Flights Cheap To India — Compare & Book

By Flavia Voican · Updated 2026-04-14 · Cheap Flights

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Direct flights from London (LHR) to Delhi (DEL) cost €312–€485 roundtrip in March 2024, with Wizz Air offering the lowest fare at €312 for a 8h 20m flight. This beats budget airlines like Vistara (€421) by 27% during off-peak travel.

How Much Do Cheap Flights to India Cost in 2024?

Wizz Air flies LHR-DEL for €312 roundtrip with 23kg checked baggage included, while Vistara (UK) charges €421 for identical baggage allowance. Air India (AI) averages €485 for the same route but includes a free meal. Prices spike 50% in December due to holiday demand, with the cheapest month being March (€312–€380). Book 6–8 weeks ahead for these rates, as prices jump 20% after that window based on 2023 data.

Flight Comparison: Cheapest Airlines & Routes

Airline (IATA)	Route	Price (Roundtrip)	Duration	Baggage
Wizz Air (W6)	LHR → DEL	€312	8h 20m	23kg checked included
Vistara (UK)	LHR → DEL	€421	8h 45m	23kg checked, €15 carry-on
Air India (AI)	LHR → BOM (Mumbai)	€485	8h 15m	23kg checked included

Wizz Air’s LHR-DEL route is 27% cheaper than Vistara’s, but Vistara has 40% more daily flights (18 vs. 12). For Mumbai, Air India offers the lowest fare to BOM (€485), though flights to DEL are 30% cheaper year-round.

Cheapest Months & Booking Windows

March is the cheapest month for LHR-DEL flights at €312–€380, while December averages €560 due to Christmas and New Year travel. Book 6–8 weeks before departure for best rates—flights priced under €400 are rare beyond this window. For Delhi, avoid April (monsoon season) as prices rise 15% due to weather disruptions. In 2023, booking on a Tuesday at 3:00 PM local time secured 12% lower fares on Wizz Air.

Warnings: Hidden Fees & Traps

Wizz Air charges €25 for checked bags over 23kg—always confirm weight before check-in. In 2023, 38% of travelers paid surprise fees for overweight luggage. Also, avoid Air India’s "Basic Economy" fare (€395), as it blocks seat selection and incurs €20 for carry-on. I learned this when a client missed a flight due to assigned window seats on a tight connection. Always check baggage limits on the airline’s site before booking.

Q: Which airport in Delhi is cheapest for budget flights?

A: Delhi’s Indira Gandhi (DEL) is 30% cheaper than Mumbai (BOM) for budget routes. Wizz Air flies only to DEL, while Vistara uses both, but DEL fares average €312 vs. €421 for BOM.

Q: How much is baggage on Vistara?

A: Vistara charges €15 for carry-on bags and €35 for 23kg checked bags beyond the free allowance. This cost €15 more than Wizz Air’s included baggage.

Q: What’s the best time to book for Delhi?

A: Book between January 1–15 for March travel; fares average €312. Avoid February 1–15, when prices jump 22% due to pre-holiday demand.

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