01
A bounded scan
Choose 4, 8, or at most 16 live fare checks. The search never expands silently in the background.
Europe-first route intelligence
Your cheapest flight might start somewhere else.
RoatZero compares the airports around Europe—and the train or coach that gets you there—to uncover routes ordinary flight search misses.
Live Duffel flight fares4-check default budgetEstimates always labelled
The simple idea
Don’t search harder.
Start smarter.
A €60 train to another airport can unlock a flight that is hundreds cheaper. RoatZero puts the full journey, extra time, and transfer risk in one honest comparison.
Price first
Rank the complete trip, not a disconnected flight.
Ground included
Train and coach legs appear as clearly marked estimates.
Risk in the open
Separate tickets and baggage changes never hide in fine print.
Illustrative route
Frankfurt → Tokyo
Usual search
Fly from Frankfurt
€720
14h · one flight
RoatZero find
Train to Milan, then fly
€451
22h · separate tickets
Frankfurt → MilanGround fare estimate€62Milan → TokyoLive flight fare when searched€389
Example only. Live prices vary by date and availability; RoatZero labels the source of every amount.
Built for trust
One screen. Every important trade-off.
02
Whole-trip math
Compare the live flight with ground-access estimates, total duration, baggage, and transfer buffers.
03
No false precision
Live, sandbox, timetable, and estimated data are labelled separately so you know what can be trusted.