When comparing Kiwi.com vs Flystein, the Slant community recommends Kiwi.com for most people. In the question“What are the best travel search engines?” Kiwi.com is ranked 4th while Flystein is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Allows mixed airlines on the same flight
Pro Supports complex search queries
It's possible to search flights with queries like 'Depart from within either 250 km of Manchester, or from France, leaving on a Friday night during the summer, flying to anywhere (the cheapest destination) reachable with a direct flight, and return after 3 to 5 nights'.
Pro Very good refund policy
If Flystein can't find you a flight that is cheaper than the initial price that you found by at least the amount they take in fees, they will not charge you anything for their service.
Pro Fast and helpful service
Pro Good savings
Pro Professional advice
Flystein agents seem to be extremely experienced in travelling. They will never let you take a risk to have too short break before the connecting flight.
Pro Affordable fee
You definitely save more than you have paid for the service.
Cons
Con Poor customer support
Online chat never seams to be available and almost always on hold when calling support.