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

Currently priced at $570, Lufthansa will fly you from London to Ottawa and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Austrian Airlines and Air Canada - these airlines can fly you to your destination from $590 and $594, respectively. You may be able to fly from London to Ottawa for 24% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from London to Ottawa are Air Transat ($540), WestJet ($600), and Delta ($1,182).

What is the cheapest day to fly from London to Ottawa?

Travelers seeking maximum savings on their London to Ottawa flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from London to Ottawa?

Users have found that flying from London to Ottawa on a Thursday 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 London to Ottawa?

Find a great deal and save up to 39% by booking at least 43 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 London to Ottawa within the next two weeks, with the cheapest ticket starting at $728.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Ottawa. Flights to Ottawa from London in January are about $758 on average during January, but can be found for as low as $501.

What is the cheapest time of day to fly from LON to YOW?

It’s optimal to fly from London to Ottawa at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

Most accurate provider : When it comes to deals on London-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Ottawa flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Ottawa from London?

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

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

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

How can I find direct flights from London to Ottawa?

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

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

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

$540+ Flights from London to Ottawa

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Find cheap flights from London to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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The best prices from London to Ottawa are usually found in January or February, booked 42 days in advance, depart on a Thursday or Monday and return on a Saturday

Cheap flight deals from London to Ottawa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$570 (Lufthansa)
One-way from	$540 (Air Transat)
Popular in	August
Cheapest in	January
Average price	$628

Provider with most accurate pricing for London (LON)-Ottawa flight deals.

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Provider most trusted by Cheapflights users for London (LON)-Ottawa flights.

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From London (LON) to Ottawa

Search Deals

One-way flight from London (LON) to Ottawa

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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Find flight deals from London to Ottawa

Cheapest flights from London to Ottawa
Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

lun. 3/3111:30 amLHR - YOW

2 stops17h 14mLufthansa

lun. 4/72:45 pmYOW - LHR

1 stop14h 15mLufthansa

Deal found 2/20

$570

mié. 4/26:00 amLHR - YOW

2 stops17h 09mAustrian Airlines

jue. 4/104:00 pmYOW - LHR

1 stop14h 50mAustrian Airlines

Deal found 2/19

$590

jue. 3/203:00 pmLHR - YOW

1 stop25h 18mAir Canada

jue. 3/271:00 pmYOW - LHR

1 stop14h 10mAir Canada

Deal found 2/20

$594

jue. 4/2412:40 pmLGW - YOW

1 stop10h 40mAir Transat

lun. 4/2810:40 amYOW - LGW

1 stop19h 05mAir Transat

Deal found 2/20

$620

mar. 5/136:40 pmLHR - YOW

2 stops31h 29mSWISS

dom. 5/181:55 pmYOW - LHR

2 stops22h 55mSWISS

Deal found 2/20

$622

mié. 4/26:00 amLHR - YOW

2 stops16h 24mMultiple Airlines

jue. 4/104:00 pmYOW - LHR

2 stops20h 05mMultiple Airlines

Deal found 2/19

$639

jue. 4/249:30 amLHR - YOW

2 stops17h 05mUnited Airlines

lun. 4/282:10 pmYOW - LHR

2 stops15h 00mUnited Airlines

Deal found 2/20

$658

jue. 3/206:30 amLHR - YOW

2 stops13h 40mKLM

lun. 3/246:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 2/20

$768

sáb. 5/248:10 pmLHR - YOW

2 stops33h 42mDelta

vie. 10/245:55 amYOW - LHR

2 stops44h 20mDelta

Deal found 2/20

$860

jue. 6/269:40 amLGW - YOW

1 stop19h 42mMultiple Airlines

jue. 7/35:55 amYOW - LGW

2 stops46h 55mMultiple Airlines

Deal found 2/20

$877

sáb. 7/267:45 pmLHR - YOW

1 stop24h 20mAir France

jue. 9/115:15 pmYOW - LHR

1 stop9h 45mAir France

Deal found 2/20

$1,056

mié. 8/612:00 pmLGW - YOW

2 stops41h 22mDelta

sáb. 9/65:55 amYOW - LGW

2 stops47h 05mDelta

Deal found 2/20

$1,169

Best flights from London to Ottawa
Discover carefully curated flight deals from London to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 20, 2025.

lun. 3/3111:30 amLHR - YOW

2 stops17h 14mLufthansa

lun. 4/76:55 pmYOW - LHR

Nonstop6h 35mLufthansa

Deal found 2/20

$570

mié. 4/26:00 amLHR - YOW

2 stops17h 09mAustrian Airlines

jue. 4/104:00 pmYOW - LHR

1 stop14h 50mAustrian Airlines

Deal found 2/19

$590

jue. 3/203:00 pmLHR - YOW

1 stop25h 18mAir Canada

jue. 3/271:00 pmYOW - LHR

1 stop14h 10mAir Canada

Deal found 2/20

$594

jue. 4/2412:40 pmLGW - YOW

1 stop10h 40mAir Transat

lun. 4/2810:40 amYOW - LGW

1 stop19h 05mAir Transat

Deal found 2/20

$620

mar. 5/136:40 pmLHR - YOW

2 stops31h 29mSWISS

dom. 5/181:55 pmYOW - LHR

2 stops22h 55mSWISS

Deal found 2/20

$622

mié. 4/26:00 amLHR - YOW

2 stops16h 24mMultiple Airlines

jue. 4/104:00 pmYOW - LHR

2 stops20h 05mMultiple Airlines

Deal found 2/19

$639

jue. 4/249:30 amLHR - YOW

2 stops17h 05mUnited Airlines

lun. 4/282:10 pmYOW - LHR

2 stops15h 00mUnited Airlines

Deal found 2/20

$658

jue. 3/206:30 amLHR - YOW

2 stops13h 40mKLM

lun. 3/246:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 2/20

$768

sáb. 5/248:10 pmLHR - YOW

2 stops33h 42mDelta

vie. 10/245:55 amYOW - LHR

2 stops44h 20mDelta

Deal found 2/20

$860

sáb. 7/267:45 pmLHR - YOW

1 stop24h 20mAir France

jue. 9/115:15 pmYOW - LHR

1 stop9h 45mAir France

Deal found 2/20

$1,056

jue. 7/1010:45 amLGW - YOW

2 stops18h 37mWestJet

jue. 7/175:55 amYOW - LGW

2 stops22h 30mWestJet

Deal found 2/19

$1,322

mar. 8/54:25 pmLGW - YOW

2 stops29h 55mTAP AIR PORTUGAL

mar. 9/91:55 pmYOW - LGW

2 stops20h 40mTAP AIR PORTUGAL

Deal found 2/20

$1,419

Last-minute flights from London to Ottawa
Discover last-minute flight deals from London to Ottawa. Data last updated febrero 20, 2025 and is based on user searches.

dom. 3/94:20 pmLHR - YOW

1 stop11h 34mUnited Airlines

dom. 3/165:50 pmYOW - LHR

1 stop11h 20mUnited Airlines

Deal found 2/20

$728

jue. 3/203:00 pmLHR - YOW

1 stop25h 18mAir Canada

jue. 3/271:00 pmYOW - LHR

1 stop14h 10mAir Canada

Deal found 2/20

$594

jue. 3/208:55 amLHR - YOW

2 stops36h 32mSWISS

jue. 3/276:10 pmYOW - LHR

2 stops21h 05mSWISS

Deal found 2/20

$657

jue. 3/2011:40 amLGW - YOW

1 stop31h 30mAir Transat

dom. 3/235:05 pmYOW - LGW

1 stop12h 40mAir Transat

Deal found 2/20

$686

jue. 3/206:30 amLHR - YOW

2 stops13h 40mKLM

lun. 3/246:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 2/20

$768

jue. 3/2011:40 amLGW - YOW

1 stop10h 37mMultiple Airlines

jue. 3/274:20 pmYOW - LGW

1 stop13h 40mMultiple Airlines

Deal found 2/20

$998

lun. 3/3111:30 amLHR - YOW

2 stops17h 14mLufthansa

lun. 4/72:45 pmYOW - LHR

1 stop14h 15mLufthansa

Deal found 2/20

$570

One-way flights from London to Ottawa
Search for one-way flight options from London to Ottawa. Find affordable one-way fares based on user searches. Data last updated febrero 20, 2025.

dom. 3/911:40 amLGW - YOW

1 stop24h 37mAir Transat

Deal found 2/20

$540

dom. 5/252:10 pmLHR - YOW

2 stops44h 20mWestJet

Deal found 2/20

$600

vie. 5/235:50 pmLHR - YOW

1 stop11h 32mDelta

Deal found 2/19

$1,182

lun. 5/192:05 pmLHR - YOW

Nonstop7h 20mLufthansa

Deal found 2/19

$1,691

Find flights from London to Ottawa within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 3/31

11:30 am-11:44 pm

2 stops17h 14m

Ottawa

lun. 4/7

6:55 pm-6:30 am

Nonstop6h 35m

$570

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 4/2

6:00 am-6:09 pm

2 stops17h 09m

Ottawa

jue. 4/10

4:00 pm-11:50 am

1 stop14h 50m

$590

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 3/20

3:00 pm-12:18 pm

1 stop25h 18m

Ottawa

jue. 3/27

1:00 pm-7:10 am

1 stop14h 10m

$594

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

jue. 4/24

12:40 pm-6:20 pm

1 stop10h 40m

Ottawa

lun. 4/28

10:40 am-10:45 am

1 stop19h 05m

$620

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mar. 5/13

6:40 pm-9:09 pm

2 stops31h 29m

Ottawa

dom. 5/18

1:55 pm-5:50 pm

2 stops22h 55m

$622

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 4/2

6:00 am-5:24 pm

2 stops16h 24m

Ottawa

jue. 4/10

4:00 pm-5:05 pm

2 stops20h 05m

$639

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 4/24

9:30 am-9:35 pm

2 stops17h 05m

Ottawa

lun. 4/28

2:10 pm-10:10 am

2 stops15h 00m

$658

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 3/20

6:30 am-4:10 pm

2 stops13h 40m

Ottawa

lun. 3/24

6:20 pm-10:45 am

2 stops12h 25m

$768

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

sáb. 5/24

8:10 pm-12:52 am

2 stops33h 42m

Ottawa

mié. 10/22

5:55 am-10:15 am

2 stops23h 20m

$860

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

jue. 6/26

9:40 am-12:22 am

1 stop19h 42m

Ottawa

jue. 7/3

5:55 am-9:50 am

2 stops46h 55m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 20 results

Most accurate provider: When it comes to deals on London-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Ottawa flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from London 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.

Travel insights for flights from London to Ottawa

Get recent, data-driven insights about flights from London to Ottawa including ideal travel times, pricing trends, and more.

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

To ensure you get the cheapest price possible for a flight from London to Ottawa, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of $294). Flying from London to Ottawa in May is currently the most expensive (average of $474). 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.

Rainfall in Ottawa by month

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

If weather is an important factor for your trip to Ottawa, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Peruse reviews from past customers who have flown with Delta, KLM and Air Transat from London to Ottawa to help guide your decision. 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

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Air Transat

7.8

Good

380 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Austrian Airlines

7.6

Good

773 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

SWISS

7.5

Good

1,568 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

What airport do you fly into for flights to Ottawa from London?
Ottawa (YOW) is the airport you will fly into if you book a flight from London to Ottawa. You should not have trouble finding flights to Ottawa from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Ottawa airport from London. It is only a 6.6 mi journey from Ottawa (YOW) to Ottawa’s city center.
What are the cheapest airlines flying from London to Ottawa round-trip?
Currently priced at $570, Lufthansa will fly you from London to Ottawa and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Austrian Airlines and Air Canada - these airlines can fly you to your destination from $590 and $594, respectively. You may be able to fly from London to Ottawa for 24% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from London to Ottawa one-way?
The cheapest airlines for a one-way flight from London to Ottawa are Air Transat ($540), WestJet ($600), and Delta ($1,182).
Can I find deals for flights from London to Ottawa that include hotel bookings?
Yes. In addition to deals on London to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ottawa.
Can I find deals for business class flights from London to Ottawa?
Yes. Cheapflights offers flight deals from London to Ottawa 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 London to Ottawa?
Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of $294). Flying from London to Ottawa in May is currently the most expensive (average of $474). 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 London to Ottawa

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$540+ Cheap flights from London (LON) to Ottawa (YOW)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to Ottawa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from London to Ottawa are usually found in January or February, booked 42 days in advance, depart on a Thursday or Monday and return on a Saturday

Cheap flight deals from London to Ottawa

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Ottawa

Cheapest flights from London to OttawaExplore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

Find flights from London to Ottawa within your budget

Best time to book a flight from London to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from London with our price prediction graph.

Travel insights for flights from London to Ottawa

Get recent, data-driven insights about flights from London to Ottawa including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Ottawa. Price data was last updated on February 14, 2025.

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

Rainfall in Ottawa by month

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

Temperature in Ottawa by month

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

Reviews of airlines servicing Ottawa

Peruse reviews from past customers who have flown with Delta, KLM and Air Transat from London to Ottawa to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

How can I find direct flights from London to Ottawa?

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

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

Traveling to a place near London?

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Cheapest flights from London to Ottawa
Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.