£187 Find Cheap Flights from Ottawa to London Gatwick Airport – Compare and Save

Among airlines operating Ottawa to London Gatwick Airport flights:

• Air Transat: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Air Transat operates flights between Ottawa and London Gatwick Airport.

Flights from Ottawa to London Gatwick Airport usually depart from Ottawa (YOW) and arrive at London Gatwick (LGW).

Here are some options for this route, based on selected ticket types and cabin classes:

• Air Transat: a cabin bag and a checked bag in Economy class
• Porter Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Ottawa to London Gatwick Airport.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £401 return via Montreal Pierre Elliott Trudeau Intl (YUL), compared with £513 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £23–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Air Transat and Porter Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

One-stop flights from Ottawa to London Gatwick Airport most commonly connect through:

• Toronto Pearson Intl (YYZ) – 96% of one-stop connections
• Paris Charles de Gaulle (CDG) – 2% of one-stop connections
• London Heathrow (LHR) – 0% of one-stop connections
• Orlando (MCO) – 0% of one-stop connections

Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 19% on the Ottawa to London Gatwick Airport route. Thursday is the cheapest departure day at £416 return on average, while Tuesday is the most expensive at £508, a difference of £91. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Ottawa to London Gatwick Airport route, 8% of flights were delayed in the past 3 months, with delays averaging 1 hour 52 minutes.

Some of the most popular sights in London Gatwick Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Gatwick Airport on KAYAK.

These are the earliest and latest flight times available from Ottawa to London Gatwick Airport:

• Earliest: departs at 19:40 and lands at 02:55
• Latest: departs at 19:40 and lands at 02:55.

The flight takes about 7h 15m.

Last-minute fares on this route (booked within 2 weeks of departure) run 5% above the route average of £456. Book 11 weeks before departure for the lowest fares.

A direct flight from Ottawa to London Gatwick Airport takes 7h 15m, covering 3,340 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £378 to £2,313. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Ottawa to London Gatwick Airport are currently lower than usual. Average one-way flight prices are about £195, which is 39% below the typical average for this route.

Air Transat is the only airline operating Ottawa to London Gatwick Airport flights. 93% of its flights are on time.

Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time of 10h 09m, compared to 12h 47m via Montreal Pierre Elliott Trudeau Intl (YUL) and 13h 00m via Toronto Pearson Intl (YYZ).

London Gatwick Airport is 5 hours ahead of Ottawa (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

London Gatwick Airport (LGW) hosts 5 major car hire companies, with daily rates starting from around £6 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• U-Save
• Europcar
• Alamo

Return flights from Ottawa to London Gatwick Airport range from £406 to £544, with an average of £456 over the past 12 months. Anything below £406 counts as a good deal.