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Cheap flights from London, ON to Ottawa from C$ 280

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YOW
24 Feb — 3 Mar1
1 adult

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

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 19 February 2025.

Round-trip from

C$ 563

One-way from

C$ 280

Popular in

December

Cheapest in

October

Average price

C$ 975
WestJet
  • WestJet
  • 5/6-8/6
  • 2 total stops
  • 20h 44m total
  • London to Ottawa
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WestJet
  • WestJet
  • 3/5
  • 1 total stop
  • 10h 45m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 125 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 22 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 19 February 2025.

Thu 5/68:00 p.m.YXU - YOW
1 stop10h 45mWestJet
Sun 8/67:15 p.m.YOW - YXU
1 stop9h 59mWestJet
Deal found 17/2C$ 563
Thu 5/66:00 a.m.YXU - YOW
2 stops18h 21mMultiple Airlines
Sun 8/612:20 p.m.YOW - YXU
3 stops16h 54mMultiple Airlines
Deal found 17/2C$ 660
Tue 25/39:55 a.m.YXU - YOW
1 stop3h 28mAir Canada
Wed 26/310:05 a.m.YOW - YXU
1 stop4h 36mAir Canada
Deal found 17/2C$ 938

Find flights from London to Ottawa within your budget

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 19 February 2025.

Fly from

London

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 5/6

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

1 stop10h 45m

Ottawa

Sun 8/6

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

1 stop9h 59m

C$ 563

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 5/6

6:00 a.m.-12:21 a.m.

2 stops18h 21m

Ottawa

Sun 8/6

12:20 p.m.-5:14 a.m.

3 stops16h 54m

C$ 660

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 25/3

9:55 a.m.-1:23 p.m.

1 stop3h 28m

Ottawa

Wed 26/3

10:05 a.m.-2:41 p.m.

1 stop4h 36m

C$ 938

LondonOttawa

YXU - YOW

YXUYOW

London

Sat 3/5

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

1 stop10h 45m

C$ 280

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 20/3

8:00 p.m.-3:05 p.m.

2 stops19h 05m

C$ 412

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 20/3

3:20 p.m.-6:12 p.m.

1 stop2h 52m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

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, 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 February 2025.

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 March is currently the most expensive (average of C$ 329). 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?

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 19 February 2025.

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?

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.

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

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

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

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 19 February 2025.
See what other customers who have flown with WestJet and Air Canada from London to Ottawa have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,798 reviews
Check prices

Food

6.2

Boarding

7.4

Overall

7.2

Comfort

7.1

Entertainment

6.1

Crew

7.9

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
2,798 reviews
WestJet
7.2
Good
2,798 reviews
Check prices

Food

6.2

Boarding

7.4

Overall

7.2

Comfort

7.1

Entertainment

6.1

Crew

7.9

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
8,746 reviews
WestJet
7.2
Good
2,798 reviews
Check prices

Food

6.2

Boarding

7.4

Overall

7.2

Comfort

7.1

Entertainment

6.1

Crew

7.9

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.

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

    WestJet, at C$ 563, 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 42% 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 March is currently the most expensive (average of C$ 329). 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 London?

Book flights to London if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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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 airline flying from London to Ottawa

Discover the top airline 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 19 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 528AverageC$ 990FlexibilityNo 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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