Cheap flights from London Heathrow Airport to Ottawa from C$ 624
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
29 Nov — 6 Dec1
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 Monday or Friday and return on a Friday
Cheap flight deals from Heathrow to Ottawa
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
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 30 October 2026.
Sat 28/119:00 a.m. -
2 stops29h 15m
Mon 30/118:50 a.m. -
1 stop31h 10m
Deal found 28/10C$ 894
Thu 3/121:00 p.m. -
1 stop31h 57m
Sat 5/123:10 p.m. -
1 stop24h 25m
Deal found 29/10C$ 929
Thu 19/116:35 a.m. -
2 stops17h 52m
Thu 3/126:00 a.m. -
2 stops23h 50m
Deal found 28/10C$ 1,020
Sun 8/116:50 a.m. -
2 stops12h 17m
Sat 21/119:55 a.m. -
2 stops16h 15m
Deal found 28/10C$ 1,022
Wed 4/117:30 a.m. -
2 stops19h 26m
Wed 25/116:00 a.m. -
2 stops19h 40m
Deal found 25/10C$ 1,025
Mon 2/116:00 a.m. -
2 stops18h 47m
Mon 9/118:30 p.m. -
2 stops19h 30m
Deal found 29/10C$ 1,036
Wed 11/116:00 a.m. -
2 stops16h 20m
Mon 16/1110:05 a.m. -
2 stops16h 05m
Deal found 27/10C$ 1,049
Mon 16/116:00 a.m. -
2 stops18h 45m
Mon 23/119:55 a.m. -
2 stops16h 15m
Deal found 29/10C$ 1,053
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 30 October 2026.
Tue 15/124:20 p.m. -
2 stops25h 51m
Tue 5/13:10 p.m. -
1 stop25h 10m
Deal found 28/10C$ 1,066
Sun 22/116:20 a.m. -
1 stop13h 40m
Sun 29/115:10 p.m. -
1 stop15h 35m
Deal found 25/10C$ 1,164
Tue 15/123:10 p.m. -
1 stop27h 01m
Thu 7/16:00 a.m. -
2 stops19h 40m
Deal found 29/10C$ 1,069
Wed 16/124:20 p.m. -
2 stops26h 49m
Thu 7/16:00 a.m. -
2 stops19h 40m
Deal found 29/10C$ 1,069
Thu 24/1212:05 p.m. -
2 stops30h 06m
Fri 8/13:10 p.m. -
1 stop13h 00m
Deal found 27/10C$ 1,069
Thu 10/124:20 p.m. -
2 stops25h 51m
Fri 15/16:00 a.m. -
1 stop10h 20m
Deal found 25/10C$ 1,071
Sun 22/114:20 p.m. -
2 stops25h 51m
Sun 29/116:00 a.m. -
2 stops23h 50m
Deal found 25/10C$ 1,071
Mon 14/124:20 p.m. -
2 stops25h 51m
Wed 6/15:10 a.m. -
2 stops19h 45m
Deal found 29/10C$ 1,080
Mon 18/14:20 p.m. -
2 stops25h 51m
Thu 11/22:00 p.m. -
1 stop15h 50m
Deal found 26/10C$ 1,091
Mon 18/14:20 p.m. -
2 stops25h 51m
Tue 9/29:45 a.m. -
1 stop15h 55m
Deal found 26/10C$ 1,091
Sat 13/210:25 a.m. -
2 stops16h 25m
Thu 18/26:00 a.m. -
2 stops19h 40m
Deal found 28/10C$ 1,098
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 30 October 2026.
Thu 26/111:25 p.m. -
Nonstop7h 55m
Thu 3/129:40 p.m. -
Nonstop6h 40m
Deal found 29/10C$ 1,222
Mon 16/1111:10 a.m. -
Nonstop7h 55m
Mon 23/116:50 p.m. -
Nonstop6h 40m
Deal found 29/10C$ 1,224
Thu 10/121:25 p.m. -
Nonstop7h 55m
Fri 15/19:15 a.m. -
Nonstop6h 45m
Deal found 25/10C$ 1,227
Thu 12/111:25 p.m. -
Nonstop7h 55m
Mon 23/116:50 p.m. -
Nonstop6h 40m
Deal found 30/10C$ 1,231
Thu 24/129:00 a.m. -
Nonstop8h 05m
Fri 8/19:15 a.m. -
Nonstop6h 45m
Deal found 27/10C$ 1,232
Sat 21/1111:10 a.m. -
Nonstop7h 55m
Mon 30/116:50 p.m. -
Nonstop6h 40m
Deal found 29/10C$ 1,234
Mon 9/1111:10 a.m. -
Nonstop7h 55m
Sat 21/116:50 p.m. -
Nonstop6h 40m
Deal found 27/10C$ 1,235
Mon 23/1111:10 a.m. -
Nonstop7h 55m
Mon 30/116:50 p.m. -
Nonstop6h 40m
Deal found 26/10C$ 1,243
Mon 1/29:00 a.m. -
Nonstop8h 05m
Sun 7/29:15 a.m. -
Nonstop6h 45m
Deal found 29/10C$ 1,248
Thu 26/111:25 p.m. -
Nonstop7h 55m
Thu 3/129:40 p.m. -
Nonstop6h 40m
Deal found 29/10C$ 1,252
Thu 15/49:30 a.m. -
Nonstop7h 55m
Sat 24/49:00 p.m. -
Nonstop6h 35m
Deal found 28/10C$ 1,256
Mon 23/1111:10 a.m. -
Nonstop7h 55m
Wed 20/19:15 a.m. -
Nonstop6h 45m
Deal found 29/10C$ 1,270
Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 30 October 2026 and is based on user searches.
Mon 2/116:00 a.m. -
2 stops18h 47m
Mon 9/118:30 p.m. -
2 stops19h 30m
Deal found 29/10C$ 1,036
Wed 4/117:30 a.m. -
2 stops19h 26m
Wed 25/116:00 a.m. -
2 stops19h 40m
Deal found 25/10C$ 1,025
Sun 8/116:50 a.m. -
2 stops12h 17m
Sat 21/119:55 a.m. -
2 stops16h 15m
Deal found 28/10C$ 1,022
Wed 11/116:00 a.m. -
2 stops16h 20m
Mon 16/1110:05 a.m. -
2 stops16h 05m
Deal found 27/10C$ 1,049
Mon 16/116:00 a.m. -
2 stops18h 45m
Mon 23/119:55 a.m. -
2 stops16h 15m
Deal found 29/10C$ 1,053
Thu 19/116:35 a.m. -
2 stops17h 52m
Thu 3/126:00 a.m. -
2 stops23h 50m
Deal found 28/10C$ 1,020
Thu 26/114:20 p.m. -
2 stops49h 51m
Sun 29/119:45 a.m. -
1 stop15h 55m
Deal found 27/10C$ 1,055
Sat 28/119:00 a.m. -
2 stops29h 15m
Mon 30/118:50 a.m. -
1 stop31h 10m
Deal found 28/10C$ 894
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 30 October 2026.
Thu 11/23:15 p.m. -
2 stops50h 45m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 25/10C$ 624
Mon 23/116:45 p.m. -
2 stops48h 47m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 632
Tue 24/119:15 a.m. -
2 stops34h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 643
Fri 20/112:50 p.m. -
1 stop27h 24m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 25/10C$ 673
Thu 10/128:50 p.m. -
3 stops27h 27m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 680
Wed 25/112:50 p.m. -
1 stop27h 24m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 681
Fri 27/112:50 p.m. -
1 stop27h 24m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 683
Tue 15/129:55 a.m. -
3 stops38h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 27/10C$ 690
Thu 3/122:50 p.m. -
1 stop27h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/10C$ 691
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 30 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 30 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
Thu 11/2
4:20 p.m.-1:00 p.m.
3 stops49h 40m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 663
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 15/12
9:55 a.m.-7:17 p.m.
3 stops38h 22m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 690
Quickest round-trip
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 13/4
8:55 a.m.-3:00 p.m.
1 stop11h 05m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 779
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Mon 12/4
8:55 a.m.-3:00 p.m.
1 stop11h 05m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 783
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 13/4
2:45 p.m.-11:40 p.m.
2 stops13h 55m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 785
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Mon 12/4
2:45 p.m.-11:40 p.m.
2 stops13h 55m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 786
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 17/11
6:30 p.m.-2:32 p.m.
2 stops49h 02m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 799
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Wed 25/11
2:50 p.m.-2:30 p.m.
1 stop28h 40m
Ottawa
Wed 31/12
12:00 a.m.-6:00 a.m.
Nonstop0h 00m
C$ 883
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 15/12
4:20 p.m.-1:11 p.m.
2 stops25h 51m
Ottawa
Tue 5/1
3:10 p.m.-9:20 p.m.
1 stop25h 10m
C$ 1,066
LondonOttawa
LHR London Heathrow - YOW Ottawa
LHRYOW
London Heathrow
Tue 15/12
3:10 p.m.-1:11 p.m.
1 stop27h 01m
Ottawa
Thu 7/1
6:00 a.m.-6:40 a.m.
2 stops19h 40m
C$ 1,069
Flights are sorted by cheapest round-trip flights first.
Deals found on 25/10
Showing 1-10 of 19 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
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$ 724). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 1,290). 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 30 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$ 1,004 and C$ 1,180 in November.The cheapest round-trip price found within the last 5 days was C$ 894 on Air Canada (28 Nov-30 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.
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 30 October 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air Canada. 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
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 0 daily inbound flights from London Heathrow from 1 airline.
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 25h 51m. Fly via United Airlines to get the fastest option. The distance from London Heathrow Airport to Ottawa is about 5343 km.
What is the cheapest airline to fly from London Heathrow Airport to Ottawa round-trip?
Air Canada, at C$ 781, was found to be the cheapest airline from London Heathrow Airport to Ottawa.. Users have found that Air Canada is 24% 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 (86%) and Austrian Airlines (86%).
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$ 1,023, our data indicates the cheapest price to be C$ 673. The most popular route (London Heathrow - Ottawa), is priced around C$ 1,020.
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$ 724). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 1,290). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Discover the top airline 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 30 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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