Ottawa (YOW) to London (LGW) flights
One airline flies nonstop from Ottawa (YOW) to London (LGW): 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 YOW to LGW
- Air TransatNot in an alliance
YOW to LGW 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)Porter Airlines, then WestJet
- Via Halifax (YHZ)Air Canada and Porter Airlines, then WestJet
- Via Boston (BOS)Porter Airlines, then JetBlue Airways
- Via Paris (CDG)Air France the whole way
- Via Toronto (YYZ)Air Canada, WestJet and 1 more, then Air Transat
- Via Orlando (MCO)Air Canada and Porter Airlines, then British Airways
- Via Tampa (TPA)Porter Airlines, then British Airways
- Via Punta Cana (PUJ)Air Canada and Air Transat, then British Airways
YOW to LGW: common questions
Which airlines fly nonstop from YOW to LGW?
Air Transat flies nonstop from Ottawa (YOW) to London (LGW).
How far is Ottawa from London by plane?
Ottawa (YOW) and London (LGW) 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 YOW to LGW 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 LGW with taxes and fees.
Where can I connect between Ottawa and London?
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.