Cheap flights from London Heathrow Airport to Ottawa from C$ 580
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
1 Nov — 8 Nov1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Ottawa are usually found in May or June, booked 76 days in advance, depart on a Tuesday or Friday and return on a Wednesday
Cheap flight deals from Heathrow to Ottawa
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Heathrow to Ottawa
Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2026.
Thu 5/111:00 p.m. -
1 stop31h 57m
Sat 7/1112:10 p.m. -
2 stops27h 50m
Deal found 28/9C$ 713
Sat 31/101:00 p.m. -
2 stops27h 17m
Mon 2/1110:50 a.m. -
2 stops29h 10m
Deal found 28/9C$ 719
Mon 12/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
1 stop9h 30m
Deal found 28/9C$ 732
Mon 12/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
2 stops13h 40m
Deal found 28/9C$ 776
Thu 22/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
1 stop9h 30m
Deal found 29/9C$ 780
Sat 24/105:50 p.m. -
1 stop11h 30m
Sun 1/115:25 p.m. -
1 stop9h 30m
Deal found 28/9C$ 805
Thu 15/104:40 p.m. -
1 stop12h 14m
Sun 25/106:00 a.m. -
1 stop11h 20m
Deal found 30/9C$ 806
Mon 19/105:50 p.m. -
1 stop28h 45m
Mon 2/115:30 a.m. -
2 stops20h 35m
Deal found 29/9C$ 842
Thu 15/105:50 p.m. -
1 stop11h 30m
Wed 21/105:10 p.m. -
1 stop12h 20m
Deal found 29/9C$ 847
Thu 22/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
2 stops16h 00m
Deal found 29/9C$ 856
Best flights from Heathrow to Ottawa
Discover carefully curated flight deals from Heathrow to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.
Fri 16/104:40 p.m. -
2 stops21h 31m
Sun 25/103:10 p.m. -
1 stop26h 10m
Deal found 28/9C$ 964
Fri 13/116:20 a.m. -
1 stop13h 40m
Fri 20/115:25 p.m. -
1 stop9h 30m
Deal found 29/9C$ 1,002
Sat 24/105:50 p.m. -
1 stop11h 30m
Fri 27/115:10 p.m. -
1 stop15h 35m
Deal found 30/9C$ 1,123
Thu 15/106:35 p.m. -
2 stops34h 45m
Mon 19/106:50 a.m. -
2 stops42h 30m
Deal found 28/9C$ 1,289
Tue 13/107:30 a.m. -
2 stops19h 05m
Tue 20/107:30 p.m. -
1 stop10h 10m
Deal found 28/9C$ 1,024
Mon 26/1012:05 p.m. -
2 stops29h 06m
Mon 2/114:46 p.m. -
1 stop14h 14m
Deal found 28/9C$ 1,079
Thu 17/124:10 p.m. -
1 stop13h 34m
Wed 6/15:10 p.m. -
1 stop12h 20m
Deal found 1/10C$ 1,256
Sat 31/104:20 p.m. -
2 stops25h 51m
Sat 7/112:00 p.m. -
1 stop11h 40m
Deal found 1/10C$ 1,081
Mon 15/39:10 a.m. -
1 stop16h 46m
Wed 31/312:30 p.m. -
2 stops17h 10m
Deal found 30/9C$ 1,098
Fri 16/106:50 a.m. -
2 stops22h 04m
Wed 28/102:00 p.m. -
1 stop12h 40m
Deal found 2/10C$ 1,099
Fri 30/104:20 p.m. -
2 stops24h 51m
Fri 6/113:10 p.m. -
1 stop12h 15m
Deal found 2/10C$ 1,115
Fri 25/1212:05 p.m. -
2 stops14h 51m
Thu 14/112:10 p.m. -
2 stops13h 10m
Deal found 1/10C$ 1,300
Direct flights from Heathrow to Ottawa
Explore direct flight options from Heathrow to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 October 2026.
Thu 15/109:30 a.m. -
Nonstop7h 55m
Wed 21/109:00 p.m. -
Nonstop6h 35m
Deal found 29/9C$ 927
Thu 15/109:30 a.m. -
Nonstop7h 55m
Wed 21/109:00 p.m. -
Nonstop6h 35m
Deal found 28/9C$ 938
Thu 15/109:30 a.m. -
Nonstop7h 55m
Thu 22/106:55 p.m. -
Nonstop6h 35m
Deal found 30/9C$ 954
Thu 15/109:30 a.m. -
Nonstop7h 55m
Wed 21/109:00 p.m. -
Nonstop6h 35m
Deal found 29/9C$ 971
Wed 14/102:10 p.m. -
Nonstop7h 55m
Wed 21/109:00 p.m. -
Nonstop6h 35m
Deal found 30/9C$ 983
Wed 14/102:10 p.m. -
Nonstop7h 55m
Thu 22/106:55 p.m. -
Nonstop6h 35m
Deal found 30/9C$ 991
Thu 15/109:30 a.m. -
Nonstop7h 55m
Mon 19/106:55 p.m. -
Nonstop6h 35m
Deal found 30/9C$ 992
Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 2 October 2026 and is based on user searches.
Mon 12/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
1 stop9h 30m
Deal found 28/9C$ 732
Mon 12/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
2 stops13h 40m
Deal found 28/9C$ 776
Thu 15/104:40 p.m. -
1 stop12h 14m
Sun 25/106:00 a.m. -
1 stop11h 20m
Deal found 30/9C$ 806
Thu 15/105:50 p.m. -
1 stop11h 30m
Wed 21/105:10 p.m. -
1 stop12h 20m
Deal found 29/9C$ 847
Mon 19/105:50 p.m. -
1 stop28h 45m
Mon 2/115:30 a.m. -
2 stops20h 35m
Deal found 29/9C$ 842
Thu 22/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
1 stop9h 30m
Deal found 29/9C$ 780
Thu 22/105:50 p.m. -
1 stop11h 30m
Fri 30/106:25 p.m. -
2 stops16h 00m
Deal found 29/9C$ 856
Sat 24/105:50 p.m. -
1 stop11h 30m
Sun 1/115:25 p.m. -
1 stop9h 30m
Deal found 28/9C$ 805
Sat 31/101:00 p.m. -
2 stops27h 17m
Mon 2/1110:50 a.m. -
2 stops29h 10m
Deal found 28/9C$ 719
Thu 5/111:00 p.m. -
1 stop31h 57m
Sat 7/1112:10 p.m. -
2 stops27h 50m
Deal found 28/9C$ 713
One-way flights from Heathrow to Ottawa
Search for one-way flight options from Heathrow to Ottawa. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.
Fri 9/107:30 p.m. -
2 stops23h 28m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/10C$ 580
Mon 30/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 27/9C$ 614
Wed 25/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 628
Thu 12/112:50 p.m. -
1 stop28h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 631
Tue 17/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 634
Wed 18/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 636
Thu 12/112:50 p.m. -
2 stops36h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 638
Tue 24/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 639
Sat 21/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 641
Fri 29/17:55 p.m. -
2 stops33h 49m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/10C$ 645
Fri 20/112:50 p.m. -
1 stop27h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 648
Find flight deals from Heathrow to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 October 2026.
Customize your flight search to find flights from Heathrow to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 2 October 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Wed 25/11
6:20 a.m.-3:00 p.m.
1 stop13h 40m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 692
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Thu 19/11
11:45 a.m.-12:44 a.m.
2 stops17h 59m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 703
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Sat 21/11
11:30 a.m.-12:44 a.m.
2 stops18h 14m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 713
Quickest round-trip
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Fri 20/11
6:30 a.m.-3:00 p.m.
2 stops13h 30m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 740
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Sat 26/12
6:30 a.m.-3:00 p.m.
2 stops13h 30m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 742
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Wed 25/11
6:30 a.m.-3:00 p.m.
2 stops13h 30m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 742
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 10/11
3:00 p.m.-12:44 a.m.
1 stop14h 44m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 816
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Fri 16/10
4:40 p.m.-9:11 a.m.
2 stops21h 31m
Ottawa
Sun 25/10
3:10 p.m.-9:20 p.m.
1 stop26h 10m
C$ 964
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Mon 26/10
2:50 p.m.-1:32 p.m.
1 stop26h 42m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 998
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Fri 13/11
6:20 a.m.-3:00 p.m.
1 stop13h 40m
Ottawa
Fri 20/11
5:25 p.m.-7:55 a.m.
1 stop9h 30m
C$ 1,002
Flights are sorted by cheapest round-trip flights first.
Deals found on 29/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
Best time to book a flight from Heathrow to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Heathrow with our price prediction graph.
LHR-YOW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Ottawa
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Ottawa?
The price you pay for your flight from London Heathrow Airport to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 749). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to YOW?
Find hourly flight availability from Heathrow to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 October 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Ottawa as you normally would.
How much does it cost to fly round-trip from London Heathrow Airport to Ottawa?
Airfare is below average for this route at the moment.
London Heathrow Airport to Ottawa flights typically cost between C$ 897 and C$ 1,235 in November.The cheapest round-trip price found within the last 5 days was C$ 713 on Air Canada (5 Nov-7 Nov).
How often are flights from London to Ottawa delayed?
About 10% of weekly flights between London and Ottawa have experienced delays in the past year, with the average delay time being 210 minutes.
What is the most punctual flight time for London to Ottawa flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Ottawa flights?
Over the past year, Air Canada has had the lowest number of delays on this route, with just 10% of flights being delayed.
What’s the top layover airport for flights from London Heathrow Airport to Ottawa?
Share of one-stop round-trip flights from London Heathrow Airport to Ottawa chosen by Cheapflights users in the past 12 months, using the same layover each way.
Paris (CDG) – chosen by Cheapflights users on 86% of one-stop itineraries from London Heathrow Airport to Ottawa on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Ottawa?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Ottawa, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 877.
What’s the fastest layover option from London Heathrow Airport to Ottawa?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Ottawa, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 11h 12m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Ottawa?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Ottawa, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Paris (CDG) offer the fastest connection on this route, with an average layover time of 1h 31m.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 2 October 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air Canada and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Ottawa from London Heathrow?
Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Ottawa from London Heathrow. Booking flights from London Heathrow to Ottawa (YOW) should be relatively easy as there are 3 daily inbound flights from London Heathrow from 2 different airlines.
How long is the flight from London Heathrow Airport to Ottawa?
There are many flights that can get you from London Heathrow Airport to Ottawa in 13h 40m. Fly via United Airlines or Virgin Atlantic to get the fastest option. The distance from London Heathrow Airport to Ottawa is about 5343 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?
Lufthansa, at C$ 755, was found to be the cheapest airline from London Heathrow Airport to Ottawa. An alternate airline flying to your destination would be Air Canada. Users have found that Lufthansa is 28% cheaper than the other options available to this destination.
What are the most reliable airlines from London Heathrow Airport to Ottawa?
The top 3 most reliable airlines when flying from London Heathrow Airport to Ottawa are Aegean Airlines (88%), Air Canada (83%) and Austrian Airlines (83%).
What are the cheapest flights from London Heathrow Airport to Ottawa?
Looking for the cheapest flight from London Heathrow Airport to Ottawa? While on average our users pay C$ 1,223, our data indicates the cheapest price to be C$ 1,002. The most popular route (London Heathrow - Ottawa), is priced around C$ 994.
Can I find deals for business class flights from Heathrow to Ottawa?
Yes. Cheapflights offers flight deals from Heathrow to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 749). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 October 2026.
Discover the top 2 airlines that operate flights from Heathrow to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 2 October 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Ottawa?
When you search for this flight from Heathrow to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ottawa?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Ottawa for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Ottawa with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Ottawa with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Ottawa become cheaper?
Not ready to book yet? You can track prices for flights from Heathrow to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.
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