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Upgrade
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Special diets and food allergies
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Before your flight
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Special assistance and health
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Special assistance
Wheelchairs, other mobility aids and medical devices
Assistance dogs
Travelling while pregnant
Children travelling alone and young travellers
Travel documents
Travel documents to the USA, UK, Canada and Australia
Travel requirements for your trip
Travelling with multiple airlines
Travel & fly
Sustainability in travel
Contribute to sustainable aviation fuel
Tips for sustainability
Inclusive and accessible journeys
Sustainability work at Finnair
Check-in for Finnair flights
Check-in in advance
Check-in at the airport
Bag Drop
Travelling at Helsinki Airport
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Upgrade your travel class
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Collect and use Avios
Collect Avios and tier points from flights
Collect Avios from partner services
Use Avios on Finnair award flights
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Transfer Avios between loyalty programmes
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From
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(SYD)
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United Kingdom.
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Popular flights and flight offers from Sydney to London
SYD – LHR
Sydney - London
Fri 13 Nov 2026 – Mon 23 Nov 2026
From
2,178 AUD
Book now
Our cheapest flights from Sydney to London
Date
Price (low to high)
Price (high to low)
SYD – LHR
Sydney - London
Fri 13 Nov 2026 – Mon 23 Nov 2026
From
2,178 AUD
Book now
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