Cheap Flights from Ottawa International to London Gatwick

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Travellers and cabin class, 1 Adult, Economy

Compare Ottawa International to London Gatwick flight deals

Find the cheapest month or even day of the year to fly to London Gatwick

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Flight deals from Ottawa International to London Gatwick

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to London Gatwick Airport? If you want to travel next month, return fares start from Rs144,103. Find the lowest prices on one-way and return tickets right here.

London.Rs70,054 per passenger.Departing Sun, 27 Sep.One-way flight with Air Transat.Outbound indirect flight with Air Transat, departs from Ottawa International on Sun, 27 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs70,054, select.

London.Rs71,042 per passenger.Departing Sun, 27 Sep.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Ottawa International on Sun, 27 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs71,042, select.

London.Rs72,301 per passenger.Departing Fri, 23 Oct.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Ottawa International on Fri, 23 Oct, arriving in London Gatwick.Price includes taxes and charges.From Rs72,301, select.

London.Rs93,671 per passenger.Departing Wed, 9 Dec.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 9 Dec, arriving in London Gatwick.Price includes taxes and charges.From Rs93,671, select.

London.Rs93,843 per passenger.Departing Mon, 16 Nov.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Mon, 16 Nov, arriving in London Gatwick.Price includes taxes and charges.From Rs93,843, select.

London.Rs106,692 per passenger.Departing Wed, 27 Jan.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 27 Jan, arriving in London Gatwick.Price includes taxes and charges.From Rs106,692, select.

London.Rs110,223 per passenger.Departing Tue, 9 Feb.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Tue, 9 Feb, arriving in London Gatwick.Price includes taxes and charges.From Rs110,223, select.

London.Rs123,403 per passenger.Departing Wed, 26 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 26 May, arriving in London Gatwick.Price includes taxes and charges.From Rs123,403, select.

London.Rs127,433 per passenger.Departing Tue, 1 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 1 Jun, arriving in London Gatwick.Price includes taxes and charges.From Rs127,433, select.

London.Rs128,431 per passenger.Departing Fri, 30 Apr.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 30 Apr, arriving in London Gatwick.Price includes taxes and charges.From Rs128,431, select.

London.Rs129,709 per passenger.Departing Mon, 19 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Mon, 19 Jul, arriving in London Gatwick.Price includes taxes and charges.From Rs129,709, select.

London.Rs130,624 per passenger.Departing Wed, 31 Mar.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 31 Mar, arriving in London Gatwick.Price includes taxes and charges.From Rs130,624, select.

London.Rs146,747 per passenger.Departing Sun, 1 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 1 Aug, arriving in London Gatwick.Price includes taxes and charges.From Rs146,747, select.

London.Rs244,095 per passenger.Departing Wed, 1 Sep.One-way flight with Air France.Outbound indirect flight with Air France, departs from Ottawa International on Wed, 1 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs244,095, select.

Find the cheapest month to fly from Ottawa International to London Gatwick

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to London Gatwick flights are currently cheapest in September.

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Direct flights from Ottawa International to London Gatwick

Ottawa International to London Gatwick: Alternative routes

Compare routes from Ottawa International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

Ottawa to London: Flight information

The things to know before you go.

Cheapest flight found	Rs70,054
Cheapest month to fly	September
Average flight time	7 hrs, 15 mins
Most popular airline	Porter Airlines
Average flights per week	7

Finding cheap flights from Ottawa International to London Gatwick: Frequently asked questions

How much are return flights from Ottawa International to London Gatwick?

The best price we found for a return flight from Ottawa International to London Gatwick is Rs143,470. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Ottawa International to London Gatwick?

7 hours and 15 minutes is the average flight time from Ottawa International to London Gatwick.

Which airlines fly direct from Ottawa International to London Gatwick?

Porter Airlines and Air Transat fly direct from Ottawa International to London Gatwick.

How many flights are there a week from Ottawa International to London Gatwick?

As of September 2026, there are 7 flights per week flying from Ottawa International to London Gatwick.

When is the cheapest time to fly from Ottawa International to London Gatwick?

The cheapest month to fly from Ottawa International to London Gatwick is usually September.

Which upcoming date is cheapest to fly from Ottawa International Airport to London Gatwick Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to London Gatwick Airport on Sunday, 27 September 2026.

Can I get a direct flight from Ottawa International Airport to London Gatwick Airport?

Yes – the average flight time is 7 hours and 15 minutes.

How can I find the best flight deal to London Gatwick?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Ottawa International Airport to London Gatwick with?

Currently, Air Transat offers the cheapest flight tickets to London Gatwick.

Flying from Ottawa/Macdonald-Cartier International Airport (YOW) to London Gatwick Airport (LGW): what you need to know

London's timezone is UTC+0, making London four hours ahead of Ottawa.
To ensure you get on your YOW to LGW flight, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the standard rule.
Flying during a peak time like July? School holidays and other popular periods can mean longer lines and delays at security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to London Gatwick Airport (LGW)

Rs70,054 is currently the lowest price for a one-way Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport flight. A return flight starts at Rs143,470. These prices can change depending on availability and demand.
To find cheap tickets from YOW to LGW, book in advance. Airlines typically offer their most competitively priced fares when flights are first made available.
If you're willing to be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price across every month when looking for a flight from Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport.
There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from YOW to LGW.
Secure the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Ottawa/Macdonald-Cartier International Airport (YOW)

The address for YOW is 50 Airport Road.
When it comes to the on-time performance of Ottawa/Macdonald-Cartier International Airport, 58.21% of flights meet their scheduled arrival time.
Ottawa/Macdonald-Cartier International Airport is around 13 kilometres from central Ottawa. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on the traffic.
Expect a journey time of around 45 minutes when using public transport.
Booked an early flight from Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels close to YOW:

Arriving at London Gatwick Airport (LGW)

The last thing you need is a long trip to your hotel if you're arriving on a late Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport flight. Book one of these accommodation options near LGW instead:
Travel at your own pace with a London Gatwick Airport rental car. Pick up a set of wheels from Green Motion, U-Save or Drivalia and experience more of London and beyond.
Lock in the best deal by booking your ride from London Gatwick Airport about three weeks ahead of your departure.

Getting from London Gatwick Airport (LGW) to central London

London Gatwick Airport is approximately 80 kilometres from the centre of London. The drive time takes around 1 hour 20 minutes.
When travelling on public transport, expect a journey of about 1 hour 25 minutes.

When to fly to London Gatwick Airport (LGW)

The quietest month for a flight from Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport is January, while August is the busiest. Pick the best time to visit London based on whether you prefer a more fast-paced or easygoing experience.
Book your flight from Ottawa/Macdonald-Cartier International Airport to London Gatwick Airport for July if you'd like to explore London during its warmest month. You can expect temperatures of between 11ºC and 26ºC.
January has average temperatures of between 0ºC and 9ºC. Look for cheap tickets from YOW to LGW sometime around then if you'd rather travel in cooler conditions.

Explore more of United Kingdom

London has its own special appeal, but there are so many other parts of United Kingdom waiting to be explored. Around 161 kilometres north-west of London, a trip to Birmingham will keep you on the go. Start with leading attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.
Bristol is another well-known destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Ottawa to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.