Cheap flights from London-Heathrow to Chattanooga
Cheap return flights from London-Heathrow to Chattanooga
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Chattanooga flight facts
What you need to know
What are the cheapest airlines?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines usually offer the cheapest flights from London-Heathrow to Chattanooga.
What airlines fly indirectly?
- British Airways
- Southwest Airlines
- Alaska Airlines
These airlines fly from London-Heathrow to Chattanooga, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from London-Heathrow to Chattanooga.
Alternative flights from the UK to Chattanooga
Check out prices for other routes
Alternative flights from London-Heathrow
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Heathrow/Chattanooga route. There are around 35 flights on any given week from the UK to Chattanooga and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Heathrow to Chattanooga
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Chattanooga. We've found 25 flights and compared them to give you the best offer. American Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route from London-Heathrow to Chattanooga on 02/03/2026 at 05:55 for £31.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,000 km flight from London-Heathrow to Chattanooga.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Try American Airlines for a budget-friendly option. The average flight duration is about 12 hours 30 minutes. After selecting an offer, fill out your information and proceed with payment. Don't forget to book a hotel with us or use our flight + hotel service to save time and money!
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