- Must visit
USS Midway Museum
A large aircraft carrier museum on the waterfront with restored aircraft, flight deck exhibits, and naval history. One of the city's most visited cultural attractions.
Cheapest price
$110
Average price
$110
Fastest journey
11 h 35 m
Average duration
11 h 35 m
Buses per day
1
Distance
678 km
The best way to find a cheap bus ticket from Cupertino, CA to San Diego, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cupertino, CA to San Diego, CA will cost around $110 if you buy it on the day, but the cheapest tickets can be found for only $110.
Of the 1 buses that leave Cupertino, CA for San Diego, CA on Fri, Jul 10, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Jul 10 the direct buses cover the 678 km distance in an average of 11 h 35 m but if you time it right, some buses will get you there in just 11 h 35 m .
On Fri, Jul 10 the slowest buses will take 11 h 35 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Omio recommends booking the flight 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 $95. 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 $95, and a train costs an average of $120.
Distance: 421 miles (678 km)
| Bus | Most popular Flight | Train | Driving |
|---|---|---|---|
$112 Average price Cheapest | $224 Average price | $233 Average price | $95 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 $112 (€92) less than a flight for this route with tickets for a flight from Cupertino, CA to San Diego, CA costing on average $224 (€184).
A bus is $122 (€100) less than a train for this route with tickets for a train from Cupertino, CA to San Diego, CA costing on average $233 (€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 $-16.73 (€-13.77) compared to fuel and tolls ($112 (€92) vs $95 (€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 $110 |
Operator Greyhound | Departure Time 12:35PM | Arrival Time 06:50AM | Duration 18h15 | Departure days Fri | Cheapest price $95 |
Operator Infobus | Departure Time 01:00PM | Arrival Time 12:35AM | Duration 11h35 | Departure days Fri | Cheapest price $128 |
The table below shows live departures for Cupertino, CA to San Diego, CA buses for tomorrow, Thursday, July 9. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 1:00 AM Cupertino, CA | 11h35 | 12:35 PM San Diego, CA | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
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 $95 (€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 $95 (€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 exhibits, and naval history. One of the city's most visited cultural attractions.
Balboa Park's flagship art museum, known for European old masters, South Asian art, and major rotating exhibitions in a landmark Spanish Colonial building.
Contemporary art museum with a major La Jolla campus and strong collection of postwar and current works, plus ocean-view architecture and installations.
San Diego's signature urban park, filled with gardens, plazas, museums, and Spanish Colonial architecture. It is one of the city's essential places to explore.
A scenic coastal area known for sea lions, turquoise water, dramatic cliffs, and some of the most photographed ocean views in San Diego.
A popular waterfront walking area with bay views, promenades, and public spaces near downtown, especially appealing at sunset and on casual strolls.
Baja-style fish tacos are a San Diego staple, usually made with battered or grilled local fish, cabbage, crema, and salsa in a corn tortilla.
A classic San Diego burrito filled with carne asada, fries, cheese, and salsa, reflecting the city’s Mexican borderland food culture.
A beloved local late-night dish of fries topped with carne asada, cheese, guacamole, sour cream, and salsa.
An iconic casual spot in Barrio Logan known for house-made tortillas, rice, beans, and traditional Mexican plates with a no-frills atmosphere.
A long-running waterfront seafood market and eatery loved for fresh fish sandwiches, chowder, and a classic San Diego harbor setting.
A popular casual restaurant serving upscale fried chicken, sandwiches, and local beers in a lively indoor-outdoor setting.
San Diego is pricey by U.S. standards, especially for hotels and dining near beaches and downtown.
Tip 18-20% at restaurants; 20%+ for great service. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff USD 2-5.
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.

Most Cupertino, CA to San Diego, CA buses use the San José, Cahill Street (Diridon Station) to San Diego, Congress Street (Old Town Park) station pair, with some services arriving at San Diego, San Ysidro Transit Center. Use this guide to compare Cupertino, CA and San Diego, CA bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Here are some other resources that might have the information you need