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Cheap flights from the United Kingdom to Ottawa from C$ 367

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
26 Jul — 2 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Ottawa

Enter your travel dates to find the best prices.

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 26 June 2026.

Mon 24/89:45 p.m.
GLA
-
YOW
2 stops24h 50m
Multiple Airlines
Sun 30/86:55 a.m.
YOW
-
GLA
1 stop21h 45m
Multiple Airlines
Deal found 22/6C$ 677
Tue 1/911:35 a.m.
LGW
-
YOW
2 stops50h 49m
Air Transat
Fri 11/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 21/6C$ 736
Fri 11/912:40 p.m.
LHR
-
YOW
1 stop11h 10m
Air Canada
Sun 20/92:35 p.m.
YOW
-
LHR
1 stop10h 55m
Air Canada
Deal found 21/6C$ 741
Thu 2/79:30 a.m.
LHR
-
YOW
Nonstop7h 55m
Air Canada
Wed 8/79:05 p.m.
YOW
-
LHR
Nonstop6h 30m
Air Canada
Deal found 25/6C$ 748
Thu 10/95:50 p.m.
LHR
-
YOW
2 stops25h 04m
Air Canada
Thu 17/96:55 p.m.
YOW
-
LHR
Nonstop6h 35m
Air Canada
Deal found 24/6C$ 752
Thu 10/95:50 p.m.
LHR
-
YOW
2 stops25h 04m
Air Canada
Mon 21/96:55 p.m.
YOW
-
LHR
Nonstop6h 35m
Air Canada
Deal found 23/6C$ 754
Mon 21/99:40 a.m.
LGW
-
YOW
1 stop27h 25m
Air Transat
Tue 29/94:00 p.m.
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 24/6C$ 755
Mon 21/99:30 a.m.
LHR
-
YOW
Nonstop7h 55m
Air Canada
Wed 7/109:00 p.m.
YOW
-
LHR
Nonstop6h 35m
Air Canada
Deal found 24/6C$ 759
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 27/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 24/6C$ 762
Mon 14/98:40 a.m.
LHR
-
YOW
2 stops18h 30m
Multiple Airlines
Mon 28/97:30 p.m.
YOW
-
LHR
1 stop9h 30m
Multiple Airlines
Deal found 22/6C$ 762
Thu 10/95:00 p.m.
LGW
-
YOW
1 stop27h 00m
Air France
Mon 21/95:25 p.m.
YOW
-
LGW
1 stop17h 35m
Air France
Deal found 23/6C$ 764
Fri 11/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 20/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 21/6C$ 765

Find 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 26 June 2026.

Round-trip from

C$ 677

One-way from

C$ 367

Popular in

December

Cheapest in

June

Average price

C$ 803

Good round-trip deal

C$ 1,007 or less

Good one-way deal

C$ 735 or less
WestJet
  • WestJet
  • 24/8-30/8
  • 3 total stops
  • 46h 35m total
  • United Kingdom to Ottawa
Search Deals
16/9
  • 16/9
  • 2 total stops
  • 47h 05m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ottawa.
Search Deals
Price to beat on a one-way flight from United Kingdom to Ottawa.
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 26 June 2026.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/9

5:00 p.m.-3:00 p.m.

1 stop27h 00m

Ottawa

Mon 7/9

5:10 p.m.-4:00 p.m.

1 stop17h 50m

C$ 859

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Wed 5/8

5:50 a.m.-3:00 p.m.

1 stop14h 10m

Ottawa

Wed 19/8

5:10 p.m.-4:55 p.m.

1 stop18h 45m

C$ 873

GlasgowOttawa

GLA - YOW

GLAYOW

Glasgow Intl

Mon 24/8

9:45 p.m.-12:20 a.m.

2 stops31h 35m

Ottawa

Sun 30/8

6:55 a.m.-1:10 p.m.

2 stops25h 15m

C$ 884

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Wed 5/8

10:25 p.m.-12:20 a.m.

3 stops30h 55m

Ottawa

Wed 19/8

6:55 a.m.-10:30 p.m.

3 stops34h 35m

C$ 896

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 21/9

9:40 a.m.-8:00 p.m.

1 stop15h 20m

Ottawa

Sun 14/3

5:45 p.m.-9:45 a.m.

1 stop12h 00m

C$ 921

GlasgowOttawa

GLA - YOW

GLAYOW

Glasgow Intl

Fri 28/8

7:25 a.m.-12:54 p.m.

2 stops34h 29m

Ottawa

Mon 28/9

10:40 a.m.-6:50 a.m.

1 stop15h 10m

C$ 930

BirminghamOttawa

BHX - YOW

BHXYOW

Birmingham

Mon 24/8

9:30 p.m.-12:20 a.m.

3 stops31h 50m

Ottawa

Mon 31/8

6:55 a.m.-10:40 p.m.

2 stops34h 45m

C$ 961

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 9/7

6:30 a.m.-12:20 a.m.

3 stops22h 50m

Ottawa

Fri 17/7

6:55 a.m.-9:20 p.m.

3 stops33h 25m

C$ 964

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 24/7

10:45 a.m.-12:20 a.m.

2 stops18h 35m

Ottawa

Fri 31/7

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 981

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 1/9

6:30 a.m.-3:00 p.m.

2 stops13h 30m

Ottawa

Mon 7/9

5:10 p.m.-4:35 p.m.

1 stop18h 25m

C$ 1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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 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.

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, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 124). Flying from United Kingdom to Ottawa in August is currently the most expensive (average of C$ 2,943). 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 26 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Ottawa as you normally would.

How often are flights from the United Kingdom to Ottawa delayed?

About 12% of weekly flights between United Kingdom and Ottawa have experienced delays in the past year, with the average delay time being 233 minutes.

What is the most punctual flight time for the United Kingdom to Ottawa flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Ottawa flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 11% of flights being delayed.

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

The best time to book flights from United Kingdom to Ottawa is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 26 June 2026.
Check out reviews from past customers who have flown with Air Transat,Air Canada, andLufthansa from the United Kingdom to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
558 reviews
Check prices

Boarding

8.0

Overall

7.8

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
558 reviews
Air Transat
7.8
Good
558 reviews
Check prices

Boarding

8.0

Overall

7.8

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
11,260 reviews
Air Transat
7.8
Good
558 reviews
Check prices

Boarding

8.0

Overall

7.8

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
8,094 reviews
Air Transat
7.8
Good
558 reviews
Check prices

Boarding

8.0

Overall

7.8

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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?

    Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from United Kingdom.

  • How long is the flight from United Kingdom to Ottawa?

    A quick flight from United Kingdom to Ottawa can take about 14h 10m. KLM provides one of the quickest options available for as low as C$ 873. There are 5148 km between United Kingdom and Ottawa. This flight may include one or multiple stops.

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

    C$ 502 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Air Transat and Lufthansa, with prices starting from C$ 589 and C$ 833, 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 most reliable airlines from United Kingdom to Ottawa?

    Before booking your flight to Ottawa from United Kingdom, check out the most reliable airlines to get you to your destination on time: Aegean Airlines (94%), Air Canada (94%), Austrian Airlines( 94%).

  • 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 C$ 1,138, our data indicates the cheapest price to be C$ 702. The most popular route (London Heathrow - Ottawa), is priced around C$ 464.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 124). Flying from United Kingdom to Ottawa in August is currently the most expensive (average of C$ 2,943). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from United Kingdom to Ottawa

Discover the top 2 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 629,999 searches. Data last updated 26 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 719AverageC$ 951FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 794AverageC$ 1,034FlexibilityNo 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 United Kingdom to Ottawa?

Cheapflights helps you search for flights from United Kingdom to Ottawa 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 United Kingdom to Ottawa?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Ottawa from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on United Kingdom to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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