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Cheap Flights from Tri-Cities (TRI) to Las Vegas (LASA)

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Flight deals from Tri-Cities Airport to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to Las Vegas? If you want to travel next month, return fares start from £230. Find the lowest prices on one-way and return tickets right here.
Las Vegas.£230 per passenger.Departing Wed, 22 Apr, returning Wed, 29 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 22 Apr, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Wed, 29 Apr, arriving in Tri-Cities.Price includes taxes and charges.From £230, select.
Las Vegas.£230 per passenger.Departing Sat, 1 Aug, returning Sat, 8 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Sat, 1 Aug, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sat, 8 Aug, arriving in Tri-Cities.Price includes taxes and charges.From £230, select.
Las Vegas.£231 per passenger.Departing Wed, 27 May, returning Tue, 2 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 27 May, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Tue, 2 Jun, arriving in Tri-Cities.Price includes taxes and charges.From £231, select.
Las Vegas.£307 per passenger.Departing Sun, 22 Mar, returning Wed, 25 Mar.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Tri-Cities on Sun, 22 Mar, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 25 Mar, arriving in Tri-Cities.Price includes taxes and charges.From £307, select.
Las Vegas.£312 per passenger.Departing Thu, 2 Jul, returning Mon, 6 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Thu, 2 Jul, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Mon, 6 Jul, arriving in Tri-Cities.Price includes taxes and charges.From £312, select.
Las Vegas.£312 per passenger.Departing Wed, 27 May, returning Sat, 30 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Tri-Cities on Wed, 27 May, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sat, 30 May, arriving in Tri-Cities.Price includes taxes and charges.From £312, select.
Las Vegas.£320 per passenger.Departing Thu, 30 Apr, returning Sun, 3 May.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Tri-Cities on Thu, 30 Apr, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sun, 3 May, arriving in Tri-Cities.Price includes taxes and charges.From £320, select.

Find the cheapest month to fly from Tri-Cities to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Las Vegas flights are currently cheapest in April.
Mar
from £307
Apr
from £230
May
from £312
Jun
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Jul
from £312
Aug
from £230
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Alternative Tri-Cities to Las Vegas routes

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

North Las Vegas

1 mile from central Las Vegas
Closest
Search flights

Harry Reid International

3 miles from central Las Vegas
Cheapest
from £230
Search flights

Henderson Executive

11 miles from central Las Vegas
Search flights

Boulder City Municipal

21 miles from central Las Vegas
Search flights

Kingsport to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found£230
Cheapest month to flyApril

Check out these Las Vegas hotels

Ready to plan your stay? Other travellers rate these Las Vegas hotels for cleanliness, service and location.
The Venetian Prestige Club Lounge
0.52 miles from city centre
£491
Per night
The Palazzo Prestige Club Lounge
0.64 miles from city centre
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Element Las Vegas Symphony Park
3.94 miles from city centre
£104
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The Venetian Prestige Club Lounge
0.52 miles from city centre
£491
Per night
The Palazzo Prestige Club Lounge
0.64 miles from city centre
£463
Per night
Element Las Vegas Symphony Park
3.94 miles from city centre
£104
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Explore top-rated hotels

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Tri-Cities to Las Vegas is £230. 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 Las Vegas. But we found flights with one or more stops from £230.
As of March 2026, there are no flights flying from Tri-Cities to Las Vegas.
The cheapest month to fly from Tri-Cities to Las Vegas is usually April.
If you're flying from Tri-Cities Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 2.7 miles away from the centre of Las Vegas. We've found flights into this airport from £230.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Las Vegas on Wednesday, 22 April 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Las Vegas. 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 Las Vegas 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 Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 11°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Delta offers the cheapest flight tickets to Las Vegas.

Travelling from Tri-Cities Regional Airport (TRI) to Las Vegas: what you need to know

  • The timezone in Las Vegas is UTC-7. The city is three hours behind Kingsport, where Tri-Cities Regional Airport is located.

  • Allow plenty of time to catch your TRI to Las Vegas flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like school or public holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Central Kingsport to TRI is around 10 miles. Depending on traffic, it'll take about 25 minutes to reach there if you're driving, ride-sharing or catching a cab.

  • Want a hassle-free start to your trip? Stay near TRI. Whether you have an early flight from Tri-Cities Regional Airport to Las Vegas or just don't want to be rushed, these hotels are a convenient choice:

  • 79.37% of flights that take off from Tri-Cities Regional Airport touch down at their destination on schedule.

  • You'll find TRI at 2525 Tennessee 75.

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

  • £82 is currently the best price for a one-way Tri-Cities Regional Airport to Las Vegas flight. Return plane tickets start at £230. These prices may change depending on demand.

  • To find cheap flights from TRI to Las Vegas, book early. Airlines typically offer the most competitive fares when tickets are first released.

  • If you have flexibility with your trip dates, make the most of the 'Whole month' tool. It'll find the lowest price across each month when searching for a Tri-Cities Regional Airport to Las Vegas ticket.

  • You don't need to keep checking in to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an extra saving on cheap flights from TRI to Las Vegas.

  • Tailor your trip with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Tri-Cities Regional Airport to Las Vegas.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to the centre of Las Vegas takes around 15 minutes by car. The centre is roughly 12 miles away.

  • Getting to the centre by public transport will take you around 1 hour.

  • If you're arriving on a late flight from Tri-Cities Regional Airport to Las Vegas, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near LAS:

  • Travel at your own speed with a Harry Reid Airport (formerly McCarran Airport) rental car. Book your wheels from Dollar, Thrifty or Alamo and chase adventure across Las Vegas and beyond.

  • Reserving your vehicle from Harry Reid Airport (formerly McCarran Airport) about one week in advance of your flight from TRI to Las Vegas can help you get the best possible rate.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Before securing your flights from Tri-Cities Regional Airport to Las Vegas, consider which time of year is best for you. High season in Las Vegas offers a bustling atmosphere and plenty of things to do, while low season means you'll get cheaper deals on hotels and fewer crowds.

  • Book a Tri-Cities Regional Airport to Las Vegas plane ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 42ºC (108ºF).

  • January sees average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Search for a cheap ticket from TRI to Las Vegas around that time if you like travelling in cooler conditions.

More about Las Vegas

  • When it comes to searching for somewhere to lay your head, you'll find the top stays in Las Vegas right here. Explore these hotels after you've booked your flight from Tri-Cities Regional Airport to Las Vegas:

  • There are so many things to do and see in this city it can be tricky to work out where to begin. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are highlights which should feature on every Las Vegas itinerary.

Explore more of United States

  • Las Vegas will leave a lasting impression, but there are so many other parts of United States waiting to be explored. Around 230 miles south-west of Las Vegas, a trip to Los Angeles will keep you on the move. Start with leading attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another essential stop in United States and is around 260 miles south-east of Las Vegas. No journey is complete without a visit to Desert Botanical Garden, Heard Museum and Papago Park.

Plan the rest of your trip from Kingsport to Las Vegas

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