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

Confirm your travel details to search for the latest offers for flights from Ottawa to London Stansted Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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 you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 354 Cheap Flights from Ottawa to London Stansted Airport in 2026

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Find the cheapest flights from Ottawa to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 a.m. - 10:40 a.m.

YOW

STN

22h 45m

2 stops

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

STN

YOW

31h 20m

3 stops

C$ 930Multiple Airlines

Mon, 4 May - Fri, 15 May

6:55 a.m. - 5:35 p.m.

YOW

STN

29h 40m

3 stops

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

STN

YOW

22h 50m

2 stops

C$ 933Multiple Airlines

Wed, 6 May - Wed, 13 May

6:55 a.m. - 9:35 a.m.

YOW

STN

21h 40m

2 stops

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

STN

YOW

16h 05m

2 stops

C$ 934Multiple Airlines

Wed, 13 May - Wed, 27 May

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

YOW

STN

24h 55m

2 stops

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

STN

YOW

22h 50m

2 stops

C$ 936Multiple Airlines

Mon, 4 May - Mon, 11 May

6:25 p.m. - 7:35 p.m.

YOW

STN

20h 10m

2 stops

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

STN

YOW

16h 05m

2 stops

C$ 937Multiple Airlines

Tue, 5 May - Tue, 12 May

6:55 a.m. - 9:35 a.m.

YOW

STN

21h 40m

2 stops

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

STN

YOW

30h 35m

3 stops

C$ 944Multiple Airlines

Wed, 13 May - Mon, 25 May

6:55 a.m. - 9:35 a.m.

YOW

STN

21h 40m

2 stops

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

STN

YOW

30h 35m

3 stops

C$ 952Multiple Airlines

Wed, 13 May - Mon, 25 May

6:55 a.m. - 9:35 a.m.

YOW

STN

21h 40m

2 stops

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

STN

YOW

31h 20m

3 stops

C$ 959Multiple Airlines

Sun, 3 May - Sun, 10 May

6:25 p.m. - 9:20 p.m.

YOW

STN

21h 55m

2 stops

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

STN

YOW

31h 20m

2 stops

C$ 960Multiple Airlines

Thu, 21 May - Tue, 26 May

6:55 a.m. - 9:35 a.m.

YOW

STN

21h 40m

2 stops

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

STN

YOW

31h 20m

3 stops

C$ 963Multiple Airlines

Sun, 3 May - Sun, 10 May

momondo Fare Finder

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 round-trip

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 4/5

6:55 a.m.-10:40 a.m.

2 stops22h 45m

London Stansted

Fri 15/5

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

3 stops31h 20m

C$ 930

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 6/5

6:55 a.m.-5:35 p.m.

3 stops29h 40m

London Stansted

Wed 13/5

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

2 stops22h 50m

C$ 933

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 13/5

6:55 a.m.-9:35 a.m.

2 stops21h 40m

London Stansted

Wed 27/5

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

2 stops16h 05m

C$ 934

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 4/5

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

2 stops24h 55m

London Stansted

Mon 11/5

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

2 stops22h 50m

C$ 936

Quickest round-trip

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 5/5

6:25 p.m.-7:35 p.m.

2 stops20h 10m

London Stansted

Tue 12/5

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

2 stops16h 05m

C$ 937

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 13/5

6:55 a.m.-9:35 a.m.

2 stops21h 40m

London Stansted

Mon 25/5

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

3 stops30h 35m

C$ 944

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 13/5

6:55 a.m.-9:35 a.m.

2 stops21h 40m

London Stansted

Mon 25/5

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

3 stops30h 35m

C$ 952

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 3/5

6:55 a.m.-9:35 a.m.

2 stops21h 40m

London Stansted

Sun 10/5

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

3 stops31h 20m

C$ 959

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 21/5

6:25 p.m.-9:20 p.m.

2 stops21h 55m

London Stansted

Tue 26/5

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

2 stops31h 20m

C$ 960

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 3/5

6:55 a.m.-9:35 a.m.

2 stops21h 40m

London Stansted

Sun 10/5

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

3 stops31h 20m

C$ 963

Flights are sorted by cheapest round-trip 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 round-trip 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	12h 35m
Direct flights	None

The fastest flight from Ottawa to London Stansted Airport takes 12h 35m

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

How far is Ottawa to London Stansted by plane?
There are 5363.2 km between Ottawa and London Stansted. A reasonable flight in good conditions will take 12h 35m.
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 you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Ottawa to London Stansted Airport?
Confirm your travel details to search for the latest offers for flights from Ottawa to London Stansted Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
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.

Hounslow

Wembley

Ilford

Slough

Gatwick

Wokingham

Crawley

Feltham

Hayes

Waterlooville

Newport

Chelmsford

Basingstoke

Milton Keynes

Dover

Worthing

Guildford

Ipswich

Maidstone

Woking

Why use momondo?

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

It is quick and easy to find Ottawa to London 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 London that suits you.

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

Yes. momondo allows you to filter the results for Ottawa to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Ottawa to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ottawa to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.