How do I get Price Alerts for flights from Ottawa to London Stansted Airport?

Price Alerts will notify you by email when the price for flights to London Stansted Airport from Ottawa decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Ottawa to London Stansted Airport with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from Ottawa Airport to London Stansted Airport are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to London Stansted Airport.

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

The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£209 Cheap Flights from Ottawa to London Stansted Airport in 2026

Find the cheapest flights from Ottawa to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:25 - 22:25YOW Ottawa-STN London Stansted

23h 00m2 stops Toronto Pearson Intl Dublin

06:30 - 00:20STN London Stansted-YOW Ottawa

22h 50m3 stops Dublin St John's Toronto Pearson Intl

£454Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

16:00 - 12:05YOW Ottawa-STN London Stansted

15h 05m2 stops Toronto Pearson Intl Madrid Barajas

05:55 - 21:15STN London Stansted-YOW Ottawa

20h 20m2 stops Madrid Barajas Toronto Pearson Intl

£466Multiple Airlines

Mon, 12 Oct - Mon, 19 Oct

14:45 - 11:40YOW Ottawa-STN London Stansted

15h 55m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

08:40 - 19:10STN London Stansted-YOW Ottawa

15h 30m2 stops Madrid Barajas Toronto Pearson Intl

£469Multiple Airlines

Tue, 15 Sep - Fri, 25 Sep

14:35 - 18:30YOW Ottawa-STN London Stansted

22h 55m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Madrid Barajas

05:55 - 21:15STN London Stansted-YOW Ottawa

20h 20m2 stops Madrid Barajas Toronto Pearson Intl

£471Multiple Airlines

Mon, 12 Oct - Mon, 19 Oct

11:15 - 16:55YOW Ottawa-STN London Stansted

24h 40m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

16:15 - 15:57STN London Stansted-YOW Ottawa

27h 42m3 stops Madrid Barajas Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

£474Multiple Airlines

Fri, 23 Oct - Fri, 30 Oct

06:55 - 23:20YOW Ottawa-STN London Stansted

35h 25m2 stops Toronto Pearson Intl Dublin

06:35 - 00:20STN London Stansted-YOW Ottawa

22h 45m2 stops Dublin Toronto Pearson Intl

£488Multiple Airlines

Fri, 4 Sep - Sun, 13 Sep

06:55 - 22:25YOW Ottawa-STN London Stansted

34h 30m2 stops Toronto Pearson Intl Dublin

22:00 - 00:20STN London Stansted-YOW Ottawa

31h 20m2 stops Dublin Toronto Pearson Intl

£488Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

06:55 - 19:30YOW Ottawa-STN London Stansted

31h 35m3 stops Toronto Pearson Intl St John's Dublin

06:30 - 00:20STN London Stansted-YOW Ottawa

22h 50m3 stops Dublin St John's Toronto Pearson Intl

£493Multiple Airlines

Wed, 30 Sep - Thu, 8 Oct

06:55 - 23:20YOW Ottawa-STN London Stansted

35h 25m2 stops Toronto Pearson Intl Dublin

06:30 - 17:35STN London Stansted-YOW Ottawa

16h 05m3 stops Dublin Halifax Intl Toronto Pearson Intl

£496Multiple Airlines

Thu, 3 Sep - Thu, 10 Sep

18:25 - 23:20YOW Ottawa-STN London Stansted

23h 55m2 stops Toronto Pearson Intl Dublin

06:30 - 17:35STN London Stansted-YOW Ottawa

16h 05m2 stops Dublin Toronto Pearson Intl

£497Multiple Airlines

Thu, 3 Sep - Thu, 10 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:55 - 14:45YOW Ottawa-STN London Stansted

26h 50m3 stops Toronto Pearson Intl Halifax Intl Barcelona-El Prat

06:30 - 00:20STN London Stansted-YOW Ottawa

22h 50m3 stops Dublin Halifax Intl Toronto Pearson Intl

£612Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

18:25 - 17:05YOW Ottawa-STN London Stansted

17h 40m2 stops Toronto Pearson Intl Dublin

22:25 - 17:35STN London Stansted-YOW Ottawa

24h 10m3 stops Edinburgh Turnhouse Halifax Intl Toronto Pearson Intl

£626Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

18:25 - 21:20YOW Ottawa-STN London Stansted

21h 55m2 stops Toronto Pearson Intl Dublin

08:15 - 00:20STN London Stansted-YOW Ottawa

21h 05m2 stops Edinburgh Turnhouse Toronto Pearson Intl

£661Multiple Airlines

Mon, 10 Aug - Wed, 12 Aug

10:00 - 12:45YOW Ottawa-STN London Stansted

21h 45m2 stops Toronto Pearson Intl Dublin

22:00 - 17:35STN London Stansted-YOW Ottawa

24h 35m2 stops Dublin Toronto Pearson Intl

£665Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

06:55 - 21:35YOW Ottawa-STN London Stansted

33h 40m2 stops Toronto Pearson Intl Edinburgh Turnhouse

08:05 - 00:20STN London Stansted-YOW Ottawa

21h 15m2 stops Edinburgh Turnhouse Toronto Pearson Intl

£678Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

18:25 - 21:20YOW Ottawa-STN London Stansted

21h 55m2 stops Toronto Pearson Intl Dublin

06:20 - 00:20STN London Stansted-YOW Ottawa

47h 00m3 stops Catania Fontanarossa Edinburgh Turnhouse Toronto Pearson Intl

£681Multiple Airlines

Mon, 10 Aug - Wed, 12 Aug

06:55 - 11:15YOW Ottawa-STN London Stansted

23h 20m3 stops Toronto Pearson Intl Halifax Intl Edinburgh Turnhouse

21:55 - 17:35STN London Stansted-YOW Ottawa

24h 40m2 stops Glasgow Intl Toronto Pearson Intl

£796Multiple Airlines

Mon, 10 Aug - Fri, 14 Aug

06:55 - 11:15YOW Ottawa-STN London Stansted

23h 20m3 stops Toronto Pearson Intl Halifax Intl Edinburgh Turnhouse

21:55 - 00:20STN London Stansted-YOW Ottawa

31h 25m2 stops Glasgow Intl Toronto Pearson Intl

£801Multiple Airlines

Mon, 10 Aug - Fri, 14 Aug

06:55 - 11:15YOW Ottawa-STN London Stansted

23h 20m3 stops Toronto Pearson Intl Halifax Intl Edinburgh Turnhouse

06:20 - 17:35STN London Stansted-YOW Ottawa

40h 15m3 stops Kastrup Copenhagen Halifax Intl Toronto Pearson Intl

£810Multiple Airlines

Mon, 10 Aug - Fri, 14 Aug

12:00 - 11:15YOW Ottawa-STN London Stansted

18h 15m2 stops Toronto Pearson Intl Edinburgh Turnhouse

21:55 - 00:20STN London Stansted-YOW Ottawa

31h 25m2 stops Glasgow Intl Toronto Pearson Intl

£874Multiple Airlines

Mon, 10 Aug - Fri, 14 Aug

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Use the filters below to find and compare flights from Ottawa to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Thu 1/10

18:25-22:25

2 stops23h 00m

London Stansted

Thu 8/10

06:30-00:20

3 stops22h 50m

£454

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Mon 12/10

16:00-12:05

2 stops15h 05m

London Stansted

Mon 19/10

05:55-21:15

2 stops20h 20m

£466

Fastest return journey

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Tue 15/9

14:45-11:40

2 stops15h 55m

London Stansted

Fri 25/9

08:40-19:10

2 stops15h 30m

£469

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Mon 12/10

14:35-18:30

3 stops22h 55m

London Stansted

Mon 19/10

05:55-21:15

2 stops20h 20m

£471

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 23/10

11:15-16:55

2 stops24h 40m

London Stansted

Fri 30/10

16:15-15:57

3 stops27h 42m

£474

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 4/9

06:55-23:20

2 stops35h 25m

London Stansted

Sun 13/9

06:35-00:20

2 stops22h 45m

£488

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Thu 24/9

06:55-22:25

2 stops34h 30m

London Stansted

Thu 1/10

22:00-00:20

2 stops31h 20m

£488

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Wed 30/9

06:55-19:30

3 stops31h 35m

London Stansted

Thu 8/10

06:30-00:20

3 stops22h 50m

£493

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Thu 3/9

06:55-23:20

2 stops35h 25m

London Stansted

Thu 10/9

06:30-17:35

3 stops16h 05m

£496

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Thu 3/9

18:25-23:20

2 stops23h 55m

London Stansted

Thu 10/9

06:30-17:35

2 stops16h 05m

£497

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from Ottawa to London Stansted Airport

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

Estimated return price

Cheap Ottawa to London Stansted Airport (YOW to STN) flight deals and tips

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

Fastest flight time	20h 05m
Direct flights	None

The fastest flight from Ottawa to London Stansted Airport takes 20h 05m

There are no direct flights from Ottawa to London Stansted Airport. There are no popular flight routes from Ottawa to London Stansted Airport.

Search flight deals

Frequently asked questions about flying from Ottawa to London Stansted Airport

How far is Ottawa to London Stansted by plane?
The distance between Ottawa and London Stansted is about 3332.5 mi. 20h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Ottawa Airport to London Stansted Airport?
Prices for flights from Ottawa Airport to London Stansted Airport are refreshed on a daily basis.
How old do you have to be to fly from Ottawa Airport to London Stansted Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Ottawa to London Stansted Airport

How do I get Price Alerts for flights from Ottawa to London Stansted Airport?
Price Alerts will notify you by email when the price for flights to London Stansted Airport from Ottawa decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Ottawa to London Stansted Airport with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Hastings

Canterbury

Guildford

Chichester

Hayes

Bedford

Harlow

Colchester

Chelmsford

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?

momondo does allow users to show only those flights to London from Ottawa which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ottawa to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Ottawa to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.