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$ 378 Cheap Flights from London Stansted Airport to Ottawa in 2026

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Find the cheapest flights from London Stansted Airport to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 p.m. - 12:20 a.m.

STN

YOW

31h 20m

3 stops

6:55 a.m. - 9:20 p.m.

YOW

STN

33h 25m

3 stops

C$ 831Multiple Airlines

Tue, 28 Apr - Tue, 5 May

6:30 a.m. - 12:20 a.m.

STN

YOW

22h 50m

3 stops

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

YOW

STN

24h 55m

3 stops

C$ 839Multiple Airlines

Wed, 29 Apr - Wed, 6 May

10:45 p.m. - 12:20 a.m.

STN

YOW

30h 35m

3 stops

6:55 a.m. - 7:30 p.m.

YOW

STN

31h 35m

3 stops

C$ 847Multiple Airlines

Wed, 29 Apr - Wed, 6 May

6:30 a.m. - 12:20 a.m.

STN

YOW

22h 50m

3 stops

6:25 p.m. - 11:05 p.m.

YOW

STN

23h 40m

2 stops

C$ 850Multiple Airlines

Thu, 21 May - Fri, 22 May

6:30 a.m. - 12:20 a.m.

STN

YOW

22h 50m

2 stops

6:55 a.m. - 11:05 p.m.

YOW

STN

35h 10m

2 stops

C$ 851Multiple Airlines

Thu, 21 May - Fri, 22 May

6:30 a.m. - 12:20 a.m.

STN

YOW

22h 50m

3 stops

6:25 p.m. - 11:20 p.m.

YOW

STN

23h 55m

3 stops

C$ 857Multiple Airlines

Thu, 21 May - Fri, 22 May

6:30 a.m. - 12:20 a.m.

STN

YOW

22h 50m

3 stops

6:25 p.m. - 1:25 p.m.

YOW

STN

14h 00m

2 stops

C$ 862Multiple Airlines

Thu, 4 Jun - Tue, 9 Jun

10:45 p.m. - 5:35 p.m.

STN

YOW

23h 50m

2 stops

6:55 a.m. - 9:20 p.m.

YOW

STN

33h 25m

3 stops

C$ 911Multiple Airlines

Wed, 29 Apr - Wed, 6 May

6:30 a.m. - 5:35 p.m.

STN

YOW

16h 05m

2 stops

6:55 a.m. - 7:35 p.m.

YOW

STN

31h 40m

3 stops

C$ 914Multiple Airlines

Tue, 28 Apr - Tue, 5 May

10:00 p.m. - 5:35 p.m.

STN

YOW

24h 35m

2 stops

6:55 a.m. - 3:15 p.m.

YOW

STN

27h 20m

2 stops

C$ 916Multiple Airlines

Thu, 11 Jun - Mon, 22 Jun

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

Cheapest round-trip

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 28/4

10:00 p.m.-12:20 a.m.

3 stops31h 20m

Ottawa

Tue 5/5

6:55 a.m.-9:20 p.m.

3 stops33h 25m

C$ 831

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 29/4

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Wed 6/5

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

3 stops24h 55m

C$ 839

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 29/4

10:45 p.m.-12:20 a.m.

3 stops30h 35m

Ottawa

Wed 6/5

6:55 a.m.-7:30 p.m.

3 stops31h 35m

C$ 847

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 21/5

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Fri 22/5

6:25 p.m.-11:05 p.m.

2 stops23h 40m

C$ 850

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 21/5

6:30 a.m.-12:20 a.m.

2 stops22h 50m

Ottawa

Fri 22/5

6:55 a.m.-11:05 p.m.

2 stops35h 10m

C$ 851

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 21/5

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Fri 22/5

6:25 p.m.-11:20 p.m.

3 stops23h 55m

C$ 857

Quickest round-trip

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 4/6

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Tue 9/6

6:25 p.m.-1:25 p.m.

2 stops14h 00m

C$ 862

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 29/4

10:45 p.m.-5:35 p.m.

2 stops23h 50m

Ottawa

Wed 6/5

6:55 a.m.-9:20 p.m.

3 stops33h 25m

C$ 911

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 28/4

6:30 a.m.-5:35 p.m.

2 stops16h 05m

Ottawa

Tue 5/5

6:55 a.m.-7:35 p.m.

3 stops31h 40m

C$ 914

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 11/6

10:00 p.m.-5:35 p.m.

2 stops24h 35m

Ottawa

Mon 22/6

6:55 a.m.-3:15 p.m.

2 stops27h 20m

C$ 916

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 Sunday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 903. Flights from London Stansted Airport to Ottawa on a Monday will generally be more expensive and average around C$ 1,121. 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$ 997. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,066 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	13h 35m
Direct flights	None

The fastest flight from London Stansted Airport to Ottawa takes 13h 35m

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 13h 35m 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

Brockville

Pembroke

Perth

Smiths Falls

Prescott

Wakefield

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.