Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Porter Airlines
Cheapest Month October
Cheapest Day of the Week Wednesday
Cheapest Airline Porter Airlines

The cheapest airline(s) flying from Ottawa to London is Porter Airlines.

  • Porter Airlines Porter Airlines
  • Air Transat Air Transat
  • Air Canada Air Canada
  • Austrian Airlines Austrian Airlines
  • Lufthansa Lufthansa
  • KLM KLM
  • Swiss Swiss
  • Air France Air France
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • United Airlines United Airlines
Cheapest Month October

Travel Period: April 2025 - March 2026

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

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

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

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
What’s the most popular airline flying from Ottawa to London?

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

How far is London from Ottawa?

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