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Cheap flights from Ottawa to London Heathrow Airport from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London Heathrow Airport departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to London.

Cheap last minute flights

Planning a quick getaway from Ottawa to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to London

Find recent round-trip train or bus tickets from Ottawa to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
5:20 pm - 10:30 amYOW-LHR
12h 10m1 stop
9:00 am - 3:10 pmLHR-YOW
11h 10m1 stop
$592Air France
Find Deal
Sat, Jan 18 - Sun, Jan 26
5:20 pm - 10:30 amYOW-LHR
12h 10m1 stop
6:20 am - 3:10 pmLHR-YOW
13h 50m1 stop
$593Air France
Find Deal
Sat, Jan 18 - Sun, Jan 26
5:00 pm - 8:00 amYOW-LHR
10h 00m1 stop
6:15 am - 2:50 pmLHR-YOW
13h 35m1 stop
$594Virgin Atlantic
Find Deal
Sat, Apr 12 - Sat, Apr 26
6:20 pm - 6:20 pmYOW-LHR
20h 00m1 stop
6:15 am - 2:50 pmLHR-YOW
13h 35m1 stop
$595Virgin Atlantic
Find Deal
Thu, Mar 27 - Tue, Apr 1
5:20 pm - 10:45 amYOW-LHR
12h 25m2 stops
6:20 am - 3:10 pmLHR-YOW
13h 50m1 stop
Sat, Jan 18 - Sun, Jan 26
5:20 pm - 10:45 amYOW-LHR
12h 25m2 stops
9:00 am - 3:10 pmLHR-YOW
11h 10m1 stop
Sat, Jan 18 - Sun, Jan 26
2:45 pm - 8:30 amYOW-LHR
12h 45m2 stops
9:00 am - 4:56 pmLHR-YOW
12h 56m1 stop
$701Air Canada
Find Deal
Mon, Dec 2 - Mon, Dec 9
2:45 pm - 8:30 amYOW-LHR
12h 45m2 stops
3:00 pm - 1:37 amLHR-YOW
15h 37m2 stops
$707Air Canada
Find Deal
Mon, Dec 2 - Mon, Dec 9
6:40 pm - 6:30 amYOW-LHR
6h 50mnonstop
9:30 am - 3:03 pmLHR-YOW
10h 33m1 stop
$710Lufthansa
Find Deal
Mon, Mar 31 - Fri, Apr 11
8:55 pm - 8:35 amYOW-LHR
6h 40mnonstop
12:40 pm - 3:20 pmLHR-YOW
7h 40mnonstop
$713Lufthansa
Find Deal
Wed, Apr 9 - Sat, Apr 19
6:15 am - 4:35 pmYOW-LHR
29h 20m2 stops
$351WestJet
Find Deal
Tue, Dec 10
6:30 am - 12:50 pmYOW-LHR
25h 20m2 stops
$415WestJet
Find Deal
Fri, Apr 18
5:20 pm - 5:50 pmYOW-LHR
19h 30m2 stops
Wed, Dec 11
5:55 am - 10:45 amYOW-LHR
23h 50m2 stops
Sun, Jan 19
11:50 am - 5:50 pmYOW-LHR
25h 00m3 stops
Wed, Dec 11
4:00 pm - 4:20 pmYOW-LHR
19h 20m2 stops
$736SWISS
Find Deal
Mon, Dec 2
6:20 am - 7:55 amYOW-LHR
20h 35m1 stop
$737United Airlines
Find Deal
Tue, Dec 3
4:00 pm - 1:00 pmYOW-LHR
16h 00m2 stops
$791SWISS
Find Deal
Thu, Nov 28
8:15 pm - 8:20 amYOW-LHR
55h 05m2 stops
$795Austrian Airlines
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Fri, Jan 3
4:00 pm - 8:30 amYOW-LHR
11h 30m1 stop
$916Austrian Airlines
Find Deal
Fri, Jan 3
6:40 pm - 6:30 amYOW-LHR
6h 50mnonstop
2:05 pm - 4:45 pmLHR-YOW
7h 40mnonstop
$710Lufthansa
Find Deal
Mon, Mar 31 - Mon, Apr 7
8:55 pm - 8:35 amYOW-LHR
6h 40mnonstop
2:05 pm - 4:45 pmLHR-YOW
7h 40mnonstop
$712Lufthansa
Find Deal
Sat, Apr 5 - Mon, Apr 21
8:55 pm - 8:35 amYOW-LHR
6h 40mnonstop
12:40 pm - 3:20 pmLHR-YOW
7h 40mnonstop
$713Lufthansa
Find Deal
Wed, Apr 9 - Wed, Apr 23
6:40 pm - 6:30 amYOW-LHR
6h 50mnonstop
2:05 pm - 4:45 pmLHR-YOW
7h 40mnonstop
$751Lufthansa
Find Deal
Mon, Apr 28 - Mon, May 12
6:40 pm - 6:30 amYOW-LHR
6h 50mnonstop
12:40 pm - 3:20 pmLHR-YOW
7h 40mnonstop
$789Lufthansa
Find Deal
Thu, May 1 - Wed, May 21

Air France flights from Ottawa to London Heathrow Airport

Our best Air France deals on Ottawa to London Heathrow Airport flight tickets
Air France
Jan 18
YOW5:20 pmOttawa
12h 10m
1 stop
LHR10:30 amLondon Heathrow
Jan 26
LHR9:00 amLondon Heathrow
11h 10m
1 stop
YOW3:10 pmOttawa
Air France
Jan 18
YOW5:20 pmOttawa
12h 10m
1 stop
LHR10:30 amLondon Heathrow
Jan 26
LHR6:20 amLondon Heathrow
13h 50m
1 stop
YOW3:10 pmOttawa
Air France
Apr 7
YOW5:00 pmOttawa
10h 00m
1 stop
LHR8:00 amLondon Heathrow
Apr 23
LHR6:15 amLondon Heathrow
13h 35m
1 stop
YOW2:50 pmOttawa

KLM flights from Ottawa to London Heathrow Airport

Our best KLM deals on Ottawa to London Heathrow Airport flight tickets
KLM
Jan 18
YOW5:20 pmOttawa
12h 25m
2 stops
LHR10:45 amLondon Heathrow
Jan 26
LHR6:30 amLondon Heathrow
13h 40m
2 stops
YOW3:10 pmOttawa
KLM
Mar 2
YOW5:20 pmOttawa
12h 25m
2 stops
LHR10:45 amLondon Heathrow
Mar 30
LHR6:30 amLondon Heathrow
13h 20m
2 stops
YOW2:50 pmOttawa
KLM
Jan 19
YOW5:20 pmOttawa
12h 25m
2 stops
LHR10:45 amLondon Heathrow
Jan 26
LHR6:30 amLondon Heathrow
13h 40m
2 stops
YOW3:10 pmOttawa

See travel insights to London from

How to get the cheapest flight ticket from Ottawa to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

November. The cheapest time of year to fly to London Heathrow Airport from Ottawa is November. Most expensive is July

What is the cheapest day to depart Ottawa for London Heathrow Airport?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Wednesday

When is the cheapest time to fly from Ottawa to London Heathrow Airport?

In the afternoon. Ottawa to London Heathrow Airport flights are approximately 11% more expensive at noon than in the afternoon

How far in advance should you book Ottawa to London Heathrow Airport flights?

54 days before. The cheapest time to buy a flight from Ottawa to London Heathrow Airport is approximately 54 days to departure

Can stopping save me money on Ottawa to London Heathrow Airport flights?

You could potentially save up to 41% on your flight if you consider stops on a Ottawa to London Heathrow Airport flight.

How have Ottawa to London Heathrow Airport flight prices changed over time?

As of November 2024, prices for Ottawa to London Heathrow Airport flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to London Heathrow Airport (YOW to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London Heathrow Airport

Best Price Found

$351

Fastest flight time

6h 40m

Direct flights

Tue, Thu, Fri and Sun
The best one-way flight to London Heathrow Airport from Ottawa in the past 72 hours is $351. The best round-trip flight deal from Ottawa to London Heathrow Airport found on momondo in the last 72 hours is $592.
The fastest flight from Ottawa to London Heathrow Airport takes 6h 40m
Direct flights go from Ottawa to London Heathrow Airport on Tuesday, Thursday, Friday and Sunday. The only airline offering direct flights is Lufthansa.

  • How far is Ottawa to London Heathrow by plane?

    Ottawa and London Heathrow are 3317.2 mi apart from one another. By plane, this route typically takes 6h 40m.

  • When did momondo last update prices for flights from Ottawa Airport to London Heathrow Airport?

    Prices for flights from Ottawa Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to London Heathrow Airport?

  • How old do you have to be to fly from Ottawa Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to London Heathrow Airport?

  • What is the most popular airline from Ottawa to London Heathrow Airport?


Best airlines flying from Ottawa to London Heathrow Airport

Compare and see reviews for airlines that fly from Ottawa to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $723Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
LufthansaPriceFrom $755Free CancellationRating
6.8
7,148 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Ottawa.

Can I find flights from Ottawa to London with flexible booking policies on momondo?

Yes. All flights to London from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ottawa to London?

momondo provides multiple filters to help you find the best flight to London from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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