Cheap flights from London-Heathrow to Lucknow
Cheap return flights from London-Heathrow to Lucknow
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Lucknow flight facts
What you need to know
What are the cheapest airlines?
- Air India
- British Airways
- IndiGo
These airlines usually offer the cheapest flights from London-Heathrow to Lucknow.
What airlines fly indirectly?
- Qatar Airways
- Emirates
- Etihad Airways
These airlines fly from London-Heathrow to Lucknow, 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 Lucknow.
Alternative flights from the UK to Lucknow
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/Lucknow route. There are around 35 flights on any given week from the UK to Lucknow 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 Lucknow
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Lucknow. We've found 25 flights and compared multiple offers to get you the best deal. Air India is, on average, the cheapest for this route. Look out for their offers! The cheapest offer we've found is a one-way ticket for the route London-Heathrow to Lucknow on 10/07/2026 at 18:00 for £39.
We've scanned hundreds of airfares from various airlines across the globe. We've found 10 airlines that operate the 6700 km flight from London-Heathrow to Lucknow.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Traveling during off-peak seasons can also help. A popular and affordable airline for this route is Air India, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
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