How much does a 3-week European tour cost?
Three weeks to cross Europe is tight but very doable with a smart mix of train, bus and low-cost flights. This guide breaks down a 21-day tour at three spending levels (backpacker, comfort, luxury), then lays out two concrete itineraries: a classic West-South route and a less obvious Central Europe one.
How much, overall?
The numbers above cover everything except the initial flight to Europe. From France or nearby, budget around €900–€1,400 for a comfort tour (removing that long-haul flight).
- Backpacker (hostels + overnight buses/trains + street food): €1,200–€1,600.
- Comfort (3★ hotels or Airbnb, mix of fast trains + low-cost, restaurants): €2,400–€3,200.
- Luxury (4–5★, some Eurostar first class, occasional fine dining): €5,000+.
Where the money goes: typical 21-day breakdown (comfort tier)
- Intra-Europe transport (22-day Interrail Global Pass + a few low-cost flights): €600–€900.
- Accommodation (21 nights, ~€50–€70/night mid-range): €1,000–€1,500.
- Food (~€25–€35/day mixing market, street food, restaurants): €550–€750.
- Activities and museums (Louvre, Vatican, Acropolis, Alhambra…): €200–€350.
- Travel insurance, European eSIM, misc: €80–€150.
Itinerary 1: the classic West-South (Paris → Lisbon, 21 days)
- Paris (3d) → Amsterdam (2d, Thalys).
- Amsterdam → Berlin (2d, night train or Flixbus).
- Berlin → Prague (2d, 4h30 train).
- Prague → Vienna (2d, 4h train).
- Vienna → Venice (1d, night train).
- Venice → Florence (2d, 2h train).
- Florence → Rome (2d, 1h30 train).
- Rome → Barcelona (2d, 1h45 low-cost flight, ~€50).
- Barcelona → Madrid (2d, AVE 2h30).
- Madrid → Lisbon (3d, night train or low-cost flight).
Itinerary 2: Central Europe (Berlin → Athens, 21 days)
- Berlin (3d) → Prague (3d, 4h30 train).
- Prague → Kraków (2d, 7h train or 1h direct flight).
- Kraków → Budapest (2d, night train).
- Budapest → Belgrade (2d, 8h train).
- Belgrade → Sofia (1d, night train).
- Sofia → Thessaloniki (2d, 6h30 train).
- Thessaloniki → Meteora (2d, 4h train).
- Meteora → Athens (3d, 4h30 train).
- Athens → island (Mykonos or Santorini) (2d, ferry).
Interrail vs. low-cost flights: what's the right mix?
A 22-day Interrail Global Pass is €670 in 2nd class for adults (under 28: €510). It covers most trains but often requires a paid reservation (€3–€30) for TGVs, Eurostar, Italian and Spanish high-speed trains, and night trains.
For long hops or poorly connected routes (Rome ↔ Madrid, Athens ↔ Berlin), a €40–€70 low-cost flight is almost always faster and cheaper than the train alone.
The right mix: Interrail for 80% of travel in dense Europe (France, Germany, Italy, Central Europe) + 2–3 low-cost flights for the big jumps.
How to save without sacrificing the experience
- Book long-distance trains 2–3 months ahead — that's where Prem's, Super-Sparpreis, and similar fares live.
- Alternate one comfort-hotel night with two well-reviewed hostel nights to vary without blowing the budget.
- Favor restaurant lunches (€12–€18 set menus) and shop at markets or supermarkets for dinner.
- Use a European eSIM (Airalo, Holafly) instead of roaming — €10–€15 for 10 GB over 21 days.