Ottawa to London, UK – $676 CAD roundtrip including taxes [Nonstop Flights]

Air Transat has dropped the price of their flights from Ottawa to London, UK down to $676 CAD roundtrip including taxes.

The flights are nonstop both ways and in and out of London Gatwick (LGW).

Canadians require an ETA to visit the UK (20 pounds, valid for 2 years or until your passport expires).

Availability for travel

May, June 2026

How to find and book this deal

1. Start with the following Google Flights search:

Google Flights: Ottawa to London, UK

– Click on the departure date box to open up the calendar view.

– Explore for the cheapest dates by adjusting the trip length at the bottom.

– Look for the dates that are $738 roundtrip

2. Go to Skyscanner

3. Search for a flight from Ottawa (YOW) to London, UK (LGW)

– Try the same dates you found on Google Flights.

screenshot from Skyscanner

Sign up for YOW Deals Alerts from Ottawa

Go to the Alerts Page to sign up for flight deal alerts by e-mail, Facebook, or Twitter.

Travellers from Ottawa also often sign up for alerts from Montreal and Toronto

Live deal discussion & travel advice

For live discussion of this deal, or to get some amazing travel advice (about anywhere) from your 12,000 fellow passengers in Ottawa, join us in the
YOW Deals Facebook Group.
^^ click the ‘Join Group’ button when you arrive.

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