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

WestJet and Air Canada are the most popular carriers 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 35% 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 September 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$ 206 Cheap Flights from London to Ottawa in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

6:55 p.m. - 7:12 p.m.YOW-YXU

24h 17m1 stop

C$ 418

Find Deal

Thu, 23 Oct - Sun, 26 Oct

8:00 p.m. - 2:27 p.m.YXU-YOW

18h 27m1 stop

6:00 a.m. - 7:12 p.m.YOW-YXU

13h 12m1 stop

C$ 422

Find Deal

Tue, 28 Oct - Tue, 4 Nov

8:00 p.m. - 4:53 p.m.YXU-YOW

20h 53m1 stop

6:00 a.m. - 7:12 p.m.YOW-YXU

13h 12m1 stop

C$ 426WestJet

Find Deal

Wed, 3 Dec - Mon, 8 Dec

8:00 p.m. - 4:53 p.m.YXU-YOW

20h 53m1 stop

6:45 a.m. - 7:12 p.m.YOW-YXU

12h 27m2 stops

C$ 433

Find Deal

Wed, 3 Dec - Tue, 9 Dec

8:00 p.m. - 12:40 a.m.YXU-YOW

28h 40m1 stop

5:45 p.m. - 7:12 p.m.YOW-YXU

25h 27m1 stop

C$ 451WestJet

Find Deal

Fri, 5 Dec - Mon, 8 Dec

8:00 p.m. - 4:53 p.m.YXU-YOW

20h 53m1 stop

5:45 p.m. - 7:12 p.m.YOW-YXU

25h 27m1 stop

C$ 472WestJet

Find Deal

Wed, 3 Dec - Wed, 10 Dec

5:45 a.m. - 9:23 a.m.YXU-YOW

3h 38m1 stop

12:05 p.m. - 5:05 p.m.YOW-YXU

5h 00m1 stop

C$ 597Air Canada

Find Deal

Sat, 6 Dec - Sun, 7 Dec

9:55 a.m. - 1:09 p.m.YXU-YOW

3h 14m1 stop

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

5h 02m1 stop

C$ 669Air Canada

Find Deal

Mon, 13 Oct - Mon, 20 Oct

3:40 p.m. - 7:04 p.m.YXU-YOW

3h 24m1 stop

11:55 a.m. - 3:02 p.m.YOW-YXU

3h 07m1 stop

C$ 681Air Canada

Find Deal

Sun, 12 Oct - Sun, 19 Oct

9:55 a.m. - 1:09 p.m.YXU-YOW

3h 14m1 stop

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

5h 32m1 stop

C$ 705Air Canada

Find Deal

Mon, 13 Oct - Mon, 13 Oct

WestJet flights from London, Ontario to Ottawa

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

WestJet

3 Dec

YXU8:00 p.m.London

20h 53m

1 stop

YOW4:53 p.m.Ottawa

8 Dec

YOW6:00 a.m.Ottawa

13h 12m

1 stop

YXU7:12 p.m.London

C$ 426

Find similar

WestJet

5 Dec

YXU8:00 p.m.London

28h 40m

1 stop

YOW12:40 a.m.Ottawa

8 Dec

YOW5:45 p.m.Ottawa

25h 27m

1 stop

YXU7:12 p.m.London

C$ 451

Find similar

WestJet

3 Dec

YXU8:00 p.m.London

20h 53m

1 stop

YOW4:53 p.m.Ottawa

10 Dec

YOW5:45 p.m.Ottawa

25h 27m

1 stop

YXU7:12 p.m.London

C$ 472

Find similar

Air Canada flights from London, Ontario to Ottawa

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

Air Canada

6 Dec

YXU5:45 a.m.London

3h 38m

1 stop

YOW9:23 a.m.Ottawa

7 Dec

YOW12:05 p.m.Ottawa

5h 00m

1 stop

YXU5:05 p.m.London

C$ 597

Find similar

Air Canada

13 Oct

YXU9:55 a.m.London

3h 14m

1 stop

YOW1:09 p.m.Ottawa

20 Oct

YOW10:00 a.m.Ottawa

5h 02m

1 stop

YXU3:02 p.m.London

C$ 669

Find similar

Air Canada

12 Oct

YXU3:40 p.m.London

3h 24m

1 stop

YOW7:04 p.m.Ottawa

19 Oct

YOW11:55 a.m.Ottawa

3h 07m

1 stop

YXU3:02 p.m.London

C$ 681

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 23/10

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

1 stop10h 45m

Ottawa

Sun 26/10

6:55 p.m.-7:12 p.m.

1 stop24h 17m

C$ 418

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 28/10

8:00 p.m.-2:27 p.m.

1 stop18h 27m

Ottawa

Tue 4/11

6:00 a.m.-7:12 p.m.

1 stop13h 12m

C$ 422

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 3/12

8:00 p.m.-4:53 p.m.

1 stop20h 53m

Ottawa

Mon 8/12

6:00 a.m.-7:12 p.m.

1 stop13h 12m

C$ 426

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 3/12

8:00 p.m.-4:53 p.m.

1 stop20h 53m

Ottawa

Tue 9/12

6:45 a.m.-7:12 p.m.

2 stops12h 27m

C$ 433

LondonOttawa

YXU - YOW

YXUYOW

London

Fri 5/12

8:00 p.m.-12:40 a.m.

1 stop28h 40m

Ottawa

Mon 8/12

5:45 p.m.-7:12 p.m.

1 stop25h 27m

C$ 451

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 3/12

8:00 p.m.-4:53 p.m.

1 stop20h 53m

Ottawa

Wed 10/12

5:45 p.m.-7:12 p.m.

1 stop25h 27m

C$ 472

LondonOttawa

YXU - YOW

YXUYOW

London

Sat 6/12

5:45 a.m.-9:23 a.m.

1 stop3h 38m

Ottawa

Sun 7/12

12:05 p.m.-5:05 p.m.

1 stop5h 00m

C$ 597

LondonOttawa

YXU - YOW

YXUYOW

London

Mon 13/10

9:55 a.m.-1:09 p.m.

1 stop3h 14m

Ottawa

Mon 20/10

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

1 stop5h 02m

C$ 669

LondonOttawa

YXU - YOW

YXUYOW

London

Sun 12/10

3:40 p.m.-7:04 p.m.

1 stop3h 24m

Ottawa

Sun 19/10

11:55 a.m.-3:02 p.m.

1 stop3h 07m

C$ 681

LondonOttawa

YXU - YOW

YXUYOW

London

Mon 13/10

9:55 a.m.-1:09 p.m.

1 stop3h 14m

Ottawa

Mon 13/10

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

1 stop5h 32m

C$ 705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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$ 651. 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$ 792.

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$ 783. Flights from London, Ontario to Ottawa on a Sunday will generally be more expensive and average around C$ 1,015. 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$ 893. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 954 per ticket.

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

As of September 2025, prices for London, Ontario to Ottawa flights are approximately 3% 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

Direct flights	None

There are no direct flights from London, Ontario to Ottawa. There are no popular flight routes from London, Ontario to Ottawa.

Search flight deals

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 14m.
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 September 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$ 395	Free Cancellation	Rating 7.2 3,091 reviews		Search WestJet flights
Air Canada	PriceFrom C$ 519	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

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.