London → Hanoi
About this deal
Cheap flights from London, UK to Hanoi, Vietnam for only £338 roundtrip.
Jetlag Impact
This route has a jetlag score of 7/10 with an estimated 3 days of recovery.
Award Flight Available
Fly this route from 34K miles in Economy via Flying Blue
About London to Hanoi
View detailed jetlag analysis, flight schedules, and travel tips for the London to Hanoi route.
Travel Dates
From source: April to June 2026
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Plan Your Trip to Hanoi
Frequently Asked Questions
When should I book London to Hanoi flights?
Flight deals like this one are time-sensitive and typically expire within 24-48 hours. This deal covers travel from April 2026 to June 2026. Set up route alerts to get notified when similar deals appear.
How bad is the jetlag from London to Hanoi?
This route typically requires about 3 days of jetlag recovery. Check the jetlag analysis above for a detailed breakdown.
Are there award flights from London to Hanoi?
Yes, award availability exists on this route. Compare miles pricing against the cash fare of $455.69 to see which option offers better value. Points redemptions can offer better value, especially in premium cabins.