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Cheap flights from Ottawa to London Stansted Airport from C$ 326

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
17 Oct — 24 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 17 September 2025.

Round-trip from

C$ 964

One-way from

C$ 326

Popular in

December

Cheapest in

February

Average price

C$ 1,052
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
  • 34h 25m total
  • Ottawa to London
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Highest demand for flights based on searches. 5% potential increase in price (C$ 79 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT 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 17 September 2025.

Tue 14/107:00 a.m.YOW - STN
2 stops26h 20mMultiple Airlines
Tue 21/1010:05 p.m.STN - YOW
3 stops27h 00mMultiple Airlines
Deal found 16/9C$ 964
Tue 23/95:55 a.m.YOW - STN
3 stops34h 20mMultiple Airlines
Tue 30/99:25 p.m.STN - YOW
3 stops31h 56mMultiple Airlines
Deal found 16/9C$ 1,011
Sun 28/95:55 a.m.YOW - STN
2 stops32h 35mMultiple Airlines
Tue 30/99:25 p.m.STN - YOW
3 stops31h 56mMultiple Airlines
Deal found 16/9C$ 1,023
Sun 21/95:55 a.m.YOW - STN
3 stops28h 35mMultiple Airlines
Sun 5/106:00 a.m.STN - YOW
2 stops29h 45mMultiple Airlines
Deal found 16/9C$ 1,051
Thu 30/106:20 p.m.YOW - STN
2 stops20h 10mMultiple Airlines
Thu 6/118:15 a.m.STN - YOW
3 stops21h 27mMultiple Airlines
Deal found 15/9C$ 1,059
Wed 17/95:55 a.m.YOW - STN
3 stops27h 30mMultiple Airlines
Fri 26/910:50 p.m.STN - YOW
3 stops30h 32mMultiple Airlines
Deal found 16/9C$ 1,067
Wed 22/109:05 a.m.YOW - STN
2 stops29h 55mMultiple Airlines
Wed 29/107:40 a.m.STN - YOW
2 stops32h 42mMultiple Airlines
Deal found 15/9C$ 1,092
Mon 13/105:55 a.m.YOW - STN
2 stops29h 10mMultiple Airlines
Mon 27/108:05 a.m.STN - YOW
3 stops37h 13mMultiple Airlines
Deal found 17/9C$ 1,132
Tue 4/118:00 p.m.YOW - STN
2 stops17h 40mMultiple Airlines
Tue 18/117:45 p.m.STN - YOW
2 stops33h 57mMultiple Airlines
Deal found 16/9C$ 1,145

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 17 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

7:00 a.m.-2:20 p.m.

2 stops26h 20m

London Stansted

Tue 21/10

10:05 p.m.-8:05 p.m.

3 stops27h 00m

C$ 964

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 28/9

5:55 a.m.-7:30 p.m.

2 stops32h 35m

London Stansted

Tue 30/9

9:25 p.m.-12:21 a.m.

3 stops31h 56m

C$ 1,023

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 30/10

6:20 p.m.-6:30 p.m.

2 stops20h 10m

London Stansted

Thu 6/11

8:15 a.m.-12:42 a.m.

3 stops21h 27m

C$ 1,059

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 22/10

9:05 a.m.-8:00 p.m.

2 stops29h 55m

London Stansted

Wed 29/10

7:40 a.m.-12:22 p.m.

2 stops32h 42m

C$ 1,092

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/10

5:55 a.m.-4:05 p.m.

2 stops29h 10m

London Stansted

Mon 27/10

8:05 a.m.-5:18 p.m.

3 stops37h 13m

C$ 1,132

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 4/11

8:00 p.m.-6:40 p.m.

2 stops17h 40m

London Stansted

Tue 18/11

7:45 p.m.-12:42 a.m.

2 stops33h 57m

C$ 1,145

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 8/10

5:55 a.m.-4:20 p.m.

3 stops29h 25m

London Stansted

Wed 29/10

6:30 a.m.-7:12 p.m.

3 stops40h 42m

C$ 1,154

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 7/10

2:20 p.m.-4:35 p.m.

2 stops21h 15m

London Stansted

Sun 12/10

6:00 a.m.-1:03 p.m.

3 stops36h 03m

C$ 1,211

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 16/10

7:00 a.m.-10:25 p.m.

2 stops34h 25m

C$ 326

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 24/10

10:45 a.m.-9:20 p.m.

2 stops29h 35m

C$ 330

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 15 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
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
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