Ten months ago London startup Duffel hinted that it would be “a new way to book travel online, aiming at the booking experience ‘end to end’”, and announced a healthy $4.7M funding round, but not much else.

Today it goes further, announcing a $21.5m in Series A funding from US VC giant Benchmark,  which also backed Snap, Twitter  and Uber. Benchmark is joined by Blossom Capital and Index Ventures, who participated in Duffel’s $4.7m seed round last year.

With this news, we at least get a little more detail. It will be a B2B offering, allowing individual travel agents to large online travel management companies and tour operators to offer a “seamless travel experience” to their end customers, making the booking experience simpler, faster and cheaper.

Continued on source.