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Flight tickets from London Heathrow to Ottawa International

Compare London Heathrow to Ottawa International flight deals

Find the cheapest month or even day of the year to fly to Ottawa International

Book the best Ottawa International fare with no extra fees

Flight deals from London Heathrow to Ottawa International

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Ottawa International Airport? If you want to travel next month, return fares start from ₹ 50,061. Find the lowest prices on one-way and return tickets right here.
Ottawa.₹ 35,069 per passenger.Departing Tue, 12 May.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 12 May, arriving in Ottawa International.Price includes taxes and charges.From ₹ 35,069, select.
Ottawa.₹ 41,388 per passenger.Departing Thu, 10 Sep.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Thu, 10 Sep, arriving in Ottawa International.Price includes taxes and charges.From ₹ 41,388, select.
Ottawa.₹ 41,484 per passenger.Departing Tue, 2 Jun.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Tue, 2 Jun, arriving in Ottawa International.Price includes taxes and charges.From ₹ 41,484, select.
Ottawa.₹ 46,212 per passenger.Departing Tue, 1 Dec.One-way flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from London Heathrow on Tue, 1 Dec, arriving in Ottawa International.Price includes taxes and charges.From ₹ 46,212, select.
Ottawa.₹ 46,620 per passenger.Departing Mon, 1 Feb.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from London Heathrow on Mon, 1 Feb, arriving in Ottawa International.Price includes taxes and charges.From ₹ 46,620, select.
Ottawa.₹ 46,965 per passenger.Departing Tue, 6 Oct.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Tue, 6 Oct, arriving in Ottawa International.Price includes taxes and charges.From ₹ 46,965, select.
Ottawa.₹ 47,033 per passenger.Departing Wed, 1 Jul.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Wed, 1 Jul, arriving in Ottawa International.Price includes taxes and charges.From ₹ 47,033, select.
Ottawa.₹ 47,038 per passenger.Departing Sun, 30 Aug.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Sun, 30 Aug, arriving in Ottawa International.Price includes taxes and charges.From ₹ 47,038, select.
Ottawa.₹ 47,077 per passenger.Departing Thu, 14 Jan.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Thu, 14 Jan, arriving in Ottawa International.Price includes taxes and charges.From ₹ 47,077, select.
Ottawa.₹ 47,097 per passenger.Departing Fri, 20 Nov.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Fri, 20 Nov, arriving in Ottawa International.Price includes taxes and charges.From ₹ 47,097, select.
Ottawa.₹ 47,483 per passenger.Departing Thu, 22 Apr.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Thu, 22 Apr, arriving in Ottawa International.Price includes taxes and charges.From ₹ 47,483, select.
Ottawa.₹ 48,287 per passenger.Departing Sat, 6 Mar.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Sat, 6 Mar, arriving in Ottawa International.Price includes taxes and charges.From ₹ 48,287, select.
Ottawa.₹ 174,635 per passenger.Departing Sat, 16 May.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from London Heathrow on Sat, 16 May, arriving in Ottawa International.Price includes taxes and charges.From ₹ 174,635, select.
Ottawa.₹ 179,282 per passenger.Departing Thu, 3 Sep.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from London Heathrow on Thu, 3 Sep, arriving in Ottawa International.Price includes taxes and charges.From ₹ 179,282, select.
Ottawa.₹ 179,740 per passenger.Departing Wed, 3 Jun.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from London Heathrow on Wed, 3 Jun, arriving in Ottawa International.Price includes taxes and charges.From ₹ 179,740, select.
Ottawa.₹ 179,995 per passenger.Departing Sat, 4 Jul.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from London Heathrow on Sat, 4 Jul, arriving in Ottawa International.Price includes taxes and charges.From ₹ 179,995, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Ottawa International flights are currently cheapest in May.
May
from ₹ 35,069
Jun
from ₹ 41,484
Jul
from ₹ 47,033
Aug
from ₹ 47,038
Sep
from ₹ 41,388
Oct
from ₹ 46,965
Nov
from ₹ 47,097
Dec
from ₹ 46,212
Jan
from ₹ 47,077
Feb
from ₹ 46,620
Mar
from ₹ 48,287
Apr
from ₹ 47,483

Direct flights from London Heathrow to Ottawa International

London Heathrow to Ottawa International: Alternative routes

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

Ottawa International

11km from central Ottawa
ClosestCheapest
from ₹ 34,928
Search flights

Ottawa Gatineau

15km from central Ottawa
Search flights

London to Ottawa: Flight information

The things to know before you go.
Cheapest flight found₹ 35,069
Cheapest month to flyMay
Average flight time7 hrs, 33 mins
Most popular airlineLufthansa
Average flights per week26

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

The best price we found for a return flight from London Heathrow to Ottawa International is ₹ 50,061. 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.
7 hours and 33 minutes is the average flight time from London Heathrow to Ottawa International.
Lufthansa, TAP Air Portugal and Air Canada fly direct from London Heathrow to Ottawa International.
As of May 2026, there are 26 flights per week flying from London Heathrow to Ottawa International.
The cheapest month to fly from London Heathrow to Ottawa International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Ottawa International Airport on Monday, 1 June 2026.
Yes – the average flight time is 7 hours and 33 minutes.
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 Ottawa International 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada and Lufthansa offer the cheapest flight tickets to Ottawa International.

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

  • The timezone in Ottawa is UTC-4, which is four hours behind London.

  • Leave enough time to catch your LHR to YOW flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during peak periods in general.

  • If you'd like to split up your journey, just deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport. These are the most popular stopovers between LHR and YOW:

    • Montreal-Pierre Elliott Trudeau International Airport

    • Pearson International Airport

    • Halifax Stanfield International Airport

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

  • At the moment, ₹ 34,928 is the cheapest price we've seen for a one-way London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport flight. The best price for a return plane ticket is ₹ 49,859. Remember that fares can change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from LHR to YOW if you book in advance. Airlines often offer some terrific early bird deals.

  • Getting cheap flights from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' search function to see the best prices across the month and score a great deal.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll send you an update as soon as the price changes on cheap flights from LHR to YOW.

  • Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • When it comes to London Heathrow Airport's on-time performance, 68.18% of flights arrive within the scheduled timeframe.

  • Central London to London Heathrow Airport is around 31 kilometres. Depending on traffic, it'll take about 55 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey when using public transport usually takes 1 hour.

  • Get your trip off to a relaxed start by staying near LHR. Whether you've booked an early flight from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Ottawa/Macdonald-Cartier International Airport (YOW)

Getting from Ottawa/Macdonald-Cartier International Airport (YOW) to central Ottawa

  • You'll find YOW at 50 Airport Road.

  • From Ottawa/Macdonald-Cartier International Airport, Ottawa is approximately 13 kilometres away. It takes around 20 minutes to drive to the centre.

  • It takes roughly 45 minutes when travelling by public transport.

When to fly to Ottawa/Macdonald-Cartier International Airport (YOW)

  • The quietest month for a flight from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport is February, while July is the most popular. Choose the best time to go to Ottawa based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from London Heathrow Airport to Ottawa/Macdonald-Cartier International Airport for July if you want to visit Ottawa during its warmest month. You can expect temperatures of between 13ºC and 27ºC.

  • Look for cheap tickets from LHR to YOW in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

Explore more of Canada

  • Toronto is just one of the many places in Canada waiting to be explored once you've taken in the sights of Ottawa. Around 354 kilometres away to the south-west, check out popular attractions including CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres east of Ottawa, Montreal is another favourite stop in Canada. Experience this destination's highlights firsthand at Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.