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Cheap flights from Ottawa to London Stansted Airport from C$ 393

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
7 Sep — 14 Sep1
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 8 August 2026.

Thu 1/106:25 p.m. -
2 stops23h 00m
Thu 8/106:30 a.m. -
3 stops22h 50m
Deal found 4/8C$ 856
Mon 12/104:00 p.m. -
2 stops15h 05m
Mon 19/105:55 a.m. -
2 stops20h 20m
Deal found 3/8C$ 878
Tue 15/92:45 p.m. -
2 stops15h 55m
Fri 25/98:40 a.m. -
2 stops15h 30m
Deal found 7/8C$ 884
Fri 23/1011:15 a.m. -
2 stops24h 40m
Fri 30/104:15 p.m. -
3 stops27h 42m
Deal found 6/8C$ 893
Fri 4/96:55 a.m. -
2 stops35h 25m
Sun 13/96:35 a.m. -
2 stops22h 45m
Deal found 4/8C$ 918
Thu 24/96:55 a.m. -
2 stops34h 30m
Thu 1/1010:00 p.m. -
2 stops31h 20m
Deal found 3/8C$ 920
Wed 30/96:55 a.m. -
3 stops31h 35m
Thu 8/106:30 a.m. -
3 stops22h 50m
Deal found 6/8C$ 928
Thu 3/96:55 a.m. -
2 stops35h 25m
Thu 10/96:30 a.m. -
3 stops16h 05m
Deal found 4/8C$ 934
Tue 18/86:55 a.m. -
2 stops34h 25m
Mon 31/86:30 a.m. -
3 stops22h 50m
Deal found 4/8C$ 956

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 8 August 2026.

Round-trip from

C$ 856

One-way from

C$ 391

Popular in

December

Cheapest in

February

Average price

C$ 1,096
1/10-8/10
  • 1/10-8/10
  • 5 total stops
  • 45h 50m total
  • Ottawa to London
Search Deals
16/9
  • 16/9
  • 2 total stops
  • 32h 20m 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$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 8 August 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
Quickest round-trip

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Tue 15/9

2:45 p.m.-11:40 a.m.

2 stops15h 55m

London Stansted

Fri 25/9

8:40 a.m.-7:10 p.m.

2 stops15h 30m

C$ 884

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sun 30/8

9:55 a.m.-7:50 a.m.

3 stops16h 55m

London Stansted

Fri 2/10

6:35 a.m.-5:35 p.m.

2 stops16h 00m

C$ 1,327

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 6/11

9:00 a.m.-4:20 p.m.

2 stops26h 20m

London Stansted

Sun 6/12

5:20 p.m.-10:32 p.m.

2 stops34h 12m

C$ 1,980

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Thu 19/11

9:00 a.m.-4:20 p.m.

2 stops26h 20m

London Stansted

Thu 26/11

5:20 p.m.-10:32 p.m.

2 stops34h 12m

C$ 1,982

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 15/1

9:00 a.m.-4:20 p.m.

2 stops26h 20m

London Stansted

Tue 26/1

5:20 p.m.-10:32 p.m.

2 stops34h 12m

C$ 2,010

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 2/10

11:15 a.m.-4:50 p.m.

2 stops24h 35m

London Stansted

Tue 13/10

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

2 stops31h 29m

C$ 2,079

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sun 13/9

2:45 p.m.-10:10 p.m.

2 stops26h 25m

London Stansted

Tue 22/9

6:55 a.m.-10:10 p.m.

2 stops20h 15m

C$ 2,146

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Tue 20/10

11:15 a.m.-4:50 p.m.

2 stops24h 35m

London Stansted

Tue 27/10

5:20 p.m.-10:32 p.m.

2 stops33h 12m

C$ 2,212
Cheapest one-way

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Fri 18/9

6:25 p.m.-7:35 a.m.

3 stops56h 10m

C$ 446

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sun 6/9

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

3 stops42h 50m

C$ 447

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

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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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.

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