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Cheap flights from Ottawa to London Stansted Airport from £174

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£514

One-way from

£174

Popular in

December

Cheapest in

February

Average price

£561
14/10-21/10
  • 14/10-21/10
  • 5 total stops
  • 53h 20m total
  • Ottawa to London
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16/10
  • 16/10
  • 2 total stops
  • 30h 40m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£22 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Stansted

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 18 September 2025.

Tue 14/1007:00YOW - STN
2 stops26h 20mMultiple Airlines
Tue 21/1022:05STN - YOW
3 stops27h 00mMultiple Airlines
Deal found 16/9£514
Tue 23/905:55YOW - STN
3 stops34h 20mMultiple Airlines
Tue 30/921:25STN - YOW
3 stops31h 56mMultiple Airlines
Deal found 16/9£539
Sun 28/905:55YOW - STN
2 stops32h 35mMultiple Airlines
Tue 30/921:25STN - YOW
3 stops31h 56mMultiple Airlines
Deal found 16/9£545
Sun 21/905:55YOW - STN
3 stops28h 35mMultiple Airlines
Sun 5/1006:00STN - YOW
2 stops29h 45mMultiple Airlines
Deal found 16/9£560
Wed 17/905:55YOW - STN
3 stops27h 30mMultiple Airlines
Fri 26/922:50STN - YOW
3 stops30h 32mMultiple Airlines
Deal found 16/9£569
Sun 2/1118:20YOW - STN
2 stops21h 35mMultiple Airlines
Sun 9/1107:40STN - YOW
3 stops22h 58mMultiple Airlines
Deal found 18/9£579
Sun 2/1114:05YOW - STN
3 stops18h 25mMultiple Airlines
Sat 8/1118:55STN - YOW
3 stops24h 13mMultiple Airlines
Deal found 18/9£585
Mon 13/1005:55YOW - STN
2 stops29h 10mMultiple Airlines
Mon 27/1008:05STN - YOW
3 stops37h 13mMultiple Airlines
Deal found 17/9£603
Wed 1/1005:55YOW - STN
2 stops28h 15mMultiple Airlines
Fri 3/1022:50STN - YOW
3 stops30h 32mMultiple Airlines
Deal found 17/9£605

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 September 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

Tue 14/10

07:00-14:20

2 stops26h 20m

London Stansted

Tue 21/10

22:05-20:05

3 stops27h 00m

£514

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 28/9

05:55-19:30

2 stops32h 35m

London Stansted

Tue 30/9

21:25-00:21

3 stops31h 56m

£545

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/10

05:55-16:05

2 stops29h 10m

London Stansted

Mon 27/10

08:05-17:18

3 stops37h 13m

£603

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 1/10

05:55-15:10

2 stops28h 15m

London Stansted

Fri 3/10

22:50-00:22

3 stops30h 32m

£605

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 4/11

20:00-18:40

2 stops17h 40m

London Stansted

Tue 18/11

19:45-00:42

2 stops33h 57m

£610

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 7/10

14:20-16:35

2 stops21h 15m

London Stansted

Sun 12/10

06:00-13:03

3 stops36h 03m

£645

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 16/10

10:45-22:25

2 stops30h 40m

£174

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 24/10

10:45-21:20

2 stops29h 35m

£176

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 19/10

17:05-18:00

2 stops19h 55m

£176

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 17/10

17:05-17:05

2 stops19h 00m

£184

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 return 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?

    If you book a flight to London Stansted from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 0 flights from Ottawa to London Stansted per day from 0 different airlines.

  • 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 holiday 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.

  • What is the cheapest month to book a flight from Ottawa to London Stansted Airport?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to London Stansted Airport (average of £55). Flying from Ottawa to London Stansted Airport in July is currently the most expensive (average of £103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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Deals for Ottawa to Stansted flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Stansted flexibly with Cheapflights today.

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

Yes! Start tracking prices for Ottawa to Stansted flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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