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Cheap flights from Ottawa to London Stansted Airport from C$ 390

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
22 Aug — 29 Aug1
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 23 July 2026.

Mon 17/86:55 a.m.
YOW
-
STN
3 stops33h 00m
Multiple Airlines
Mon 24/86:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Deal found 20/7C$ 859
Mon 17/86:55 a.m.
YOW
-
STN
3 stops33h 00m
Multiple Airlines
Thu 20/86:30 a.m.
STN
-
YOW
3 stops40h 05m
Multiple Airlines
Deal found 19/7C$ 890
Tue 18/86:55 a.m.
YOW
-
STN
2 stops25h 20m
Multiple Airlines
Tue 25/810:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Deal found 21/7C$ 932
Thu 3/96:25 p.m.
YOW
-
STN
2 stops23h 00m
Multiple Airlines
Tue 8/910:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Deal found 20/7C$ 933
Sat 26/96:55 a.m.
YOW
-
STN
3 stops32h 55m
Multiple Airlines
Thu 1/1010:05 p.m.
STN
-
YOW
3 stops31h 15m
Multiple Airlines
Deal found 20/7C$ 938
Tue 8/96:55 a.m.
YOW
-
STN
2 stops29h 40m
Multiple Airlines
Wed 9/910:00 p.m.
STN
-
YOW
3 stops31h 20m
Multiple Airlines
Deal found 21/7C$ 952
Wed 23/96:25 p.m.
YOW
-
STN
2 stops13h 25m
Multiple Airlines
Wed 21/1010:45 p.m.
STN
-
YOW
3 stops30h 35m
Multiple Airlines
Deal found 19/7C$ 956
Thu 20/86:25 p.m.
YOW
-
STN
2 stops23h 00m
Multiple Airlines
Thu 27/86:30 a.m.
STN
-
YOW
3 stops40h 05m
Multiple Airlines
Deal found 23/7C$ 959

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 23 July 2026.

Round-trip from

C$ 859

One-way from

C$ 390

Popular in

December

Cheapest in

February

Average price

C$ 1,215
17/8-24/8
  • 17/8-24/8
  • 6 total stops
  • 55h 50m total
  • Ottawa to London
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 23h 15m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 1 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 July 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 23 July 2026.
Use the filters below to find and compare flights from Ottawa to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 7/8

9:05 a.m.-4:15 p.m.

2 stops26h 10m

London Stansted

Fri 14/8

7:15 p.m.-5:35 p.m.

2 stops27h 20m

C$ 1,305
Quickest round-trip

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 15/8

5:45 p.m.-1:05 p.m.

2 stops14h 20m

London Stansted

Sat 29/8

7:25 a.m.-5:35 p.m.

2 stops15h 10m

C$ 1,522

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 30/9

2:35 p.m.-4:40 p.m.

2 stops21h 05m

London Stansted

Wed 14/10

6:55 a.m.-9:24 a.m.

2 stops31h 29m

C$ 2,278

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 16/9

11:10 a.m.-4:40 p.m.

2 stops24h 30m

London Stansted

Sun 27/9

6:55 a.m.-9:24 a.m.

2 stops31h 29m

C$ 2,313

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 6/9

3:10 p.m.-10:10 p.m.

2 stops26h 00m

London Stansted

Sun 13/9

6:55 a.m.-9:15 a.m.

2 stops31h 20m

C$ 2,320

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 22/9

2:35 p.m.-4:50 p.m.

2 stops21h 15m

London Stansted

Sun 11/10

6:55 a.m.-12:45 a.m.

2 stops22h 50m

C$ 2,380

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 9/10

2:35 p.m.-4:50 p.m.

2 stops21h 15m

London Stansted

Sat 24/10

5:45 p.m.-11:55 p.m.

2 stops35h 10m

C$ 2,479
Cheapest one-way
Quickest one-way

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 15/9

6:25 p.m.-10:40 p.m.

2 stops23h 15m

C$ 390

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 15/10

6:50 a.m.-10:25 p.m.

2 stops34h 35m

C$ 397

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 6/9

7:00 a.m.-12:50 p.m.

3 stops48h 50m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/7

Showing 1-10 of 16 resultsSorted by cheapest first
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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

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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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