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Cheap flights from Ottawa to London Heathrow Airport from £230

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LHR
4 Jun — 11 Jun1
1 adult
Tue 4/6
Tue 11/6

The best prices from Ottawa to London Heathrow are usually found in November or October, booked 31 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Ottawa to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Heathrow (LHR). 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 May 2024.

Popular in

July

Cheapest in

November

Average price

£642

Round-trip from

£68
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 11% potential price drop
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Average for round-trip flights in May 2024
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From Ottawa to London Heathrow
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What is the cheapest day to fly round-trip from Ottawa to London Heathrow Airport?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Ottawa to London Heathrow Airport?

Find a great deal and save up to 28% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £581.

What is the cheapest month to fly from Ottawa to London Heathrow Airport?

Our data shows that November tends to be the cheapest month to fly to London Heathrow Airport from Ottawa. Users have commonly found prices around £633 for the month, but tickets can be as low as £452. Due to multiple factors, prepare for potentially higher prices in July.

What is the cheapest time of day to fly from YOW to LHR?

One of the essential ways to save on airfare from Ottawa to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 5% on airfare.

Cheap Lufthansa flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by Lufthansa for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 908,271 searches. Data last updated 30 May 2024.
Consider these cheap Lufthansa flights we've found departing from Ottawa to London. It's recommended that users confirm their flight details before booking.
Tue 8/1018:40YOW - LHR
1 stop10h 20mLufthansa
Wed 16/1009:30LHR - YOW
1 stop9h 25mLufthansa
Deal found 29/5£561
Sat 5/1014:00YOW - LHR
1 stop11h 35mLufthansa
Tue 15/1009:30LHR - YOW
2 stops18h 23mLufthansa
Deal found 28/5£580
Fri 4/1012:00YOW - LHR
1 stop13h 35mLufthansa
Fri 18/1010:50LHR - YOW
2 stops17h 03mLufthansa
Deal found 29/5£589
Sun 16/620:55YOW - LHR
1 stop28h 35mLufthansa
Fri 21/608:30LHR - YOW
1 stop14h 43mLufthansa
Deal found 29/5£613
Tue 18/612:00YOW - LHR
1 stop13h 35mLufthansa
Tue 25/608:30LHR - YOW
1 stop12h 43mLufthansa
Deal found 30/5£694
Thu 17/1018:40YOW - LHR
2 stops13h 10mLufthansa
Tue 22/1010:30LHR - YOW
2 stops16h 35mLufthansa
Deal found 30/5£698
Sun 9/615:30YOW - LHR
1 stop12h 05mLufthansa
Sun 23/619:10LHR - YOW
2 stops52h 51mLufthansa
Deal found 30/5£824
Sun 9/615:30YOW - LHR
2 stops23h 10mLufthansa
Sun 23/619:10LHR - YOW
2 stops47h 46mLufthansa
Deal found 30/5£840

Cheap SWISS flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by SWISS for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 908,271 searches. Data last updated 30 May 2024.
Take a gander at the lowest prices we've found on SWISS flights from Ottawa to London. Check back soon if you're not seeing flights that suit your needs.
Sat 5/1011:00YOW - LHR
2 stops29h 30mSWISS
Tue 15/1008:40LHR - YOW
2 stops13h 50mSWISS
Deal found 28/5£625
Tue 10/913:25YOW - LHR
2 stops19h 15mSWISS
Tue 17/907:00LHR - YOW
2 stops20h 05mSWISS
Deal found 29/5£630
Mon 23/913:25YOW - LHR
2 stops19h 15mSWISS
Tue 15/1008:40LHR - YOW
2 stops13h 50mSWISS
Deal found 30/5£635
Wed 23/1011:00YOW - LHR
2 stops19h 25mSWISS
Wed 6/1107:00LHR - YOW
2 stops20h 08mSWISS
Deal found 29/5£663
Wed 16/1013:25YOW - LHR
2 stops13h 30mSWISS
Tue 22/1008:40LHR - YOW
2 stops13h 50mSWISS
Deal found 30/5£681
Thu 6/612:00YOW - LHR
2 stops38h 55mSWISS
Thu 13/606:00LHR - YOW
2 stops18h 17mSWISS
Deal found 30/5£805
Tue 4/613:25YOW - LHR
2 stops22h 10mSWISS
Tue 11/608:40LHR - YOW
2 stops14h 00mSWISS
Deal found 30/5£878
Fri 7/613:25YOW - LHR
2 stops18h 35mSWISS
Mon 10/618:40LHR - YOW
2 stops28h 00mSWISS
Deal found 30/5£901

Cheap Ottawa to Heathrow flights in May & June 2024

Find cheap flight options from Ottawa to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 908,271 searches. Prices were last updated on 30 May 2024.
Check out some of the best flight deals from Ottawa to London in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 30/5£591
Tue 18/613:25YOW - LHR
1 stop12h 05mMultiple Airlines
Tue 25/613:10LHR - YOW
3 stops28h 29mMultiple Airlines
Deal found 30/5£668
Mon 24/613:25YOW - LHR
1 stop12h 05mMultiple Airlines
Thu 27/606:45LHR - YOW
2 stops19h 38mMultiple Airlines
Deal found 30/5£674
Tue 18/612:00YOW - LHR
1 stop13h 35mLufthansa
Tue 25/608:30LHR - YOW
1 stop12h 43mLufthansa
Deal found 30/5£694
Fri 7/607:00YOW - LHR
1 stop9h 00mMultiple Airlines
Mon 10/620:05LHR - YOW
2 stops26h 35mMultiple Airlines
Deal found 30/5£695
Tue 18/607:00YOW - LHR
1 stop9h 00mMultiple Airlines
Tue 25/610:30LHR - YOW
2 stops18h 17mMultiple Airlines
Deal found 30/5£713
Sat 15/607:00YOW - LHR
1 stop9h 00mAir Canada
Tue 25/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 29/5£718
Thu 13/607:00YOW - LHR
1 stop9h 00mAir Canada
Tue 25/614:05LHR - YOW
1 stop23h 36mAir Canada
Deal found 30/5£719
Sat 15/607:00YOW - LHR
1 stop9h 00mAir Canada
Wed 26/608:30LHR - YOW
1 stop15h 43mAir Canada
Deal found 30/5£720

Ottawa to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 908,271 searches. Data last updated 30 May 2024.
Check out some of the best flight deals from Ottawa to London in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 1/1018:40YOW - LHR
1 stop10h 20mAir Canada
Mon 14/1012:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 30/5£559
Wed 2/1007:00YOW - LHR
1 stop9h 00mAir Canada
Mon 7/1009:30LHR - YOW
1 stop13h 00mAir Canada
Deal found 29/5£561
Tue 1/1018:40YOW - LHR
1 stop30h 50mLufthansa
Mon 14/1007:25LHR - YOW
2 stops15h 48mLufthansa
Deal found 30/5£568
Wed 9/1005:55YOW - LHR
1 stop19h 35mMultiple Airlines
Wed 23/1007:25LHR - YOW
2 stops15h 48mMultiple Airlines
Deal found 30/5£570
Wed 9/1007:00YOW - LHR
1 stop9h 00mAir Canada
Sat 26/1009:30LHR - YOW
1 stop12h 00mAir Canada
Deal found 30/5£573
Wed 2/1013:25YOW - LHR
1 stop12h 05mAir Canada
Mon 7/1009:30LHR - YOW
2 stops12h 49mAir Canada
Deal found 29/5£579
Mon 23/907:00YOW - LHR
1 stop9h 00mAir Canada
Wed 16/1009:30LHR - YOW
1 stop9h 25mAir Canada
Deal found 30/5£585
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 30/5£591
Wed 9/1012:00YOW - LHR
2 stops13h 30mAir Canada
Sat 26/1009:30LHR - YOW
2 stops12h 49mAir Canada
Deal found 30/5£595

Ottawa to Heathrow flights leaving soon

Find last-minute flight options from Ottawa to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 908,271 searches. Data last updated 30 May 2024.
Check out these flights departing soon from Ottawa to London. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 30/5£591
Fri 7/607:00YOW - LHR
1 stop9h 00mMultiple Airlines
Mon 10/620:05LHR - YOW
2 stops26h 35mMultiple Airlines
Deal found 30/5£695
Thu 6/612:00YOW - LHR
2 stops38h 55mSWISS
Thu 13/606:00LHR - YOW
2 stops18h 17mSWISS
Deal found 30/5£805
Tue 4/618:40YOW - LHR
1 stop10h 20mMultiple Airlines
Wed 12/608:40LHR - YOW
2 stops15h 22mMultiple Airlines
Deal found 30/5£815
Sun 9/615:30YOW - LHR
1 stop12h 05mLufthansa
Sun 23/619:10LHR - YOW
2 stops52h 51mLufthansa
Deal found 30/5£824
Tue 4/618:40YOW - LHR
1 stop10h 20mAir Canada
Wed 12/614:05LHR - YOW
1 stop9h 57mAir Canada
Deal found 30/5£828
Tue 4/607:00YOW - LHR
1 stop9h 00mAir Canada
Tue 11/614:05LHR - YOW
1 stop13h 01mAir Canada
Deal found 30/5£829
Sun 9/615:30YOW - LHR
2 stops23h 10mLufthansa
Sun 23/619:10LHR - YOW
2 stops47h 46mLufthansa
Deal found 30/5£840
Tue 4/616:35YOW - LHR
2 stops14h 20mMultiple Airlines
Wed 12/621:25LHR - YOW
2 stops29h 03mMultiple Airlines
Deal found 30/5£856

One-way flights to Heathrow from Ottawa

Search for one-way flight options from Ottawa to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 908,271 searches. Data last updated 30 May 2024.
Take a look at some of the best available options we've come across on one-way flights from Ottawa to London. Users can also find round-trip Ottawa to London flights by using the search form above.
Thu 18/715:30YOW - LHR
1 stop13h 30mAir Canada
Deal found 30/5£230
Thu 18/717:00YOW - LHR
2 stops12h 00mAir Canada
Deal found 30/5£234
Sun 21/709:40YOW - LHR
2 stops19h 20mAir Canada
Deal found 30/5£247
Thu 25/717:00YOW - LHR
2 stops18h 20mSWISS
Deal found 30/5£248
Mon 17/618:40YOW - LHR
1 stop10h 20mAir Canada
Deal found 30/5£287
Wed 19/608:10YOW - LHR
1 stop17h 20mAir Canada
Deal found 30/5£288
Sat 22/621:00YOW - LHR
1 stop9h 50mAir Canada
Deal found 30/5£304
Mon 17/609:40YOW - LHR
2 stops15h 50mAir Canada
Deal found 30/5£304
Wed 19/617:00YOW - LHR
2 stops43h 55mSWISS
Deal found 30/5£306

Find flights from Ottawa to Heathrow within your budget

Customise your flight search to find flights from Ottawa to Heathrow 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 908,271 searches. Data last updated 30 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£558 - £625

Route

Depart

Return

Price

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 8/10

1 stop10h 20m

London Heathrow

Tue 15/10

1 stop9h 59m

£558

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 9/10

1 stop12h 05m

London Heathrow

Wed 23/10

1 stop13h 00m

£559

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 8/10

1 stop10h 20m

London Heathrow

Wed 16/10

1 stop9h 25m

£561

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 9/10

2 stops13h 50m

London Heathrow

Wed 23/10

2 stops13h 50m

£565

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 9/10

1 stop19h 35m

London Heathrow

Wed 23/10

2 stops15h 48m

£570

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sat 5/10

1 stop11h 35m

London Heathrow

Tue 15/10

2 stops18h 23m

£580

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 24/9

1 stop16h 35m

London Heathrow

Wed 2/10

2 stops20h 23m

£595

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Thu 17/10

2 stops55h 20m

London Heathrow

Mon 21/10

2 stops36h 25m

£624

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sat 5/10

2 stops29h 30m

London Heathrow

Tue 15/10

2 stops13h 50m

£625

Flights are sorted by cheapest first

Deals found on 29/5

How far ahead should I book a flight from Ottawa to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Ottawa to Heathrow. Price data was last updated on 24 May 2024.
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from Ottawa to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Ottawa to Heathrow. Price data was last updated on 26 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Ottawa to London Heathrow Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ottawa to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ottawa with our price prediction graph.
Estimated return 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.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 30 May 2024.
See what other customers who have flown with Lufthansa, SWISS and Air Canada from Ottawa to London have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

SWISS
7.8
Good
1,954 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Austrian Airlines
7.7
Good
1,023 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

WestJet
7.5
Good
2,869 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Scandinavian Airlines
7.4
Good
1,402 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

United Airlines
7.4
Good
10,777 reviews
SWISS
7.8
Good
1,954 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Food

7.4

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Heathrow. 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 from for flights from Ottawa to London Heathrow?

    If you book a flight to London Heathrow from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 0 flights from Ottawa to London Heathrow per day from 1 airline.

  • Can I find flights from Ottawa to London Heathrow Airport for under £600 on Cheapflights?

    Yes, there are multiple flights from Ottawa to London Heathrow Airport for under £600. The cheapest flight booked recently is on Multiple Airlines for just £558, but on average you can expect to pay £580.

  • Are there last-minute flights available from Ottawa to London Heathrow Airport for under £600?

    There are currently 20+ open flights from Ottawa to London Heathrow Airport within the next 7 days for less than £600.

  • What are the cheapest airlines flying from Ottawa to London Heathrow Airport round-trip?

    According to our current data, Air Canada (£559), Lufthansa (£561), and United Airlines (£595) offers the cheapest pricing from Ottawa to London Heathrow Airport. You may be able to fly from Ottawa to London Heathrow Airport for 13% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ottawa to London Heathrow Airport one-way?

    £230 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on SWISS and WestJet, with prices starting from £248 and £507, respectively.

  • What does YOW to LHR mean?

    YOW stands for Ottawa Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Ottawa to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ottawa to Heathrow that include hotel bookings?

    Yes. In addition to deals on Ottawa to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Heathrow.

  • Can I find deals for business class flights from Ottawa to Heathrow?

    Yes. Cheapflights offers flight deals from Ottawa to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ottawa to Heathrow that allow pets onboard?

    Many airlines flying from Ottawa to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ottawa to Heathrow?

    Yes, you can often find last-minute deals on Ottawa to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ottawa to London Heathrow Airport flight deals updated?

    The Ottawa to London Heathrow Airport flight deals you see on this page were last updated on 30/5.

  • What is the cheapest month to book a flight from Ottawa to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of £110). Flying from Ottawa to London Heathrow Airport in June is currently the most expensive (average of £162). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Ottawa to Heathrow

Discover the top airline that operate flights from Ottawa to Heathrow. 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 908,271 searches. Data last updated 30 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£550Average£613FlexibilityNo cancel feeOn-time67%
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Search flights from Ottawa to Heathrow by cabin class

Find flights from Ottawa to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Heathrow?

When you search for this flight from Ottawa to Heathrow, 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 Ottawa to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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