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Cheap flights from London, ON to Ottawa from C$ 314

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YOW
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ottawa

Enter your travel dates to find the best prices.

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 29 January 2026.

Tue 24/28:10 p.m.
YXU
-
YOW
2 stops17h 51m
Multiple Airlines
Tue 3/35:45 p.m.
YOW
-
YXU
1 stop12h 50m
Multiple Airlines
Deal found 27/1C$ 500
Tue 24/28:10 p.m.
YXU
-
YOW
1 stop28h 30m
WestJet
Tue 3/35:45 p.m.
YOW
-
YXU
1 stop12h 50m
WestJet
Deal found 27/1C$ 544
Wed 18/28:10 p.m.
YXU
-
YOW
2 stops28h 29m
WestJet
Wed 25/25:40 a.m.
YOW
-
YXU
2 stops24h 55m
WestJet
Deal found 28/1C$ 563
Thu 4/66:15 a.m.
YXU
-
YOW
1 stop11h 05m
WestJet
Sun 7/61:20 p.m.
YOW
-
YXU
1 stop27h 45m
WestJet
Deal found 27/1C$ 582
Wed 18/28:10 p.m.
YXU
-
YOW
1 stop18h 12m
Multiple Airlines
Wed 25/26:55 p.m.
YOW
-
YXU
1 stop11h 40m
Multiple Airlines
Deal found 28/1C$ 676
Thu 5/28:10 p.m.
YXU
-
YOW
2 stops18h 35m
Multiple Airlines
Tue 17/25:40 a.m.
YOW
-
YXU
3 stops24h 55m
Multiple Airlines
Deal found 27/1C$ 710
Fri 6/27:30 a.m.
YXU
-
YOW
1 stop30h 47m
Multiple Airlines
Tue 10/25:40 a.m.
YOW
-
YXU
2 stops24h 55m
Multiple Airlines
Deal found 27/1C$ 717

Find flight deals from London to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 January 2026.

Round-trip from

C$ 500

One-way from

C$ 314

Popular in

December

Cheapest in

November

Average price

C$ 1,169
WestJet
  • WestJet
  • 24/2-3/3
  • 3 total stops
  • 30h 41m total
  • London to Ottawa
Search Deals
17/2
  • 17/2
  • 3 total stops
  • 24h 44m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from London to Ottawa that are best for you.

Fly from

London

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 24/2

8:10 p.m.-2:01 p.m.

2 stops17h 51m

Ottawa

Tue 3/3

5:45 p.m.-6:35 a.m.

1 stop12h 50m

C$ 500

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 24/2

8:10 p.m.-12:40 a.m.

1 stop28h 30m

Ottawa

Tue 3/3

5:45 p.m.-6:35 a.m.

1 stop12h 50m

C$ 544

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 4/6

6:15 a.m.-5:20 p.m.

1 stop11h 05m

Ottawa

Sun 7/6

5:55 a.m.-1:45 p.m.

2 stops7h 50m

C$ 544

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 18/2

8:10 p.m.-2:22 p.m.

1 stop18h 12m

Ottawa

Wed 25/2

5:40 a.m.-6:35 a.m.

2 stops24h 55m

C$ 563

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 18/2

8:10 p.m.-12:39 a.m.

2 stops28h 29m

Ottawa

Wed 25/2

5:40 a.m.-6:35 a.m.

2 stops24h 55m

C$ 563

LondonOttawa

YXU - YOW

YXUYOW

London

Sun 8/2

8:10 p.m.-8:25 a.m.

2 stops36h 15m

Ottawa

Tue 10/2

5:45 p.m.-6:35 a.m.

1 stop12h 50m

C$ 753

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 4/6

12:20 p.m.-5:10 p.m.

1 stop4h 50m

Ottawa

Sun 7/6

7:00 a.m.-11:43 a.m.

1 stop4h 43m

C$ 758

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 17/2

8:10 p.m.-8:54 p.m.

3 stops24h 44m

C$ 314

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 17/2

8:10 p.m.-12:39 a.m.

2 stops28h 29m

C$ 327

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 11/2

8:10 p.m.-4:58 p.m.

2 stops20h 48m

C$ 333

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

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

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

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Ottawa (average of C$ 98). Flying from London, Ontario to Ottawa in August is currently the most expensive (average of C$ 189). 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.

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 29 January 2026.
Get a feel of what it's like to fly with WestJet and Air Canada from London to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,251 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

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
3,251 reviews
WestJet
7.2
Good
3,251 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

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
7.1
Good
10,666 reviews
WestJet
7.2
Good
3,251 reviews
Check prices

Crew

7.9

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

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

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.

  • How long is the flight from London, Ontario to Ottawa?

    WestJet can get you from London, Ontario to Ottawa in just under 28h 30m. Your travel time can differ by up to . The distance between London, Ontario and Ottawa is about 505 km.

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

    WestJet, at C$ 334, 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 63% 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, February is the cheapest month in which you can book a flight from London, Ontario to Ottawa (average of C$ 98). Flying from London, Ontario to Ottawa in August is currently the most expensive (average of C$ 189). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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Alternative routes for London to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from London to Ottawa

Discover the top 2 airlines that operate flights from London to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 334AverageC$ 594FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 530AverageC$ 912FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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?

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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