Cheap flights from the United Kingdom to Ottawa from C$ 387

LHR — YOW
10 Dec — 17 Dec1
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

Thu 3/1211:40 a.m. -
1 stop15h 26m
Thu 10/125:40 p.m. -
1 stop11h 05m
Deal found 5/11C$ 1,043
Thu 19/111:00 p.m. -
1 stop30h 07m
Sat 21/1112:05 p.m. -
2 stops38h 05m
Deal found 5/11C$ 1,047
Mon 9/117:25 p.m. -
2 stops26h 55m
Mon 16/119:55 a.m. -
2 stops16h 15m
Deal found 9/11C$ 1,062
Fri 13/1111:40 a.m. -
1 stop17h 57m
Sat 21/1112:50 p.m. -
1 stop15h 55m
Deal found 8/11C$ 1,078
Thu 3/1212:15 p.m. -
2 stops16h 25m
Thu 10/125:30 a.m. -
2 stops24h 20m
Deal found 5/11C$ 1,084
Fri 25/1211:40 a.m. -
1 stop18h 01m
Fri 15/17:00 a.m. -
1 stop21h 45m
Deal found 5/11C$ 1,089
Thu 3/128:35 p.m. -
2 stops32h 05m
Mon 7/1212:50 p.m. -
2 stops25h 40m
Deal found 9/11C$ 1,091
Fri 20/117:30 a.m. -
2 stops36h 37m
Sun 22/116:00 a.m. -
2 stops19h 40m
Deal found 8/11C$ 1,092
Fri 20/1111:40 a.m. -
1 stop15h 22m
Wed 9/1210:15 a.m. -
1 stop18h 30m
Deal found 7/11C$ 1,093
Wed 11/119:00 a.m. -
2 stops14h 45m
Mon 16/119:55 a.m. -
2 stops16h 15m
Deal found 9/11C$ 1,095
Sat 21/1111:10 a.m. -
Nonstop7h 55m
Sun 13/129:55 a.m. -
2 stops16h 15m
Deal found 8/11C$ 1,102
Thu 3/1211:40 a.m. -
1 stop15h 26m
Sat 12/1212:50 p.m. -
1 stop15h 55m
Deal found 8/11C$ 1,109

Find flight deals from United Kingdom to Ottawa

Round-trip from

C$ 934

One-way from

C$ 387

Popular in

December

Cheapest in

June

Average price

C$ 1,126

Good round-trip deal

C$ 919 or less

Good one-way deal

C$ 704 or less
29/4-10/5
  • 29/4-10/5
  • 4 total stops
  • 36h 00m total
  • United Kingdom to Ottawa
12/4-31/12
  • 12/4-31/12
  • 2 total stops
  • 30h 55m total
  • United Kingdom to Ottawa
Highest demand for flights based on searches. 10% potential increase in price (C$ 172 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from United Kingdom to Ottawa.
Price to beat on a one-way flight from United Kingdom to Ottawa.

Cheapflights Fare Finder

 
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

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Mon 14/12

2:40 p.m.-2:32 p.m.

3 stops52h 52m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 615

GlasgowOttawa

GLA Glasgow Intl - YOW Ottawa

GLAYOW

Glasgow Intl

Sun 13/12

8:50 a.m.-2:32 p.m.

3 stops58h 42m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 619

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Mon 14/12

6:25 a.m.-2:32 p.m.

3 stops37h 07m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 624

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 13/1

6:50 a.m.-1:15 p.m.

2 stops35h 25m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 646

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Thu 3/12

2:00 p.m.-11:40 p.m.

2 stops38h 40m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 659

LondonOttawa

LHR London Heathrow - YOW Ottawa

LHRYOW

London Heathrow

Sun 6/12

3:15 p.m.-2:32 p.m.

3 stops52h 17m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 663

GlasgowOttawa

GLA Glasgow Intl - YOW Ottawa

GLAYOW

Glasgow Intl

Mon 7/12

7:50 a.m.-7:17 p.m.

3 stops40h 27m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 680

ManchesterOttawa

MAN Manchester - YOW Ottawa

MANYOW

Manchester

Mon 15/2

6:05 p.m.-11:40 p.m.

3 stops34h 35m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 687

LondonOttawa

STN London Stansted - YOW Ottawa

STNYOW

London Stansted

Wed 10/3

8:30 a.m.-2:32 p.m.

3 stops35h 02m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 687

LondonOttawa

LHR London Heathrow - YOW Ottawa

LHRYOW

London Heathrow

Mon 14/12

9:55 a.m.-2:32 p.m.

3 stops33h 37m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 700

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip price

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, June is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 855). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 1,307). 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?

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 11% of weekly flights between United Kingdom and Ottawa have experienced delays in the past year, with the average delay time being 192 minutes.

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

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

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

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday 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 74 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

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.

Food

6.7

Overall

7.7

Boarding

7.9

Comfort

7.3

Entertainment

7.0

Crew

8.5

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.

Food

6.7

Overall

7.7

Boarding

7.9

Comfort

7.3

Entertainment

7.0

Crew

8.5

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.

Food

6.7

Overall

7.7

Boarding

7.9

Comfort

7.3

Entertainment

7.0

Crew

8.5

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.

Food

6.7

Overall

7.7

Boarding

7.9

Comfort

7.3

Entertainment

7.0

Crew

8.5

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

  • 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. Air Transat provides one of the quickest options available for as low as C$ 1,237. 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$ 356 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Virgin Atlantic and Lufthansa, with prices starting from C$ 498 and C$ 824, respectively.

  • What are the most popular routes 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: Air Canada (79%), Austrian Airlines (79%), SriLankan Airlines( 79%).

  • 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$ 1,302, our data indicates the cheapest price to be C$ 1,088. The most popular route (London Heathrow - Ottawa), is priced around C$ 1,081.

  • 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, June is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 855). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 1,307). 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
Prescott
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to Ottawa

Top 2 airlines flying from United Kingdom to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 714AverageC$ 943FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 788AverageC$ 1,017FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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