Cheap flights from London-Gatwick to Ottawa
Cheap return flights from London-Gatwick to Ottawa
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Ottawa flight facts
What you need to know
What are the cheapest airlines?
- Air Transat
- WestJet
- British Airways
These airlines usually offer the cheapest flights from London-Gatwick to Ottawa.
What airlines fly indirectly?
- Air Canada
- American Airlines
- United Airlines
These airlines fly from London-Gatwick to Ottawa, but you’ll have at least one layover.
How long is the flight?
7 hours 30 minutes
This is the shortest flight time from London-Gatwick to Ottawa.
Alternative flights from the UK to Ottawa
Check out prices for other routes
Alternative flights from London-Gatwick
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Gatwick/Ottawa route. There are around 35 flights on any given week from the UK to Ottawa and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Gatwick to Ottawa
Tips and advice from our flight experts
You've searched for flights from London-Gatwick to Ottawa. We've found 15 flights and compared them to give you the best offers. Air Transat is, on average, the cheapest airline for this route. Look out for them! The cheapest offer we've found is a one-way ticket for £63 from London-Gatwick to Ottawa on 20/06/2026 at 13:45.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 8 airlines that operate the 5,500 km flight from London-Gatwick to Ottawa.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The low season is typically from November to March. Air Transat often has great deals, and the average flight duration is around 7 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Ottawa
Where other people are flying to
