Ottawa (YOW) to London (LHR) flights
One airline flies nonstop from Ottawa (YOW) to London (LHR): Air Canada. The two airports are 3,322 miles (5,347 km) apart. Air Canada is in Star Alliance. There are also 14 ways to fly it with one stop, through Montreal, Halifax and Boston and more.
Airlines flying nonstop from YOW to LHR
- Air CanadaStar Alliance · bookable with 12 programsWho books it
Book YOW to LHR with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada
- Air New Zealand AirpointsBooks Air Canada
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Lufthansa Miles & MoreBooks Air Canada
- Singapore Airlines KrisFlyerBooks Air Canada
- TAP Miles&GoBooks Air Canada
- Thai Royal Orchid PlusBooks Air Canada
- Turkish Airlines Miles&SmilesBooks Air Canada
- United MileagePlusBooks Air Canada
YOW to LHR with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Montreal (YUL)Air Canada the whole way
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- Via Halifax (YHZ)Air Canada the whole way
- Via Boston (BOS)Porter Airlines, then British Airways, Delta Air Lines and 3 more
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- Via Paris (CDG)Air France the whole way
- Via Toronto (YYZ)Air Canada the whole way
- Via New York (EWR)United Airlines the whole way
- Via Dulles (IAD)United Airlines the whole way
- Via Chicago (ORD)United Airlines the whole way
- Via Orlando (MCO)Air Canada and Porter Airlines, then Virgin Atlantic
- Via Tampa (TPA)Porter Airlines, then Virgin Atlantic and British Airways
- Via Nassau (NAS)Air Canada and Porter Airlines, then British Airways
- Via Miami (MIA)Porter Airlines, then American Airlines, British Airways and 1 more
- Via Calgary (YYC)Air Canada and WestJet the whole way
- Via Montego Bay (MBJ)Air Canada and Porter Airlines, then Virgin Atlantic
YOW to LHR: common questions
Which airlines fly nonstop from YOW to LHR?
Air Canada (Star Alliance) flies nonstop from Ottawa (YOW) to London (LHR).
How far is Ottawa from London by plane?
Ottawa (YOW) and London (LHR) are 3,322 miles (5,347 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YOW to LHR award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does YOW to LHR cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YOW to LHR with taxes and fees.
Where can I connect between Ottawa and London?
The most direct connections are through Montreal (YUL), Halifax (YHZ), Boston (BOS), Paris (CDG) and Toronto (YYZ). On 8 of them the same airline flies both flights, for example Air Canada through Montreal.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.