Flight Time: London Gatwick (LGW) to San Juan, Puerto Rico (SJU)

London Gatwick to San Juan: Flight Duration

Average non-stop flight time: 9 hours 35 minutes.

Key Details

• Distance: ~4,300 miles (6,920 km)
• Typical Aircraft: Boeing 777, Airbus A350, 787 Dreamliner
• Operating Airlines (Seasonal/Charter): British Airways, Virgin Atlantic, TUI, Norse Atlantic
• Time Zones: LGW (GMT/BST) → SJU (AST, UTC−4). 4–5 hour difference (UK ahead).

Variables Affecting Duration

• Wind/Jet Stream: Westbound (to Caribbean) faces headwinds → +30–60 min.
• Routing: Avoiding weather/ATC congestion.
• Layovers: Many flights connect via US (MIA, JFK) or Europe (MAD, CDG) → 12–18+ hrs total.

Tip

Book non-stop when available (winter high season). Otherwise, connect via Madrid (Iberia) or Miami (American) for shortest total time.