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Flights from London to Ottawa

Cheap flight deals from London to Ottawa

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | London to Ottawa

Cheapest one-way flight price AED 644
Off-season for travel June
Peak season for travel April
Flight distance 505.5 km
Popular airline WestJet

When is the cheapest time to fly from London to Ottawa?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
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  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from London (YXU) to Ottawa (YOW) the cheapest?

    Airlines adjust prices for flights from London to Ottawa based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from London (YXU) to Ottawa (YOW) cost?

    According to Trip.com's data, the lowest price is around AED 1,543.

  • How many airports are there in Ottawa (YOW)?

    There are 2 airport(s) near Ottawa (YOW): Gatineau-Ottawa Executive Airport and Ottawa International Airport.

How to find a cheap flight from London to Ottawa

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Ottawa. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest London to Ottawa ticket.
Tap "Date" on flight search bar to scan through the calender for London to Ottawa airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Jul 21 at AED 645 for one-way flights.
2
Compare cheap London to Ottawa flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from London to Ottawa. The cheapest airline operating is Flair Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your London to Ottawa route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap London to Ottawa flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from London to Ottawa to get exclusive deals for you.

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