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Cheap flights from Ottawa to London from C$ 566

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LON
3 May — 10 May1
1 adult
Fri 3/5
Fri 10/5

The best prices from Ottawa to London are usually found in January or November, booked 85 days in advance, depart on a Monday or Thursday and return on a Thursday

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 28 April 2024.

Popular in

December

Cheapest in

January

Average price

C$ 1,106

Round-trip from

C$ 757
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 13% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From Ottawa to London (LON)
Search Deals

What is the cheapest day to fly round-trip from Ottawa to London?

Friday flights are found to be more expensive to fly from Ottawa to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

To save up to 40% on this flight, we recommend booking at least 42 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to London from C$ 1,025 1-2 weeks out and tickets from C$ 1,607 for flights departing within the next 72 hours.

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

January can be a great time to fly to London from Ottawa with a flight ticket averaging about C$ 1,112. Cheapflights users have found deals in the month of January for as cheap as C$ 906. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Ottawa to London (YOW - LON)?

Unlike at noon, when flights are generally more expensive, you can save up to 10% on flights from Ottawa to London by exploring options for tickets in the afternoon.

Cheap United Airlines flights from Ottawa to London

Explore cheap flight options specifically provided by United Airlines for the route between Ottawa and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 28 April 2024.
Find some of the cheapest United Airlines flights travelling from Ottawa to London. Make sure to check back often as deals are often changing.
Mon 6/59:45 a.m.YOW - LHR
1 stop16h 00mUnited Airlines
Mon 13/54:40 p.m.LHR - YOW
2 stops25h 00mUnited Airlines
Deal found 27/4C$ 1,386
Mon 6/52:47 p.m.YOW - LHR
2 stops14h 23mUnited Airlines
Mon 13/54:40 p.m.LHR - YOW
2 stops25h 00mUnited Airlines
Deal found 27/4C$ 1,391
Tue 4/69:50 a.m.YOW - LHR
2 stops17h 30mUnited Airlines
Tue 11/61:05 p.m.LHR - YOW
1 stop13h 43mUnited Airlines
Deal found 27/4C$ 1,624

Cheap Lufthansa flights from Ottawa to London

Explore cheap flight options specifically provided by Lufthansa for the route between Ottawa and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 28 April 2024.
To aid your search, here are some of the cheapest Lufthansa flights we've found from Ottawa to London. Deals frequently update to provide users with more options.
Mon 14/106:40 p.m.YOW - LHR
1 stop10h 20mLufthansa
Mon 21/107:25 a.m.LHR - YOW
2 stops15h 48mLufthansa
Deal found 27/4C$ 1,057
Sun 6/1012:00 p.m.YOW - LHR
1 stop13h 35mLufthansa
Thu 10/109:30 a.m.LHR - YOW
1 stop17h 35mLufthansa
Deal found 27/4C$ 1,124
Sun 6/106:40 p.m.YOW - LCY
2 stops40h 45mLufthansa
Thu 10/105:00 p.m.LCY - YOW
2 stops31h 00mLufthansa
Deal found 26/4C$ 1,259
Sun 6/106:40 p.m.YOW - LCY
2 stops42h 55mLufthansa
Thu 10/105:00 p.m.LCY - YOW
2 stops31h 00mLufthansa
Deal found 27/4C$ 1,260
Mon 29/43:30 p.m.YOW - LHR
1 stop10h 00mLufthansa
Sat 1/69:30 a.m.LHR - YOW
2 stops14h 32mLufthansa
Deal found 27/4C$ 1,800
Mon 29/43:30 p.m.YOW - LHR
1 stop10h 00mLufthansa
Sat 1/69:30 a.m.LHR - YOW
1 stop14h 32mLufthansa
Deal found 27/4C$ 1,808
Sun 28/46:20 p.m.YOW - LHR
2 stops39h 20mLufthansa
Sun 5/58:25 p.m.LHR - YOW
2 stops27h 52mLufthansa
Deal found 27/4C$ 1,810
Sun 28/46:20 p.m.YOW - LHR
1 stop31h 10mLufthansa
Sun 5/56:00 p.m.LHR - YOW
1 stop11h 32mLufthansa
Deal found 27/4C$ 1,819

Cheap Ottawa to London flights in April & May 2024

Find cheap flight options from Ottawa to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 504,135 searches. Prices were last updated on 28 April 2024.
The lowest fares we've come across on flights travelling from Ottawa to London in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 28/57:15 p.m.YOW - LGW
1 stop32h 45mMultiple Airlines
Tue 4/62:00 p.m.LGW - YOW
1 stop32h 27mMultiple Airlines
Deal found 28/4C$ 830
Sat 11/57:50 p.m.YOW - LGW
1 stop9h 55mPorter Airlines
Fri 17/59:50 a.m.LGW - YOW
1 stop14h 28mPorter Airlines
Deal found 27/4C$ 932
Mon 13/54:10 p.m.YOW - LGW
1 stop10h 10mPorter Airlines
Tue 21/512:40 p.m.LGW - YOW
1 stop11h 38mPorter Airlines
Deal found 27/4C$ 958
Tue 14/54:10 p.m.YOW - LGW
1 stop13h 35mPorter Airlines
Mon 10/612:40 p.m.LGW - YOW
1 stop13h 48mPorter Airlines
Deal found 27/4C$ 964
Sat 18/54:10 p.m.YOW - LGW
1 stop13h 35mPorter Airlines
Sat 15/69:40 a.m.LGW - YOW
1 stop27h 23mPorter Airlines
Deal found 27/4C$ 965
Tue 28/54:10 p.m.YOW - LGW
2 stops12h 40mAir Transat
Tue 4/69:40 a.m.LGW - YOW
1 stop16h 48mAir Transat
Deal found 28/4C$ 1,018
Tue 14/511:55 a.m.YOW - LGW
1 stop17h 50mPorter Airlines
Thu 23/512:40 p.m.LGW - YOW
1 stop16h 48mPorter Airlines
Deal found 27/4C$ 1,024
Tue 28/51:25 p.m.YOW - LHR
1 stop12h 05mMultiple Airlines
Tue 4/67:00 a.m.LHR - YOW
2 stops15h 40mMultiple Airlines
Deal found 28/4C$ 1,033
Mon 13/57:15 a.m.YOW - LGW
1 stop20h 45mMultiple Airlines
Tue 21/59:10 p.m.LGW - YOW
2 stops38h 49mMultiple Airlines
Deal found 27/4C$ 1,035

Ottawa to London 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 28 April 2024.
The lowest fares we've come across on flights travelling from Ottawa to London in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 28/57:15 p.m.YOW - LGW
1 stop32h 45mMultiple Airlines
Tue 4/62:00 p.m.LGW - YOW
1 stop32h 27mMultiple Airlines
Deal found 28/4C$ 830
Fri 6/98:05 a.m.YOW - LGW
1 stop18h 50mPorter Airlines
Fri 20/912:40 p.m.LGW - YOW
1 stop16h 47mPorter Airlines
Deal found 27/4C$ 899
Mon 14/1011:55 a.m.YOW - LGW
1 stop17h 50mPorter Airlines
Mon 21/1012:40 p.m.LGW - YOW
1 stop27h 22mPorter Airlines
Deal found 27/4C$ 903
Thu 26/98:00 p.m.YOW - LGW
1 stop9h 45mPorter Airlines
Mon 30/912:40 p.m.LGW - YOW
1 stop24h 32mPorter Airlines
Deal found 27/4C$ 905
Sun 22/911:55 a.m.YOW - LGW
1 stop15h 00mPorter Airlines
Thu 26/912:40 p.m.LGW - YOW
1 stop16h 47mPorter Airlines
Deal found 27/4C$ 932
Sun 13/1011:55 a.m.YOW - LGW
1 stop15h 00mPorter Airlines
Mon 21/109:40 a.m.LGW - YOW
1 stop13h 02mPorter Airlines
Deal found 27/4C$ 957
Mon 13/54:10 p.m.YOW - LGW
1 stop10h 10mPorter Airlines
Tue 21/512:40 p.m.LGW - YOW
1 stop11h 38mPorter Airlines
Deal found 27/4C$ 958
Tue 14/54:10 p.m.YOW - LGW
1 stop13h 35mPorter Airlines
Mon 10/612:40 p.m.LGW - YOW
1 stop13h 48mPorter Airlines
Deal found 27/4C$ 964
Sat 18/54:10 p.m.YOW - LGW
1 stop13h 35mPorter Airlines
Sat 15/69:40 a.m.LGW - YOW
1 stop27h 23mPorter Airlines
Deal found 27/4C$ 965

Ottawa to London flights leaving soon

Find last-minute flight options from Ottawa to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 28 April 2024.
Have a look at some of the last-minute flights available departing from Ottawa to London. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 7/51:25 p.m.YOW - LHR
1 stop15h 35mAir Canada
Tue 14/58:30 a.m.LHR - YOW
1 stop15h 47mAir Canada
Deal found 27/4C$ 1,050
Tue 7/51:25 p.m.YOW - LHR
1 stop12h 05mAir Canada
Tue 14/59:30 a.m.LHR - YOW
2 stops15h 49mAir Canada
Deal found 27/4C$ 1,072
Sat 11/57:00 a.m.YOW - LHR
1 stop9h 00mAir Canada
Mon 20/59:30 a.m.LHR - YOW
2 stops12h 49mAir Canada
Deal found 27/4C$ 1,078
Sat 11/511:00 a.m.YOW - LHR
1 stop14h 30mAir Canada
Mon 20/59:30 a.m.LHR - YOW
1 stop28h 12mAir Canada
Deal found 27/4C$ 1,108
Sat 11/57:00 a.m.YOW - LHR
1 stop9h 00mAir Canada
Sun 19/59:30 a.m.LHR - YOW
2 stops15h 49mAir Canada
Deal found 27/4C$ 1,117
Sat 11/57:00 a.m.YOW - LHR
1 stop9h 00mMultiple Airlines
Fri 17/58:30 a.m.LHR - YOW
1 stop21h 02mMultiple Airlines
Deal found 27/4C$ 1,125
Mon 6/511:55 a.m.YOW - LGW
1 stop14h 25mAir Transat
Mon 13/512:40 p.m.LGW - YOW
1 stop32h 38mAir Transat
Deal found 27/4C$ 1,128
Sat 11/58:10 a.m.YOW - LHR
1 stop17h 20mAir Canada
Fri 17/59:30 a.m.LHR - YOW
2 stops12h 49mAir Canada
Deal found 27/4C$ 1,145
Mon 6/512:00 p.m.YOW - LHR
1 stop15h 35mAir Canada
Mon 13/58:30 a.m.LHR - YOW
1 stop15h 47mAir Canada
Deal found 27/4C$ 1,174

One-way flights to London from Ottawa

Search for one-way flight options from Ottawa to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 28 April 2024.
Some of the best available deals we've found on one-way flights from Ottawa to London. Those seeking round-trip flights from Ottawa to London should utilize the search form at the top of the page.
Sun 21/78:00 p.m.YOW - LGW
2 stops15h 35mMultiple Airlines
Deal found 27/4C$ 566
Sun 21/79:25 a.m.YOW - STN
2 stops20h 15mMultiple Airlines
Deal found 27/4C$ 588
Sun 21/78:00 p.m.YOW - LHR
2 stops14h 55mMultiple Airlines
Deal found 27/4C$ 590
Mon 22/72:35 p.m.YOW - LHR
2 stops19h 20mMultiple Airlines
Deal found 27/4C$ 596
Thu 30/511:55 a.m.YOW - LGW
2 stops16h 05mMultiple Airlines
Deal found 27/4C$ 618
Sun 21/712:30 p.m.YOW - STN
3 stops17h 10mMultiple Airlines
Deal found 27/4C$ 622
Sun 21/78:00 p.m.YOW - LCY
2 stops16h 30mMultiple Airlines
Deal found 27/4C$ 633
Sun 21/78:00 p.m.YOW - LTN
3 stops21h 05mMultiple Airlines
Deal found 27/4C$ 638
Thu 30/52:40 p.m.YOW - LGW
1 stop12h 25mPorter Airlines
Deal found 27/4C$ 667

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 504,135 searches. Data last updated 28 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 899 - C$ 1,624

Route

Depart

Return

Price

OttawaLondon Gatwick

YOW - LGW

YOWLGW

Ottawa

Fri 6/9

1 stop18h 50m

London Gatwick

Fri 20/9

1 stop16h 47m

C$ 899

OttawaLondon Gatwick

YOW - LGW

YOWLGW

Ottawa

Mon 9/9

2 stops14h 15m

London Gatwick

Wed 18/9

1 stop16h 47m

C$ 1,018

OttawaLondon Gatwick

YOW - LGW

YOWLGW

Ottawa

Mon 13/5

1 stop20h 45m

London Gatwick

Tue 21/5

2 stops38h 49m

C$ 1,035

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 13/5

1 stop9h 00m

London Heathrow

Tue 21/5

2 stops13h 25m

C$ 1,040

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 14/10

1 stop10h 20m

London Heathrow

Mon 21/10

2 stops15h 48m

C$ 1,057

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 13/10

2 stops54h 20m

London Heathrow

Sun 20/10

2 stops35h 30m

C$ 1,151

OttawaLondon City

YOW - LCY

YOWLCY

Ottawa

Sun 19/5

2 stops15h 50m

London City

Wed 12/6

2 stops13h 15m

C$ 1,253

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 14/10

2 stops16h 20m

London Heathrow

Mon 21/10

2 stops18h 43m

C$ 1,584

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 4/6

2 stops17h 30m

London Heathrow

Tue 11/6

1 stop13h 43m

C$ 1,624

Flights are sorted by cheapest first

Deals found on 27/4

When is the best time to 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 28 January 2024.
Booking 85 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.
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When is the cheapest time 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 21 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to London flight should consider departing on Tuesday afternoons 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.
Search Deals

Average price of flights to London by month

Plan your trip from Ottawa to London by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to London is currently C$ 613 while a round-trip flight costs C$ 1,185. Price data was last updated on 21 April 2024.

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$ 941). 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.

January

C$ 765

February

C$ 836

March

C$ 928

April

C$ 914

May

C$ 992

June

C$ 1,103

July

C$ 1,286

August

C$ 1,113

September

C$ 990

October

C$ 917

November

C$ 901

December

C$ 985

Temperature and rainfall in London by month

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

LON

Temperature

4 - 17 °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 28 April 2024.
See what other customers who have flown with United Airlines, Lufthansa and Austrian Airlines from Ottawa to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,623 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

SWISS
7.8
Good
2,056 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,083 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air Transat
7.6
Good
496 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

WestJet
7.5
Good
2,977 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.9

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 10 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.

  • Can I find flights from Ottawa to London for under C$ 900 on Cheapflights?

    Yes, there are multiple flights from Ottawa to London for under C$ 900. The cheapest flight booked recently is on Porter Airlines for just C$ 899, but on average you can expect to pay C$ 994.

  • Are there last-minute flights available from Ottawa to London for under C$ 1,100?

    There are currently 20+ open flights from Ottawa to London within the next 7 days for less than C$ 1,100.

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

    Our cheapest airline available from Ottawa to London is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 899 on this airline. Additional options worth looking into are Air Transat and Air Canada, starting at C$ 1,018 and C$ 1,040 round-trip. You may be able to fly from Ottawa to London for 19% 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 667. WestJet flights start at C$ 779 while deals on Air Transat start at C$ 789 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 most popular airlines that fly from Ottawa to London?

    Before booking your flight from Ottawa to London check out the most popular airlines for this route: Air Canada, Air France or Lufthansa.

  • What does YOW to LHR mean?

    This is defined as Ottawa Airport (YOW) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • 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 Ripley's Aquarium of Canada more than anywhere else. Union Station, CN Tower, and Ripley's Aquarium of Canada are located about 19.5 km, 19.1 km, and 19.2 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$ 40 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 extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ottawa to London that allow pets onboard?

    Many airlines flying from Ottawa to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ottawa to London?

    Yes, you can often find last-minute deals on Ottawa to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ottawa to London flight deals updated?

    The Ottawa to London flight deals you see on this page were last updated on 28/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 April 2024.

Air Canada flights from Ottawa to London
Lufthansa flights from Ottawa to London
Air Transat flights from Ottawa to London

Top 10 airlines flying from Ottawa to London

Discover the top 10 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 504,135 searches. Data last updated 28 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapestC$ 791AverageC$ 849FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Porter AirlinesCheapestC$ 877AverageC$ 945FlexibilityNo cancel feeOn-time52%
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Air CanadaCheapestC$ 880AverageC$ 1,186FlexibilityNo cancel feeOn-time67%
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Air TransatCheapestC$ 896AverageC$ 1,131FlexibilityNo cancel feeOn-time50%
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Air FranceCheapestC$ 917AverageC$ 1,001FlexibilityNo cancel feeOn-time77%
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LufthansaCheapestC$ 959AverageC$ 1,398FlexibilityNo cancel feeOn-time76%
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SWISSCheapestC$ 964AverageC$ 1,046FlexibilityNo cancel feeOn-time79%
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United AirlinesCheapestC$ 979AverageC$ 1,113FlexibilityNo cancel feeOn-time69%
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Aer LingusCheapestC$ 1,475AverageC$ 1,988FlexibilityNo cancel feeOn-timeN/A
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LOTCheapestC$ 1,737AverageC$ 2,077FlexibilityNo cancel feeOn-time81%
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