Duffel, a London, UK-based travel startup, secured $4.7m in funding.
The round was led by Blossom Capital with participation from The Crankstart Foundation and Index Ventures.
The company intends to use the funds to expand the engineering team in London.
Founded by Steve Domin and Tom Bates, two former early GoCardless employees, as well as Vincent Pastor, Duffel is developing innovative solutions for some of the most complex challenges in the travel market with the plan to bring them to market in 2019.
The company is currently taking part in the summer Y Combinator program in California.