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Cheap flights from Ottawa to the United Kingdom from C$ 358

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LHR
8 Jul — 15 Jul1
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 3 July 2025.

Round-trip from

C$ 686

One-way from

C$ 358

Popular in

December

Cheapest in

February

Average price

C$ 1,089

Good round-trip deal

C$ 1,058 or less

Good one-way deal

C$ 1,068 or less
Air Transat
  • Air Transat
  • 10/9-24/9
  • 2 total stops
  • 45h 46m total
  • Ottawa to United Kingdom
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2/8
  • 2/8
  • 1 total stop
  • 16h 50m total
  • Ottawa to United Kingdom
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 3 July 2025.

Wed 10/98:35 a.m.YOW - GLA
1 stop17h 15mAir Transat
Wed 24/98:35 a.m.GLA - YOW
1 stop28h 31mAir Transat
Deal found 1/7C$ 686
Tue 2/98:35 a.m.YOW - GLA
1 stop17h 15mPorter Airlines
Tue 9/98:35 a.m.GLA - YOW
1 stop28h 31mPorter Airlines
Deal found 1/7C$ 703
Sun 21/95:55 a.m.YOW - EDI
1 stop23h 10mWestJet
Thu 2/1011:30 a.m.EDI - YOW
1 stop17h 52mWestJet
Deal found 2/7C$ 880
Sun 21/95:55 a.m.YOW - EDI
1 stop23h 10mMultiple Airlines
Thu 2/106:00 a.m.EDI - YOW
2 stops13h 50mMultiple Airlines
Deal found 2/7C$ 913
Fri 26/95:55 a.m.YOW - LGW
1 stop23h 50mMultiple Airlines
Sun 5/1011:35 a.m.LGW - YOW
2 stops17h 47mMultiple Airlines
Deal found 2/7C$ 955
Thu 2/105:15 a.m.YOW - LHR
2 stops20h 40mUnited Airlines
Sat 11/108:30 a.m.LHR - YOW
1 stop34h 34mUnited Airlines
Deal found 2/7C$ 955
Tue 1/77:40 p.m.YOW - EDI
2 stops56h 25mAir Canada
Tue 8/711:15 a.m.EDI - YOW
1 stop28h 04mAir Canada
Deal found 1/7C$ 959
Mon 11/82:20 p.m.YOW - LGW
1 stop15h 25mPorter Airlines
Mon 25/89:40 a.m.LGW - YOW
1 stop15h 56mPorter Airlines
Deal found 1/7C$ 970
Fri 10/105:15 p.m.YOW - LHR
1 stop9h 45mAir France
Fri 24/109:00 a.m.LHR - YOW
1 stop11h 05mAir France
Deal found 1/7C$ 1,000
Thu 4/98:35 a.m.YOW - LGW
1 stop21h 10mAir Transat
Thu 11/910:00 a.m.LGW - YOW
1 stop12h 21mAir Transat
Deal found 2/7C$ 1,002
Mon 11/86:55 p.m.YOW - LHR
Nonstop6h 35mAir Canada
Mon 25/812:40 p.m.LHR - YOW
1 stop15h 28mAir Canada
Deal found 3/7C$ 1,021
Mon 21/76:55 p.m.YOW - LHR
Nonstop6h 35mMultiple Airlines
Thu 14/88:40 a.m.LHR - YOW
2 stops19h 28mMultiple Airlines
Deal found 1/7C$ 1,023

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 3 July 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

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Wed 10/9

8:35 a.m.-6:50 a.m.

1 stop17h 15m

Glasgow Intl

Wed 24/9

8:35 a.m.-8:06 a.m.

1 stop28h 31m

C$ 686

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 2/9

8:35 a.m.-6:50 a.m.

1 stop17h 15m

Glasgow Intl

Tue 9/9

8:35 a.m.-8:06 a.m.

1 stop28h 31m

C$ 703

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 21/9

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

1 stop23h 10m

Edinburgh Turnhouse

Thu 2/10

11:30 a.m.-12:22 a.m.

1 stop17h 52m

C$ 880

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 21/9

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

1 stop23h 10m

Edinburgh Turnhouse

Thu 2/10

6:00 a.m.-2:50 p.m.

2 stops13h 50m

C$ 913

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 2/10

5:15 a.m.-6:55 a.m.

2 stops20h 40m

London Heathrow

Thu 16/10

8:00 a.m.-4:43 p.m.

1 stop13h 43m

C$ 955

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 26/9

5:55 a.m.-10:45 a.m.

1 stop23h 50m

London Gatwick

Sun 5/10

11:35 a.m.-12:22 a.m.

2 stops17h 47m

C$ 955

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Tue 15/7

1:55 p.m.-7:20 a.m.

1 stop12h 25m

Edinburgh Turnhouse

Tue 22/7

11:15 a.m.-8:15 p.m.

1 stop14h 00m

C$ 964

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 11/8

11:20 a.m.-10:45 a.m.

1 stop18h 25m

London Gatwick

Mon 25/8

9:40 a.m.-8:36 p.m.

1 stop15h 56m

C$ 970

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 10/10

5:15 p.m.-8:00 a.m.

1 stop9h 45m

London Heathrow

Fri 24/10

9:00 a.m.-3:05 p.m.

1 stop11h 05m

C$ 1,000

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 4/9

8:35 a.m.-10:45 a.m.

1 stop21h 10m

London Gatwick

Thu 11/9

10:00 a.m.-5:21 p.m.

1 stop12h 21m

C$ 1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 56 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$ 857). 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 3 July 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 3 July 2025.
Read reviews from past customers who have flown Porter Airlines,KLM, andAir Transat 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
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
298 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
KLM
7.8
Good
1,367 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
407 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Austrian Airlines
7.6
Good
809 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air France
7.5
Good
1,465 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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.

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

    One-way options have recently been found by users for as low as C$ 384 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 469 and Porter Airlines from C$ 476 one-way.

  • 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 (77%), Aegean Airlines (77%) or Austrian Airlines (77%) 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$ 1,972, our data indicates the cheapest price to be C$ 966. The most popular route (Ottawa - London Heathrow), is priced around C$ 895.

  • 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$ 857). 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

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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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 703AverageC$ 1,087FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 713AverageC$ 1,098FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Virgin AtlanticCheapestC$ 722AverageC$ 1,319FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapestC$ 722AverageC$ 1,295FlexibilityNo cancel feeOn-time77%
Search Air France flights
WestJetCheapestC$ 759AverageC$ 1,158FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 818AverageC$ 1,332FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapestC$ 887AverageC$ 1,183FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 893AverageC$ 1,233FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 944AverageC$ 1,168FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapestC$ 955AverageC$ 1,113FlexibilityNo 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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