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Cheap flights from London Gatwick Airport to Ottawa from C$ 479

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YOW
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Gatwick to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Ottawa (YOW). 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 29 July 2025.

Round-trip from

C$ 838

One-way from

C$ 479

Popular in

August

Cheapest in

June

Average price

C$ 859
11/9-18/9
  • 11/9-18/9
  • 4 total stops
  • 40h 42m total
  • London to Ottawa
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15/10
  • 15/10
  • 2 total stops
  • 21h 46m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 173 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 66 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Gatwick to Ottawa

Cheapest flights from Gatwick to Ottawa
Explore the most affordable flight options available from Gatwick to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Thu 11/911:35 a.m.LGW - YOW
2 stops17h 47mMultiple Airlines
Thu 18/95:55 a.m.YOW - LGW
2 stops22h 55mMultiple Airlines
Deal found 27/7C$ 838
Tue 11/1111:40 a.m.LGW - YOW
1 stop18h 01mAir Transat
Wed 19/113:05 p.m.YOW - LGW
1 stop13h 40mAir Transat
Deal found 26/7C$ 892
Thu 13/116:40 p.m.LGW - YOW
2 stops29h 38mSWISS
Thu 27/114:10 p.m.YOW - LGW
2 stops20h 40mSWISS
Deal found 28/7C$ 963

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Ottawa 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 29 July 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ottawa that are best for you.

Fly from

Gatwick

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 11/9

11:35 a.m.-12:22 a.m.

2 stops17h 47m

Ottawa

Thu 18/9

5:55 a.m.-9:50 a.m.

2 stops22h 55m

C$ 838

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 20/9

9:40 a.m.-5:21 p.m.

1 stop12h 41m

Ottawa

Mon 22/9

5:05 p.m.-10:45 a.m.

1 stop12h 40m

C$ 894

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 15/10

10:00 p.m.-2:46 p.m.

2 stops21h 46m

C$ 479

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 17/9

10:45 a.m.-12:22 a.m.

2 stops18h 37m

C$ 571

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 11/10

12:40 p.m.-8:35 p.m.

1 stop12h 55m

C$ 792

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Best time to book a flight from Gatwick to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Gatwick 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.

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from London Gatwick Airport to Ottawa (average of C$ 224). Flying from London Gatwick Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 29 July 2025.
Read reviews from past customers who have flown Air Transat and WestJet from London Gatwick Airport to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Crew

8.4

Boarding

7.9

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
424 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Crew

8.4

Boarding

7.9

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
WestJet
7.2
Good
2,973 reviews
Air Transat
7.7
Good
424 reviews
Check prices

Food

6.7

Crew

8.4

Boarding

7.9

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

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

    If you book a flight to Ottawa from London Gatwick, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 0 flights from London Gatwick to Ottawa per day from 0 different airlines.

  • What is the cheapest airline to fly from London Gatwick Airport to Ottawa round-trip?

    Cheapflights users have booked flights from London Gatwick Airport to Ottawa round-trip from C$ 894. Air Transat is priced at 3% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick to Ottawa 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 London Gatwick Airport to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from London Gatwick Airport to Ottawa (average of C$ 224). Flying from London Gatwick Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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

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

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