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Cheap Flights from Tri-Cities to Denver

Compare Tri-Cities to Denver flight deals

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Flight deals from Tri-Cities Airport to Denver

Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to Denver? If you want to travel next month, return fares start from $521. Find the lowest prices on one-way and return tickets right here.
Denver.$521 per passenger.Departing Wed, 1 Apr, returning Wed, 8 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 1 Apr, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Wed, 8 Apr, arriving in Tri-Cities.Price includes taxes and charges.From $521, select.
Denver.$618 per passenger.Departing Fri, 24 Jul, returning Sat, 1 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Fri, 24 Jul, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Sat, 1 Aug, arriving in Tri-Cities.Price includes taxes and charges.From $618, select.
Denver.$847 per passenger.Departing Wed, 23 Dec, returning Mon, 28 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 23 Dec, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Mon, 28 Dec, arriving in Tri-Cities.Price includes taxes and charges.From $847, select.
Denver.$857 per passenger.Departing Thu, 28 May, returning Sun, 31 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Thu, 28 May, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Sun, 31 May, arriving in Tri-Cities.Price includes taxes and charges.From $857, select.
Denver.$952 per passenger.Departing Sat, 28 Mar, returning Sat, 4 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Sat, 28 Mar, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Sat, 4 Apr, arriving in Tri-Cities.Price includes taxes and charges.From $952, select.
Denver.$1,316 per passenger.Departing Thu, 26 Mar, returning Mon, 30 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Thu, 26 Mar, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Mon, 30 Mar, arriving in Tri-Cities.Price includes taxes and charges.From $1,316, select.

Find the cheapest month to fly from Tri-Cities to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Denver flights are currently cheapest in April.
Mar
from $1,316
Apr
from $521
May
from $857
Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
from $847
Jan
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Feb
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Alternative Tri-Cities to Denver routes

Looking for the cheapest, fastest or easiest route from Tri-Cities to Denver? You could fly into the following airports instead.

Denver Arapahoe Co

1km from central Denver
Closest
Search flights

Broomfield

23km from central Denver
Search flights

Denver International

30km from central Denver
Cheapest
from $521
Search flights

Northern Colorado Regional

79km from central Denver
Search flights

Kingsport to Denver: Flight information

The things to know before you go.
Cheapest flight found$521
Cheapest month to flyApril

Finding cheap flights from Tri-Cities to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Tri-Cities to Denver is $521. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to Denver. But we found flights with one or more stops from $521.
As of March 2026, there are no flights flying from Tri-Cities to Denver.
The cheapest month to fly from Tri-Cities to Denver is usually April.
If you're flying from Tri-Cities Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from $521.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Denver on Wednesday, 1 April 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Denver. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, Delta offers the cheapest flight tickets to Denver.

Flying from Tri-Cities Regional Airport (TRI) to Denver: what you need to know

  • The timezone in Denver is UTC-6. The city is two hours behind Kingsport, where Tri-Cities Regional Airport is located.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your TRI to Denver flight.

  • Travelling during a peak period like public or school holidays? Expect longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • To reach TRI from central Kingsport, it takes around 25 minutes if you're planning to drive. It's roughly 16 kilometres from the airport to the city centre.

  • Looking for a hotel close to TRI? If you're catching an early flight from Tri-Cities Regional Airport to Denver, these accommodation options will put you moments from your departure lounge:

  • When it comes to the on-time performance of Tri-Cities Regional Airport, data shows 79.37% of flights meet their scheduled arrival time.

  • You'll find TRI at 2525 Tennessee 75.

How to find the cheapest flights from Tri-Cities Regional Airport (TRI) to Denver

  • The lowest price we've found for a one-way Tri-Cities Regional Airport to Denver flight is $296. The cheapest price for a return flight is $521. Keep in mind fares may change due to demand at the time of booking.

  • Booking ahead of time is often the key to securing a cheap flight from TRI to Denver. Prices tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price across every month when searching for a Tri-Cities Regional Airport to Denver ticket.

  • There's no need to check back constantly to find out if fares have dropped when you create a Price Alert. We'll update you when there's an even bigger deal on cheap flights from TRI to Denver.

  • Choose your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Tri-Cities Regional Airport to Denver by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 40 kilometres. It'll take you about 35 minutes to reach the centre driving.

  • It typically takes 1 hour 30 minutes if you're travelling by public transport.

  • Once your flight from Tri-Cities Regional Airport to Denver has touched down, unwind at a nearby hotel. Baymont by Wyndham Denver International Airport is a comfortable option that's an easy drive from DEN.

  • Go where the road takes you with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and venture far and wide through Denver and beyond.

  • Get the best deal by booking your ride from Denver International Airport about one week before your flight from TRI to Denver.

  • You'll find DEN at 8500 Pena Boulevard.

Best time to go to Denver

  • Visit Denver during the high season if you prefer a busy atmosphere, but remember that hotel prices are typically higher. Alternatively, book flights from Tri-Cities Regional Airport to Denver during low season when prices are cheaper and it's less crowded.

  • Lock in a Tri-Cities Regional Airport to Denver flight ticket with a departure in July to experience the city during its warmest month. You can expect temperatures to range from 14ºC to 32ºC.

  • January sees average temperatures of between -9ºC and 7ºC. Search for a cheap ticket from TRI to Denver around that time if you like cooler conditions.

More about Denver

Explore more of United States

  • Colorado Springs is just one of the many places in United States waiting to be explored once you've seen Denver. Around 105 kilometres away to the south, check out popular attractions including US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 161 kilometres south of Denver, Pueblo is another essential stop in United States. Get a taste of what this destination has to offer at Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

Plan the rest of your trip from Kingsport to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.