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

You can discover cheap round-trip Delta Air Lines flights from $321 from TRI to LAS by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $209 for a one-way trip.**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.

Look for round-trip or one-way flights to Las Vegas in January or June. You could find cheaper fares with Delta Air Lines during these off-peak times.

For cheap Delta Air Lines fares from Tri-Cities Regional Airport (TRI) to Harry Reid Intl. Airport (LAS), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

To see if there’s a direct trip from TRI to LAS with Delta Air Lines or other airlines, use our “Nonstop” filter when browsing for tickets.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from TRI to LAS. Taking off early means flight cancellations are less likely.**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.

Delta Air Lines flights from Tri-Cities Regional Airport (TRI) to Las Vegas come in to Harry Reid Intl. Airport (LAS). This is the main entry point to this city.

Delta Air Lines makes flying from TRI to LAS enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Make sure you sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to change or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Want to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you need to alter your plans. To make modifications, visit “Trips,” select your flight and click on “Manage Booking” for more information.