Find flights
When to book
FAQs

Cheap flights from Ottawa to London Stansted Airport from C$ 521

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Stansted

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Stansted
Explore the most affordable flight options available from Ottawa to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.

Fri 5/129:15 a.m.YOW - STN
2 stops33h 40mMultiple Airlines
Fri 12/126:50 a.m.STN - YOW
3 stops20h 35mMultiple Airlines
Deal found 1/12C$ 1,234
Thu 4/129:15 a.m.YOW - STN
3 stops33h 25mMultiple Airlines
Wed 10/124:00 p.m.STN - YOW
3 stops27h 07mMultiple Airlines
Deal found 1/12C$ 1,539
Wed 17/123:00 p.m.YOW - STN
2 stops24h 35mMultiple Airlines
Wed 7/15:45 p.m.STN - YOW
3 stops35h 58mMultiple Airlines
Deal found 1/12C$ 1,823
Fri 26/129:10 a.m.YOW - STN
2 stops22h 10mMultiple Airlines
Wed 7/15:45 p.m.STN - YOW
3 stops35h 58mMultiple Airlines
Deal found 1/12C$ 1,928

Find flight deals from Ottawa to Stansted

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Stansted (STN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 December 2025.

Round-trip from

C$ 914

One-way from

C$ 521

Popular in

December

Cheapest in

February

Average price

C$ 1,234
28/4-12/5
  • 28/4-12/5
  • 5 total stops
  • 50h 42m total
  • Ottawa to London
Search Deals
17/1
  • 17/1
  • 2 total stops
  • 17h 30m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Stansted that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from Ottawa to London Stansted Airport that are best for you.

Fly from

Ottawa

Fly to

Stansted

Route

Depart

Return

Price

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 30/1

10:20 a.m.-11:55 p.m.

2 stops32h 35m

London Stansted

Fri 6/2

6:50 a.m.-8:18 a.m.

2 stops30h 28m

C$ 946

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 27/2

10:20 a.m.-11:55 p.m.

2 stops32h 35m

London Stansted

Sun 8/3

6:15 a.m.-7:18 a.m.

2 stops30h 03m

C$ 958

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 17/1

8:30 a.m.-5:40 p.m.

3 stops28h 10m

London Stansted

Sat 24/1

8:25 p.m.-5:18 p.m.

2 stops25h 53m

C$ 971

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 15/1

4:15 p.m.-9:50 a.m.

2 stops12h 35m

London Stansted

Thu 22/1

6:30 a.m.-6:38 p.m.

3 stops17h 08m

C$ 1,100

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 28/2

4:15 p.m.-9:50 a.m.

2 stops12h 35m

London Stansted

Sat 7/3

9:45 p.m.-4:16 p.m.

2 stops23h 31m

C$ 1,184

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 28/2

9:15 a.m.-7:50 a.m.

3 stops17h 35m

London Stansted

Mon 2/3

9:30 p.m.-12:39 a.m.

3 stops32h 09m

C$ 1,198

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 26/12

9:10 a.m.-12:20 p.m.

2 stops22h 10m

London Stansted

Wed 7/1

5:45 p.m.-12:43 a.m.

3 stops35h 58m

C$ 1,928

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 17/1

4:40 p.m.-3:10 p.m.

2 stops17h 30m

C$ 521

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 3/2

4:35 p.m.-7:30 a.m.

3 stops33h 55m

C$ 530

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 2/3

6:55 p.m.-2:20 p.m.

2 stops14h 25m

C$ 535

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 14 results
1
2

Best time to book a flight from Ottawa to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to London Stansted?

    For a flight from Ottawa to London Stansted, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 0 outbound flights to London Stansted per day. 0 airlines have flights to London Stansted from Ottawa on a regular basis.

  • Can I find deals for flights from Ottawa to Stansted that include hotel bookings?

    Yes. In addition to deals on Ottawa to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Stansted?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Stansted.

  • Can I find deals for business class flights from Ottawa to Stansted?

    Yes. Cheapflights offers flight deals from Ottawa to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Sutton
Twickenham
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Gatwick
Hounslow

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pearson Intl to London City flights
Toronto Island to Heathrow flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to Stansted flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to London City flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to Luton flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Southend flights
Ottawa to Gatwick flights
Ottawa to London City flights
Hamilton to Heathrow flights
Ottawa to Luton flights
Toronto Island to London City flights
Windsor to Heathrow flights
Windsor to London City flights
London to Heathrow flights
Thunder Bay to Heathrow flights
Windsor to Gatwick flights
Hamilton to Gatwick flights
London to London City flights
London to Gatwick flights
Sarnia to Heathrow flights
Windsor to Stansted flights
Ottawa to Southend flights
London to Stansted flights
Region of Waterloo Intl to Gatwick flights
Thunder Bay to Gatwick flights
Thunder Bay to London City flights
Kingston to Heathrow flights
Sault Ste Marie to Heathrow flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Stansted?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Stansted from Ottawa today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Stansted?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Stansted for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Stansted with no change fees?

Need flexible booking options for your flight to Stansted from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Stansted become cheaper?

Of course! You can now track prices for flights from Ottawa to Stansted and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.