LHR → SFO
Business class
London to San Francisco — hybrid booking guide.
Direct cash fare: $4,549. Best hybrid: $3,531 + 16.5K Avios. Save $1,018 cash.
Booking strategies compared
#1
Direct cash
$4,549
#2
Avios via Dublin
Hybrid
BA Avios LHR→DUB (16.5K + $19 tax) + TAP Portugal DUB→SFO ($3,516)
$3,531
+ 16,500 Avios
Positioning flight options
Use cheap award flights to reposition to a hub with cheaper onward fares.
Via DUB
16,500 Avios + $19 tax
DUB→SFO $3,516 (TAP Portugal)
Tips for this route
- BA Avios at 52K off-peak direct is likely the better option here
- Hybrid via Dublin saves $1,018 but the DUB→SFO cash leg is still expensive
- Consider flying via LAX if more flexible — LAX has more competition
Frequently asked questions
What is the cheapest business class London to San Francisco?
BA Avios 52K direct is the best value. Hybrid via Dublin: 16.5K Avios + $3,531 saves $1,018 vs $4,549 direct cash.
Split ticket warning
Hybrid bookings use separate tickets. If your positioning flight is delayed and you miss the onward leg, the second airline won't rebook you. Allow at least 4 hours between legs and carry hand luggage only.
Search live hybrid availability
Ask the agent to find the cheapest hybrid combination for any route and date.