Originally Posted by
bldr1k
2X might be the case if you buy cheap roundtrips to Europe (my last one was 45% tax). I looked at my last 4 trips:
SFO-FRA 880 Base 698 Tax
SFO-PEK 2713 Base 457 Tax
DEN FRA (through IAD) 1032 Base 693 Tax
DEN-AMS (through IAH) 1543 Base 590 Tax
This puts me at 71% for 4 international fares.
suspect you are including YQ, fuel surcharge in taxes
dummy bookings I try show SFO-FRA with $164 taxes
The UA portion is based plus YQ