Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to London Heathrow Airport from £352

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 17/6. 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
23 May — 30 May1
1 adult
Thu 23/5
Thu 30/5

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 18 May 2024.

Popular in

July

Cheapest in

November

Average price

£642

Round-trip from

£68
High demand for flights, 18% potential price rise
Search Deals
Best time to find cheap flights, 12% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Ottawa to London Heathrow
Search Deals

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 £582.

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 £453. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Ottawa to London Heathrow Airport (YOW - 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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 6% on airfare.

Cheap Air Canada flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by Air Canada 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 835,321 searches. Data last updated 18 May 2024.
Consider these cheap Air Canada flights we've found departing from Ottawa to London. It's recommended that users confirm their flight details before booking.
Wed 12/607:00YOW - LHR
1 stop9h 00mAir Canada
Mon 17/614:05LHR - YOW
1 stop23h 36mAir Canada
Deal found 17/5£556
Tue 4/607:00YOW - LHR
1 stop9h 00mAir Canada
Tue 11/614:05LHR - YOW
1 stop13h 01mAir Canada
Deal found 17/5£557
Wed 12/615:10YOW - LHR
2 stops10h 20mAir Canada
Mon 17/608:40LHR - YOW
2 stops29h 01mAir Canada
Deal found 17/5£560
Tue 28/507:00YOW - LHR
1 stop9h 00mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 17/5£570
Mon 27/513:25YOW - LHR
1 stop15h 35mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£571
Sun 15/918:20YOW - LHR
1 stop21h 40mAir Canada
Mon 7/1009:30LHR - YOW
1 stop13h 00mAir Canada
Deal found 17/5£582
Thu 3/1007:00YOW - LHR
1 stop9h 00mAir Canada
Thu 17/1012:40LHR - YOW
1 stop14h 59mAir Canada
Deal found 18/5£585
Mon 3/611:00YOW - LHR
1 stop14h 30mAir Canada
Wed 19/608:40LHR - YOW
2 stops29h 01mAir Canada
Deal found 17/5£586
Wed 29/507:00YOW - LHR
1 stop9h 00mAir Canada
Fri 7/609:30LHR - YOW
2 stops13h 15mAir Canada
Deal found 17/5£587

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 835,321 searches. Data last updated 18 May 2024.
Take a gander at the lowest prices we've found on Lufthansa flights from Ottawa to London. Check back soon if you're not seeing flights that suit your needs.
Sun 6/1018:40YOW - LHR
1 stop10h 20mLufthansa
Thu 10/1009:30LHR - YOW
2 stops18h 23mLufthansa
Deal found 16/5£584
Fri 18/1012:00YOW - LHR
1 stop16h 35mLufthansa
Mon 21/1020:25LHR - YOW
2 stops26h 48mLufthansa
Deal found 17/5£649
Sun 8/918:40YOW - LHR
2 stops13h 10mLufthansa
Sat 21/910:30LHR - YOW
2 stops13h 30mLufthansa
Deal found 18/5£766
Fri 6/918:40YOW - LHR
2 stops13h 10mLufthansa
Sun 6/1010:30LHR - YOW
2 stops13h 30mLufthansa
Deal found 17/5£831
Wed 12/612:00YOW - LHR
1 stop13h 35mLufthansa
Mon 24/610:30LHR - YOW
2 stops18h 17mLufthansa
Deal found 18/5£838
Thu 3/1017:00YOW - LHR
1 stop11h 35mLufthansa
Thu 17/1010:30LHR - YOW
2 stops13h 30mLufthansa
Deal found 18/5£853

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 835,321 searches. Prices were last updated on 18 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.
Mon 27/513:25YOW - LHR
1 stop15h 35mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£571
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 17/5£584
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£585
Mon 27/515:10YOW - LHR
2 stops13h 50mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£587
Thu 6/608:10YOW - LHR
2 stops32h 20mSWISS
Thu 13/608:40LHR - YOW
2 stops15h 37mSWISS
Deal found 18/5£599
Fri 31/508:10YOW - LHR
1 stop20h 50mAir Canada
Sun 16/609:30LHR - YOW
1 stop17h 36mAir Canada
Deal found 18/5£601
Fri 7/615:10YOW - LHR
2 stops13h 50mAir Canada
Sat 15/612:40LHR - YOW
2 stops25h 45mAir Canada
Deal found 18/5£602
Fri 7/607:00YOW - LHR
1 stop9h 00mAir Canada
Sat 15/609:30LHR - YOW
1 stop12h 02mAir Canada
Deal found 18/5£626
Thu 6/608:10YOW - LHR
2 stops28h 45mSWISS
Thu 13/606:00LHR - YOW
2 stops18h 17mSWISS
Deal found 17/5£631

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 835,321 searches. Data last updated 18 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 20mMultiple Airlines
Tue 22/1006:00LHR - YOW
2 stops18h 13mMultiple Airlines
Deal found 18/5£548
Tue 1/1007:00YOW - LHR
1 stop9h 00mMultiple Airlines
Tue 22/1014:05LHR - YOW
1 stop13h 00mMultiple Airlines
Deal found 18/5£556
Tue 1/1015:10YOW - LHR
2 stops10h 20mAir Canada
Tue 22/1008:40LHR - YOW
2 stops13h 50mAir Canada
Deal found 18/5£560
Wed 9/1011:00YOW - LHR
1 stop14h 30mMultiple Airlines
Wed 23/1007:25LHR - YOW
2 stops15h 48mMultiple Airlines
Deal found 18/5£567
Wed 9/1011:00YOW - LHR
1 stop14h 30mAir Canada
Sat 26/1014:05LHR - YOW
1 stop24h 17mAir Canada
Deal found 18/5£570
Mon 27/513:25YOW - LHR
1 stop15h 35mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£571
Sun 15/918:20YOW - LHR
1 stop21h 40mAir Canada
Mon 7/1014:05LHR - YOW
1 stop13h 00mAir Canada
Deal found 18/5£582
Thu 6/607:00YOW - LHR
1 stop9h 00mAir Canada
Thu 13/612:40LHR - YOW
1 stop9h 59mAir Canada
Deal found 17/5£584
Sun 6/1018:40YOW - LHR
1 stop10h 20mLufthansa
Thu 10/1007:30LHR - YOW
2 stops16h 43mLufthansa
Deal found 18/5£585

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 835,321 searches. Data last updated 18 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.
Mon 27/513:25YOW - LHR
1 stop15h 35mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£571
Mon 27/515:10YOW - LHR
2 stops13h 50mAir Canada
Sat 8/614:05LHR - YOW
1 stop23h 37mAir Canada
Deal found 18/5£587
Sun 26/517:00YOW - LHR
1 stop18h 35mVirgin Atlantic
Mon 10/609:00LHR - YOW
1 stop10h 50mVirgin Atlantic
Deal found 17/5£795
Sun 26/517:26YOW - LHR
2 stops32h 19mUnited Airlines
Mon 10/606:50LHR - YOW
2 stops22h 05mUnited Airlines
Deal found 17/5£808
Fri 24/512:00YOW - LHR
2 stops17h 00mMultiple Airlines
Sun 26/506:50LHR - YOW
3 stops23h 42mMultiple Airlines
Deal found 17/5£966
Fri 24/512:50YOW - LHR
1 stop27h 10mMultiple Airlines
Sun 26/509:30LHR - YOW
2 stops14h 47mMultiple Airlines
Deal found 17/5£1,005
Fri 24/520:00YOW - LHR
1 stop10h 50mAir Canada
Sun 26/509:30LHR - YOW
1 stop12h 08mAir Canada
Deal found 17/5£1,008
Fri 24/513:25YOW - LHR
2 stops19h 15mSWISS
Sun 26/506:00LHR - YOW
2 stops19h 12mSWISS
Deal found 17/5£1,024
Mon 27/507:10YOW - LHR
2 stops24h 45mMultiple Airlines
Sat 8/606:40LHR - YOW
3 stops17h 37mMultiple Airlines
Deal found 18/5£1,038

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 835,321 searches. Data last updated 18 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.
Mon 17/620:50YOW - LHR
2 stops17h 35mMultiple Airlines
Deal found 17/5£352
Sat 13/720:00YOW - LHR
2 stops14h 55mMultiple Airlines
Deal found 17/5£369
Wed 11/920:30YOW - LHR
2 stops42h 15mMultiple Airlines
Deal found 17/5£373
Mon 17/620:50YOW - LHR
2 stops17h 20mMultiple Airlines
Deal found 18/5£375
Thu 11/707:10YOW - LHR
3 stops32h 10mMultiple Airlines
Deal found 18/5£376
Thu 11/716:15YOW - LHR
2 stops14h 40mMultiple Airlines
Deal found 18/5£380
Wed 10/713:38YOW - LHR
2 stops17h 17mMultiple Airlines
Deal found 18/5£381
Wed 28/816:55YOW - LHR
2 stops16h 00mMultiple Airlines
Deal found 17/5£383
Wed 10/715:25YOW - LHR
3 stops15h 30mMultiple Airlines
Deal found 18/5£390

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 835,321 searches. Data last updated 18 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£548 - £760

Route

Depart

Return

Price

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 1/10

1 stop10h 20m

London Heathrow

Tue 22/10

2 stops18h 13m

£548

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 12/6

1 stop9h 00m

London Heathrow

Mon 17/6

1 stop23h 36m

£556

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 4/6

1 stop9h 00m

London Heathrow

Tue 11/6

1 stop13h 01m

£557

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 9/10

1 stop9h 00m

London Heathrow

Wed 23/10

2 stops15h 48m

£566

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 6/10

1 stop10h 20m

London Heathrow

Thu 10/10

2 stops18h 23m

£584

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 28/5

1 stop10h 10m

London Heathrow

Wed 5/6

2 stops20h 55m

£596

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sat 21/9

2 stops54h 20m

London Heathrow

Sat 5/10

2 stops15h 30m

£672

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Fri 18/10

2 stops13h 30m

London Heathrow

Mon 21/10

2 stops25h 08m

£690

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sat 26/10

2 stops13h 45m

London Heathrow

Sat 2/11

2 stops13h 35m

£760

Flights are sorted by cheapest first

Deals found on 18/5

When is the best time to 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 10 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

When is the cheapest time 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 12 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. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Ottawa to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to Heathrow is currently £376 while a return flight costs £614. Price data was last updated on 12 May 2024.

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 July is currently the most expensive (average of £165). 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.

January

£87

February

£98

March

£94

April

£103

May

£108

June

£129

July

£130

August

£113

September

£109

October

£124

November

£91

December

£95

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 18 May 2024.
See what other customers who have flown with Air Canada, Lufthansa and United Airlines 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.
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,561 reviews
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

SWISS
7.8
Good
1,984 reviews
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,049 reviews
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.6
Good
1,761 reviews
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

WestJet
7.5
Good
2,899 reviews
KLM
7.9
Good
1,561 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 £548, but on average you can expect to pay £581.

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

    There are currently 10+ 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 (£556), Lufthansa (£584), and United Airlines (£596) offers the cheapest pricing from Ottawa to London Heathrow Airport. You may be able to fly from Ottawa to London Heathrow Airport for 14% 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?

    £449 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air France and KLM, with prices starting from £538 and £559, 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 18/5.

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 835,321 searches. Data last updated 18 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£511Average£617FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Edinburgh to New York flights
Belfast to Southampton flights
Manchester to New York flights
London to Barbados flights
London to Puerto Rico flights
London to Sao Paulo flights
England to Türkiye flights
London Heathrow Airport to Newcastle upon Tyne flights
Newcastle upon Tyne to Dublin flights
London to Kenya flights
London to Bengaluru flights
Ottawa to London flights

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.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to La Paz El Alto Intl
Flights to Lhasa
Flights to Abbotsford
Flights to Parikia Paros
Flights to Cagayan de Oro Laguindingan
Flights to Comiso
Flights to Monterey Regional
Flights to Antakya Hatay
Flights to Samarkand
Flights to Houmt Souk Melita
Flights to Yanbian Yanji Chaoyangchuan
Flights to Daraga Bicol Intl
Flights to Port Vila Bauerfield
Flights to Edremit/Korfez
Flights to Guilin
Flights to Erie
Flights to Mont Lubin Rodrigues Is
Flights to Şırnak Sirnak Serafettin Elci
Flights to Elazig
Flights to Reggio Calabria Tito Menniti
Flights to Malatya Erhac
Flights to Leh
Flights to Tulum Intl
Flights to Praya Lombok Intl

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!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines