$209 Cheap Delta flights Las Vegas (LAS) to Tri-Cities (TRI)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines return flights from $311 from LAS to TRI. Affordable one-way fares from $209 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to jet away to Blountville with Delta Air Lines. You could also find great prices on one-way and return fares in February.

Start searching one to three months ahead of your departure date to score cheap fares on Delta Air Lines flights from Harry Reid Intl. Airport (LAS) to Tri-Cities Regional Airport (TRI). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Select our “Nonstop” filter when searching for direct Delta Air Lines flights from LAS to TRI. You can also compare other carriers servicing the same nonstop trip.

Browse Delta Air Lines’s earliest flights from LAS to TRI by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Tri-Cities Regional Airport (TRI) is the primary Blountville hub for Delta Air Lines flights from Harry Reid Intl. Airport (LAS).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a top choice for many passengers heading from LAS to TRI. Plus, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when looking for flights. For additional information on changing or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”