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Cheap flights from Ottawa (YOW) to Heathrow (LHR) from $422

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LHR
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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The best prices from Ottawa to London Heathrow are usually found in November or October, booked 31 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Ottawa to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 15, 2024.

Popular in

July

Cheapest in

November

Round-trip from

$643

One-way from

$434
High demand for flights, 18% potential price rise
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Best time to find cheap flights, 12% potential price drop
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From Ottawa to London Heathrow
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One-way flight from Ottawa to London Heathrow
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What is the cheapest day to fly round-trip from Ottawa to London Heathrow Airport?

Users have found that flying from Ottawa to London Heathrow Airport on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Ottawa to London Heathrow Airport?

To save up to 28% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to London Heathrow Airport from $739 1-2 weeks out and tickets from $1,114 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ottawa to London Heathrow Airport?

The best pricing can be found in the month of November. Prices to London Heathrow Airport from Ottawa average $804. You can even find prices in November for less than $804, as users have found deals to London Heathrow Airport from as low as $575. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from Ottawa. Flying in the targeted month can save you up to 18%.

When is the cheapest time to fly from Ottawa to London Heathrow Airport (YOW - LHR)?

Unlike at noon, when flights are generally more expensive, you can save up to 9% on flights from Ottawa to London Heathrow Airport by exploring options for tickets in the afternoon.

Cheap KLM flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by KLM for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Take a look at some of the lowest-priced KLM flights heading from Ottawa to London. Make sure to double check the flight details before booking.
Thu 6/135:00 pmYOW - LHR
2 stops12h 45mKLM
Tue 6/186:30 amLHR - YOW
2 stops13h 20mKLM
Deal found 5/13$1,632
Thu 6/275:00 pmYOW - LHR
2 stops12h 45mKLM
Sun 7/146:30 amLHR - YOW
2 stops13h 20mKLM
Deal found 5/14$2,896
Sat 6/295:00 pmYOW - LHR
2 stops15h 50mKLM
Sun 7/146:30 amLHR - YOW
2 stops13h 20mKLM
Deal found 5/14$2,897

Cheap Air Canada flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by Air Canada for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from Ottawa to London. Check back soon if you're not seeing flights that suit your needs.
Sun 9/296:20 pmYOW - LHR
1 stop21h 40mAir Canada
Sun 10/209:30 amLHR - YOW
1 stop12h 00mAir Canada
Deal found 5/14$720
Thu 6/67:00 amYOW - LHR
1 stop9h 00mAir Canada
Thu 6/139:30 amLHR - YOW
1 stop13h 10mAir Canada
Deal found 5/14$738
Mon 7/87:00 amYOW - LHR
1 stop9h 00mAir Canada
Mon 7/152:05 pmLHR - YOW
1 stop23h 36mAir Canada
Deal found 5/14$869
Sun 8/116:20 pmYOW - LHR
1 stop21h 40mAir Canada
Sun 9/812:40 pmLHR - YOW
1 stop9h 59mAir Canada
Deal found 5/14$896
Mon 7/221:25 pmYOW - LHR
1 stop12h 05mAir Canada
Mon 8/1212:40 pmLHR - YOW
1 stop12h 29mAir Canada
Deal found 5/14$906
Mon 7/227:00 amYOW - LHR
1 stop9h 00mAir Canada
Mon 8/1212:40 pmLHR - YOW
1 stop9h 59mAir Canada
Deal found 5/15$907
Thu 8/17:00 amYOW - LHR
1 stop9h 00mAir Canada
Sat 8/1712:40 pmLHR - YOW
1 stop9h 59mAir Canada
Deal found 5/14$924
Sun 7/2111:00 amYOW - LHR
1 stop14h 30mAir Canada
Mon 8/1212:40 pmLHR - YOW
1 stop9h 59mAir Canada
Deal found 5/14$933
Wed 7/241:25 pmYOW - LHR
1 stop12h 05mAir Canada
Sun 8/1112:40 pmLHR - YOW
1 stop9h 59mAir Canada
Deal found 5/15$934

Cheap Ottawa to Heathrow flights in May & June 2024

Find cheap flight options from Ottawa to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
Scroll through some of the best deals on flights from Ottawa to London in 2024. Check back soon for alternative fares.
Thu 6/67:00 amYOW - LHR
1 stop9h 00mAir Canada
Thu 6/139:30 amLHR - YOW
1 stop13h 10mAir Canada
Deal found 5/14$738
Thu 6/68:10 amYOW - LHR
2 stops18h 45mSWISS
Thu 6/136:00 amLHR - YOW
2 stops18h 17mSWISS
Deal found 5/14$808
Tue 6/41:25 pmYOW - LHR
2 stops17h 00mSWISS
Tue 6/1112:05 pmLHR - YOW
2 stops35h 57mSWISS
Deal found 5/15$829
Tue 6/184:10 pmYOW - LHR
2 stops21h 45mMultiple Airlines
Wed 6/199:10 pmLHR - YOW
3 stops29h 19mMultiple Airlines
Deal found 5/14$900
Tue 6/184:10 pmYOW - LHR
2 stops21h 45mMultiple Airlines
Wed 6/199:10 pmLHR - YOW
2 stops26h 20mMultiple Airlines
Deal found 5/14$913
Sat 5/187:10 amYOW - LHR
2 stops20h 45mMultiple Airlines
Wed 6/56:40 amLHR - YOW
2 stops23h 52mMultiple Airlines
Deal found 5/14$1,016
Sat 6/222:00 pmYOW - LHR
1 stop11h 35mLufthansa
Sat 6/299:30 amLHR - YOW
1 stop9h 26mLufthansa
Deal found 5/14$1,022
Wed 5/157:00 amYOW - LHR
1 stop9h 00mAir Canada
Tue 5/219:30 amLHR - YOW
1 stop9h 27mAir Canada
Deal found 5/14$1,081
Thu 6/612:00 pmYOW - LHR
1 stop13h 35mLufthansa
Thu 6/137:30 amLHR - YOW
2 stops21h 12mLufthansa
Deal found 5/13$1,103

Ottawa to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Scroll through some of the best deals on flights from Ottawa to London in 2024. Check back soon for alternative fares.
Sun 9/296:20 pmYOW - LHR
1 stop21h 40mAir Canada
Sun 10/209:30 amLHR - YOW
1 stop12h 00mAir Canada
Deal found 5/14$720
Sun 9/296:40 pmYOW - LHR
1 stop30h 50mLufthansa
Sun 10/207:25 amLHR - YOW
2 stops22h 08mLufthansa
Deal found 5/14$731
Sun 10/66:40 pmYOW - LHR
1 stop10h 20mLufthansa
Thu 10/1010:30 amLHR - YOW
2 stops16h 35mLufthansa
Deal found 5/14$733
Wed 10/166:40 pmYOW - LHR
1 stop10h 20mLufthansa
Mon 10/212:05 pmLHR - YOW
1 stop13h 00mLufthansa
Deal found 5/15$736
Thu 6/67:00 amYOW - LHR
1 stop9h 00mAir Canada
Thu 6/139:30 amLHR - YOW
1 stop13h 10mAir Canada
Deal found 5/14$738
Sun 10/66:40 pmYOW - LHR
1 stop10h 20mLufthansa
Thu 10/102:05 pmLHR - YOW
1 stop13h 00mLufthansa
Deal found 5/14$739
Sun 9/299:00 pmYOW - LHR
2 stops55h 20mAustrian Airlines
Sun 10/2010:00 amLHR - YOW
2 stops35h 30mAustrian Airlines
Deal found 5/14$782
Thu 6/68:10 amYOW - LHR
2 stops18h 45mSWISS
Thu 6/136:00 amLHR - YOW
2 stops18h 17mSWISS
Deal found 5/14$808
Thu 10/39:00 pmYOW - LHR
2 stops43h 40mAustrian Airlines
Fri 10/119:05 amLHR - YOW
2 stops36h 25mAustrian Airlines
Deal found 5/15$819

Ottawa to Heathrow flights leaving soon

Find last-minute flight options from Ottawa to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Have a look at some of the flights available from Ottawa to London departing last-minute. It's wise to confirm all flight details are correct before booking.
Fri 5/248:10 amYOW - LHR
2 stops27h 25mSWISS
Mon 5/276:40 pmLHR - YOW
2 stops29h 22mSWISS
Deal found 5/14$1,104
Fri 5/249:20 amYOW - LHR
2 stops28h 10mMultiple Airlines
Mon 5/276:40 amLHR - YOW
3 stops16h 37mMultiple Airlines
Deal found 5/14$1,355
Fri 5/242:00 pmYOW - LHR
3 stops18h 35mScandinavian Airlines
Mon 5/276:40 amLHR - YOW
3 stops16h 37mScandinavian Airlines
Deal found 5/14$1,761

One-way flights to Heathrow from Ottawa

Search for one-way flight options from Ottawa to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Some of the best available deals we've found on one-way flights from Ottawa to London. Users needing a return flight from Ottawa to London should utilize the search form above.
Wed 7/247:10 amYOW - LHR
3 stops23h 45mMultiple Airlines
Deal found 5/14$422
Thu 6/68:50 pmYOW - LHR
2 stops19h 45mMultiple Airlines
Deal found 5/13$434
Thu 6/68:50 pmYOW - LHR
3 stops20h 50mMultiple Airlines
Deal found 5/13$513
Sat 9/74:55 pmYOW - LHR
2 stops24h 40mMultiple Airlines
Deal found 5/15$536
Sat 9/711:05 amYOW - LHR
3 stops41h 15mMultiple Airlines
Deal found 5/15$567
Thu 6/69:05 amYOW - LHR
1 stop22h 00mMultiple Airlines
Deal found 5/13$649
Wed 7/248:50 amYOW - LHR
1 stop16h 00mMultiple Airlines
Deal found 5/14$664
Sat 9/711:05 amYOW - LHR
1 stop14h 45mMultiple Airlines
Deal found 5/15$694

Find flights from Ottawa to Heathrow within your budget

Customize your flight search to find flights from Ottawa to Heathrow 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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$720 - $1,313

Route

Depart

Return

Price

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 9/29

1 stop21h 40m

London Heathrow

Sun 10/20

1 stop12h 00m

$720

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 9/29

1 stop30h 50m

London Heathrow

Sun 10/20

2 stops22h 08m

$731

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 10/6

1 stop10h 20m

London Heathrow

Thu 10/10

2 stops16h 35m

$733

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 9/29

2 stops55h 20m

London Heathrow

Sun 10/20

2 stops35h 30m

$782

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Thu 6/6

2 stops18h 45m

London Heathrow

Thu 6/13

2 stops18h 17m

$808

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 8/11

2 stops27h 20m

London Heathrow

Sun 9/8

2 stops20h 37m

$844

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Thu 6/6

1 stop30h 15m

London Heathrow

Thu 6/13

2 stops19h 25m

$1,142

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Fri 8/16

2 stops23h 30m

London Heathrow

Mon 8/26

3 stops26h 43m

$1,241

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sat 6/29

2 stops24h 00m

London Heathrow

Sat 7/6

2 stops22h 17m

$1,313

Flights are sorted by cheapest first

Deals found on 5/14

When is the best time to book a flight from Ottawa to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Heathrow. Price data was last updated on May 10, 2024.
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Ottawa to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Heathrow. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to London Heathrow Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Ottawa to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to Heathrow is currently $560 while a round-trip flight costs $924. Price data was last updated on May 12, 2024.

Currently, November is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of $653). Flying from Ottawa to London Heathrow Airport in June is currently the most expensive (average of $1,150). 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.

January

$673

February

$662

March

$715

April

$692

May

$733

June

$1,150

July

$976

August

$775

September

$745

October

$708

November

$653

December

$672

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated May 15, 2024.
See what other customers who have flown with KLM, Air Canada and SWISS from Ottawa to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,568 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

SWISS
7.8
Good
1,996 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,055 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.6
Good
1,767 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

WestJet
7.5
Good
2,920 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.9

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Heathrow. 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 London Heathrow?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to London Heathrow. You should not have trouble finding flights to London Heathrow from Ottawa; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ottawa airport to London Heathrow. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • Can I find flights from Ottawa to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Ottawa to London Heathrow Airport for under $800. The cheapest flight booked recently is on Air Canada for just $720, but on average you can expect to pay $830.

  • Are there last-minute flights available from Ottawa to London Heathrow Airport for under $1,200?

    There are currently 3+ open flights from Ottawa to London Heathrow Airport within the next 7 days for less than $1,200.

  • What are the cheapest airlines flying from Ottawa to London Heathrow Airport round-trip?

    According to our current data, Air Canada ($720), Lufthansa ($731), and Austrian Airlines ($782) offers the cheapest pricing from Ottawa to London Heathrow Airport. You may be able to fly from Ottawa to London Heathrow Airport for 12% less than the average price by searching for these airlines.

  • What are the most popular airlines that fly from Ottawa to London Heathrow Airport?

    Consider Air Canada, Lufthansa or United Airlines when booking your flight. These represent the most popular airlines when flying from Ottawa to London Heathrow Airport.

  • What does YOW to LHR mean?

    Great question - YOW to LHR just means Ottawa Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Ottawa to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ottawa to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ottawa to Heathrow that allow pets onboard?

    Many airlines flying from Ottawa to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ottawa to Heathrow?

    Yes, you can often find last-minute deals on Ottawa to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ottawa to London Heathrow Airport flight deals updated?

    The Ottawa to London Heathrow Airport flight deals you see on this page were last updated on 5/15.

See more FAQs

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Alternative routes for Ottawa to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pearson Intl to London City flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights

Top 3 airlines flying from Ottawa to Heathrow

Discover the top 3 airlines that operate flights from Ottawa to Heathrow. 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 2,644,845 searches. Data last updated May 15, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$712Average$858FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest$745Average$801FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$916Average$1,521FlexibilityNo cancel feeOn-time69%
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Search flights from Ottawa to Heathrow by cabin class

Find flights from Ottawa to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Heathrow?

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Heathrow flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Ottawa to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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