How many flights from Ottawa to London are non-stop?

Across the trailing quarter, approximately 4.3% of flights from Ottawa to London were non-stop. For flights that included connections, the median number of stopovers was 2. Travelers should anticipate that the majority of routes on this journey will involve at least one stop. This indicates that direct options are less common for this particular route.

What's the flight time from Ottawa to London?

The direct flight time from Ottawa to London is typically around 6 hours and 35 minutes, covering a distance of 5371 kilometers. For flights with one stop, the median duration extends to approximately 12 hours and 10 minutes. Travelers should account for these differences when planning their journey, as connecting flights can significantly increase travel time.

How often do cheap flights from Ottawa to London come up?

Historically, cheap flights from Ottawa to London come up frequently. This route is classified as having frequent availability of deals, based on data from the trailing 30 days. Travelers looking for good prices on this route may find opportunities arising regularly. This suggests a consistent pattern of competitive pricing for this destination.

Flights From Ottawa

To London

Cheap Flights from Ottawa to London

Browse current best options from Ottawa. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Ottawa

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 2 days ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Ottawa to London

Explore current cheapest deals departing from Ottawa to London

2026-10-02 – 2026-10-09
YOW - London
91% AI deal score
CA$1,050
CA$665
Round trip
2026-10-02 – 2026-10-11
YOW - London
90% AI deal score
CA$1,001
CA$665
Round trip
2026-10-09 – 2026-10-16
YOW - London
91% AI deal score
CA$1,049
CA$665
Round trip
2026-10-04 – 2026-10-16
YOW - London
90% AI deal score
CA$979
CA$665
Round trip
2026-10-09 – 2026-10-23
YOW - London
90% AI deal score
CA$974
CA$665
Round trip
2026-10-02 – 2026-10-16
YOW - London
90% AI deal score
CA$972
CA$687
Round trip
2026-10-02 – 2026-10-04
YOW - London
91% AI deal score
CA$1,144
CA$687
Round trip
2026-10-11 – 2026-10-23
YOW - London
90% AI deal score
CA$977
CA$687
Round trip
2026-10-11 – 2026-10-16
YOW - London
91% AI deal score
CA$1,084
CA$687
Round trip
2026-10-15 – 2026-10-23
YOW - London
91% AI deal score
CA$1,084
CA$697
Round trip

Ottawa to London: Overview

Insights for flights from Ottawa to London

For flights from Ottawa to London, fares typically range from $735 to $1254, with a median of $1018. Right now, current fares are near the typical level for this route. Only about 8% of recent fares were classified as a good price, indicating that finding exceptionally low prices can be challenging.

If you are looking for cheap flights from Ottawa to London, the cheapest months to fly are July, with a median fare of $647, followed by May at $656, and January at $715. Planning your trip during these months could result in more favorable pricing.

The typical journey time from Ottawa to London is approximately 26h 25m, including connections. This is a long-haul route, covering a distance of 5371 kilometers. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 2. Only 4.3% of recent fares were for direct flights from Ottawa to London, meaning travelers should expect to make at least one stop.

New deals for this route appear almost daily, so setting up a price alert can help you stay informed about the latest offers.

How much is a round trip from Ottawa to London

Regular price: CA$873 - CA$1,792

Prices from Ottawa to London are currently below the regular range.

The regular price range for flights from Ottawa to London is CAD873 to CAD1792. The current lowest deal is CAD664 with Air Transat for travel from Oct 2-Oct 9.

now CA$664

Low CA$873

High CA$1,792

The cheapest time to fly from Ottawa to London

The cheapest month to fly from YOW to LON is July, with a median price of $647. The most expensive month is December, with a median price of $1712. Prices are generally lower from January to September.

July

Cheapest

Flights from CA$647

December

Most Expensive

Flights from CA$1,712

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Ottawa to London

Air Canada

Air Transat

Last-minute flights going from Ottawa to London

Wed, Sep 16

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

Lufthansa

CA$1,291

CA$900

One-way

Sat, Sep 19

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

United Airlines

CA$1,367

CA$961

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,058

CA$701

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,063

CA$739

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,053

CA$790

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

Lufthansa

CA$1,203

CA$892

One-way

Biggest price drops on these dates for flights from Ottawa to London

4 nights

Sep 14 - Sep 18

CA$1,518 → CA$939

38%

2 nights

Sep 21 - Sep 23

CA$1,273 → CA$726

43%

3 nights

Oct 1 - Oct 4

CA$1,208 → CA$699

42%

3 nights

Oct 2 - Oct 5

CA$1,208 → CA$712

41%

Popular Airports to fly from Ottawa to London

Ottawa - London route insights

💸 Price insights

Fares near the typical level

Recent fares for Ottawa to London are near the typical level of $1018.

📅 Best time to fly

Fly in July for the best prices

Historically, July, May, and January offer the lowest median prices for this route.

⏱️ Flight duration

Long-haul flights, 26h 25m median

Flights from Ottawa to London are long-haul, with a median duration of 26 hours 25 minutes.

✈️ Airlines & availability

Connecting flights dominant

Connecting flights make up most of the availability, with a median of 2 stopovers.

🏆 Airline highlight

Air Transat offers a recent deal

Air Transat recently offered a deal for $664 from Ottawa to London Gatwick.

🎯 Booking tip

Frequent deals available

Deals for flights from Ottawa to London are frequent, appearing often in a 30-day window.

Ottawa main airports to depart from

Ottawa Macdonald–Cartier International (YOW)

Cheapest

Choose Ottawa Macdonald–Cartier International for flights from Ottawa to London.

📍 ~0 km from city center (reachable by car)

💸 Flights from ~CA$646

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Ottawa to London.

📍 ~40 km from city center

💸 Flights from ~CA$664

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub, offering a wide variety of short and long-haul destinations.

📍 ~160 km from London (reachable by rail)

💸 Flights from ~CA$962

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Ottawa to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From YOW

Elite

Dec 26

London, United Kingdom

95% AI deal score

$7,827

$3,629

Save $4,198

KLM

Business Class

From YOW

Elite

Dec 23

London, United Kingdom

95% AI deal score

$7,774

$3,827

Save $3,947

Air France

Business Class

From YOW

Elite

Dec 22

London, United Kingdom

95% AI deal score

$7,782

$3,827

Save $3,955

Air France

Business Class

From YOW

Elite

Oct 25

London, United Kingdom

94% AI deal score

$6,454

$3,276

Save $3,178

Air Canada, +1

Business Class

From YOW

Elite

Feb 16

London, United Kingdom

94% AI deal score

$5,767

$3,337

Save $2,430

Air Canada, +1

Business Class

From YOW

Elite

Jan 27

London, United Kingdom

94% AI deal score

$5,955

$3,337

Save $2,618

Air Canada, +1

Business Class

From YOW

Elite

Jan 19

London, United Kingdom

94% AI deal score

$6,095

$3,337

Save $2,758

Air Canada, +1

Business Class

From YOW

Elite

Feb 22

London, United Kingdom

94% AI deal score

$5,765

$3,337

Save $2,428

Air Canada, +1

Business Class

From YOW

Elite

Jan 27

London, United Kingdom

94% AI deal score

$6,375

$3,337

Save $3,038

Air Canada, +1

Business Class

From YOW

Elite

Jan 26

London, United Kingdom

94% AI deal score

$5,919

$3,337

Save $2,582

Air Canada, +1

Business Class

From YOW

Elite

Feb 16

London, United Kingdom

94% AI deal score

$5,851

$3,337

Save $2,514

Air Canada, +1

Business Class

From YOW

Elite

Jan 20

London, United Kingdom

94% AI deal score

$6,092

$3,337

Save $2,755

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Ottawa to London is typically 28-59 days before departure. During this period, the average price for a ticket was around $812. Booking within 0-6 days of departure saw average prices rise to $1014, while booking 60+ days out resulted in an average price of $1159. Planning your trip within the recommended window can lead to more favorable pricing.

Based on historical data from the trailing 90 days, a good price for a flight from Ottawa to London is considered to be $735 or less. The median price observed for this route was $1018. Prices can vary, with 75% of tickets historically costing $1254 or less. Aiming for a price at or below $735 could represent a notable saving.

Historically, the cheapest months to fly from Ottawa to London are July, May, and January. In July, the median price was $647, while May saw a median of $656. January also offered competitive pricing with a median of $715. The annual median price for this route was $1018, indicating that these months offer significant savings compared to the yearly average.

Ottawa to London: Overview

Insights for flights from Ottawa to London

New deals for this route appear almost daily, so setting up a price alert can help you stay informed about the latest offers.

How much is a round trip from Ottawa to London

Regular price: CA$873 - CA$1,792

Prices from Ottawa to London are currently below the regular range.

The regular price range for flights from Ottawa to London is CAD873 to CAD1792. The current lowest deal is CAD664 with Air Transat for travel from Oct 2-Oct 9.

now CA$664

Low CA$873

High CA$1,792

The cheapest time to fly from Ottawa to London

July

Cheapest

Flights from CA$647

December

Most Expensive

Flights from CA$1,712

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Ottawa to London

Air Canada

Air Transat

Last-minute flights going from Ottawa to London

Wed, Sep 16

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

Lufthansa

CA$1,291

CA$900

One-way

Sat, Sep 19

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

United Airlines

CA$1,367

CA$961

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,058

CA$701

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,063

CA$739

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LGW)

CA$1,053

CA$790

One-way

Mon, Sep 21

⌛ Last-Minute

YOW - London

Ottawa (YOW) - London (LHR)

Lufthansa

CA$1,203

CA$892

One-way

Biggest price drops on these dates for flights from Ottawa to London

4 nights

Sep 14 - Sep 18

CA$1,518 → CA$939

38%

2 nights

Sep 21 - Sep 23

CA$1,273 → CA$726

43%

3 nights

Oct 1 - Oct 4

CA$1,208 → CA$699

42%

3 nights

Oct 2 - Oct 5

CA$1,208 → CA$712

41%

Popular Airports to fly from Ottawa to London

Ottawa - London route insights

💸 Price insights

Fares near the typical level

Recent fares for Ottawa to London are near the typical level of $1018.

📅 Best time to fly

Fly in July for the best prices

Historically, July, May, and January offer the lowest median prices for this route.

⏱️ Flight duration

Long-haul flights, 26h 25m median

Flights from Ottawa to London are long-haul, with a median duration of 26 hours 25 minutes.

✈️ Airlines & availability

Connecting flights dominant

Connecting flights make up most of the availability, with a median of 2 stopovers.

🏆 Airline highlight

Air Transat offers a recent deal

Air Transat recently offered a deal for $664 from Ottawa to London Gatwick.

🎯 Booking tip

Frequent deals available

Deals for flights from Ottawa to London are frequent, appearing often in a 30-day window.

Ottawa main airports to depart from

Ottawa Macdonald–Cartier International (YOW)

Cheapest

Choose Ottawa Macdonald–Cartier International for flights from Ottawa to London.

📍 ~0 km from city center (reachable by car)

💸 Flights from ~CA$646

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Ottawa to London.

📍 ~40 km from city center

💸 Flights from ~CA$664

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub, offering a wide variety of short and long-haul destinations.

London, United Kingdom

94% AI deal score

$6,092

$3,337

Save $2,755

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from Ottawa to London

Today’s best flight deals from Ottawa to London

Ottawa to London: Overview

Insights for flights from Ottawa to London

How much is a round trip from Ottawa to London

The cheapest time to fly from Ottawa to London

Direct flights from Ottawa to London

Last-minute flights going from Ottawa to London

Biggest price drops on these dates for flights from Ottawa to London

Popular Airports to fly from Ottawa to London

Ottawa - London route insights

Fares near the typical level

Fly in July for the best prices

Long-haul flights, 26h 25m median

Connecting flights dominant

Air Transat offers a recent deal

Frequent deals available

Ottawa main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 26

Dec 23

Dec 22

Oct 25

Feb 16

Jan 27

Jan 19

Feb 22

Jan 27

Jan 26

Feb 16

Jan 20

Frequently Asked Questions About Flights to London

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

What is a good price for a flight from Ottawa to London?

When is the cheapest time of year to fly from Ottawa to London?

How many flights from Ottawa to London are non-stop?

What's the flight time from Ottawa to London?

How often do cheap flights from Ottawa to London come up?

Related routes

More routes from Ottawa

Flights to London from other cities

Ottawa to London: Overview

Insights for flights from Ottawa to London

How much is a round trip from Ottawa to London

The cheapest time to fly from Ottawa to London

Direct flights from Ottawa to London

Last-minute flights going from Ottawa to London

Biggest price drops on these dates for flights from Ottawa to London

Popular Airports to fly from Ottawa to London

Ottawa - London route insights

Fares near the typical level

Fly in July for the best prices

Long-haul flights, 26h 25m median

Connecting flights dominant

Air Transat offers a recent deal

Frequent deals available

Ottawa main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 26

Dec 23

Dec 22

Oct 25

Feb 16

Jan 27

Jan 19

Feb 22

Jan 27

Jan 26

Feb 16

Jan 20

Frequently Asked Questions About Flights to London

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

What is a good price for a flight from Ottawa to London?

When is the cheapest time of year to fly from Ottawa to London?