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Cheap flights from Ottawa to London Stansted Airport from C$ 400

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
7 Mar — 14 Mar1
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 5 February 2026.

Mon 6/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Mon 20/46:30 a.m.
STN
-
YOW
2 stops23h 09m
Multiple Airlines
Deal found 4/2C$ 748
Mon 6/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Tue 14/46:30 a.m.
STN
-
YOW
2 stops23h 11m
Multiple Airlines
Deal found 4/2C$ 819
Fri 22/56:25 p.m.
YOW
-
STN
2 stops23h 55m
Multiple Airlines
Fri 5/610:50 p.m.
STN
-
YOW
3 stops30h 30m
Multiple Airlines
Deal found 5/2C$ 827
Sat 23/56:25 p.m.
YOW
-
STN
2 stops23h 55m
Multiple Airlines
Sun 31/58:30 a.m.
STN
-
YOW
2 stops20h 50m
Multiple Airlines
Deal found 4/2C$ 833
Mon 6/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Mon 13/46:30 a.m.
STN
-
YOW
2 stops23h 09m
Multiple Airlines
Deal found 3/2C$ 842
Sun 3/56:35 p.m.
YOW
-
STN
2 stops23h 50m
Multiple Airlines
Sun 10/56:35 a.m.
STN
-
YOW
2 stops18h 25m
Multiple Airlines
Deal found 4/2C$ 852
Wed 1/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Thu 9/46:30 a.m.
STN
-
YOW
2 stops16h 56m
Multiple Airlines
Deal found 3/2C$ 879
Fri 15/55:55 a.m.
YOW
-
STN
3 stops32h 25m
Multiple Airlines
Fri 29/510:50 p.m.
STN
-
YOW
2 stops30h 30m
Multiple Airlines
Deal found 3/2C$ 935

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 5 February 2026.

Round-trip from

C$ 748

One-way from

C$ 400

Popular in

December

Cheapest in

February

Average price

C$ 897
6/4-20/4
  • 6/4-20/4
  • 4 total stops
  • 57h 49m total
  • Ottawa to London
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 32h 30m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 5 February 2026.
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

Mon 6/4

5:40 a.m.-9:20 p.m.

2 stops34h 40m

London Stansted

Mon 20/4

6:30 a.m.-12:39 a.m.

2 stops23h 09m

C$ 748

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 22/5

6:25 p.m.-11:20 p.m.

2 stops23h 55m

London Stansted

Fri 5/6

10:50 p.m.-12:20 a.m.

2 stops30h 30m

C$ 830

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 23/5

6:25 p.m.-11:20 p.m.

2 stops23h 55m

London Stansted

Sun 31/5

8:30 a.m.-12:20 a.m.

2 stops20h 50m

C$ 833

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 3/5

6:35 p.m.-11:25 p.m.

2 stops23h 50m

London Stansted

Sun 10/5

6:35 a.m.-8:00 p.m.

2 stops18h 25m

C$ 852

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 1/4

5:40 a.m.-9:20 p.m.

2 stops34h 40m

London Stansted

Thu 9/4

6:30 a.m.-6:26 p.m.

2 stops16h 56m

C$ 879

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 15/5

5:55 a.m.-7:20 p.m.

3 stops32h 25m

London Stansted

Fri 29/5

10:50 p.m.-12:20 a.m.

2 stops30h 30m

C$ 935

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 5/3

10:20 a.m.-12:05 a.m.

3 stops32h 45m

London Stansted

Thu 12/3

7:40 a.m.-9:41 a.m.

2 stops30h 01m

C$ 937

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 16/2

9:15 a.m.-10:40 p.m.

3 stops32h 25m

London Stansted

Mon 16/3

7:25 a.m.-12:39 a.m.

3 stops45h 14m

C$ 949

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 1/6

5:55 a.m.-7:25 p.m.

2 stops32h 30m

C$ 400

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 29/7

6:35 p.m.-11:20 p.m.

2 stops23h 45m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 16 results
1
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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
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Romford
Watford
Bedford
Luton
High Wycombe
Hounslow

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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.

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