$271 Cheap Flights from Delhi (DEL) to London (LHR)

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Find available prices by choosing your travel dates.

Cheap Flights from Delhi to London (DEL-LHR)

Prices were available within the past 7 days and start at $271 for one-way flights and $533 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Air India
Air Astana
Air Canada
LOT-Polish Airlines
Lufthansa
British Airways
Air France
Virgin Atlantic
KLM
Flights from Delhi (DEL) to London (LHR)
Origin airport
Indira Gandhi Intl.
Destination airport
Heathrow
Airlines serving
Air France, Air India, British Airways, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, Gulf Air, KLM, Kuwait Airways, LOT-Polish Airlines, Lufthansa, Oman Air, Qatar Airways, Saudia, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, Virgin Atlantic
Roundtrip price
$533
Distance
4181 mi

Delhi to London Flights

The cheapest times to fly from Delhi to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Delhi to London are during the month of July. You can find some of the cheapest flights from Delhi to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Delhi to London

Sunday is one of the best days to book for cheap flights from Delhi to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Delhi to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Delhi to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $271 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Delhi to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Delhi to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from DEL to Heathrow Airport?
Purchase a ticket with Air India and you’ll be in the air for approximately 9 hours and 15 minutes. This reputable airline operates a direct flight that leaves at 2:45AM from Indira Gandhi Intl. Airport (DEL) and reaches LHR at 7:30AM. Expedia has some great flight deals, so take a look at what’s on offer on this route today.
Is it cheaper to buy a plane ticket from Delhi Airport to Heathrow Airport (LHR) last minute?
Booking your trip from DEL to Heathrow Airport at the last minute could save you a pretty penny if you happen to find an awesome deal. However, fares don’t typically get cheaper as the date of departure nears. If you wait, flights could also be booked out or the best seats taken (because who wants the middle seat?). If you don’t want to hedge your bets, book well ahead of your departure date. It’s worth noting that some of the best deals can be found up to 12 months in advance. If your favorite carrier hasn’t released its airfares yet, check back regularly as deals are constantly updated on Expedia.
What airline has the least delays from Delhi Airport to Heathrow Airport (LHR)?
If you’d prefer not to be stuck at the airport — or worse, have your vacation upended because of a flight delay — opt for Air India. Around 86% of its Delhi Airport to Heathrow Airport (LHR) services are on time. You can look up your flight status before leaving for the airport through the free Expedia App. It’ll also provide you with real-time notifications about other helpful info, such as changes to your gate number and directions to your hotel. Think of it as a travel companion that fits in your pocket!
What airports do you fly into for London from Delhi?
Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW) are your choices when connecting from Delhi to London. About 14 mi west of the center of London, Heathrow Airport (LHR) is the city’s main entry point. Keep in mind things like flight schedules and the distance to your hotel before you select an airport. Big Ben and Buckingham Palace are a couple of great attractions to visit when you arrive.
What are the most popular departure times for flights from Indira Gandhi Intl. Airport (DEL) to Heathrow Airport (LHR)?
The most popular departure times for flights from Delhi Airport to London Heathrow are between 2:00 AM - 3:00 AM on Air India. One handy tip is to head off in the morning. The earlier you set off, the better your odds of a delay-free flight with lighter air traffic around.
Can I change the date of my flight from Indira Gandhi Intl. Airport (DEL) to Heathrow Airport?
Plans can change, so Expedia is here to help make things easy. To start, find your Delhi Airport to London Heathrow itinerary through the Expedia Trips portal and look up the fare rules about change fees or other charges. If you booked your fare in the last 24 hours, some airlines will let you cancel for free and book new flights. If you booked your fare more than 24 hours ago, get in touch with us through our Customer Service portal so we can help you further.

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*Available to One Key members.