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

WestJet, at C$ 799, was found to be the cheapest airline from London, Ontario to Ottawa. An alternate airline flying to your destination would be Air Canada. WestJet is priced at 18% lower than the current average price of a flight leaving 3 months from now.

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

Travellers have found that booking a Wednesday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 133% by booking at least 57 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, Ontario to Ottawa within the next two weeks, with the cheapest ticket starting at C$ 1,051.

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

October can be a great time to fly to Ottawa from London, Ontario with a flight ticket averaging about C$ 979. Cheapflights users have found deals in the month of October for as cheap as C$ 521. The most expensive prices can be found in the month of December.

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.

C$ 272+ Flights from London, ON to Ottawa

Cheapflights Tip: The best prices from London to Ottawa are usually found in October or July, booked 56 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from London to Ottawa

Round-trip from	C$ 627
One-way from	C$ 272
Popular in	December
Cheapest in	October
Average price	C$ 911

10/5-13/5
2 total stops
41h 32m total
London to Ottawa

Search Deals

14/4
1 total stop
28h 52m total
London to Ottawa

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 137 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 20 March 2025.

Sat 10/58:00 p.m.YXU - YOW

1 stop17h 03mMultiple Airlines

Tue 13/56:40 p.m.YOW - YXU

1 stop24h 29mMultiple Airlines

Deal found 19/3C$ 627

Fri 23/56:00 a.m.YXU - YOW

1 stop8h 46mWestJet

Mon 26/57:15 p.m.YOW - YXU

1 stop9h 59mWestJet

Deal found 20/3C$ 720

Thu 10/49:55 a.m.YXU - YOW

1 stop5h 14mAir Canada

Fri 11/46:00 a.m.YOW - YXU

1 stop3h 13mAir Canada

Deal found 19/3C$ 931

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 20 March 2025.

Sat 10/58:00 p.m.YXU - YOW

1 stop17h 03mMultiple Airlines

Tue 13/56:40 p.m.YOW - YXU

1 stop24h 29mMultiple Airlines

Deal found 19/3C$ 627

Thu 12/66:00 a.m.YXU - YOW

1 stop8h 56mWestJet

Thu 12/67:15 p.m.YOW - YXU

1 stop9h 59mWestJet

Deal found 18/3C$ 799

Thu 10/49:55 a.m.YXU - YOW

1 stop5h 14mAir Canada

Fri 11/46:00 a.m.YOW - YXU

1 stop3h 13mAir Canada

Deal found 19/3C$ 931

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

Tue 25/33:20 p.m.YXU - YOW

1 stop2h 52mAir Canada

Tue 1/410:05 a.m.YOW - YXU

1 stop4h 43mAir Canada

Deal found 18/3C$ 1,297

Tue 25/38:00 p.m.YXU - YOW

3 stops28h 37mMultiple Airlines

Tue 1/48:10 p.m.YOW - YXU

2 stops23h 03mMultiple Airlines

Deal found 18/3C$ 1,595

Thu 10/49:55 a.m.YXU - YOW

1 stop5h 14mAir Canada

Fri 11/46:00 a.m.YOW - YXU

1 stop3h 13mAir Canada

Deal found 19/3C$ 931

Mon 14/412:20 p.m.YXU - YOW

1 stop28h 52mMultiple Airlines

Thu 17/42:50 p.m.YOW - YXU

2 stops20h 30mMultiple Airlines

Deal found 19/3C$ 786

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

YXU - YOW

YXUYOW

London

Sat 10/5

8:00 p.m.-1:03 p.m.

1 stop17h 03m

Ottawa

Tue 13/5

6:40 p.m.-7:09 p.m.

1 stop24h 29m

C$ 627

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 12/6

6:00 a.m.-2:56 p.m.

1 stop8h 56m

Ottawa

Thu 12/6

7:15 p.m.-5:14 a.m.

1 stop9h 59m

C$ 799

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 10/4

9:55 a.m.-3:09 p.m.

1 stop5h 14m

Ottawa

Fri 11/4

6:00 a.m.-9:13 a.m.

1 stop3h 13m

C$ 931

LondonOttawa

YXU - YOW

YXUYOW

London

Mon 14/4

12:20 p.m.-5:12 p.m.

1 stop28h 52m

C$ 272

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 2/4

3:25 p.m.-6:09 p.m.

1 stop2h 44m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

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.

Cheapflights Insights

Everything you need to know about your flight from London to Ottawa

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

The best time to book flights from London, Ontario to Ottawa is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from London, Ontario to Ottawa (average of C$ 224). Flying from London, Ontario to Ottawa in December is currently the most expensive (average of C$ 326). 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 YXU to YOW?

It’s optimal to fly from London, Ontario to Ottawa in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight at noon.

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

Travelers seeking maximum savings on their London, Ontario to Ottawa flight should consider departing on Thursday mornings 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.

Rainfall in Ottawa by month

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

WestJet

7.2

Good

2,782 reviews

Check prices

Reviews

1 / 20

6.0

Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

WestJet

7.2

Good

2,782 reviews

WestJet

7.2

Good

2,782 reviews

Check prices

Reviews

1 / 20

6.0

Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Air Canada

7.0

Good

8,906 reviews

WestJet

7.2

Good

2,782 reviews

Check prices

Reviews

1 / 20

6.0

Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

What are the cheapest airlines flying from London, Ontario to Ottawa round-trip?
WestJet, at C$ 799, was found to be the cheapest airline from London, Ontario to Ottawa. An alternate airline flying to your destination would be Air Canada. WestJet is priced at 18% lower than the current average price of a flight leaving 3 months from now.
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, Ontario to Ottawa?
Currently, October is the cheapest month in which you can book a flight from London, Ontario to Ottawa (average of C$ 224). Flying from London, Ontario to Ottawa in December is currently the most expensive (average of C$ 326). 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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Brockville

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Other flights to Ottawa

Top airline flying from London to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 533	AverageC$ 992	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

Deals for London to Ottawa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Ottawa from London 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 London to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to Ottawa from C$ 272

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Ottawa are usually found in October or July, booked 56 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from London to Ottawa

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 20 March 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 20 March 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from London to Ottawa

How far ahead should I book a flight from London, Ontario 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 14 March 2025.

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

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

Find hourly flight availability from London to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2025.

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

Use this chart to determine the cheapest time to fly round-trip from London to Ottawa. Price data was last updated on 16 December 2024.

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

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 20 March 2025.

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

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, Ontario to Ottawa?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from London to Ottawa

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 London to Ottawa?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 20 March 2025.