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Cheap flights from Ottawa to London Gatwick Airport from C$ 400

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from Ottawa to London Gatwick are usually found in September or October, booked 73 days in advance, depart on a Monday or Sunday and return on a Tuesday

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 21 March 2025.

Round-trip from

C$ 935

One-way from

C$ 400

Popular in

December

Cheapest in

September

Average price

C$ 1,064
13/5-9/6
  • 13/5-9/6
  • 5 total stops
  • 52h 47m total
  • Ottawa to London
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5/4
  • 5/4
  • 1 total stop
  • 19h 35m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 422 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 106 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ottawa to Gatwick

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 21 March 2025.

Fri 9/55:55 a.m.YOW - LGW
2 stops46h 55mMultiple Airlines
Sun 18/511:35 a.m.LGW - YOW
2 stops41h 47mMultiple Airlines
Deal found 19/3C$ 942
Tue 13/53:55 p.m.YOW - LGW
2 stops20h 55mSWISS
Wed 11/66:35 p.m.LGW - YOW
2 stops51h 29mSWISS
Deal found 20/3C$ 946
Sat 3/511:20 a.m.YOW - LGW
1 stop18h 25mPorter Airlines
Sat 10/512:40 p.m.LGW - YOW
1 stop13h 21mPorter Airlines
Deal found 19/3C$ 968
Thu 12/62:20 p.m.YOW - LGW
1 stop15h 25mAir Transat
Wed 25/69:40 a.m.LGW - YOW
1 stop16h 21mAir Transat
Deal found 19/3C$ 978
Mon 5/55:55 a.m.YOW - LGW
2 stops22h 30mWestJet
Wed 14/510:45 a.m.LGW - YOW
2 stops18h 37mWestJet
Deal found 20/3C$ 1,110

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 21 March 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

Fri 9/5

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

2 stops46h 55m

London Gatwick

Sun 18/5

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

2 stops41h 47m

C$ 942

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 13/5

3:55 p.m.-5:50 p.m.

2 stops20h 55m

London Gatwick

Wed 11/6

6:35 p.m.-5:04 p.m.

2 stops51h 29m

C$ 946

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 3/5

11:20 a.m.-10:45 a.m.

1 stop18h 25m

London Gatwick

Sat 10/5

12:40 p.m.-9:01 p.m.

1 stop13h 21m

C$ 968

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 12/6

2:20 p.m.-10:45 a.m.

1 stop15h 25m

London Gatwick

Wed 25/6

9:40 a.m.-9:01 p.m.

1 stop16h 21m

C$ 978

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 4/5

5:55 a.m.-9:25 a.m.

2 stops22h 30m

London Gatwick

Sun 18/5

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

2 stops18h 37m

C$ 1,101

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 5/4

9:25 a.m.-10:00 a.m.

1 stop19h 35m

C$ 400

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 9/6

5:55 a.m.-9:25 a.m.

2 stops22h 30m

C$ 417

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 16/5

4:40 p.m.-10:45 a.m.

1 stop13h 05m

C$ 624

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 25/4

6:15 a.m.-10:45 a.m.

1 stop23h 30m

C$ 640

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 31/3

7:05 p.m.-3:35 p.m.

2 stops15h 30m

C$ 1,061

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Showing 1-10 of 12 results
1
2

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 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 Ottawa to London Gatwick Airport

How far ahead should I book a flight from Ottawa to London Gatwick Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Gatwick. Price data was last updated on 14 March 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to London Gatwick Airport, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 511). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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 21 March 2025.

One of the essential ways to save on airfare from Ottawa to London Gatwick Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Ottawa to London Gatwick Airport?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Gatwick. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to London Gatwick Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. 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 Gatwick. Reviews last updated 21 March 2025.
See what other customers who have flown with Porter Airlines, Air Transat and SWISS from Ottawa to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
277 reviews
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
381 reviews
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,567 reviews
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Turkish Airlines
7.3
Good
3,739 reviews
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,782 reviews
Porter Airlines
8.0
Very good
277 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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?

    If you book a flight to London Gatwick from Ottawa, you will be flying from 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 Ottawa to London Gatwick per day from 2 different airlines.

  • What are the cheapest airlines flying from Ottawa to London Gatwick Airport round-trip?

    Flying on SWISS is currently your cheapest option to London Gatwick Airport, with prices starting at C$ 946. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Transat, with the lowest prices starting at C$ 992 and C$ 1,010, respectively. SWISS is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Ottawa to London Gatwick Airport one-way?

    One-way options have recently been found by users for as low as C$ 417 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 624 and Porter Airlines from C$ 640 one-way.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 511). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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
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Top 2 airlines flying from Ottawa to Gatwick

Discover the top 2 airlines that operate flights from Ottawa to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 951AverageC$ 1,130FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 981AverageC$ 1,143FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Gatwick?

When you search for this flight from Ottawa to Gatwick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Gatwick flexibly with Cheapflights today.

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

Yes! Start tracking prices for Ottawa to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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