Cheap flights from London Heathrow Airport to Ottawa from C$ 448
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
7 Feb — 14 Feb1
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 March or April, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap 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 8 January 2026.
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 8 January 2026.
Tue 3/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Wed 11/210:30 a.m.YOW - LHR
2 stops15h 40mAir Canada
Deal found 7/1C$ 845
Sat 14/28:50 a.m.LHR - YOW
2 stops20h 49mMultiple Airlines
Sat 21/25:40 a.m.YOW - LHR
2 stops21h 25mMultiple Airlines
Deal found 8/1C$ 846
Sat 14/26:00 p.m.LHR - YOW
1 stop12h 38mAir Canada
Fri 20/29:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 8/1C$ 849
Tue 2/66:00 a.m.LHR - YOW
2 stops19h 51mMultiple Airlines
Wed 1/79:00 p.m.YOW - LHR
Nonstop6h 35mMultiple Airlines
Deal found 6/1C$ 850
Fri 6/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Sat 14/24:15 p.m.YOW - LHR
2 stops23h 20mAir Canada
Deal found 7/1C$ 851
Sat 7/26:50 a.m.LHR - YOW
2 stops15h 51mAir Canada
Fri 13/28:30 a.m.YOW - LHR
2 stops17h 40mAir Canada
Deal found 7/1C$ 856
Tue 2/612:40 p.m.LHR - YOW
1 stop10h 53mAir Canada
Thu 2/75:30 p.m.YOW - LHR
1 stop22h 30mAir Canada
Deal found 6/1C$ 858
Sat 21/27:50 a.m.LHR - YOW
2 stops21h 49mMultiple Airlines
Sat 28/25:40 a.m.YOW - LHR
2 stops24h 45mMultiple Airlines
Deal found 7/1C$ 860
Wed 4/211:10 a.m.LHR - YOW
1 stop18h 29mMultiple Airlines
Wed 11/25:40 a.m.YOW - LHR
1 stop19h 50mMultiple Airlines
Deal found 7/1C$ 861
Sat 27/612:40 p.m.LHR - YOW
1 stop10h 53mAir Canada
Sun 5/76:25 p.m.YOW - LHR
1 stop10h 35mAir Canada
Deal found 6/1C$ 865
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 8 January 2026.
Wed 4/211:10 a.m.LHR - YOW
1 stop18h 29mMultiple Airlines
Wed 11/25:40 a.m.YOW - LHR
1 stop19h 50mMultiple Airlines
Deal found 7/1C$ 861
Mon 2/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Mon 9/28:25 p.m.YOW - LHR
2 stops19h 10mAir Canada
Deal found 8/1C$ 887
Sat 21/26:00 p.m.LHR - YOW
1 stop11h 39mMultiple Airlines
Sat 28/25:40 a.m.YOW - LHR
1 stop19h 50mMultiple Airlines
Deal found 7/1C$ 868
Sun 22/21:25 p.m.LHR - YOW
2 stops25h 21mAir Canada
Sun 1/34:40 p.m.YOW - LHR
1 stop22h 55mAir Canada
Deal found 8/1C$ 890
Fri 13/31:25 p.m.LHR - YOW
2 stops28h 01mAir Canada
Wed 18/36:20 p.m.YOW - LHR
1 stop8h 50mAir Canada
Deal found 7/1C$ 896
Sun 25/16:30 a.m.LHR - YOW
2 stops13h 40mMultiple Airlines
Sun 8/25:20 p.m.YOW - LHR
1 stop12h 10mMultiple Airlines
Deal found 7/1C$ 934
Wed 4/212:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Sun 8/210:30 a.m.YOW - LHR
2 stops15h 40mAir Canada
Deal found 7/1C$ 927
Wed 21/19:00 a.m.LHR - YOW
2 stops13h 41mMultiple Airlines
Fri 30/12:45 p.m.YOW - LHR
1 stop11h 25mMultiple Airlines
Deal found 8/1C$ 937
Wed 1/49:50 a.m.LHR - YOW
2 stops19h 49mMultiple Airlines
Sat 4/45:40 a.m.YOW - LHR
2 stops21h 25mMultiple Airlines
Deal found 7/1C$ 957
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 8 January 2026.
Wed 4/212:00 p.m.LHR - YOW
Nonstop7h 30mLufthansa
Wed 11/29:55 p.m.YOW - LHR
Nonstop6h 25mLufthansa
Deal found 7/1C$ 955
Wed 21/112:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Fri 30/19:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 8/1C$ 965
Sun 25/112:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Sun 8/29:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 7/1C$ 968
Wed 1/72:10 p.m.LHR - YOW
Nonstop7h 55mAir Canada
Wed 15/79:00 p.m.YOW - LHR
Nonstop6h 35mAir Canada
Deal found 8/1C$ 986
Wed 13/52:10 p.m.LHR - YOW
Nonstop7h 55mAir Canada
Wed 27/59:00 p.m.YOW - LHR
Nonstop6h 35mAir Canada
Deal found 8/1C$ 987
Sun 25/112:00 p.m.LHR - YOW
Nonstop7h 30mLufthansa
Sun 8/29:55 p.m.YOW - LHR
Nonstop6h 25mLufthansa
Deal found 7/1C$ 1,005
Fri 20/212:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Wed 25/29:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 7/1C$ 1,015
Wed 4/212:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Sun 8/29:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 7/1C$ 1,016
Wed 1/42:10 p.m.LHR - YOW
Nonstop7h 55mLufthansa
Sat 12/99:00 p.m.YOW - LHR
Nonstop6h 35mLufthansa
Deal found 7/1C$ 1,310
Wed 25/312:00 p.m.LHR - YOW
Nonstop7h 30mAir Canada
Wed 8/49:00 p.m.YOW - LHR
Nonstop6h 35mAir Canada
Deal found 7/1C$ 1,378
Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 8 January 2026 and is based on user searches.
Tue 3/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Wed 11/210:30 a.m.YOW - LHR
2 stops15h 40mAir Canada
Deal found 7/1C$ 845
Wed 4/211:10 a.m.LHR - YOW
1 stop18h 29mMultiple Airlines
Wed 11/25:40 a.m.YOW - LHR
1 stop19h 50mMultiple Airlines
Deal found 7/1C$ 861
Wed 4/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Sun 8/210:30 a.m.YOW - LHR
2 stops15h 40mAir Canada
Deal found 7/1C$ 880
Fri 6/29:00 a.m.LHR - YOW
2 stops13h 41mAir Canada
Sat 14/24:15 p.m.YOW - LHR
2 stops23h 20mAir Canada
Deal found 7/1C$ 851
Sat 7/26:50 a.m.LHR - YOW
2 stops15h 51mAir Canada
Fri 13/28:30 a.m.YOW - LHR
2 stops17h 40mAir Canada
Deal found 7/1C$ 856
Sat 14/27:50 a.m.LHR - YOW
2 stops21h 49mMultiple Airlines
Sat 21/25:40 a.m.YOW - LHR
2 stops24h 45mMultiple Airlines
Deal found 7/1C$ 846
Sat 14/26:00 p.m.LHR - YOW
1 stop12h 38mAir Canada
Fri 20/29:55 p.m.YOW - LHR
Nonstop6h 25mAir Canada
Deal found 8/1C$ 849
Thu 19/29:00 a.m.LHR - YOW
2 stops20h 39mMultiple Airlines
Sun 22/21:20 p.m.YOW - LHR
2 stops15h 00mMultiple Airlines
Deal found 7/1C$ 886
Sat 21/27:50 a.m.LHR - YOW
2 stops21h 49mMultiple Airlines
Sat 28/25:40 a.m.YOW - LHR
2 stops24h 45mMultiple Airlines
Deal found 7/1C$ 860
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 8 January 2026.
Mon 16/36:15 p.m.LHR - YOW
2 stops34h 24mMultiple Airlines
Deal found 7/1C$ 448
Tue 14/48:50 p.m.LHR - YOW
2 stops49h 09mMultiple Airlines
Deal found 8/1C$ 467
Wed 15/48:50 p.m.LHR - YOW
2 stops49h 09mMultiple Airlines
Deal found 8/1C$ 474
Tue 17/36:20 a.m.LHR - YOW
1 stop13h 50mAir France
Deal found 8/1C$ 563
Mon 9/22:50 p.m.LHR - YOW
2 stops38h 49mWestJet
Deal found 7/1C$ 564
Wed 22/41:05 p.m.LHR - YOW
2 stops16h 34mMultiple Airlines
Deal found 8/1C$ 567
Sun 19/49:25 p.m.LHR - YOW
2 stops32h 14mMultiple Airlines
Deal found 8/1C$ 568
Wed 15/47:45 p.m.LHR - YOW
1 stop24h 15mVirgin Atlantic
Deal found 7/1C$ 575
Thu 28/57:45 p.m.LHR - YOW
1 stop24h 15mVirgin Atlantic
Deal found 8/1C$ 576
Mon 16/32:45 p.m.LHR - YOW
1 stop29h 25mAir France
Deal found 7/1C$ 578
Tue 14/46:15 a.m.LHR - YOW
1 stop13h 45mAir France
Deal found 8/1C$ 583
Cheapflights Fare Finder
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 629,999 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.
Fly from
Heathrow
Fly to
Ottawa
Route
Depart
Return
Price
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Wed 4/2
11:10 a.m.-12:39 a.m.
1 stop18h 29m
Ottawa
Wed 11/2
5:40 a.m.-6:30 a.m.
1 stop19h 50m
C$ 861
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Sat 21/2
6:00 p.m.-12:39 a.m.
1 stop11h 39m
Ottawa
Sat 28/2
5:40 a.m.-6:30 a.m.
1 stop19h 50m
C$ 868
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Mon 2/2
9:00 a.m.-5:41 p.m.
2 stops13h 41m
Ottawa
Mon 9/2
8:25 p.m.-8:35 p.m.
2 stops19h 10m
C$ 887
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Sun 22/2
1:25 p.m.-9:46 a.m.
2 stops25h 21m
Ottawa
Sun 1/3
4:40 p.m.-8:35 p.m.
1 stop22h 55m
C$ 890
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Fri 13/3
1:25 p.m.-1:26 p.m.
2 stops28h 01m
Ottawa
Wed 18/3
6:20 p.m.-7:10 a.m.
1 stop8h 50m
C$ 896
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Wed 4/2
12:00 p.m.-2:30 p.m.
Nonstop7h 30m
Ottawa
Sun 8/2
10:30 a.m.-7:10 a.m.
2 stops15h 40m
C$ 927
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Sun 25/1
6:30 a.m.-3:10 p.m.
2 stops13h 40m
Ottawa
Sun 8/2
5:20 p.m.-10:30 a.m.
1 stop12h 10m
C$ 934
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Wed 21/1
9:00 a.m.-5:41 p.m.
2 stops13h 41m
Ottawa
Fri 30/1
2:45 p.m.-7:10 a.m.
1 stop11h 25m
C$ 937
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Wed 1/4
9:50 a.m.-12:39 a.m.
2 stops19h 49m
Ottawa
Sat 4/4
5:40 a.m.-8:05 a.m.
2 stops21h 25m
C$ 957
LondonOttawa
LHR - YOW
LHRYOW
London Heathrow
Mon 16/3
6:15 p.m.-12:39 a.m.
2 stops34h 24m
C$ 448
Flights are sorted by cheapest round-trip flights first.
Deals found on 7/1
Showing 1-10 of 20 results
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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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Ottawa. Price data was last updated on 2 January 2026.
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 89 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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 565). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 708). 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 8 January 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 often are flights from London to Ottawa delayed?
About 8% of weekly flights between London and Ottawa have experienced delays in the past year, with the average delay time being 231 minutes.
What is the most punctual flight time for London to Ottawa flights?
Historically, flights departing in the early afternoon 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?
Friday tends to have the lowest number of delays on this route, whereas Monday 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 8% 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 91% 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.
Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 878.
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 Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 9h 14m.
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 Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 54m.
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 8 January 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air France,Air Canada, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
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 2 daily inbound flights from London Heathrow from 3 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 41m. Fly via Air Canada to get the fastest option. The distance from London Heathrow Airport to Ottawa is about 5343 km.
What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?
Air France, at C$ 796, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. Users have found that Air France is 22% 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 TAP AIR PORTUGAL (83%), Air Canada (80%) and Austrian Airlines (80%).
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$ 1,100, our data indicates the cheapest price to be C$ 718. The most popular route (London Heathrow - Ottawa), is priced around C$ 712.
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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 565). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 708). 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 8 January 2026.
Discover the top 3 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 629,999 searches. Data last updated 8 January 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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