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Cheap flights from Ottawa to the United Kingdom from C$ 351

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LHR
23 Aug — 30 Aug1
1 adult

Cheap flight deals from Ottawa to United Kingdom

Keep the following information in mind while searching for Ottawa to United Kingdom flight deals. Data was last updated 18 August 2025.

Round-trip from

C$ 888

One-way from

C$ 374

Popular in

December

Cheapest in

February

Average price

C$ 1,075

Good round-trip deal

C$ 1,097 or less

Good one-way deal

C$ 1,012 or less
13/10-19/10
  • 13/10-19/10
  • 3 total stops
  • 57h 20m total
  • Ottawa to United Kingdom
Search Deals
26/10
  • 26/10
  • 2 total stops
  • 38h 10m total
  • Ottawa to United Kingdom
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Ottawa to United Kingdom.
Search Deals
Price to beat on a one-way flight from Ottawa to United Kingdom.
Search Deals

Find flight deals from Ottawa to United Kingdom

Cheapest flights from Ottawa to United Kingdom
Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Mon 13/105:55 a.m.YOW - EDI
1 stop23h 10mMultiple Airlines
Sun 19/107:50 a.m.EDI - YOW
2 stops34h 10mMultiple Airlines
Deal found 15/8C$ 888
Sat 6/99:05 a.m.YOW - EDI
1 stop19h 00mAir Canada
Fri 19/99:00 a.m.EDI - YOW
1 stop11h 04mAir Canada
Deal found 17/8C$ 935
Mon 13/1010:45 a.m.YOW - GLA
1 stop15h 05mAir Transat
Tue 21/108:35 a.m.GLA - YOW
1 stop13h 46mAir Transat
Deal found 15/8C$ 938
Sat 11/105:55 a.m.YOW - EDI
1 stop23h 10mMultiple Airlines
Sun 19/107:50 a.m.EDI - YOW
2 stops21h 50mMultiple Airlines
Deal found 15/8C$ 951
Mon 13/105:55 a.m.YOW - EDI
1 stop23h 10mMultiple Airlines
Mon 20/106:05 p.m.EDI - YOW
2 stops28h 40mMultiple Airlines
Deal found 15/8C$ 970
Fri 10/109:55 p.m.YOW - EDI
1 stop28h 25mAir Canada
Tue 21/109:00 a.m.EDI - YOW
1 stop11h 04mAir Canada
Deal found 15/8C$ 971
Fri 10/107:50 a.m.YOW - EDI
1 stop21h 15mMultiple Airlines
Sun 19/107:50 a.m.EDI - YOW
2 stops34h 10mMultiple Airlines
Deal found 15/8C$ 973
Tue 16/96:10 p.m.YOW - EDI
2 stops32h 10mMultiple Airlines
Tue 23/99:00 a.m.EDI - YOW
1 stop11h 04mMultiple Airlines
Deal found 17/8C$ 978
Fri 5/98:00 a.m.YOW - LGW
2 stops20h 25mMultiple Airlines
Fri 12/92:00 p.m.LGW - YOW
1 stop31h 57mMultiple Airlines
Deal found 18/8C$ 982
Wed 10/95:55 a.m.YOW - LGW
2 stops22h 30mMultiple Airlines
Fri 26/910:45 a.m.LGW - YOW
1 stop33h 01mMultiple Airlines
Deal found 17/8C$ 984
Sat 27/94:25 p.m.YOW - LGW
1 stop36h 45mMultiple Airlines
Sat 11/1010:45 a.m.LGW - YOW
1 stop33h 01mMultiple Airlines
Deal found 17/8C$ 989
Sun 28/128:05 p.m.YOW - LHR
1 stop30h 05mAir Canada
Fri 16/19:00 a.m.LHR - YOW
1 stop10h 21mAir Canada
Deal found 15/8C$ 989

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to United Kingdom 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 August 2025.
Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Fly from

Ottawa

Fly to

United Kingdom

Route

Depart

Return

Price

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Mon 13/10

5:55 a.m.-10:05 a.m.

1 stop23h 10m

Edinburgh Turnhouse

Sun 19/10

7:50 a.m.-1:00 p.m.

2 stops34h 10m

C$ 888

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sat 6/9

9:05 a.m.-9:05 a.m.

1 stop19h 00m

Edinburgh Turnhouse

Fri 19/9

9:00 a.m.-3:04 p.m.

1 stop11h 04m

C$ 935

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Mon 13/10

10:45 a.m.-6:50 a.m.

1 stop15h 05m

Glasgow Intl

Tue 21/10

8:35 a.m.-5:21 p.m.

1 stop13h 46m

C$ 938

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sat 11/10

5:55 a.m.-10:05 a.m.

1 stop23h 10m

Edinburgh Turnhouse

Sun 19/10

7:50 a.m.-12:40 a.m.

2 stops21h 50m

C$ 951

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Wed 8/10

7:50 a.m.-10:05 a.m.

1 stop21h 15m

Edinburgh Turnhouse

Sun 19/10

7:50 a.m.-1:00 p.m.

2 stops34h 10m

C$ 964

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Mon 13/10

5:55 a.m.-10:05 a.m.

1 stop23h 10m

Edinburgh Turnhouse

Mon 20/10

6:05 p.m.-5:45 p.m.

2 stops28h 40m

C$ 970

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sat 11/10

3:55 p.m.-7:20 a.m.

1 stop10h 25m

Edinburgh Turnhouse

Tue 21/10

9:00 a.m.-3:04 p.m.

1 stop11h 04m

C$ 971

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Tue 14/10

9:55 p.m.-7:20 a.m.

1 stop28h 25m

Edinburgh Turnhouse

Mon 20/10

9:00 a.m.-3:04 p.m.

1 stop11h 04m

C$ 971

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 12/10

3:55 p.m.-7:20 a.m.

1 stop10h 25m

Edinburgh Turnhouse

Tue 21/10

9:00 a.m.-3:04 p.m.

1 stop11h 04m

C$ 971

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Mon 13/10

3:55 p.m.-7:20 a.m.

1 stop10h 25m

Edinburgh Turnhouse

Mon 20/10

9:00 a.m.-3:04 p.m.

1 stop11h 04m

C$ 971

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 60 results
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Best time to book a flight from Ottawa to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to the United Kingdom

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 560). Flying from Ottawa to United Kingdom in July is currently the most expensive (average of C$ 856). 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 GB?

Find hourly flight availability from Ottawa to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2025.

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

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 18 August 2025.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andAir France from Ottawa to the United Kingdom. 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.
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
334 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
429 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air France
7.4
Good
1,468 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,992 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Lufthansa
6.8
Okay
7,330 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

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

    If you book a flight to United Kingdom from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

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

    Airlines like Air Canada, Air Transat, and Porter Airlines fly from Ottawa to United Kingdom in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 7h 30m. There are 4925 km between Ottawa and United Kingdom. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • What are the most reliable airlines from Ottawa to United Kingdom?

    No one likes to see their flight delayed. When booking a flight from Ottawa to United Kingdom consider choosing Air Canada (82%), Aegean Airlines (82%) or Austrian Airlines (82%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,107, our data indicates the cheapest price to be C$ 473. The most popular route (Ottawa - London Heathrow), is priced around C$ 823.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 560). Flying from Ottawa to United Kingdom in July is currently the most expensive (average of C$ 856). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ottawa to United Kingdom

Discover the top 10 airlines that operate flights from Ottawa to United Kingdom. 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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 712AverageC$ 1,182FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 719AverageC$ 1,115FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Virgin AtlanticCheapestC$ 732AverageC$ 1,335FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapestC$ 732AverageC$ 1,300FlexibilityNo cancel feeOn-time77%
Search Air France flights
WestJetCheapestC$ 769AverageC$ 1,174FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 830AverageC$ 1,350FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapestC$ 891AverageC$ 1,189FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 905AverageC$ 1,238FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 957AverageC$ 1,186FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapestC$ 969AverageC$ 1,128FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 United Kingdom?

Cheapflights makes it easy to find Ottawa to United Kingdom flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to United Kingdom from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to United Kingdom, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Ottawa to United Kingdom 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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