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Cheap flights from Ottawa to the United Kingdom from C$ 336

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LHR
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 670

One-way from

C$ 336

Popular in

December

Cheapest in

February

Average price

C$ 1,073

Good round-trip deal

C$ 1,021 or less

Good one-way deal

C$ 1,024 or less
Porter Airlines
  • Porter Airlines
  • 12/9-20/9
  • 2 total stops
  • 27h 56m total
  • Ottawa to United Kingdom
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16/7
  • 16/7
  • 1 total stop
  • 14h 20m 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$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Ottawa to United Kingdom.
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Price to beat on a one-way flight from Ottawa to United Kingdom.
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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 12 June 2025.

Fri 12/92:20 p.m.YOW - GLA
1 stop11h 30mPorter Airlines
Sat 20/98:35 a.m.GLA - YOW
1 stop16h 26mPorter Airlines
Deal found 11/6C$ 670
Fri 26/92:20 p.m.YOW - GLA
1 stop11h 30mAir Transat
Sat 4/108:35 a.m.GLA - YOW
1 stop16h 26mAir Transat
Deal found 11/6C$ 682
Thu 3/76:30 p.m.YOW - EDI
1 stop9h 35mAir Canada
Fri 18/711:15 a.m.EDI - YOW
1 stop12h 50mAir Canada
Deal found 11/6C$ 906
Sat 11/1011:55 a.m.YOW - LHR
2 stops14h 20mUnited Airlines
Sat 18/1011:05 a.m.LHR - YOW
2 stops15h 04mUnited Airlines
Deal found 10/6C$ 927
Wed 10/95:55 a.m.YOW - LGW
2 stops22h 55mMultiple Airlines
Wed 17/99:40 a.m.LGW - YOW
1 stop19h 42mMultiple Airlines
Deal found 9/6C$ 931
Tue 5/85:05 p.m.YOW - STN
2 stops16h 55mMultiple Airlines
Thu 14/86:55 a.m.STN - YOW
2 stops15h 50mMultiple Airlines
Deal found 11/6C$ 941
Mon 8/92:10 p.m.YOW - EDI
1 stop12h 55mMultiple Airlines
Tue 16/911:30 a.m.EDI - YOW
1 stop17h 52mMultiple Airlines
Deal found 11/6C$ 969
Thu 25/91:55 p.m.YOW - LHR
2 stops14h 10mAer Lingus
Thu 2/109:50 a.m.LHR - YOW
2 stops16h 19mAer Lingus
Deal found 10/6C$ 979
Thu 11/95:55 a.m.YOW - EDI
2 stops21h 10mWestJet
Mon 15/911:30 a.m.EDI - YOW
1 stop17h 52mWestJet
Deal found 11/6C$ 991
Thu 19/62:20 p.m.YOW - LGW
1 stop12h 35mPorter Airlines
Wed 2/712:40 p.m.LGW - YOW
1 stop13h 31mPorter Airlines
Deal found 11/6C$ 998
Mon 4/82:25 p.m.YOW - LHR
2 stops25h 35mAir Canada
Mon 11/812:40 p.m.LHR - YOW
1 stop15h 28mAir Canada
Deal found 10/6C$ 999
Mon 21/76:30 p.m.YOW - LHR
1 stop31h 00mMultiple Airlines
Thu 14/86:00 a.m.LHR - YOW
2 stops22h 08mMultiple Airlines
Deal found 11/6C$ 1,001

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 12 June 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

Fri 12/9

2:20 p.m.-6:50 a.m.

1 stop11h 30m

Glasgow Intl

Sat 20/9

8:35 a.m.-8:01 p.m.

1 stop16h 26m

C$ 670

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 26/9

2:20 p.m.-6:50 a.m.

1 stop11h 30m

Glasgow Intl

Sat 4/10

8:35 a.m.-8:01 p.m.

1 stop16h 26m

C$ 682

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Thu 3/7

6:30 p.m.-9:05 a.m.

1 stop9h 35m

Edinburgh Turnhouse

Fri 18/7

11:15 a.m.-7:05 p.m.

1 stop12h 50m

C$ 906

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 11/10

11:55 a.m.-7:15 a.m.

2 stops14h 20m

London Heathrow

Sat 18/10

11:05 a.m.-9:09 p.m.

2 stops15h 04m

C$ 927

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 10/9

5:55 a.m.-9:50 a.m.

2 stops22h 55m

London Gatwick

Wed 17/9

9:40 a.m.-12:22 a.m.

1 stop19h 42m

C$ 931

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 5/8

5:05 p.m.-3:00 p.m.

2 stops16h 55m

London Stansted

Thu 14/8

6:55 a.m.-5:45 p.m.

2 stops15h 50m

C$ 941

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Mon 8/9

2:10 p.m.-8:05 a.m.

1 stop12h 55m

Edinburgh Turnhouse

Tue 16/9

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

1 stop17h 52m

C$ 969

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 26/9

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

1 stop9h 45m

London Heathrow

Sun 12/10

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

1 stop11h 05m

C$ 976

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 25/9

1:55 p.m.-9:05 a.m.

2 stops14h 10m

London Heathrow

Thu 2/10

9:50 a.m.-9:09 p.m.

2 stops16h 19m

C$ 979

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Thu 11/9

5:55 a.m.-8:05 a.m.

2 stops21h 10m

Edinburgh Turnhouse

Mon 15/9

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

1 stop17h 52m

C$ 991

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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$ 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 12 June 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.

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 12 June 2025.
Get a feel of what it's like to fly with Porter Airlines, KLM and Air Transat from Ottawa to United Kingdom by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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
1,358 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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
396 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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
802 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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
1,463 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.7

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$ 355 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 488 and Lufthansa from C$ 499 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 (83%), Aegean Airlines (83%) or Austrian Airlines (83%) 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$ 1,934, our data indicates the cheapest price to be C$ 489. The most popular route (Ottawa - London Heathrow), is priced around C$ 882.

  • 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 713AverageC$ 1,146FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Virgin AtlanticCheapestC$ 725AverageC$ 1,323FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapestC$ 725AverageC$ 1,294FlexibilityNo cancel feeOn-time77%
Search Air France flights
WestJetCheapestC$ 761AverageC$ 1,162FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 787AverageC$ 1,116FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 890AverageC$ 1,248FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 896AverageC$ 1,227FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 939AverageC$ 1,171FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapestC$ 958AverageC$ 1,117FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapestC$ 1,282AverageC$ 1,456FlexibilityNo cancel feeOn-time75%
Search KLM 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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