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Cheap flights from Ottawa to London Stansted Airport from C$ 367

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — STN
28 Mar — 4 Apr1
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 26 February 2026.

Mon 1/66:55 a.m.
YOW
-
STN
2 stops35h 25m
Multiple Airlines
Thu 11/66:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Deal found 23/2C$ 780
Mon 6/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Mon 13/48:30 a.m.
STN
-
YOW
2 stops21h 09m
Multiple Airlines
Deal found 24/2C$ 789
Tue 2/66:55 a.m.
YOW
-
STN
2 stops34h 25m
Multiple Airlines
Tue 9/68:30 a.m.
STN
-
YOW
2 stops14h 05m
Multiple Airlines
Deal found 23/2C$ 795
Wed 8/45:40 a.m.
YOW
-
STN
2 stops34h 40m
Multiple Airlines
Thu 30/45:00 p.m.
STN
-
YOW
3 stops36h 20m
Multiple Airlines
Deal found 24/2C$ 814
Wed 8/45:40 a.m.
YOW
-
STN
2 stops32h 50m
Multiple Airlines
Wed 15/49:55 a.m.
STN
-
YOW
3 stops43h 44m
Multiple Airlines
Deal found 22/2C$ 819
Thu 30/46:25 p.m.
YOW
-
STN
2 stops23h 55m
Multiple Airlines
Thu 7/56:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Deal found 24/2C$ 840
Mon 4/56:55 a.m.
YOW
-
STN
2 stops33h 25m
Multiple Airlines
Mon 11/56:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Deal found 24/2C$ 841

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 26 February 2026.

Round-trip from

C$ 780

One-way from

C$ 367

Popular in

December

Cheapest in

January

Average price

C$ 911
1/6-11/6
  • 1/6-11/6
  • 5 total stops
  • 58h 15m total
  • Ottawa to London
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 44h 00m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 9 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 26 February 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

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 12/6

6:55 a.m.-7:40 p.m.

2 stops31h 45m

London Stansted

Tue 23/6

10:00 p.m.-12:20 a.m.

3 stops31h 20m

C$ 858

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 23/6

6:55 a.m.-7:35 p.m.

3 stops31h 40m

London Stansted

Thu 2/7

6:30 a.m.-5:35 p.m.

3 stops16h 05m

C$ 896

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 13/5

6:55 a.m.-5:35 p.m.

3 stops29h 40m

London Stansted

Fri 22/5

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

3 stops27h 20m

C$ 901

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 25/7

6:25 p.m.-10:00 p.m.

2 stops22h 35m

London Stansted

Wed 5/8

6:30 a.m.-12:20 a.m.

2 stops22h 50m

C$ 960

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 24/6

6:55 a.m.-7:30 p.m.

3 stops31h 35m

London Stansted

Tue 14/7

10:00 p.m.-12:20 a.m.

3 stops31h 20m

C$ 1,007

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 18/7

6:25 p.m.-12:55 p.m.

2 stops13h 30m

London Stansted

Sun 19/7

10:00 p.m.-12:20 a.m.

3 stops31h 20m

C$ 1,117

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 1/5

9:05 a.m.-4:50 p.m.

2 stops26h 45m

London Stansted

Thu 7/5

5:35 p.m.-10:11 p.m.

2 stops33h 36m

C$ 2,098

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 20/4

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

2 stops30h 55m

London Stansted

Sun 10/5

6:55 a.m.-10:11 p.m.

2 stops20h 16m

C$ 2,105

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 19/4

12:00 p.m.-10:10 p.m.

2 stops29h 10m

London Stansted

Thu 30/4

5:35 p.m.-10:11 p.m.

2 stops33h 36m

C$ 2,172

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 27/4

4:15 p.m.-10:10 p.m.

2 stops24h 55m

London Stansted

Wed 6/5

6:55 a.m.-10:11 p.m.

2 stops20h 16m

C$ 2,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

Showing 1-10 of 21 resultsSorted by cheapest first
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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
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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