Cheap Flights from Tri-Cities (TRI) to London (LOND)

Compare Tri-Cities to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Tri-Cities to London

Looking for a cheap last-minute deal or the best return flight from Tri-Cities to London? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to London flights are currently cheapest in May.

Alternative Tri-Cities to London routes

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

Kingsport to London: Flight information

The things to know before you go.
Cheapest flight found£451
Cheapest month to flyFebruary

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

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Tri-Cities to London is £451. 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 London. But we found flights with one or more stops from £451.
As of January 2026, there are no flights flying from Tri-Cities to London.
The cheapest month to fly from Tri-Cities to London is usually February.
If you're flying from Tri-Cities Airport, the cheapest airport near London is London Heathrow – which is 14.2 miles away from the centre of London. We've found flights into this airport from £451.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to London on Sunday, 22 February 2026.
No airlines currently offer direct flights between Tri-Cities Airport and London. 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around 4°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Delta offers the cheapest flight tickets to London.

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

  • Tri-Cities Regional Airport is located in Kingsport. Following the UTC+0 timezone, London is four hours ahead of Kingsport.

  • Give yourself plenty of time to make your TRI to London flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak period like public or school holidays? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • To get to TRI from central Kingsport, it'll take around 25 minutes if you're planning to drive. It's roughly 10 miles from the airport to the city centre.

  • Catching an early flight from Tri-Cities Regional Airport to London? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels close to TRI:

  • Of all flights departing from Tri-Cities Regional Airport, 79.37% land on time at their destination.

  • TRI's address is 2525 Tennessee 75.

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

  • £340 is the lowest price we've seen for a one-way Tri-Cities Regional Airport to London flight. A return ticket right now is £451. Depending on when and how early you book, these fares can change.

  • Don't leave everything to the last minute. You're more likely to land cheap flights from TRI to London if you book ahead. Airlines often have some excellent early bird rates.

  • If you have flexibility with your travel dates, make the most of the 'Whole month' search tool. It'll find the cheapest price across every month when searching for your Tri-Cities Regional Airport to London ticket.

  • Snapping up a cheap flight from TRI to London is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as a better deal is available.

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

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 19 miles from central London. If you're getting a cab or a ride-share, the drive takes roughly 55 minutes.

  • Getting there on public transport takes about 1 hour.

  • If you have a late flight from Tri-Cities Regional Airport to London, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these hotels near LHR:

  • Go where the road takes you with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and see more of London and beyond.

  • Reserving your ride from London Heathrow Airport about one week before your flight from TRI to London can help you lock in the lowest rate.

London Gatwick Airport (LGW)

  • Once your flight from Tri-Cities Regional Airport to London has arrived, you can make your way to the city centre in around 1 hour 20 minutes by car. Central London is roughly 50 miles from London Gatwick Airport (LGW).

  • You can expect the trip to take roughly 30 minutes on public transport.

  • Following your TRI to London flight, unwind at a hotel near LGW. These are some comfortable options that'll help you switch to relaxation mode:

  • The quickest way to reach your destination is with a London Gatwick Airport rental car. Grab a set of wheels from Green Motion, U-Save or Drivalia and be off and running.

  • Call dibs on the best options. Reserving your ride from LGW three weeks ahead of time often means more savings and a wider choice of vehicles.

Stansted Airport (STN)

  • Stansted Airport (STN) is around 40 miles from central London. It'll take you about 1 hour to get to the city centre by cab or ride-share once you've stepped off your flight from Tri-Cities Regional Airport to London.

  • Public transport will get you there in roughly 1 hour 25 minutes.

  • Enjoy an unhurried start to your break by choosing a hotel near STN after your TRI to London flight. Recover from your travel day or simply give yourself time to get your bearings in a new city at:

  • Be in the driver's seat of the next part of your journey by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar make getting on the road effortless.

  • If you're looking for a vehicle with specific features, lock in your ride from STN about four weeks before your flight from Tri-Cities Regional Airport to London. This gives you a higher chance of getting the car you want, as well as a better deal.

Best time to go to London

  • Plan your trip to London in peak season if you want a bustling atmosphere, but remember that prices may be higher. Alternatively, book your flights from Tri-Cities Regional Airport to London in the low season when prices are cheaper and crowds are smaller.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your Tri-Cities Regional Airport to London plane ticket then if that's your definition of good weather.

  • Look for cheap tickets from TRI to London in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • After booking your flight from Tri-Cities Regional Airport to London, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring London:

  • The British Museum and Big Ben are a couple of leading attractions to add to your London travel itinerary. Keep the adventure rolling by checking out Buckingham Palace.

Explore more of United Kingdom

  • London has plenty to offer, but there are so many other parts of United Kingdom you'll want to see. Around 100 miles north-west of London, a trip to Birmingham will keep your itinerary packed. Start with attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another must-experience destination in United Kingdom and is around 110 miles west of London. No trip is complete without experiencing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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