Cheap Flights from Dehradun (DED) to Tri-Cities (TRI)

Get a cheap one-way flight or cheap return flight from Jolly Grant Airport (DED) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.

The cheapest month to fly from DED to TRI is , when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.

To find the cheapest airline flying from DED to TRI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.

Nonstop flights from Jolly Grant Airport (DED) to Tri-Cities Regional Airport (TRI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."

Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number 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.

To land at Tri-Cities Regional Airport (TRI) without delays, pick a flight that leaves Jolly Grant Airport (DED) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.*

*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.

Booking your ticket from DED to TRI shortly before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.

You'll typically save money by securing a DED to TRI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, you can add extras like tours, activities and car rentals.

If you reserved your DED to TRI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.