Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Air Transat

The cheapest airline(s) flying from London to Ottawa is Air Transat.

  • Air Transat Air Transat
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • KLM KLM
  • Lufthansa Lufthansa
  • Air Canada Air Canada
  • Air France Air France
  • LOT Polish Airlines LOT Polish Airlines
  • United Airlines United Airlines
  • Austrian Airlines Austrian Airlines
  • Swiss Swiss
Cheapest Month September

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from London to Ottawa is September.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Saturday

The cheapest day(s) of the week to fly from London to Ottawa is Saturday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

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    • Airline Filter by Airline
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      • Availability
        • M
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        • F
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        • S
      • 08:00 LHR
        16:16 YOW
        13Hrs, 16m 1 Stop (EWR)
      • LHRLondon Heathrow Airport 08:00 - YOW 16:16 13h 16m 1 Stop (EWR) New York City
      • LHRLondon Heathrow Airport 08:00
        EWRNewark Liberty International Airport 14:40
      • EWRNewark Liberty International Airport 11:20
        YOWOttawa McDonald Cartier Intl Airport 16:16
      • 13h 16m (3h 20m)
      • 1 Stop EWR · New York City 3h 20m
      • United Airlines (UA 883)Boeing 767
        United Airlines (UA 3660)Embraer 175
      • United Airlines (UA 883)
        • M
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        • T
        • F
        • S
        • S
      • 09:00 LHR
        16:56 YOW
        12Hrs, 56m 1 Stop (YHZ)
      • LHRLondon Heathrow Airport 09:00 - YOW 16:56 12h 56m 1 Stop (YHZ) Halifax
      • LHRLondon Heathrow Airport 09:00
        YHZHalifax Stanfield International Airport 15:35
      • YHZHalifax Stanfield International Airport 12:00
        YOWOttawa McDonald Cartier Intl Airport 16:56
      • 12h 56m (3h 35m)
      • 1 Stop YHZ · Halifax 3h 35m
      • Air Canada (AC 869)Boeing 737 Max 8 Passenger
        Air Canada (AC 2287)Dehavilland Dash 8 400
      • Air Canada (AC 869)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 09:10 LHR
        16:16 YOW
        12Hrs, 06m 1 Stop (EWR)
      • LHRLondon Heathrow Airport 09:10 - YOW 16:16 12h 06m 1 Stop (EWR) New York City
      • LHRLondon Heathrow Airport 09:10
        EWRNewark Liberty International Airport 14:40
      • EWRNewark Liberty International Airport 12:40
        YOWOttawa McDonald Cartier Intl Airport 16:16
      • 12h 06m (2h)
      • 1 Stop EWR · New York City 2h
      • United Airlines (UA 905)Boeing 767
        United Airlines (UA 3660)Embraer 175
      • United Airlines (UA 905)
        • M
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        • W
        • T
        • F
        • S
        • -
      • 15:00 LHR
        22:08 YOW
        12Hrs, 08m 1 Stop (YUL)
      • LHRLondon Heathrow Airport 15:00 - YOW 22:08 12h 08m 1 Stop (YUL) Montréal
      • LHRLondon Heathrow Airport 15:00
        YULMontreal Pierre Elliott Trudeau Int Airport 21:20
      • YULMontreal Pierre Elliott Trudeau Int Airport 17:40
        YOWOttawa McDonald Cartier Intl Airport 22:08
      • 12h 08m (3h 40m)
      • 1 Stop YUL · Montréal 3h 40m
      • Air Canada (AC 865)Airbus Industrie 330 300
        Air Canada (AC 8015)Dehavilland Dash 8 400
      • Air Canada (AC 865)
        • M
        • -
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        • F
        • -
        • S
      • 15:00 LHR
        22:12 YOW
        12Hrs, 12m 1 Stop (YUL)
      • LHRLondon Heathrow Airport 15:00 - YOW 22:12 12h 12m 1 Stop (YUL) Montréal
      • LHRLondon Heathrow Airport 15:00
        YULMontreal Pierre Elliott Trudeau Int Airport 21:20
      • YULMontreal Pierre Elliott Trudeau Int Airport 17:40
        YOWOttawa McDonald Cartier Intl Airport 22:12
      • 12h 12m (3h 40m)
      • 1 Stop YUL · Montréal 3h 40m
      • Air Canada (AC 865)Airbus Industrie 330 300
        Air Canada (AC 1989)Airbus
      • Air Canada (AC 865)
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      What’s the most popular airline flying from London to Ottawa?

      The most popular airline flying from London to Ottawa is WestJet. Find the latest flight deals on Wego.

      How far is Ottawa from London?

      The flight distance between London and Ottawa is 5361km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 08:00. The last flight of the day departs at 08:00. See the full list of flight times on Wego.

      Popular Airlines Flying From London to Ottawa

      WestJet ‏()

      Popular Destinations From Ottawa

      Popular Destinations From London

      Popular Hotels in Ottawa

      Hotels In Popular Destinations