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Cheap Flights from Ottawa International to London Stansted

Compare Ottawa International to London Stansted flight deals

Find the cheapest month or even day of the year to fly to London Stansted

Book the best London Stansted fare with no extra fees

Flight deals from Ottawa International Airport to London Stansted Airport

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to London Stansted Airport? If you want to travel next month, return fares start from R 12,449. Find the lowest prices on one-way and return tickets right here.
London.R 4,333 per passenger.Departing Tue, 16 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 16 Jun, arriving in London Stansted.Price includes taxes and charges.From R 4,333, select.
London.R 4,365 per passenger.Departing Sun, 31 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 31 May, arriving in London Stansted.Price includes taxes and charges.From R 4,365, select.
London.R 5,029 per passenger.Departing Wed, 15 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 15 Jul, arriving in London Stansted.Price includes taxes and charges.From R 5,029, select.
London.R 5,078 per passenger.Departing Fri, 28 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 28 Aug, arriving in London Stansted.Price includes taxes and charges.From R 5,078, select.
London.R 5,299 per passenger.Departing Tue, 8 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 8 Sep, arriving in London Stansted.Price includes taxes and charges.From R 5,299, select.
London.R 5,868 per passenger.Departing Sat, 17 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sat, 17 Oct, arriving in London Stansted.Price includes taxes and charges.From R 5,868, select.
London.R 6,498 per passenger.Departing Mon, 27 Apr.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon, 27 Apr, arriving in London Stansted.Price includes taxes and charges.From R 6,498, select.
London.R 7,027 per passenger.Departing Sat, 28 Mar.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Sat, 28 Mar, arriving in London Stansted.Price includes taxes and charges.From R 7,027, select.
London.R 11,369 per passenger.Departing Thu, 17 Dec.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 17 Dec, arriving in London Stansted.Price includes taxes and charges.From R 11,369, select.

Find the cheapest month to fly from Ottawa International to London Stansted

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to London Stansted flights are currently cheapest in June.
Mar
from R 7,027
Apr
from R 6,498
May
from R 4,365
Jun
from R 4,333
Jul
from R 5,029
Aug
from R 5,078
Sep
from R 5,299
Oct
from R 5,868
Nov
Find prices
Dec
from R 11,369
Jan
Find prices
Feb
Find prices

Ottawa International to London Stansted: Alternative routes

Compare routes from Ottawa International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Stansted.

London City

12km from central London
Closest
from R 7,058
Search flights

London Heathrow

23km from central London
from R 5,998
Search flights

London Gatwick

40km from central London
from R 4,828
Search flights

London Luton

45km from central London
from R 4,721
Search flights

London Stansted

49km from central London
Cheapest
from R 4,333
Search flights

London Southend

57km from central London
from R 6,098
Search flights

Ottawa to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,333
Cheapest month to flyJune

Check out these London hotels

Ready to plan your stay? Other travellers rate these London hotels for cleanliness, service and location.
Taj 51 Buckingham Gate Suites and Residences
1.24 km from city centre
R 9 653
Per night
47 Park Street - Grand Residences by Marriott
1.89 km from city centre
R 14 793
Per night
The Milestone Residences
4.14 km from city centre
R 4 781
Per night
Taj 51 Buckingham Gate Suites and Residences
1.24 km from city centre
R 9 653
Per night
47 Park Street - Grand Residences by Marriott
1.89 km from city centre
R 14 793
Per night
The Milestone Residences
4.14 km from city centre
R 4 781
Per night
Explore top-rated hotels

Finding cheap flights from Ottawa International to London Stansted: Frequently asked questions

The best price we found for a return flight from Ottawa International to London Stansted is R 9,603. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa International to London Stansted. But we found flights with one or more stops from R 9,603.
As of March 2026, there are no flights flying from Ottawa International to London Stansted.
The cheapest month to fly from Ottawa International to London Stansted is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to London Stansted Airport on Tuesday, 19 May 2026.
No airlines currently offer direct flights between Ottawa International Airport and London Stansted Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Stansted but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet offers the cheapest flight tickets to London Stansted.

Travelling from Ottawa/Macdonald-Cartier International Airport (YOW) to Stansted Airport (STN): what you need to know

  • London is four hours ahead of Ottawa and follows the UTC+0 timezone.

  • Arrive at the airport on time so you don't miss your YOW to STN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Travelling during a peak month like July? Major public holidays and other popular seasons can mean longer queues at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Stansted Airport (STN)

  • The cheapest price we've found for a one-way Ottawa/Macdonald-Cartier International Airport to Stansted Airport flight is R 4,333. A round-trip ticket right now is R 9,603. Depending on the availability and when you book, these fares can change.

  • To get your hands on cheap tickets from YOW to STN, book ahead. Airlines usually offer lower prices when flights are first released.

  • Finding cheap flights from Ottawa/Macdonald-Cartier International Airport to Stansted Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' search tool to see the lowest prices across every month and land a great deal.

  • Cut down on the time spent looking for cheap flights from YOW to STN by creating a Price Alert. We'll send you an email or notification on the app when a special offer becomes available.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Ottawa/Macdonald-Cartier International Airport to Stansted Airport.

Handy information about Ottawa/Macdonald-Cartier International Airport (YOW)

  • You'll find YOW at 50 Airport Road.

  • 58.21% of flights that depart Ottawa/Macdonald-Cartier International Airport make it to their destination on time.

  • Central Ottawa to Ottawa/Macdonald-Cartier International Airport is approximately 13 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Expect a journey time of about 45 minutes when using public transport.

  • Get your break off to a leisurely start by staying near YOW. Whether you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Stansted Airport or just don't like being rushed, these hotels are the answer:

Arriving at Stansted Airport (STN)

Getting from Stansted Airport (STN) to central London

  • From Stansted Airport, London is approximately 64 kilometres away. It takes around 1 hour to get to the centre driving.

  • It takes around 1 hour 25 minutes to get there by public transport.

When to fly to Stansted Airport (STN)

  • The quietest month for a flight from Ottawa/Macdonald-Cartier International Airport to Stansted Airport is April, while August is the most popular. Pick the best time to go to London based on whether you prefer a more fast-paced or easygoing experience.

  • Before locking in your flight from Ottawa/Macdonald-Cartier International Airport to Stansted Airport, consider the kind of weather you like. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • Look for cheap tickets from YOW to STN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

  • You've seen London, now it's time to discover other parts of United Kingdom. Travel about 161 kilometres north-west to Birmingham to check off its must-visit sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, your itinerary will be busy.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Start your sightseeing at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Ottawa to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.