AirHint found the following cheapest return flights from London (LCY) to New York (JFK) in March 2026 (see full year).

Return flights

15 Mar - 23 Mar	SWISS
13 Mar - 16 Mar	SWISS
09 Mar - 20 Mar	KLM
03 Mar - 09 Mar	KLM
06 Mar - 26 Mar	KLM
06 Mar - 18 Mar	KLM
14 Mar - 25 Mar	KLM
13 Mar - 22 Mar	KLM
19 Mar - 25 Mar	KLM
06 Mar - 16 Mar	SWISS
31 Mar - 14 Apr	KLM
24 Mar - 21 Apr	Virgin Atlantic
17 Mar - 15 Apr	British Airways
25 Mar - 16 Apr	British Airways
25 Mar - 15 Apr	British Airways
31 Mar - 15 Apr	British Airways
15 Mar - 14 Apr	Virgin Atlantic
21 Mar - 16 Apr	British Airways
21 Mar - 15 Apr	British Airways
31 Mar - 05 Apr	KLM

Also check the deals for one-way flights from London to New York in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in New York

Cheap car rent in New York

Cheapest return flights from London to New York in March from 389€

Return flights