London (LGW) to Ottawa (YOW) flights
One airline flies nonstop from London (LGW) to Ottawa (YOW): Air Transat. The two airports are 3,342 miles (5,379 km) apart. There are also 9 ways to fly it with one stop, through Montreal, St. John's and Halifax and more.
Airlines flying nonstop from LGW to YOW
- Air TransatNot in an alliance

LGW to YOW with one stop
9 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Montreal (YUL)Air Transat the whole way


PP - Via St. John's (YYT)WestJet, then Porter Airlines


- Via Halifax (YHZ)WestJet, then Air Canada and Porter Airlines



- Via Boston (BOS)JetBlue Airways, then Porter Airlines


- Via Paris (CDG)Air France the whole way



- Via Toronto (YYZ)Air Transat, then Air Canada, WestJet and 1 more




- Via Orlando (MCO)British Airways, then Air Canada and Porter Airlines



- Via Tampa (TPA)British Airways, then Porter Airlines


- Via Punta Cana (PUJ)British Airways, then Air Canada and Air Transat



LGW to YOW: common questions
Which airlines fly nonstop from LGW to YOW?
Air Transat flies nonstop from London (LGW) to Ottawa (YOW).
How far is London from Ottawa by plane?
London (LGW) and Ottawa (YOW) are 3,342 miles (5,379 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does LGW to YOW cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LGW to YOW with taxes and fees.
Where can I connect between London and Ottawa?
The most direct connections are through Montreal (YUL), St. John's (YYT), Halifax (YHZ), Boston (BOS) and Paris (CDG). On 2 of them the same airline flies both flights, for example Air Transat 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.