Almost every UK traveller heading for France, or beyond into Europe, faces the question: fly, or drive across on the ferry? The answer depends less on any single ticket price than on the sums behind it — who's coming, what's coming with you, and what happens at the other end. These are the factors that actually decide it.
The Five Deciding Factors
How the ferry stacks up against flying — point by point:
Total cost: the family maths
A budget flight looks cheap — until bags, seat selection, airport transfers, parking and the hire car in France pile on. The ferry charges per vehicle, not per person: from £39 per person with a car, and from the third traveller onwards the crossing almost always undercuts four air fares plus a hire car. For families and groups, that's the game-changer.
Real travel time: door to door counts
A 70-minute flight becomes 5–6 hours in reality: airport run, 2-hour check-in buffer, baggage reclaim, hire-car queue. From the South East, Calais is 3–4 hours door to door including the crossing — and you land already sitting in your own car. The further your trip goes beyond Paris, the more the flexibility pays.
Luggage & flexibility: the boot factor
On the ferry there are no luggage limits: bikes, buggies, camping kit, the dog, the wine haul on the way home — it all just comes along. Add up to 31 daily sailings instead of fixed flight slots, and changes are straightforward. On a plane, every kilo costs.
Comfort en route: space vs squeeze
Ninety minutes on the ferry means a restaurant, open deck, stretching your legs, kids burning energy. The flight is shorter but rarely more restful once security, boarding and row 28 are counted. Worried about seasickness? The Strait is usually calm and the big ships sit steady in the water.
CO2 & arrival: the rest of the sums
Per person, a short-haul flight emits substantially more CO2 than a ferry crossing in a well-filled car. And once in France, your own car makes you instantly mobile — the Opal Coast, Normandy, the autoroutes south, no rental desk in sight. Only a pure city break in Paris genuinely favours the plane (or the train).
Calais–Dover ferry from £39 per person
31 daily crossings · 90 minutes · compare P&O, DFDS & Irish Ferries
Compare & book your crossing →