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$ 442 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 560 and Lufthansa from C$ 595 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 cheapest flights from Ottawa to United Kingdom?

Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,556, our data indicates the cheapest price to be C$ 823. The most popular route (Ottawa - London Heathrow), is priced around C$ 883.

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 (89%), Aegean Airlines (89%) or Austrian Airlines (89%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Ottawa to United Kingdom?

Before booking your flight from Ottawa to United Kingdom check out the most popular airlines for this route: Air Canada, Air France or Lufthansa.

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

Find a great deal and save up to 16% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to United Kingdom within the next two weeks, with the cheapest ticket starting at C$ 952.

What is the cheapest month to fly from Ottawa to United Kingdom?

February is one of the best times of the year to fly to United Kingdom from Ottawa. Prices for February average C$ 1,058 per person but you can even find prices for as low as C$ 797. The most expensive prices can be found in the month of December. Opting for a February flight can save you 23% on your journey compared to booking in December

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.

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.

C$ 911+ Flights from Ottawa to the United Kingdom

Cheap flight deals from Ottawa to United Kingdom

Round-trip from	C$ 848
One-way from	C$ 371
Popular in	December
Cheapest in	February
Average price	C$ 991
Good round-trip deal	C$ 997 or less
Good one-way deal	C$ 863 or less

12/6-19/6
2 total stops
40h 42m total
Ottawa to United Kingdom

Search Deals

18/6
2 total stops
33h 05m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 85 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 April 2025

Search Deals

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 29 April 2025.

Thu 12/65:55 a.m.YOW - GLA

1 stop19h 55mMultiple Airlines

Thu 19/68:35 a.m.GLA - YOW

1 stop20h 47mMultiple Airlines

Deal found 28/4C$ 848

Thu 12/62:10 p.m.YOW - EDI

1 stop12h 55mMultiple Airlines

Thu 19/611:30 a.m.EDI - YOW

1 stop17h 52mMultiple Airlines

Deal found 28/4C$ 851

Thu 12/65:55 a.m.YOW - EDI

2 stops21h 10mWestJet

Thu 19/611:30 a.m.EDI - YOW

1 stop17h 52mWestJet

Deal found 28/4C$ 894

Tue 3/62:40 p.m.YOW - LHR

1 stop11h 15mUnited Airlines

Tue 10/67:45 a.m.LHR - YOW

2 stops13h 58mUnited Airlines

Deal found 28/4C$ 894

Mon 23/64:40 p.m.YOW - LGW

1 stop13h 05mPorter Airlines

Sun 6/79:40 a.m.LGW - YOW

1 stop19h 41mPorter Airlines

Deal found 28/4C$ 897

Wed 28/55:55 a.m.YOW - LGW

1 stop23h 50mMultiple Airlines

Wed 11/611:35 a.m.LGW - YOW

2 stops17h 47mMultiple Airlines

Deal found 28/4C$ 899

Sun 15/64:40 p.m.YOW - LGW

1 stop13h 05mAir Transat

Sat 28/69:40 a.m.LGW - YOW

1 stop16h 21mAir Transat

Deal found 28/4C$ 902

Thu 6/115:20 p.m.YOW - LHR

1 stop18h 15mVirgin Atlantic

Sun 16/116:20 a.m.LHR - YOW

1 stop13h 50mVirgin Atlantic

Deal found 28/4C$ 902

Thu 5/65:55 a.m.YOW - MAN

2 stops33h 30mMultiple Airlines

Sat 21/66:00 p.m.MAN - YOW

2 stops35h 22mMultiple Airlines

Deal found 28/4C$ 963

Fri 16/58:55 p.m.YOW - LHR

1 stop28h 35mMultiple Airlines

Sat 31/54:40 p.m.LHR - YOW

1 stop26h 47mMultiple Airlines

Deal found 28/4C$ 977

Thu 8/57:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Wed 14/59:30 a.m.LHR - YOW

1 stop17h 37mAir Canada

Deal found 28/4C$ 999

Fri 13/62:10 p.m.YOW - STN

2 stops26h 10mMultiple Airlines

Mon 23/68:30 a.m.STN - YOW

2 stops20h 52mMultiple Airlines

Deal found 28/4C$ 1,012

Best flights from Ottawa to United Kingdom
Discover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.

Thu 12/65:55 a.m.YOW - GLA

1 stop19h 55mMultiple Airlines

Thu 19/68:35 a.m.GLA - YOW

1 stop20h 47mMultiple Airlines

Deal found 28/4C$ 848

Thu 12/65:55 a.m.YOW - EDI

2 stops21h 10mWestJet

Thu 19/611:30 a.m.EDI - YOW

1 stop17h 52mWestJet

Deal found 28/4C$ 894

Tue 3/62:40 p.m.YOW - LHR

1 stop11h 15mUnited Airlines

Tue 10/67:45 a.m.LHR - YOW

2 stops13h 58mUnited Airlines

Deal found 28/4C$ 894

Mon 23/611:20 a.m.YOW - LGW

1 stop15h 35mPorter Airlines

Thu 3/712:40 p.m.LGW - YOW

1 stop13h 31mPorter Airlines

Deal found 28/4C$ 897

Sun 15/64:40 p.m.YOW - LGW

1 stop13h 05mAir Transat

Sat 28/69:40 a.m.LGW - YOW

1 stop16h 21mAir Transat

Deal found 28/4C$ 902

Thu 8/57:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Wed 14/59:30 a.m.LHR - YOW

1 stop17h 37mAir Canada

Deal found 28/4C$ 999

Fri 20/68:55 p.m.YOW - LHR

1 stop28h 35mLufthansa

Thu 3/711:30 a.m.LHR - YOW

2 stops15h 35mLufthansa

Deal found 28/4C$ 1,028

Thu 8/56:40 p.m.YOW - LHR

2 stops14h 00mSWISS

Wed 14/57:00 a.m.LHR - YOW

2 stops18h 17mSWISS

Deal found 28/4C$ 1,041

Fri 13/67:55 p.m.YOW - LHR

2 stops55h 25mAustrian Airlines

Mon 23/66:00 a.m.LHR - YOW

2 stops16h 05mAustrian Airlines

Deal found 28/4C$ 1,073

Mon 12/54:05 p.m.YOW - LHR

2 stops13h 10mBrussels Airlines

Thu 22/56:50 a.m.LHR - YOW

2 stops12h 00mBrussels Airlines

Deal found 28/4C$ 1,129

Tue 3/61:55 p.m.YOW - LHR

2 stops14h 10mAer Lingus

Tue 10/69:50 a.m.LHR - YOW

2 stops16h 19mAer Lingus

Deal found 28/4C$ 1,193

Mon 1/95:15 p.m.YOW - LHR

1 stop18h 20mAir France

Mon 22/93:20 p.m.LHR - YOW

2 stops14h 02mAir France

Deal found 28/4C$ 1,247

Direct flights from Ottawa to United Kingdom
Explore direct flight options from Ottawa to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 April 2025.

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Wed 14/512:40 p.m.LHR - YOW

Nonstop7h 30mAir Canada

Deal found 28/4C$ 1,006

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mMultiple Airlines

Wed 14/512:40 p.m.LHR - YOW

Nonstop7h 30mMultiple Airlines

Deal found 26/4C$ 1,012

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Wed 14/512:40 p.m.LHR - YOW

Nonstop7h 30mLufthansa

Deal found 28/4C$ 1,037

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 29 April 2025 and is based on user searches.

Mon 5/56:15 p.m.YOW - LHR

1 stop12h 10mUnited Airlines

Mon 12/512:15 p.m.LHR - YOW

1 stop26h 43mUnited Airlines

Deal found 28/4C$ 909

Mon 5/57:00 a.m.YOW - LGW

1 stop22h 45mAir Transat

Mon 12/512:40 p.m.LGW - YOW

1 stop16h 41mAir Transat

Deal found 27/4C$ 994

Tue 6/54:40 p.m.YOW - LGW

1 stop13h 05mPorter Airlines

Tue 13/512:40 p.m.LGW - YOW

1 stop13h 21mPorter Airlines

Deal found 28/4C$ 991

Tue 6/57:55 p.m.YOW - LHR

1 stop29h 40mAustrian Airlines

Thu 18/910:25 a.m.LHR - YOW

2 stops35h 39mAustrian Airlines

Deal found 27/4C$ 1,034

Tue 6/53:55 p.m.YOW - LHR

1 stop9h 40mLufthansa

Wed 17/96:55 a.m.LHR - YOW

2 stops19h 14mLufthansa

Deal found 28/4C$ 1,035

Tue 6/53:55 p.m.YOW - LGW

2 stops20h 55mSWISS

Sat 13/96:40 p.m.LGW - YOW

2 stops33h 24mSWISS

Deal found 28/4C$ 1,042

Tue 6/59:35 a.m.YOW - LGW

3 stops24h 05mMultiple Airlines

Tue 13/57:00 p.m.LGW - YOW

2 stops34h 22mMultiple Airlines

Deal found 28/4C$ 1,053

Tue 6/51:55 p.m.YOW - LHR

2 stops26h 45mAustrian Airlines

Fri 19/96:00 a.m.LHR - YOW

2 stops16h 04mAustrian Airlines

Deal found 27/4C$ 1,073

Thu 8/57:00 a.m.YOW - LHR

1 stop9h 00mMultiple Airlines

Wed 14/56:00 a.m.LHR - YOW

2 stops16h 04mMultiple Airlines

Deal found 28/4C$ 989

Thu 8/57:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Wed 14/59:30 a.m.LHR - YOW

1 stop17h 37mAir Canada

Deal found 28/4C$ 999

Thu 8/56:30 a.m.YOW - MAN

3 stops35h 50mMultiple Airlines

Wed 14/510:15 p.m.MAN - YOW

2 stops31h 07mMultiple Airlines

Deal found 27/4C$ 1,037

Thu 8/56:40 p.m.YOW - LHR

2 stops14h 00mSWISS

Wed 14/57:00 a.m.LHR - YOW

2 stops18h 17mSWISS

Deal found 28/4C$ 1,041

One-way flights from Ottawa to United Kingdom
Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Wed 18/65:55 a.m.YOW - STN

2 stops33h 05mMultiple Airlines

Deal found 28/4C$ 371

Mon 16/65:55 a.m.YOW - LTN

2 stops30h 00mMultiple Airlines

Deal found 28/4C$ 374

Mon 16/65:55 a.m.YOW - LGW

2 stops44h 40mMultiple Airlines

Deal found 28/4C$ 382

Mon 23/68:20 a.m.YOW - EDI

1 stop18h 45mMultiple Airlines

Deal found 28/4C$ 412

Mon 16/65:55 a.m.YOW - LHR

2 stops34h 55mMultiple Airlines

Deal found 28/4C$ 432

Wed 4/65:55 a.m.YOW - LGW

2 stops22h 30mWestJet

Deal found 28/4C$ 442

Mon 23/65:55 a.m.YOW - EDI

2 stops21h 10mWestJet

Deal found 28/4C$ 464

Mon 16/65:55 a.m.YOW - LCY

2 stops31h 35mMultiple Airlines

Deal found 28/4C$ 471

Thu 12/68:30 p.m.YOW - MAN

2 stops36h 20mMultiple Airlines

Deal found 27/4C$ 479

Thu 16/1012:25 p.m.YOW - SOU

3 stops25h 30mMultiple Airlines

Deal found 28/4C$ 560

Fri 15/86:00 a.m.YOW - LHR

1 stop23h 00mAir Canada

Deal found 28/4C$ 560

Fri 4/71:55 p.m.YOW - LHR

1 stop11h 40mLufthansa

Deal found 28/4C$ 595

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Thu 12/6

5:55 a.m.-6:50 a.m.

1 stop19h 55m

Glasgow Intl

Thu 19/6

8:35 a.m.-12:22 a.m.

1 stop20h 47m

C$ 848

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 3/6

2:40 p.m.-6:55 a.m.

1 stop11h 15m

London Heathrow

Tue 10/6

7:45 a.m.-4:43 p.m.

2 stops13h 58m

C$ 894

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Thu 12/6

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

1 stop12h 55m

Edinburgh Turnhouse

Fri 27/6

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

1 stop17h 52m

C$ 895

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 23/6

4:40 p.m.-10:45 a.m.

1 stop13h 05m

London Gatwick

Sun 6/7

9:40 a.m.-12:21 a.m.

1 stop19h 41m

C$ 897

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 28/5

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

1 stop23h 50m

London Gatwick

Wed 11/6

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

2 stops17h 47m

C$ 899

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 15/6

4:40 p.m.-10:45 a.m.

1 stop13h 05m

London Gatwick

Sat 28/6

9:40 a.m.-9:01 p.m.

1 stop16h 21m

C$ 902

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 1/6

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

1 stop23h 10m

Edinburgh Turnhouse

Sun 15/6

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

1 stop17h 52m

C$ 933

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Thu 5/6

5:55 a.m.-8:25 p.m.

2 stops33h 30m

Manchester

Sat 21/6

6:00 p.m.-12:22 a.m.

2 stops35h 22m

C$ 963

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/5

8:55 p.m.-6:30 a.m.

1 stop28h 35m

London Heathrow

Sat 31/5

4:40 p.m.-2:27 p.m.

1 stop26h 47m

C$ 977

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 13/6

2:10 p.m.-9:20 p.m.

2 stops26h 10m

London Stansted

Mon 23/6

8:30 a.m.-12:22 a.m.

2 stops20h 52m

C$ 1,012

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 results

...

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$ 870). 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?

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

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

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 a feel of what it's like to fly with Delta, Porter Airlines and KLM 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.

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

8.0

Very good

285 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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$ 442 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 560 and Lufthansa from C$ 595 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 (89%), Aegean Airlines (89%) or Austrian Airlines (89%) 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$ 1,556, our data indicates the cheapest price to be C$ 823. The most popular route (Ottawa - London Heathrow), is priced around C$ 883.
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$ 870). 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

Top 9 airlines flying from Ottawa to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	CheapestC$ 734	AverageC$ 1,237	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air France	CheapestC$ 735	AverageC$ 1,279	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	CheapestC$ 798	AverageC$ 1,128	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 901	AverageC$ 1,124	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 909	AverageC$ 1,265	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 952	AverageC$ 1,186	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	CheapestC$ 971	AverageC$ 1,132	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	CheapestC$ 1,060	AverageC$ 1,421	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	CheapestC$ 1,300	AverageC$ 1,472	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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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Cheap flights from Ottawa to the United Kingdom from C$ 371

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.

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 29 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ottawa to United Kingdom

Cheapest flights from Ottawa to United KingdomExplore 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 29 April 2025.

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 29 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

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.

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?

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 29 April 2025.

Rainfall in United Kingdom by month

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

Temperature in United Kingdom by month

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

Reviews of airlines servicing United Kingdom

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?

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

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

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

What are the cheapest flights from Ottawa to United Kingdom?

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

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

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

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

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Alternative routes for Ottawa to United Kingdom

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Top 9 airlines flying from Ottawa to United Kingdom

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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 29 April 2025.