Route Comparisons (Spain & Portugal)
Door-to-door time, typical cost, and CO₂e — with transparent assumptions.
Updated: 2026 Methodology
Madrid ↔ Barcelona — Train vs Flight
A decision-ready comparison of door-to-door time, cost, and (CO₂e)
Train vs Flight — Spain (core routes)
Compare time, total cost, and CO₂e across Spain’s most-booked city pairs—using real route assumptions and transparent math.
🟢 Live
Train vs Flight — Portugal
See when rail beats flying in Portugal on door-to-door time, total cost, and emissions—route by route.
🟢 Live
Madrid ↔ Seville — Train vs Flight
A comparison of AVE vs flying on one of Spain’s busiest southbound routes.
Coming later
Lisbon ↔ Porto — Train vs Flight
The definitive comparison of train vs flight for Portugal’s busiest corridor—time, cost, CO₂e, and the most realistic choice.
Coming later
Spain vs Portugal — Trip cost & carbon (framework)
A decision framework to estimate which country is cheaper and lower-carbon for your trip style—without guesswork.
Coming later
Car vs Train — short regional routes
Find when driving is actually worse or better than rail on emissions and total time—especially for short regional trips.
Coming later
Methodology
How these comparisons work:
Comparisons use representative travel times, typical price ranges, and published emission factors.
Assumptions are documented on each page.
Comparisons are updated quarterly
- Sources
- Update cadence
- Assumptions
- Accuracy
Comming soon …
🚆 ✈️ Travel Decision Tool
Answer a few questions to find your best travel option
1 Is there a direct train under 2.5 hours?
2 Do I need to work or want to relax?
3 Am I going to islands or northern Spain?
4 Booking last minute on a budget?
5 Carrying lots of luggage?
🚆 RECOMMENDATION: Take the TRAIN
Based on your answers, the train is your best option!
- Flights are often banned for short distances
- Better for work or relaxation
- Train stations are easier with luggage
✈️ RECOMMENDATION: FLY without second-guessing
Based on your destination, flying is the clear choice!
- Islands and northern Spain are better reached by air
- Often faster for remote destinations
🔍 RECOMMENDATION: Check BOTH options
For last-minute budget bookings, compare train and flight prices.
- Check budget airlines for last-minute sales
- Compare with train ticket prices
- Sometimes flight sales beat last-minute train prices
🤔 RECOMMENDATION: Consider both options
Compare train and flight options based on these factors:
- Environmental impact (train is greener)
- Total door-to-door travel time
- Current prices for both options
- Personal preference for comfort
📋 Quick Decision Guide
🚆 TRAIN when:
- Direct train < 2.5 hours
- Need to work/relax
- Carrying lots of luggage
- Want less stress
✈️ FLY when:
- Going to islands/northern Spain
- Long distances
- Time is critical
🔍 CHECK BOTH when:
- Booking last minute on budget
- Prices are fluctuating
- Flexible on timing