What is the cheapest airline that flies from London to Ottawa?

WestJet is the most popular carrier operating from London to Ottawa

Which airlines fly to Ottawa?

Porter Airlines, WestJet and Air Canada are the top three most popular airlines that fly to Ottawa from London, Ontario according to our data. Porter Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from London Airport to Ottawa Airport?

Prices for flights from London Airport to Ottawa Airport were last updated today.

How many operators does momondo search for flights from London Airport to Ottawa Airport?

As of July 2025, there are 2 operators available to choose from for flights from London Airport to Ottawa Airport.

How old do you have to be to fly from London Airport to Ottawa Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 361 Cheap Flights from London to Ottawa in 2025

1 adult

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Find the cheapest flights from London, Ontario to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

C$ 487WestJet

Find Deal

Tue, 23 Sep - Wed, 24 Sep

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

5:15 p.m. - 5:12 a.m.YOW-YXU

11h 57m2 stops

C$ 519WestJet

Find Deal

Tue, 23 Sep - Wed, 24 Sep

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

C$ 522WestJet

Find Deal

Sat, 27 Sep - Thu, 2 Oct

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

C$ 542WestJet

Find Deal

Wed, 27 Aug - Wed, 3 Sep

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

5:15 p.m. - 5:12 a.m.YOW-YXU

11h 57m2 stops

C$ 569WestJet

Find Deal

Sat, 27 Sep - Thu, 2 Oct

8:00 p.m. - 10:21 a.m.YXU-YOW

14h 21m2 stops

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

C$ 597

Find Deal

Wed, 27 Aug - Wed, 3 Sep

9:55 a.m. - 3:05 p.m.YXU-YOW

5h 10m1 stop

11:55 a.m. - 5:07 p.m.YOW-YXU

5h 12m1 stop

C$ 675Air Canada

Find Deal

Fri, 29 Aug - Mon, 1 Sep

9:55 a.m. - 3:05 p.m.YXU-YOW

5h 10m1 stop

10:00 a.m. - 3:02 p.m.YOW-YXU

5h 02m1 stop

C$ 734Air Canada

Find Deal

Fri, 15 Aug - Sun, 17 Aug

6:15 a.m. - 9:15 a.m.YXU-YOW

3h 00m1 stop

3:55 p.m. - 9:27 p.m.YOW-YXU

5h 32m1 stop

C$ 771Air Canada

Find Deal

Sun, 10 Aug - Sun, 17 Aug

6:15 a.m. - 11:05 a.m.YXU-YOW

4h 50m1 stop

5:55 p.m. - 9:27 p.m.YOW-YXU

3h 32m1 stop

C$ 864Air Canada

Find Deal

Sun, 3 Aug - Mon, 4 Aug

WestJet flights from London, Ontario to Ottawa

Our best WestJet deals on London, Ontario to Ottawa flight tickets

WestJet

23 Sep

YXU8:00 p.m.London

10h 45m

1 stop

YOW6:45 a.m.Ottawa

24 Sep

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

C$ 487

Find similar

WestJet

23 Sep

YXU8:00 p.m.London

10h 45m

1 stop

YOW6:45 a.m.Ottawa

24 Sep

YOW5:15 p.m.Ottawa

11h 57m

2 stops

YXU5:12 a.m.London

C$ 519

Find similar

WestJet

27 Sep

YXU8:00 p.m.London

10h 45m

1 stop

YOW6:45 a.m.Ottawa

2 Oct

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

C$ 522

Find similar

Air Canada flights from London, Ontario to Ottawa

Our best Air Canada deals on London, Ontario to Ottawa flight tickets

Air Canada

29 Aug

YXU9:55 a.m.London

5h 10m

1 stop

YOW3:05 p.m.Ottawa

1 Sep

YOW11:55 a.m.Ottawa

5h 12m

1 stop

YXU5:07 p.m.London

C$ 675

Find similar

Air Canada

15 Aug

YXU9:55 a.m.London

5h 10m

1 stop

YOW3:05 p.m.Ottawa

17 Aug

YOW10:00 a.m.Ottawa

5h 02m

1 stop

YXU3:02 p.m.London

C$ 734

Find similar

Air Canada

10 Aug

YXU6:15 a.m.London

3h 00m

1 stop

YOW9:15 a.m.Ottawa

17 Aug

YOW3:55 p.m.Ottawa

5h 32m

1 stop

YXU9:27 p.m.London

C$ 771

Find similar

How to get the cheapest flight ticket from London, Ontario to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ottawa?

The month of October is, on average, the cheapest month to fly to Ottawa from London, Ontario, with most prices found around C$ 783. If you aren’t able to travel to Ottawa during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 802.

What is the cheapest day to depart on your flight to Ottawa?

Our data shows that Thursday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 775. Flights from London, Ontario to Ottawa on a Sunday will generally be more expensive and average around C$ 1,004. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ottawa?

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from London, Ontario to Ottawa during this time can be as low as C$ 883. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 944 per ticket.

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

You are more likely to see cheaper flights to Ottawa from London, Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 956 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from London, Ontario for as low as C$ 554 on momondo.

How have London, Ontario to Ottawa flight prices changed over time?

As of July 2025, prices for London, Ontario to Ottawa flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from London, Ontario to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Ottawa according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London, Ontario to Ottawa (YXU to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Ottawa

Best price found	C$ 361
Fastest flight time	3h 00m
Direct flights	None
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London, Ontario in the past 72 hours is C$ 361. The best round-trip flight deal from London, Ontario to Ottawa found on momondo in the last 72 hours is C$ 487.

The fastest flight from London, Ontario to Ottawa takes 3h 00m

There are no direct flights from London, Ontario to Ottawa. Popular non-direct route for this connection is London Airport - Ottawa Airport.

There is 1 airport near Ottawa: Ottawa (YOW)

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How far is London to Ottawa by plane?
London and Ottawa are 517.1 km apart from one another. By plane, this route typically takes 3h 00m.
When did momondo last update prices for flights from London Airport to Ottawa Airport?
Prices for flights from London Airport to Ottawa Airport were last updated today.
How many operators does momondo search for flights from London Airport to Ottawa Airport?
As of July 2025, there are 2 operators available to choose from for flights from London Airport to Ottawa Airport.
How old do you have to be to fly from London Airport to Ottawa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London, Ontario to Ottawa?
momondo data reveals that the most frequently booked airline on the route from London, Ontario to Ottawa is Air Canada, representing 93% of all bookings. The subsequent popular airline is WestJet at 7%.

Best airlines flying from London, Ontario to Ottawa

Compare and see reviews for airlines that fly from London, Ontario to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom C$ 391	Free Cancellation	Rating 7.2 2,939 reviews		Search WestJet flights
Air Canada	PriceFrom C$ 553	Free Cancellation	Rating 7.1 9,717 reviews		Search Air Canada flights

Gatineau

Brockville

Pembroke

Smiths Falls

Wakefield

Calabogie

Perth

Prescott

Petawawa

Winchester

Why use momondo?

Why should I use momondo to find a flight deal from London to Ottawa?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Ottawa. momondo saves you time and could save you money on your trip.

Can I find flights from London to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from London with this policy.

How can momondo help me find flights from London to Ottawa?

Once you have performed a search for London to Ottawa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.