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Air Transat flights from Ottawa to London (YOW - LON)

YOW — LON
4 May — 11 May1
1 adult

Cheapflights users flying from Ottawa to London on Air Transat typically fly into London Heathrow and depart from Ottawa. Select your dates above for pricing.

Air Transat flights from Ottawa to London in 2025

Find detailed information about Air Transat flights from Ottawa to London. Explore the options provided by Air Transat to plan your journey from Ottawa to London. Data last updated 29 April 2025.

One-way from

C$ 637

Round-trip from

C$ 944

Popular in

December

Cheapest in

February

Average price (all airlines)

C$ 990
Air Transat
  • Air Transat
  • 15/10
  • 1 total stop
  • 15h 25m total
  • Ottawa to London
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Air Transat
  • Air Transat
  • 23/6-3/7
  • 2 total stops
  • 29h 06m total
  • Ottawa to London
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Highest demand for flights from Ottawa to London; 5% potential price increase.
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Best time to find cheap flights from Ottawa to London; 2% potential price drop.
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Average price for all Ottawa to London flights (one-way and round-trip).
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  • Can I get a flight from Ottawa to London on Air Transat for under C$ 800?

    There are 1 flights available on Air Transat from Ottawa to London for under C$ 800. These prices can change based on many factors including date and time. To find YOW-LON flight prices for your dates, click here.

  • How do most travelers feel about Air Transat?

    Air Transat has received a 7.4/10 rating from 642 Cheapflights user reviews. If you wish to plan your next trip from Ottawa to London with Air Transat, enter your preferred travel dates above!

Find Air Transat flight deals from Ottawa to London

Cheapest Air Transat flights from Ottawa to London
Explore the most affordable Air Transat flight options available from Ottawa to London. Find the lowest fares with prices last updated on 29 April 2025.

Wed 21/54:40 p.m.YOW - LGW
1 stop13h 05mAir Transat
Sun 8/69:40 a.m.LGW - YOW
1 stop27h 21mAir Transat
Deal found 29/4C$ 1,055

Travel insights for Air Transat flights from Ottawa to London

Get recent, data-driven insights about Air Transat flights from Ottawa to London including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ottawa to London with Air Transat?

Currently, the most affordable month to book a Air Transat flight from Ottawa to London in May, with an average price of C$ 626. Conversely, traveling with Air Transat from Ottawa to London in March will be the most expensive, with an average cost of C$ 938. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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).

Best time to book a flight from Ottawa to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Ottawa to London on another airline

Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.
Lufthansa flights from Ottawa to London
Air Canada flights from Ottawa to London
WestJet flights from Ottawa to London

See what others are saying about Air Transat

Read reviews and see what other travellers are saying about their experiences with Air Transat. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air Transat for your next flight. Reviews last updated 29 April 2025.
Air Transat
7.8
Good
385 reviews
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Overview

Crew

8.5

Boarding

7.9

Entertainment

7.1

Food

6.7

Comfort

7.4

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