Direct flights from Ottawa to London

Did you mean Flights from London to Ottawa?

Ottawa

Canada

YOW

Ottawa Macdonald-Cartier International Airport

London

United Kingdom

LHR

London Heathrow Airport

Route: Nonstop service available
Distance: 3,322 miles
Marketing airlines: 9 airlines
Aircraft: 2 aircraft types
Dates: Oct 24, 2026 – Oct 14, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

Ottawa to London route overview

Ottawa Macdonald-Cartier International Airport (YOW) serves Ottawa; London Heathrow Airport (LHR) serves London.

The airports are 3,322 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from YOW to LHR.

Marketing airlines listed in the current schedule, including codeshare sellers, are Aegean Airlines (A3), Air Canada (AC), Lufthansa (LH), Middle East Airlines (ME), Austrian Airlines (OS), Croatia Airlines (OU), TAP Portugal (TP), United Airlines (UA) and SriLankan Airlines (UL). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 24, 2026 – Oct 14, 2027.

Marketing airlines on the Ottawa to London route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.