This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight departing on Invalid Date. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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When to book flights from Sarnia to London
Estimated round-trip price
Average price per month
Flight prices as travel date approaches
FAQs for booking flights from Sarnia to London
For Sarnia to London, Wednesday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from London back to Sarnia, the best deals are generally found on Wednesday, with Wednesday being the most expensive.
There are no direct flights connecting Sarnia to London.
We unfortunately don’t have that data for this specific route.
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sarnia to London.
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Sarnia is likely to change within 7 days, so travelers know whether to wait or book now.
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Sarnia with another airline.
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Sarnia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.