Why Book Nonstop?
Fastest Travel Time
11h 22m direct
No Layovers
Skip the connecting airport
Less Hassle
Fewer chances for delays
Single Airport
Only one security check
Check nearby airports for additional nonstop options
Consider these alternatives for more direct flight options
Best time to book
You're in or approaching a peak booking period for this corridor. Book sooner rather than later.
Booking window: 10–16 weeks before departure
Summer (Jun–Aug) and Christmas are peak. Economy fares typically rise sharply within 6 weeks.
Corridor heuristics for North America–UK corridor. These are typical patterns, not guaranteed price predictions.
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Frequently Asked Questions
Direct flights on this route may require a connection. However, one-stop options are available with convenient layovers. Total travel time is typically 11h 22m to 12h 22m.
Airlines commonly operating the Ontario to London route include AA, UA, DL, WN. Check specific schedules for nonstop availability.
A nonstop flight from Ontario (ONT) to London (LGW) takes approximately 11h 22m. Actual time may vary based on weather and flight path.
Summer (June-August) is peak season. Spring and fall offer pleasant weather with fewer crowds. For domestic US flights, booking 1-3 months in advance typically yields the best prices.
This route typically requires one connection. Total travel time is usually 11h 22m to 12h 22m depending on the connecting city.