A method for processing travel bids via blockchain includes: receiving an itinerary request including a travel itinerary comprised of reservation requests, each reservation request including a type identifier and reservation details; transmitting a blockchain transaction to a blockchain network for each reservation requests, the transaction including the reservation details and a unique identifier; receiving merchant bid for each reservation request, wherein each merchant bid includes a bid amount and additional bidding details; identifying a winning bid for each reservation request based on the bid amount and additional bidding details included in each corresponding merchant bid; and transmitting a new blockchain transaction to the blockchain network for each reservation request, wherein the blockchain transaction includes the unique identifier and indicates unavailability of the corresponding reservation request.