How to Get to Big Bear From San Diego [2025-2026 Guide]
Plan your trip from San Diego to Big Bear Lake in 2025–2026. Drive 145 miles in 3 hours, or explore train, bus, and shuttle options with costs, times, and travel tips.
The best way to get to Big Bear Lake from San Diego is by driving about 145 miles (3–3.5 hours) via I-15 North and CA-18. Public transport options include Amtrak + shuttle connections, but driving is the fastest and most flexible way, especially for ski trips and mountain getaways.
🚗 Driving From San Diego to Big Bear Lake
Driving is the most convenient option for reaching Big Bear. From downtown San Diego, take I-15 North, then CA-210 East, and finally CA-330 or CA-18 into Big Bear.
- Distance: ~145 miles
- Time: 3–3.5 hours (depending on traffic)
- Cost: ~$25–$40 (gas + parking)
This route offers flexibility to stop at scenic spots along the way. In winter, carry snow chains since Big Bear is a high-elevation mountain area.
🚆 Train + Shuttle Combo
If you don’t want to drive, you can take the Amtrak Pacific Surfliner from San Diego to San Bernardino (via a transfer in Los Angeles), then connect to a Big Bear shuttle or local bus.
- Time: 6–7 hours total
- Cost: $40–$70 (train + shuttle)
- Best for travelers without a car who want a scenic ride.
🚌 Bus From San Diego to Big Bear
Direct buses aren’t available, but you can combine services:
- Take Greyhound or FlixBus from San Diego to San Bernardino.
- Transfer to a Mountain Transit bus or shuttle into Big Bear.
- Time: 6–8 hours
- Cost: $35–$60
- More budget-friendly, though longer than driving.
✈️ Flying + Shuttle Option
While Big Bear has a small airport, it doesn’t handle commercial flights. Instead, you can:
- Fly from San Diego (SAN) to Ontario International Airport (ONT).
- Take a rental car or Big Bear shuttle from ONT (about 1.5–2 hours).
- Time: 4–5 hours total
- Cost: $120–$200 (flight + shuttle/rental)
- Great option if you want to avoid long drives.
✨ Summary of Travel Options
| Option | Time | Cost (Approx.) | Best For |
|---|---|---|---|
| Drive (via I-15 & CA-18) | 3–3.5 hrs | $25–$40 | Fastest, most flexible |
| Train + Shuttle | 6–7 hrs | $40–$70 | Car-free scenic trip |
| Bus (via San Bernardino) | 6–8 hrs | $35–$60 | Budget travelers |
| Flight + Shuttle (via ONT) | 4–5 hrs | $120–$200 | Avoiding long drives |
🏔️ Why Visit Big Bear From San Diego?
Big Bear Lake is a year-round mountain escape just a few hours from San Diego. In winter, visitors flock for skiing and snowboarding at Bear Mountain and Snow Summit. In summer, Big Bear offers hiking, mountain biking, fishing, and boating. The quick drive makes it perfect for weekend getaways or holiday trips.
🔎 FAQs About Getting to Big Bear From San Diego
Q1: How long is the drive from San Diego to Big Bear?
About 145 miles, taking 3–3.5 hours under normal traffic conditions.
Q2: Do I need snow chains for Big Bear in winter?
Yes, snow chains are often required during snowy months—check Caltrans before traveling.
Q3: Is there public transportation to Big Bear from San Diego?
Yes, via Amtrak or bus to San Bernardino with shuttle connections, though it’s slower than driving.
Q4: What’s the nearest major airport to Big Bear?
Ontario International Airport (ONT) is the closest, about 1.5–2 hours away by car.
Q5: Can I do a day trip from San Diego to Big Bear?
Yes, but expect 6–7 hours of round-trip driving. Staying overnight is recommended for a more relaxed trip.