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Cheap flights from Ottawa to London Gatwick Airport from £221

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Gatwick
Explore the most affordable flight options available from Ottawa to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sun 14/1209:30YOW - LGW
1 stop19h 30mMultiple Airlines
Fri 16/114:00LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 5/11£497
Wed 12/1115:05YOW - LGW
1 stop13h 40mAir Transat
Sat 15/1111:40LGW - YOW
1 stop25h 44mAir Transat
Deal found 4/11£511
Thu 11/1207:00YOW - LGW
2 stops22h 00mMultiple Airlines
Fri 16/114:00LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 5/11£512
Fri 5/1215:00YOW - LGW
1 stop13h 45mAir Transat
Fri 12/1211:40LGW - YOW
1 stop25h 45mAir Transat
Deal found 5/11£516
Mon 8/1218:55YOW - LGW
1 stop9h 50mPorter Airlines
Wed 24/1211:40LGW - YOW
1 stop32h 16mPorter Airlines
Deal found 5/11£519
Wed 10/1215:55YOW - LGW
2 stops14h 00mMultiple Airlines
Fri 16/114:00LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 5/11£520
Wed 3/1209:25YOW - LGW
1 stop15h 35mMultiple Airlines
Wed 10/1219:25LGW - YOW
2 stops34h 15mMultiple Airlines
Deal found 5/11£543
Thu 4/1215:55YOW - LGW
1 stop33h 05mMultiple Airlines
Thu 11/1208:30LGW - YOW
2 stops21h 10mMultiple Airlines
Deal found 6/11£551
Thu 11/1206:45YOW - LGW
1 stop22h 00mAir Transat
Fri 16/111:40LGW - YOW
1 stop11h 46mAir Transat
Deal found 5/11£552
Wed 12/1110:20YOW - LGW
3 stops18h 55mMultiple Airlines
Wed 19/1108:15LGW - YOW
2 stops30h 27mMultiple Airlines
Deal found 5/11£554
Sat 13/1209:25YOW - LGW
2 stops19h 40mMultiple Airlines
Fri 16/114:00LGW - YOW
1 stop14h 58mMultiple Airlines
Deal found 5/11£555

Cheap flight deals from Ottawa to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Gatwick (LGW). 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 7 November 2025.

Round-trip from

£496

One-way from

£221

Popular in

July

Cheapest in

June

Average price

£763
Air Transat
  • Air Transat
  • 13/2-22/2
  • 2 total stops
  • 44h 30m total
  • Ottawa to London
Search Deals
9/12
  • 9/12
  • 1 total stop
  • 15h 35m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ottawa to Gatwick 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 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

Fly from

Ottawa

Fly to

Gatwick

Route

Depart

Return

Price

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 3/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sun 24/5

09:40-12:40

Nonstop8h 00m

£521

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 4/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sun 24/5

09:40-12:40

Nonstop8h 00m

£521

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 4/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sat 23/5

09:40-20:01

1 stop15h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 5/5

11:20-10:45

1 stop18h 25m

London Gatwick

Mon 18/5

12:40-20:01

1 stop12h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 4/5

11:20-10:45

1 stop18h 25m

London Gatwick

Mon 18/5

12:40-20:01

1 stop12h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 5/5

11:20-10:45

1 stop18h 25m

London Gatwick

Tue 19/5

12:40-20:01

1 stop12h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 5/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sat 23/5

09:40-20:01

1 stop15h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 2/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sat 23/5

09:40-20:01

1 stop15h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 3/5

11:20-10:45

1 stop18h 25m

London Gatwick

Sat 23/5

09:40-20:01

1 stop15h 21m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 3/5

11:20-10:45

1 stop18h 25m

London Gatwick

Tue 19/5

12:40-20:01

1 stop12h 21m

£525

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 23 results
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Best time to book a flight from Ottawa to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ottawa with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to London Gatwick Airport

What is the cheapest month to book a flight from Ottawa to London Gatwick Airport?

Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of £263). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of £493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to LGW?

Find hourly flight availability from Ottawa to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

When flying from Ottawa to London Gatwick Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Gatwick. 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 Gatwick?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to London Gatwick. On average, Ottawa has 0 outbound flights to London Gatwick per day from 0 airlines. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from Ottawa to London Gatwick Airport?

    For as low as £521, Air Transat can have you in London Gatwick Airport from Ottawa in 18h 25m. The distance from Ottawa to London Gatwick Airport is about 3340 mi.

  • Can I find deals for flights from Ottawa to Gatwick that include hotel bookings?

    Yes. In addition to deals on Ottawa to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Gatwick.

  • Can I find deals for business class flights from Ottawa to Gatwick?

    Yes. Cheapflights offers flight deals from Ottawa to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to London Gatwick Airport?

    Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of £263). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of £493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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Deals for Ottawa to Gatwick flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Gatwick?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Gatwick.

Can Cheapflights find flights from Ottawa to Gatwick with no change fees?

Yes, we can. To see specific flights from Ottawa to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ottawa to Gatwick become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Gatwick from Ottawa today and book when prices fit your budget.

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