Flights from London to Portugal

Flights tailored to your budget

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New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

The best flights from London to Portugal

With Jetcost you have immediate access to a wide range of deals from airlines and online travel agencies , prices for dates on and around your ideal date, and much more! Don't miss your chance to book your flight from London to Portugal at the best price with Jetcost.

We compare offers from over 600 airlines to find the one that suits you: low-cost flights, last minute offers, and special travel agency promotions. Compare airfares from London to Portugal and find the best deal for your low-cost flight.

All flight deals from London to Portugal

Don't waste time and compare thousands of low cost flight offers from the best online travel agencies and airlines within seconds. Jetcost records offers from over 600 airlines and agencies and shows you the best results for your search, starting with the cheapest flight. With Jetcost you can also get flight prices from London to Portugal for dates near the one selected. If your travel dates are flexible, you can find even better deals and even cheaper flights.