o backpacker
o back to back
o baggage allowance
o baggage check
o baggage rack
o baggage reclaim
o baggage tag
o base fare/rate
o be away on business
o bed and breakfast
o bell boy
o blackout period
o boarding pass
o book
o booking
o booking procedures
o border
o break a journey
o budget hotel
o bump
o bus pass
o business class
o business hotel
o business travel