Cheap Flights from London to Ontario
Cheap Flights from London to Ontario
Looking for cheap flights from London to Ontario? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from London to Ontario vary by season, cabin, and date, but available award flights can start around 50,000–88,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from London to Ontario for specific travel dates.
2026-11-24
LHR - ONT
Premium Economy | 1 Stop | 9+ left
From 50,000 Pts + $417.5
2026-11-10
LHR - ONT
Business | 2 Stops | 5 left
From 80,000 Pts + $424.2
2026-11-09
LHR - ONT
Business | 2 Stops | 5 left
From 80,000 Pts + $443.7
2026-11-09
LHR - ONT
Business | 2 Stops | 5 left
From 80,000 Pts + $443.7
2026-11-11
LHR - ONT
Business | 2 Stops | 5 left
From 88,000 Pts + $425.6
2026-11-11
LHR - ONT
Business | 2 Stops | 5 left
From 88,000 Pts + $425.6
London to Ontario flight facts
Distance
5,416 mi
8,716 km in a straight line
Estimated flight time
about 11h 15m
In the air, for the straight-line distance
Time difference
−8h
Ontario is 8 hours behind London.
Airports in London
LCY · London City
LGW · London Gatwick
LHR · London Heathrow
LTN · London Luton
STN · London Stansted
Airports in Ontario
ONT · Ontario Intl
Nearby airport alternatives
Flights London - Santa Ana · Santa Ana is 30 mi from Ontario
Flights London - Los Angeles · Los Angeles is 47 mi from Ontario
Flights London - San Diego · San Diego is 94 mi from Ontario
Flights London - Santa Barbara · Santa Barbara is 130 mi from Ontario
Premium cabin flights from London to Ontario
Premium cabin
2026-12-11
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1634.1
Premium cabin
2026-11-09
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1634.4
Premium cabin
2026-11-14
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1634.4
Premium cabin
2026-12-11
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1640.3
Premium cabin
2026-12-11
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1640.3
Premium cabin
2026-12-11
LHR - ONT
Business | 1 Stop
From 111,100 Pts + $1645.2
Selected hotels for your next stay
Hollywood (United States)
Dream Hollywood
From 15,000 Pts or $267
Los Angeles (United States)
Hotel Figueroa
From 15,000 Pts or $189
Newport Beach (United States)
Hyatt Regency Newport Beach
From 15,000 Pts or $249
Frequently Asked Questions
The cheapest route from London to Ontario depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from London to Ontario.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from London to Ontario.
London and Ontario are about 5,416 miles (8,716 km) apart in a straight line.
Flying the 5,416-mile straight-line distance takes about 11h 15m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Ontario is 8 hours behind London.
Departures from London: London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Stansted (STN). Arrivals in Ontario: Ontario Intl (ONT).
Travelers searching this route also look at other popular routes into Ontario, plus the return trip when we track it. Fares and award space change daily.
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