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Cheap flights from Ottawa to London from C$ 323

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LON
23 Dec — 30 Dec1
1 adult

The best prices from Ottawa to London are usually found in January or February, booked 72 days in advance, depart on a Sunday or Monday and return on a Monday

Cheap flight deals from Ottawa to London

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to London (LON). 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 18 December 2024.

Round-trip from

C$ 848

One-way from

C$ 330

Popular in

December

Cheapest in

January

Average price

C$ 1,311
17/1-8/2
  • 17/1-8/2
  • 3 total stops
  • 53h 21m total
  • Ottawa to London
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WestJet
  • WestJet
  • 17/1
  • 2 total stops
  • 25h 20m total
  • Ottawa to London
Search Deals
High demand for flights, 0% potential price rise
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Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Ottawa to London

Cheapest flights from Ottawa to London
Explore the most affordable flight options available from Ottawa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 31/125:20 p.m.YOW - LHR
1 stop12h 10mVirgin Atlantic
Wed 15/111:30 a.m.LHR - YOW
1 stop32h 40mVirgin Atlantic
Deal found 18/12C$ 1,033
Tue 31/125:20 p.m.YOW - LHR
1 stop12h 10mMultiple Airlines
Wed 15/110:00 a.m.LHR - YOW
2 stops19h 10mMultiple Airlines
Deal found 18/12C$ 1,061
Tue 31/125:20 p.m.YOW - LHR
2 stops12h 25mKLM
Wed 15/110:00 a.m.LHR - YOW
2 stops19h 10mKLM
Deal found 18/12C$ 1,093
Tue 31/127:00 a.m.YOW - LGW
3 stops29h 50mMultiple Airlines
Wed 15/18:15 a.m.LGW - YOW
2 stops21h 30mMultiple Airlines
Deal found 18/12C$ 1,291
Thu 26/125:35 p.m.YOW - LHR
1 stop22h 00mAir Canada
Thu 9/19:00 a.m.LHR - YOW
1 stop19h 06mAir Canada
Deal found 17/12C$ 1,327
Tue 31/124:00 p.m.YOW - LGW
1 stop12h 45mPorter Airlines
Wed 15/111:40 a.m.LGW - YOW
1 stop32h 30mPorter Airlines
Deal found 18/12C$ 1,334
Thu 26/127:45 a.m.YOW - LGW
1 stop21h 00mAir Transat
Sat 11/111:40 a.m.LGW - YOW
1 stop25h 35mAir Transat
Deal found 17/12C$ 1,350
Tue 24/125:20 p.m.YOW - LHR
1 stop9h 40mAir France
Tue 31/129:00 a.m.LHR - YOW
1 stop11h 10mAir France
Deal found 17/12C$ 1,354
Tue 17/125:55 a.m.YOW - LHR
2 stops23h 35mDelta
Tue 24/124:35 p.m.LHR - YOW
2 stops36h 35mDelta
Deal found 16/12C$ 1,758
Wed 25/126:10 a.m.YOW - STN
3 stops36h 15mMultiple Airlines
Wed 1/15:55 a.m.STN - YOW
3 stops32h 22mMultiple Airlines
Deal found 16/12C$ 1,988
Wed 25/121:00 p.m.YOW - LTN
2 stops18h 05mMultiple Airlines
Wed 1/17:05 a.m.LTN - YOW
2 stops17h 17mMultiple Airlines
Deal found 16/12C$ 2,035
Thu 26/128:15 p.m.YOW - LHR
2 stops16h 05mLOT
Fri 10/16:10 p.m.LHR - YOW
2 stops34h 37mLOT
Deal found 17/12C$ 2,225

Find flights from Ottawa to London within your budget

Customize your flight search to find flights from Ottawa to London 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 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 17/1

6:30 a.m.-12:50 p.m.

2 stops25h 20m

London Heathrow

Sat 8/2

2:50 p.m.-1:51 p.m.

1 stop28h 01m

C$ 848

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 16/1

5:20 p.m.-10:30 a.m.

1 stop12h 10m

London Heathrow

Wed 19/2

11:30 a.m.-3:10 p.m.

1 stop32h 40m

C$ 853

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 17/1

6:15 a.m.-12:50 p.m.

1 stop25h 35m

London Heathrow

Sun 19/1

2:50 p.m.-8:50 p.m.

2 stops35h 00m

C$ 854

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 1/3

5:35 p.m.-8:35 p.m.

1 stop22h 00m

London Heathrow

Mon 31/3

2:05 p.m.-4:45 p.m.

Nonstop7h 40m

C$ 867

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 20/2

5:20 p.m.-10:45 a.m.

2 stops12h 25m

London Heathrow

Mon 24/2

6:30 a.m.-3:10 p.m.

2 stops13h 40m

C$ 890

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 15/1

7:00 a.m.-6:00 a.m.

2 stops18h 00m

London Gatwick

Wed 22/1

8:15 a.m.-12:45 a.m.

2 stops21h 30m

C$ 918

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 19/1

8:35 a.m.-10:00 a.m.

2 stops20h 25m

London Stansted

Wed 29/1

11:00 a.m.-12:40 a.m.

2 stops18h 40m

C$ 918

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 13/1

4:00 p.m.-9:45 a.m.

1 stop12h 45m

London Gatwick

Mon 20/1

11:40 a.m.-8:15 a.m.

1 stop25h 35m

C$ 978

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 13/1

4:00 p.m.-9:45 a.m.

1 stop12h 45m

London Gatwick

Mon 20/1

11:40 a.m.-12:40 a.m.

1 stop18h 00m

C$ 988

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 6/3

6:20 a.m.-6:40 a.m.

2 stops19h 20m

London Heathrow

Tue 1/4

4:00 p.m.-2:04 p.m.

2 stops27h 04m

C$ 994

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 40 results
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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.

Travel insights for flights from Ottawa to London

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to London. Price data was last updated on 13 December 2024.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to London (average of C$ 560). Flying from Ottawa to London in July is currently the most expensive (average of C$ 874). 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 LON?

Find hourly flight availability from Ottawa to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

Unlike at noon, when flights are generally more expensive, you can save up to 6% on flights from Ottawa to London by exploring options for tickets in the afternoon.

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

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

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

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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 18 December 2024.
See what other customers who have flown with Lufthansa, Air France and Air Canada from Ottawa to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to London. You should not have trouble finding flights to London from Ottawa; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Ottawa airport to London. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

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

    Our cheapest airline available from Ottawa to London is Air France. Our recent data shows that you can find tickets from as low as C$ 853 on this airline. Additional options worth looking into are WestJet and Air Canada, starting at C$ 856 and C$ 867 round-trip. You may be able to fly from Ottawa to London for 24% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 330. Porter Airlines flights start at C$ 623 while deals on Air Transat start at C$ 761 one-way.

  • What are the most popular routes from Ottawa to London?

    Most travellers choose Ottawa - London Heathrow, Ottawa - London Gatwick or Ottawa - London City when deciding on the best route from Ottawa to London.

  • What are the cheapest flights from Ottawa to London?

    The cheapest flight price from Ottawa to London is C$ 977. On average you can expect to pay C$ 1,153. The most popular route, (Ottawa - London Heathrow), can usually be booked for C$ 804.

  • Where are the most common layover locations when flying from Ottawa to London?

    The most popular layover on flights from Ottawa to London is Toronto.

  • What are some popular things to do or see while on a layover in Toronto?

    Toronto travelers tend to visit Union Station, CN Tower, and Ed Mirvish Theatre more than anywhere else. Union Station, CN Tower, and Ed Mirvish Theatre are located about 19.5 km, 19.1 km, and 19.4 km, respectively from Toronto Pearson Intl. Those landing in Toronto looking to spend some time exploring during their layover can rent a car for about C$ 31 per day.

  • Where are the least popular layover locations for Ottawa to London flights?

    Of the flights from Ottawa to London that have layovers, the fewest flights stop in Montreal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to London 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?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to London (average of C$ 560). Flying from Ottawa to London in July is currently the most expensive (average of C$ 874). 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

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Fly from Ottawa to London on these airlines

Choose from the following airlines for your flight from Ottawa to London. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2024.
Air Canada flights from Ottawa to London
Lufthansa flights from Ottawa to London
Air Transat flights from Ottawa to London

Top 6 airlines flying from Ottawa to London

Discover the top 6 airlines that operate flights from Ottawa to London. 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 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 831AverageC$ 1,029FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapestC$ 835AverageC$ 993FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Porter AirlinesCheapestC$ 927AverageC$ 1,078FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 972AverageC$ 1,193FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 1,011AverageC$ 1,169FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 1,021AverageC$ 1,167FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Ottawa to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to London for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to London from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Ottawa to London 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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