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 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 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.

C$ 438 Cheap Flights from London Stansted Airport to Ottawa in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Stansted Airport to Ottawa

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:20 p.m. - 12:39 a.m.STN-YOW

37h 19m3 stops

5:40 a.m. - 8:05 p.m.YOW-STN

34h 25m2 stops

C$ 896Multiple Airlines

Find Deal

Fri, 13 Mar - Fri, 20 Mar

9:45 p.m. - 12:39 a.m.STN-YOW

30h 54m2 stops

5:40 a.m. - 8:05 p.m.YOW-STN

34h 25m2 stops

C$ 899Multiple Airlines

Find Deal

Fri, 13 Mar - Fri, 20 Mar

10:00 p.m. - 12:22 a.m.STN-YOW

31h 22m2 stops

5:55 a.m. - 2:15 p.m.YOW-STN

27h 20m3 stops

C$ 940Multiple Airlines

Find Deal

Mon, 18 May - Sun, 31 May

6:30 a.m. - 12:22 a.m.STN-YOW

22h 52m3 stops

5:55 a.m. - 2:15 p.m.YOW-STN

27h 20m3 stops

C$ 952Multiple Airlines

Find Deal

Mon, 18 May - Sun, 31 May

6:30 a.m. - 12:22 a.m.STN-YOW

22h 52m3 stops

5:55 a.m. - 2:15 p.m.YOW-STN

27h 20m3 stops

C$ 1,018Multiple Airlines

Find Deal

Mon, 27 Apr - Sun, 10 May

10:45 p.m. - 12:22 a.m.STN-YOW

30h 37m2 stops

5:05 p.m. - 2:15 p.m.YOW-STN

16h 10m2 stops

C$ 1,063Multiple Airlines

Find Deal

Mon, 18 May - Sun, 31 May

10:00 p.m. - 12:22 a.m.STN-YOW

31h 22m2 stops

5:55 a.m. - 12:50 p.m.YOW-STN

25h 55m2 stops

C$ 1,065Multiple Airlines

Find Deal

Sat, 23 May - Mon, 1 Jun

9:45 p.m. - 12:39 a.m.STN-YOW

30h 54m2 stops

6:55 p.m. - 12:50 p.m.YOW-STN

12h 55m2 stops

C$ 1,144Multiple Airlines

Find Deal

Wed, 18 Mar - Wed, 8 Apr

6:30 a.m. - 12:43 a.m.STN-YOW

23h 13m3 stops

6:55 p.m. - 1:20 p.m.YOW-STN

13h 25m2 stops

C$ 1,191Multiple Airlines

Find Deal

Wed, 25 Feb - Wed, 4 Mar

8:25 p.m. - 12:42 a.m.STN-YOW

33h 17m3 stops

3:55 p.m. - 3:05 p.m.YOW-STN

18h 10m3 stops

C$ 1,331Multiple Airlines

Find Deal

Sat, 13 Dec - Wed, 7 Jan

momondo Fare Finder

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

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 13/3

3:20 p.m.-12:39 a.m.

3 stops37h 19m

Ottawa

Fri 20/3

5:40 a.m.-8:05 p.m.

2 stops34h 25m

C$ 896

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 13/3

9:45 p.m.-12:39 a.m.

2 stops30h 54m

Ottawa

Fri 20/3

5:40 a.m.-8:05 p.m.

2 stops34h 25m

C$ 899

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 18/5

10:00 p.m.-12:22 a.m.

2 stops31h 22m

Ottawa

Sun 31/5

5:55 a.m.-2:15 p.m.

3 stops27h 20m

C$ 940

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 18/5

6:30 a.m.-12:22 a.m.

3 stops22h 52m

Ottawa

Sun 31/5

5:55 a.m.-2:15 p.m.

3 stops27h 20m

C$ 952

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 27/4

6:30 a.m.-12:22 a.m.

3 stops22h 52m

Ottawa

Sun 10/5

5:55 a.m.-2:15 p.m.

3 stops27h 20m

C$ 1,018

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 18/5

10:45 p.m.-12:22 a.m.

2 stops30h 37m

Ottawa

Sun 31/5

5:05 p.m.-2:15 p.m.

2 stops16h 10m

C$ 1,063

LondonOttawa

STN - YOW

STNYOW

London Stansted

Sat 23/5

10:00 p.m.-12:22 a.m.

2 stops31h 22m

Ottawa

Mon 1/6

5:55 a.m.-12:50 p.m.

2 stops25h 55m

C$ 1,065

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 18/3

9:45 p.m.-12:39 a.m.

2 stops30h 54m

Ottawa

Wed 8/4

6:55 p.m.-12:50 p.m.

2 stops12h 55m

C$ 1,144

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 25/2

6:30 a.m.-12:43 a.m.

3 stops23h 13m

Ottawa

Wed 4/3

6:55 p.m.-1:20 p.m.

2 stops13h 25m

C$ 1,191

LondonOttawa

STN - YOW

STNYOW

London Stansted

Sat 13/12

8:25 p.m.-12:42 a.m.

3 stops33h 17m

Ottawa

Wed 7/1

3:55 p.m.-3:05 p.m.

3 stops18h 10m

C$ 1,331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

Our data shows that Friday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 953. Flights from London Stansted Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 2,071. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from London Stansted Airport to Ottawa during this time can be as low as C$ 1,034. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,131 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 round-trip 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	19h 38m
Direct flights	None

The fastest flight from London Stansted Airport to Ottawa takes 19h 38m

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

Search flight deals

How far is London Stansted to Ottawa by plane?
A flight from London Stansted to Ottawa will travel around 5363.2 km. Typically, this will take 16h 45m by plane in normal conditions.
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 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 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.

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Wakefield

Calabogie

Prescott

Petawawa

Why use momondo?

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

It is quick and easy to find London to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

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

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

Once all potential London to Ottawa 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 London to Ottawa right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ottawa from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.