- Must visit
USS Midway Museum
A large aircraft carrier museum on the waterfront with restored aircraft, flight deck views, and naval history exhibits. One of the city’s signature attractions.
Omio recommends booking the bus as it is the most popular option from Cupertino, CA to San Diego, CA among Omio's users. If you are prioritising price take the bus with prices starting from $97. For those with little time consider booking a flight which can get you there in 1h 26m. The ticket price range depends on the travel mode: a bus costs an average of $97, and a train costs an average of $122.
Distance: 421 miles (678 km)
Most popular Bus | Flight | Train | Driving |
|---|---|---|---|
$113 Average price Cheapest | $228 Average price | $237 Average price | $96 Average price (fuel + tolls) |
11h 10m Average total duration 10h 40m Onboard + 30m Additional time* | 4h 26m Average total duration Fastest 1h 26m Onboard + 3h 0m Additional time* | 14h 55m Average total duration 14h 25m Onboard + 30m Additional time* | 7h 10m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Cupertino, CA to San Diego, CA:
A bus is $114 (€92) less than a flight for this route with tickets for a flight from Cupertino, CA to San Diego, CA costing on average $228 (€184).
A bus is $124 (€100) less than a train for this route with tickets for a train from Cupertino, CA to San Diego, CA costing on average $237 (€192).
Other travel options to San Diego, CA take longer:
Bus takes on average 10h 40m.
Train takes on average 14h 25m.
You'll arrive about -4h -30m sooner (10h 40m by bus vs 7h 10m by car) and save roughly $-17.02 (€-13.77) compared to fuel and tolls ($113 (€92) vs $96 (€78)). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by FlixBus.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Amtrak | Departure Time 01:00AM | Arrival Time 12:35PM | Duration 11h35 | Departure days Tue, Fri | Cheapest price $112 |
Operator Greyhound | Departure Time 12:35PM | Arrival Time 06:50AM | Duration 18h15 | Departure days Fri | Cheapest price $97 |
Operator Infobus | Departure Time 01:00PM | Arrival Time 12:35AM | Duration 11h35 | Departure days Fri | Cheapest price $130 |
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Cupertino, CA to San Diego, CA run on average 18 times per day, taking around 10h 40m. Cheap bus tickets for this journey start at $97 (€79) if you book in advance.
There are 4 buses per day. The earliest bus runs at 04:01, the last at 21:25. The fastest bus covers the 421 miles (678 km) distance in 11h 35m.
Distance 421 miles (678 km) |
Average bus duration 10h 40m |
Cheapest ticket price $97 (€79) |
Buses per day 18 |
Direct buses 4 |
Fastest bus 11h 35m |
First bus 4:01 AM |
Last bus 9:25 PM |
Cheapest Month Aug |
Cheapest Day Wed |
High Season Apr - Jun |
Low Season Oct - Dec |
Discover the best of San Diego — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Diego trip today.
A large aircraft carrier museum on the waterfront with restored aircraft, flight deck views, and naval history exhibits. One of the city’s signature attractions.
Balboa Park’s major art museum, known for European old masters, Asian art, and rotating exhibitions in a landmark Spanish Colonial Revival building.
Contemporary art museum with strong regional and international programming, especially noted for its oceanfront La Jolla location and modern exhibitions.
San Diego’s flagship urban park, packed with gardens, museums, Spanish Colonial architecture, plazas, and highly photogenic walking paths.
A scenic coastal area known for sea lions, cliffs, turquoise water, and one of the city’s most photographed ocean viewpoints.
The city’s best-known historic downtown district, lined with Victorian-era buildings, lively streets, and a strong day-to-night atmosphere.
Beer-battered or grilled fish in a tortilla, usually topped with cabbage, crema, and salsa. A signature San Diego favorite shaped by Baja California influence.
A San Diego staple burrito filled with carne asada, fries, cheese, and salsa. It is one of the city’s most iconic late-night and taqueria foods.
French fries topped with carne asada, cheese, guacamole, sour cream, and salsa. This indulgent border-style dish is strongly associated with San Diego taco shops.
Established waterfront seafood restaurant in Point Loma known for fresh local catch, fish sandwiches, and harbor views.
Legendary casual spot in Barrio Logan known for traditional Mexican plates, handmade tortillas, and an old-school local atmosphere.
Popular casual venue celebrated for fish tacos, smoked fish tacos, and fresh coastal Baja-style seafood in a laid-back setting.
San Diego is pricey by U.S. standards, especially for hotels and dining, though tacos, casual eats, and happy hours can help keep daily costs lower.
Tip 18-20% at restaurants; 20%+ for great service. USD 1-2 per drink at bars, round up or 10-15% for taxis, and USD 2-5 nightly for hotel housekeeping.
Find answers to the most common questions about traveling from Cupertino, CA to San Diego, CA by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at San Diego, CA, this guide helps you travel smarter and with confidence.

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