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$ 454 Cheap Flights from London Stansted Airport to Ottawa in 2026

1 adult

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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.

6:30 a.m. - 12:39 a.m.

STN

YOW

22h 09m

2 stops

5:40 a.m. - 6:20 p.m.

YOW

STN

32h 40m

2 stops

C$ 774Multiple Airlines

Thu, 12 Mar - Mon, 23 Mar

6:30 a.m. - 12:39 a.m.

STN

YOW

22h 09m

2 stops

5:40 a.m. - 8:00 p.m.

YOW

STN

34h 20m

3 stops

C$ 910Multiple Airlines

Thu, 12 Mar - Mon, 23 Mar

10:50 p.m. - 12:22 a.m.

STN

YOW

30h 32m

3 stops

5:55 a.m. - 9:20 p.m.

YOW

STN

34h 25m

3 stops

C$ 971Multiple Airlines

Fri, 5 Jun - Fri, 3 Jul

10:45 p.m. - 12:39 a.m.

STN

YOW

30h 54m

2 stops

5:55 a.m. - 10:00 p.m.

YOW

STN

35h 05m

2 stops

C$ 1,048Multiple Airlines

Wed, 1 Apr - Sat, 12 Sep

10:45 p.m. - 12:39 a.m.

STN

YOW

30h 54m

2 stops

5:40 a.m. - 9:20 p.m.

YOW

STN

34h 40m

2 stops

C$ 1,057Multiple Airlines

Wed, 1 Apr - Fri, 10 Apr

8:25 p.m. - 12:39 a.m.

STN

YOW

33h 14m

3 stops

5:40 a.m. - 7:20 p.m.

YOW

STN

32h 40m

2 stops

C$ 1,078Multiple Airlines

Wed, 1 Apr - Fri, 10 Apr

6:30 a.m. - 8:18 a.m.

STN

YOW

30h 48m

3 stops

10:20 a.m. - 2:50 p.m.

YOW

STN

23h 30m

2 stops

C$ 1,128Multiple Airlines

Fri, 13 Feb - Fri, 20 Feb

9:45 p.m. - 12:20 a.m.

STN

YOW

31h 35m

3 stops

5:55 a.m. - 5:35 p.m.

YOW

STN

30h 40m

3 stops

C$ 1,146Multiple Airlines

Wed, 17 Jun - Fri, 26 Jun

10:45 p.m. - 6:34 p.m.

STN

YOW

24h 49m

2 stops

5:55 a.m. - 7:20 p.m.

YOW

STN

32h 25m

3 stops

C$ 1,226Multiple Airlines

Wed, 1 Apr - Sat, 12 Sep

9:45 p.m. - 6:38 p.m.

STN

YOW

25h 53m

3 stops

2:05 p.m. - 9:50 a.m.

YOW

STN

14h 45m

2 stops

C$ 1,401Multiple Airlines

Fri, 13 Feb - Sat, 21 Feb

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

Thu 12/3

6:30 a.m.-12:39 a.m.

2 stops22h 09m

Ottawa

Mon 23/3

5:40 a.m.-6:20 p.m.

2 stops32h 40m

C$ 774

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 12/3

6:30 a.m.-12:39 a.m.

2 stops22h 09m

Ottawa

Mon 23/3

5:40 a.m.-8:00 p.m.

3 stops34h 20m

C$ 910

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 5/6

10:50 p.m.-12:22 a.m.

3 stops30h 32m

Ottawa

Fri 3/7

5:55 a.m.-9:20 p.m.

3 stops34h 25m

C$ 971

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 1/4

10:45 p.m.-12:39 a.m.

2 stops30h 54m

Ottawa

Sat 12/9

5:55 a.m.-10:00 p.m.

2 stops35h 05m

C$ 1,048

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 1/4

10:45 p.m.-12:39 a.m.

2 stops30h 54m

Ottawa

Fri 10/4

5:40 a.m.-9:20 p.m.

2 stops34h 40m

C$ 1,057

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 1/4

8:25 p.m.-12:39 a.m.

3 stops33h 14m

Ottawa

Fri 10/4

5:40 a.m.-7:20 p.m.

2 stops32h 40m

C$ 1,078

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 13/2

6:30 a.m.-8:18 a.m.

3 stops30h 48m

Ottawa

Fri 20/2

10:20 a.m.-2:50 p.m.

2 stops23h 30m

C$ 1,128

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 17/6

9:45 p.m.-12:20 a.m.

3 stops31h 35m

Ottawa

Fri 26/6

5:55 a.m.-5:35 p.m.

3 stops30h 40m

C$ 1,146

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 1/4

10:45 p.m.-6:34 p.m.

2 stops24h 49m

Ottawa

Sat 12/9

5:55 a.m.-7:20 p.m.

3 stops32h 25m

C$ 1,226

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 13/2

9:45 p.m.-6:38 p.m.

3 stops25h 53m

Ottawa

Sat 21/2

2:05 p.m.-9:50 a.m.

2 stops14h 45m

C$ 1,401

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 Tuesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 993. Flights from London Stansted Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 1,774. 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 at noon. Flights from London Stansted Airport to Ottawa during this time can be as low as C$ 1,126. In the morning 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	22h 51m
Direct flights	None

The fastest flight from London Stansted Airport to Ottawa takes 22h 51m

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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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 22h 51m 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

Prescott

Calabogie

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.