Routes
One way, per person. Fares other travellers found recently; prices change and are confirmed only when you book.
Flights to the UK from India run nonstop on Air India, British Airways and Virgin Atlantic, with our tracked route being Delhi to London. The UK is 5 hours 30 minutes behind India in winter and 4 hours 30 minutes behind in British Summer Time. Fares rise in UK summer from June to August and around Christmas and New Year.
Last checked: October 2026
Routes we track to the UK
We track the Delhi to London route, where Air India, British Airways and Virgin Atlantic all fly nonstop. That gives you three carriers on one corridor, so comparing them is straightforward. The live fare calendar on this page shows this month's lowest fares, so you can see how your travel dates compare before you commit.
Start with the nonstop options. For families visiting relatives, students starting a course and workers relocating, a single ticket on one airline removes the risk of a missed connection and keeps baggage handling simple.
If you are searching flights to the UK from Dubai, the same UK arrival points apply, and you can use the calendar to compare dates across your whole journey. If you are searching flights to the UK from within the UK, the calendar still helps you judge seasonal demand for visiting family and planning trips.
To plan your booking, follow these steps:
- Check the live fare calendar on this page to see this month's lowest fares for your dates.
- Compare Air India, British Airways and Virgin Atlantic for nonstop Delhi to London flights.
- Avoid UK summer from June to August and the Christmas and New Year period if your dates are flexible.
- Set a price alert so you are told when fares for your route move.
- Book once your dates are fixed and your passport is in order.
When fares to the UK are lowest
Fares to the UK are usually lowest outside the busy weeks. UK summer from June to August, Christmas and New Year, and the university terms starting in September and January all push demand up. The live fare calendar on this page shows this month's lowest fares, so check it before you pick dates.
For parents visiting family, late autumn and early spring often sit outside the peak periods. Students should look at dates away from the September and January term starts, when many people fly at once.
Workers with fixed start dates have less room to move, but booking early still helps. Use the 12 month fare calendar to compare months side by side, then set an alert on the dates you want.
Festivals and busy weeks
The busiest weeks for flights to the UK are UK summer from June to August, Christmas and New Year, and the university terms starting in September and January. These periods combine holiday travel with student arrivals, so seats fill earlier and fares tend to be higher. Plan around them where you can.
If you must travel in these weeks, book as early as possible and keep your dates flexible by a day or two. Families visiting for Christmas should look at flights well ahead.
Students arriving for a September or January term start should compare dates just before the term begins rather than the peak arrival days. The fare calendar helps you see which weeks are calmer.
Arriving in the UK: phone, data and entry
The UK mobile networks are EE, Vodafone, O2 and Three, with coverage up to 5G. Sort out a travel eSIM or mobile top up before you fly so you can call family, use maps and reach your accommodation on arrival. Check the official entry rules for your passport before you travel.
A travel eSIM keeps your Indian number active for calls and messages while you use data in the UK. A top up is useful if you already hold a UK number and want to keep it running.
Remember the time difference when you message home. The UK is 5 hours 30 minutes behind India in winter and 4 hours 30 minutes behind in British Summer Time, so plan calls around that.
For entry, always check the official rules for your passport before you fly. Rules can differ by passport and change over time, so confirm before booking.
Free price alerts for your trip
Set a free price alert and we will tell you when fares on your route move, so you can book at the right moment. Alerts work well alongside the live fare calendar on this page, which shows this month's lowest fares. Use both to track Delhi to London and plan around busy weeks.
Add your route, your travel window and your budget, then let the alerts do the watching. Parents can track school holiday dates, students can watch the weeks before term starts, and workers can follow their start date.
Check the calendar each month to see how fares are moving, and keep your passport and entry checks in order while you wait for the right fare.