Cheap Flights from Delhi Indira Gandhi International to London Heathrow

Compare Delhi Indira Gandhi International to London Heathrow flight deals

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

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Flight deals from Delhi Indira Gandhi International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Delhi Indira Gandhi International to London Heathrow? Find the lowest prices on one-way and return tickets right here.
Map with a flight path from Delhi Indira Gandhi International to London Heathrow. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest deal$869
Cheapest monthFebruary
Average flight duration10 hours and 5 minutes
Most popular airlineAir India

Find the cheapest month to fly from Delhi Indira Gandhi International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Delhi Indira Gandhi International to London Heathrow flights are currently cheapest in February.

Direct flights from Delhi Indira Gandhi International to London Heathrow

Delhi Indira Gandhi International to London Heathrow: Alternative routes

Compare routes from Delhi Indira Gandhi International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Finding cheap flights from Delhi Indira Gandhi International to London Heathrow: Frequently asked questions

The best price we found for a return flight from Delhi Indira Gandhi International to London Heathrow is $869. 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.
10 hours and 5 minutes is the average flight time from Delhi Indira Gandhi International to London Heathrow.
Air India, American Airlines and British Airways fly direct from Delhi Indira Gandhi International to London Heathrow.
As of December 2025, there are 145 flights per week flying from Delhi Indira Gandhi International to London Heathrow.
The cheapest month to fly from Delhi Indira Gandhi International to London Heathrow is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Delhi Indira Gandhi International Airport to London Heathrow Airport on Sunday, 8 February 2026.
Yes – the average flight time is 10 hours and 5 minutes.
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 Heathrow 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.
Currently, Finnair and British Airways offer the cheapest flight tickets to London Heathrow.

Flying from Indira Gandhi International Airport (DEL) to London Heathrow Airport (LHR): what you need to know

  • The average time for a direct flight from Indira Gandhi International Airport to London Heathrow Airport is 9 hours 40 minutes.

  • London is five hours 30 minutes behind New Delhi and follows the UTC+0 timezone.

  • Flights from DEL to LHR start from 01:35 — the earliest with British Airways. The last service of the day is at 15:15 with Air India. In total, you can take your pick of 72 weekly Indira Gandhi International Airport to London Heathrow Airport flights.

  • Give yourself plenty of time to make your DEL to LHR flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • You can travel nonstop to London, United Kingdom. Prepare for takeoff with one of these carriers that operate direct flights from Indira Gandhi International Airport to London Heathrow Airport:

  • Air India is the top choice for travellers on this route.

  • Virgin Atlantic is a leader in on-time performance for DEL to LHR flights, with 92.56% of services landing as scheduled.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Indira Gandhi International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Some great stopovers between DEL and LHR include:

    • Copenhagen Airport

    • Franz Josef Strauss Airport

    • Frankfurt Airport

How to find the cheapest flights from Indira Gandhi International Airport (DEL) to London Heathrow Airport (LHR)

  • At the moment, $341 is the lowest price we've seen for a one-way Indira Gandhi International Airport to London Heathrow Airport flight. The best price for a return ticket is $869. Keep in mind that fares can change due to availability at the time of booking.

  • To score cheap tickets from DEL to LHR, reserve your journey 11 months ahead of your departure date.

  • The cheapest month for flights from Indira Gandhi International Airport to London Heathrow Airport is October. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • Spend less time searching for cheap flights from DEL to LHR by creating a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Indira Gandhi International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Indira Gandhi International Airport (DEL)

  • When it comes to the on-time performance of Indira Gandhi International Airport, data shows 67.17% of flights stick to their scheduled arrival time.

  • Indira Gandhi International Airport is around 11 kilometres from central New Delhi. If you're driving, ride-sharing or catching a cab from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 55 minutes when using public transport.

  • Get your journey off to a stress-free start by staying near DEL. Whether you're taking an early flight from Indira Gandhi International Airport to London Heathrow Airport or want to avoid feeling rushed, these stays are ideal:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to reach the centre driving.

  • It takes roughly 1 hour if you're travelling on public transport.

When to fly to London Heathrow Airport (LHR)

  • July is the busiest month for flights from Indira Gandhi International Airport to London Heathrow Airport. For a quieter experience, go to London in February.

  • The warmest month in London is July, with the temperature ranging between 11ºC and 26ºC. Book your flights from Indira Gandhi International Airport to London Heathrow Airport in this month if this is the type of weather you like.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from DEL to LHR in January. Temperatures average between 0ºC and 9ºC then.

Explore more of United Kingdom

  • You've visited London, now it's time to discover other parts of United Kingdom. Travel about 161 kilometres north-west to Birmingham to check off its must-visit sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.

  • Bristol is another favourite destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without a visit to 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.