
What is the flight distance from Tri-Cities Regional Airport (TRI) to DIA airport?
The flight distance from Tri-Cities Airport to DIA airport is 1,250 mi. Don’t forget to bring some reading material or a crossword puzzle to make your flight more relaxing.
What airlines fly from Tri-Cities Regional Airport (TRI) to DIA airport?
Right now, no airline flies direct to Denver Airport from Tri-Cities Regional Airport (TRI). Traveling there will involve at least one stopover. Lock in your ticket early to nab the best price and connections.
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 United Airlines, Southwest Airlines or Frontier Airlines 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
Tri-Cities Regional
Traveling To
Denver Intl.
Shortest Flight Time
hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price

Route Info

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

1,462.00 miles

Airlines & Aircraft Used on TRI to DEN Flight Routes

Airline Carrier
American Airlines
Boeing 737-800 pax

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

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 Tri-Cities TRI to Denver DEN at the right price  

Airfares to Denver DEN from Tri-Cities TRI currently cost between $264 and $386. 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 Tri-Cities TRI to Denver DEN 

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 Tri-Cities TRI to Denver DEN on Travelocity starting at $262. Prices and availability subject to change. Additional terms may apply. 


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

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


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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to DEN from TRI. 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 Tri-Cities TRI to Denver DEN today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Tri-Cities TRI to Denver DEN. 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 Denver DEN from Tri-Cities TRI 

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


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