- Must visit
USS Midway Museum
A historic naval aircraft carrier museum offering interactive exhibits and an extensive collection of restored aircraft.
Cheapest price
$141
Average price
$141
Fastest journey
13 h 39 m
Average duration
13 h 39 m
Trains per day
1
Distance
678 km
The best way to find a cheap train 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 $141 if you buy it on the day, but the cheapest tickets can be found for only $141.
Of the 1 trains that leave Cupertino, CA for San Diego, CA on Mon, May 18, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, May 18 the direct trains cover the 678 km distance in an average of 13 h 39 m but if you time it right, some trains will get you there in just 13 h 39 m .
On Mon, May 18 the slowest trains will take 13 h 39 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 $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)
| Train | Most popular Flight | Bus | Driving |
|---|---|---|---|
$238 Average price | $228 Average price | $114 Average price Cheapest | $97 Average price (fuel + tolls) |
14h 55m Average total duration 14h 25m Onboard + 30m Additional time* | 4h 26m Average total duration Fastest 1h 26m Onboard + 3h 0m Additional time* | 11h 10m Average total duration 10h 40m 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 $238 (€192).
Other travel options to San Diego, CA take longer:
Bus takes on average 10h 40m.
Train takes on average 14h 25m.
Tickets start at around $238 (€192) compared to roughly $97 (€78) in fuel and tolls — a saving of about $-141.08 (€-113.93). The journey takes 14h 25m versus 7h 10m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
The table below shows live departures for Cupertino, CA to San Diego, CA trains for tomorrow, Monday, May 18. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 6:25 PM Cupertino, CA | 13h39 | 8:04 AM San Diego, CA | 0 transfersDirect | |
This is the last train 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.
Trains from Cupertino, CA to San Diego, CA run on average 10 times per day, taking around 14h 25m. Cheap train tickets for this journey start at $122 (€99) but you can travel from only $97 (€79) by bus.
The earliest train runs at 04:01, the last at 21:25. The fastest train covers the 421 miles (678 km) distance in 13h 39m.
Distance 421 miles (678 km) |
Average train duration 14h 25m |
Cheapest ticket price $122 (€99) |
Trains per day 10 |
Fastest train 13h 39m |
First train 4:01 AM |
Last train 9:25 PM |
Cheapest Month Nov |
Cheapest Day Wed |
High Season Apr - Jun |
Low Season Oct - Dec |
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Find answers to the most common questions about traveling from Cupertino, CA to San Diego, CA by train. 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 train, 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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