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Cheap flights from the United Kingdom to Ottawa from £215

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
2 Apr — 9 Apr1
1 adult

Cheap flight deals from United Kingdom to Ottawa

Keep the following information in mind while searching for United Kingdom to Ottawa flight deals. Data was last updated 28 March 2025.

Round-trip from

£405

One-way from

£215

Popular in

August

Cheapest in

January

Average price

£514

Good round-trip deal

£465 or less
United Airlines
  • United Airlines
  • 9/4-14/4
  • 4 total stops
  • 34h 52m total
  • United Kingdom to Ottawa
Search Deals
10/5
  • 10/5
  • 3 total stops
  • 40h 50m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ottawa.
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Find flight deals from United Kingdom to Ottawa

Cheapest flights from United Kingdom to Ottawa
Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Thu 30/1014:30LHR - YOW
2 stops22h 47mAir Canada
Mon 3/1113:15YOW - LHR
1 stop12h 55mAir Canada
Deal found 28/3£384
Sat 29/309:30LHR - YOW
2 stops16h 31mUnited Airlines
Wed 9/405:15YOW - LHR
2 stops20h 05mUnited Airlines
Deal found 27/3£399
Mon 16/606:15LHR - YOW
1 stop13h 50mAir France
Sun 6/717:15YOW - LHR
1 stop18h 20mAir France
Deal found 27/3£407
Wed 7/514:45LHR - YOW
2 stops14h 37mMultiple Airlines
Tue 13/517:15YOW - LHR
1 stop18h 20mMultiple Airlines
Deal found 28/3£412
Wed 14/522:00STN - YOW
2 stops31h 22mMultiple Airlines
Sat 24/505:55YOW - STN
2 stops28h 35mMultiple Airlines
Deal found 28/3£436
Thu 1/512:40LGW - YOW
1 stop16h 42mMultiple Airlines
Thu 15/505:55YOW - LGW
1 stop23h 50mMultiple Airlines
Deal found 28/3£436
Thu 10/407:45LCY - YOW
2 stops21h 24mKLM
Sun 13/417:15YOW - LCY
2 stops18h 25mKLM
Deal found 27/3£453
Fri 9/512:40LGW - YOW
1 stop13h 21mAir Transat
Sun 11/516:40YOW - LGW
1 stop13h 05mAir Transat
Deal found 27/3£455
Thu 8/506:00LHR - YOW
2 stops16h 04mAustrian Airlines
Wed 14/519:55YOW - LHR
1 stop10h 55mAustrian Airlines
Deal found 28/3£458
Wed 14/512:40LHR - YOW
Nonstop7h 30mLufthansa
Mon 19/518:55YOW - LHR
Nonstop6h 35mLufthansa
Deal found 28/3£472
Wed 30/413:45MAN - YOW
2 stops15h 37mMultiple Airlines
Tue 13/517:15YOW - MAN
1 stop15h 10mMultiple Airlines
Deal found 28/3£485
Thu 22/508:35GLA - YOW
1 stop17h 26mAir Transat
Wed 28/516:40YOW - GLA
1 stop9h 10mAir Transat
Deal found 27/3£492

Cheapflights Fare Finder

Customise your flight search to find flights from United Kingdom to Ottawa 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 858,174 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

United Kingdom

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 9/4

07:30-18:52

2 stops16h 22m

Ottawa

Mon 14/4

09:50-09:20

2 stops18h 30m

£405

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 16/6

06:15-15:05

1 stop13h 50m

Ottawa

Sun 6/7

17:15-16:35

1 stop18h 20m

£407

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 18/5

09:30-17:15

2 stops12h 45m

Ottawa

Thu 22/5

09:20-06:45

2 stops16h 25m

£409

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 7/5

14:45-00:22

2 stops14h 37m

Ottawa

Tue 13/5

17:15-16:35

1 stop18h 20m

£412

LondonOttawa

STN - YOW

STNYOW

London Stansted

Wed 14/5

22:00-00:22

2 stops31h 22m

Ottawa

Sat 24/5

05:55-15:30

2 stops28h 35m

£436

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 1/5

12:40-00:22

1 stop16h 42m

Ottawa

Thu 15/5

05:55-10:45

1 stop23h 50m

£436

LondonOttawa

LCY - YOW

LCYYOW

London City

Thu 10/4

07:45-00:09

2 stops21h 24m

Ottawa

Sun 13/4

17:15-16:40

2 stops18h 25m

£453

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 9/5

12:40-21:01

1 stop13h 21m

Ottawa

Sun 11/5

16:40-10:45

1 stop13h 05m

£455

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 8/5

06:00-17:04

2 stops16h 04m

Ottawa

Wed 14/5

19:55-11:50

1 stop10h 55m

£458

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 14/5

12:40-15:10

Nonstop7h 30m

Ottawa

Mon 19/5

18:55-06:30

Nonstop6h 35m

£472

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 50 results
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Best time to book a flight from United Kingdom to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from United Kingdom with our price prediction graph.
Estimated return 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 the United Kingdom to Ottawa

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £588). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £875). 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 GB to YOW?

Find hourly flight availability from United Kingdom to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.

When flying from United Kingdom to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ottawa by month

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

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

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

If weather is an important factor for your trip to Ottawa, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 28 March 2025.
Read through reviews of airlines operating flights from United Kingdom to Ottawa, such as KLM, Air Transat and LOT. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air Transat
7.8
Good
381 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,063 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.5
Good
769 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,570 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Ottawa. 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 into for flights to Ottawa from United Kingdom?

    If you book a flight to Ottawa from United Kingdom, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa.

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

    £402 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on WestJet and Air Transat, with prices starting from £416 and £429, respectively.

  • What are the most popular routes from United Kingdom to Ottawa?

    While some choose either London Gatwick - Ottawa or London City - Ottawa, London Heathrow - Ottawa is the most popular route from United Kingdom to Ottawa.

  • What are the cheapest flights from United Kingdom to Ottawa?

    Looking for the cheapest flight from United Kingdom to Ottawa? While on average our users pay £536, our data indicates the cheapest price to be £402. The most popular route (London Heathrow - Ottawa), is priced around £298.

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

    Yes. In addition to deals on United Kingdom to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Ottawa?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Ottawa 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 United Kingdom to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £588). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £875). 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Gatineau
Smiths Falls

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Alternative routes for United Kingdom to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from United Kingdom to Ottawa

Discover the top 8 airlines that operate flights from United Kingdom to Ottawa. 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 858,174 searches. Data last updated 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£382Average£642FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£393Average£670FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£395Average£599FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapest£428Average£567FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£463Average£681FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£464Average£703FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£547Average£715FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£679Average£889FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from United Kingdom to Ottawa?

When you search for this flight from United Kingdom to Ottawa, 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 United Kingdom to Ottawa?

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

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Ottawa with no change fees.

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

Of course! You can now track prices for flights from United Kingdom to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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