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Cheap flights from London Stansted Airport to Ottawa from £208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Ottawa departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Stansted Airport to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 00:20STN  London Stansted-YOW Ottawa
32h 30m3 stops Barcelona-El Prat Halifax Intl Toronto Pearson Intl
Multiple Airlines Logo
06:55 - 20:40YOW  Ottawa-STN London Stansted
32h 45m3 stops Toronto Pearson Intl Halifax Intl Edinburgh Turnhouse
£457Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
06:35 - 00:20STN  London Stansted-YOW Ottawa
22h 45m3 stops Dublin Halifax Intl Toronto Pearson Intl
Multiple Airlines Logo
18:25 - 13:15YOW  Ottawa-STN London Stansted
13h 50m2 stops Toronto Pearson Intl Glasgow Intl
£457Multiple Airlines
Sat, 12 Sep - Tue, 15 Sep
Multiple Airlines Logo
06:30 - 00:20STN  London Stansted-YOW Ottawa
22h 50m2 stops Dublin Toronto Pearson Intl
Multiple Airlines Logo
18:25 - 20:00YOW  Ottawa-STN London Stansted
20h 35m2 stops Toronto Pearson Intl Edinburgh Turnhouse
£462Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
22:45 - 17:35STN  London Stansted-YOW Ottawa
23h 50m2 stops Dublin Toronto Pearson Intl
Multiple Airlines Logo
20:55 - 23:20YOW  Ottawa-STN London Stansted
21h 25m2 stops Toronto Pearson Intl Dublin
£462Multiple Airlines
Wed, 23 Sep - Sat, 17 Oct
Multiple Airlines Logo
06:35 - 17:35STN  London Stansted-YOW Ottawa
16h 00m2 stops Dublin Toronto Pearson Intl
Multiple Airlines Logo
18:25 - 21:20YOW  Ottawa-STN London Stansted
21h 55m2 stops Toronto Pearson Intl Dublin
£465Multiple Airlines
Fri, 25 Sep - Fri, 2 Oct
Multiple Airlines Logo
06:30 - 00:20STN  London Stansted-YOW Ottawa
22h 50m3 stops Dublin St John's Toronto Pearson Intl
Multiple Airlines Logo
18:25 - 23:20YOW  Ottawa-STN London Stansted
23h 55m2 stops Toronto Pearson Intl Dublin
£469Multiple Airlines
Thu, 10 Sep - Sat, 10 Oct
Multiple Airlines Logo
06:30 - 09:05STN  London Stansted-YOW Ottawa
31h 35m3 stops Dublin Halifax Intl Toronto Pearson Intl
Multiple Airlines Logo
06:55 - 19:30YOW  Ottawa-STN London Stansted
31h 35m3 stops Toronto Pearson Intl St John's Dublin
£470Multiple Airlines
Wed, 23 Sep - Wed, 7 Oct
Multiple Airlines Logo
22:45 - 00:20STN  London Stansted-YOW Ottawa
30h 35m3 stops Dublin St John's Toronto Pearson Intl
Multiple Airlines Logo
18:25 - 17:35YOW  Ottawa-STN London Stansted
18h 10m2 stops Toronto Pearson Intl Dublin
£473Multiple Airlines
Wed, 9 Sep - Wed, 23 Sep
Multiple Airlines Logo
06:30 - 00:20STN  London Stansted-YOW Ottawa
22h 50m3 stops Dublin Halifax Intl Toronto Pearson Intl
Multiple Airlines Logo
07:20 - 22:50YOW  Ottawa-STN London Stansted
34h 30m2 stops Calgary Edinburgh Turnhouse
£474Multiple Airlines
Wed, 23 Sep - Wed, 7 Oct

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momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from London Stansted Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Mon 14/9

20:50-00:20

3 stops32h 30m

Ottawa

Mon 21/9

06:55-20:40

3 stops32h 45m

£457
Fastest return journey

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Sat 12/9

06:35-00:20

3 stops22h 45m

Ottawa

Tue 15/9

18:25-13:15

2 stops13h 50m

£457

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Thu 24/9

06:30-00:20

2 stops22h 50m

Ottawa

Tue 29/9

18:25-20:00

2 stops20h 35m

£462

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 23/9

22:45-17:35

2 stops23h 50m

Ottawa

Sat 17/10

20:55-23:20

2 stops21h 25m

£462

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Fri 25/9

06:35-17:35

2 stops16h 00m

Ottawa

Fri 2/10

18:25-21:20

2 stops21h 55m

£465

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Thu 10/9

06:30-00:20

3 stops22h 50m

Ottawa

Sat 10/10

18:25-23:20

2 stops23h 55m

£469

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 23/9

06:30-09:05

3 stops31h 35m

Ottawa

Wed 7/10

06:55-19:30

3 stops31h 35m

£470

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 9/9

22:45-00:20

3 stops30h 35m

Ottawa

Wed 23/9

18:25-17:35

2 stops18h 10m

£473

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 23/9

06:30-00:20

3 stops22h 50m

Ottawa

Wed 7/10

07:20-22:50

2 stops34h 30m

£474
Cheapest one-way

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Mon 21/9

17:20-18:15

2 stops29h 55m

£208

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Stansted Airport to Ottawa

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 day to depart on your flight to Ottawa?

The cheapest day to depart on your flight to Ottawa is on a Friday when prices can be found for as low as £521. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around £609. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

What is the cheapest time of day to depart on your flight to Ottawa?

Flying to Ottawa from London Stansted Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £543 when looking at flights departing in the morning. At midday is when there is more demand to fly to Ottawa, so prices are often more expensive at around £620 per ticket.

When to book flights from London Stansted Airport to Ottawa

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

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

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from London Stansted Airport to Ottawa takes 14h 30m
There are no direct flights from London Stansted Airport to Ottawa. There are no popular flight routes from London Stansted Airport to Ottawa.
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Frequently asked questions about flying from London Stansted Airport to Ottawa

  • How far is London Stansted to Ottawa by plane?

    Ottawa is 3332.5 mi away from London Stansted. A reasonable flight in good conditions will take 14h 30m.

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

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

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

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

    The travel and health documents required for your trip to Ottawa 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 Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Smiths Falls

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Ottawa. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ottawa from London with this policy.

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

momondo helps you find the best flight between London and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from London and alert you when they change.

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