- Must visit
USS Midway Museum
Museum aboard the historic aircraft carrier USS Midway with restored aircraft, flight deck exhibits, and audio tours on San Diego Bay.
Cheapest price
$126
Average price
$126
Fastest journey
14 h 3 m
Average duration
14 h 3 m
Trains per day
1
Distance
789 km
The best way to find a cheap train ticket from Petaluma, 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 Petaluma, CA to San Diego, CA will cost around $126 if you buy it on the day, but the cheapest tickets can be found for only $126.
Of the 1 trains that leave Petaluma, CA for San Diego, CA on Mon, Jun 22, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Jun 22 the direct trains cover the 789 km distance in an average of 14 h 3 m but if you time it right, some trains will get you there in just 14 h 3 m .
On Mon, Jun 22 the slowest trains will take 14 h 3 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 Petaluma, CA to San Diego, CA among Omio's users. If you are prioritising price take the bus with prices starting from $109. For those with little time consider booking a flight which can get you there in 2h 46m. The ticket price range depends on the travel mode: a bus costs an average of $109, and a flight costs an average of $235.
Distance: 490 miles (789 km)
| Train | Most popular Flight | Bus |
|---|---|---|
$128 Average price | $281 Average price | $113 Average price Cheapest |
14h 33m Average total duration 14h 3m Onboard + 30m Additional time* | 5h 46m Average total duration Fastest 2h 46m Onboard + 3h 0m Additional time* | 13h 28m Average total duration 12h 58m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Petaluma, CA to San Diego, CA:
A bus is $14 (€12) less than a train for this route with tickets for a train from Petaluma, CA to San Diego, CA costing on average $128 (€104).
A bus is $168 (€137) less than a flight for this route with tickets for a flight from Petaluma, CA to San Diego, CA costing on average $281 (€230).
Other travel options to San Diego, CA take longer:
Bus takes on average 12h 58m.
Train takes on average 14h 3m.
Compare bus, flight, and train 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 Petaluma, CA to San Diego, CA run on average 2 times per day, taking around 14h 3m. Cheap train tickets for this journey start at $126 (€103) but you can travel from only $109 (€89) by bus.
The earliest train runs at 04:01, the last at 21:25. The fastest train covers the 490 miles (789 km) distance in 14h 3m.
Distance 490 miles (789 km) |
Average train duration 14h 3m |
Cheapest ticket price $126 (€103) |
Trains per day 2 |
Fastest train 14h 3m |
First train 4:01 AM |
Last train 9:25 PM |
Cheapest Month Oct |
Cheapest Day Wed |
High Season Apr - Jun |
Low Season Jan - Mar |
Discover the best of San Diego — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Diego trip today.
Museum aboard the historic aircraft carrier USS Midway with restored aircraft, flight deck exhibits, and audio tours on San Diego Bay.
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Leading contemporary art museum with major postwar and current works, especially strong in Southern California and Pacific Rim artists.
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Scenic cove known for sea lions, clear water, coastal cliffs, and highly shareable sunset and ocean-view walks.
Wide sandy beach beside the Hotel del Coronado, popular for walking, photography, and classic Southern California scenery.
Beer-battered or grilled local fish in tortillas, usually topped with cabbage, crema, and salsa. A signature coastal San Diego staple with strong Baja influence.
A San Diego original burrito filled with carne asada, fries, cheese, and salsa. It is one of the city’s most iconic late-night and casual foods.
French fries topped with carne asada, cheese, guacamole, sour cream, and salsa. This indulgent dish is strongly associated with San Diego taco shop culture.
Popular waterfront seafood restaurant serving fresh local catch, fish tacos, and sandwiches in a relaxed harbor setting near the fishing fleet.
Historic, no-frills Mexican restaurant famous for house-made tortillas, rolled tacos, and comforting traditional plates. A beloved local institution with a classic atmosphere.
Iconic casual spot in Ocean Beach known for oversized burgers, fries, and a lively beach-town vibe. A long-standing San Diego favorite.
Prices are high by U.S. standards, especially for hotels, dining, and parking near the coast 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 and valet.
Find answers to the most common questions about traveling from Petaluma, 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.

Most Petaluma, CA to San Diego, CA trains use the Rohnert Park, Commerce Blvd / Rohnert Park Expy to Santa Fe Depot station pair, with some services arriving at Old Town Station. Use this guide to compare Petaluma, CA and San Diego, CA train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Petaluma, Petaluma Downtown Parking has practical services for this route, including Accessibility.
Accessibility facilities are available at Petaluma, Petaluma Downtown Parking.
Santa Fe Depot is 1 km from San Diego city centre. Public transport options include:
Santa Fe Depot has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Car Rental, Information Desk, and Luggage Carts.
Food options include: The Fish Market, Karl Strauss Brewing Company
Free. ATMs are available in the train station.
Ticket office support is available at Santa Fe Depot. Information desks are located in the main hall.
Luggage storage is available at Santa Fe Depot. Lost and found is available at the station.
Available at Santa Fe Depot: Parking, Taxis, WC.
Available at Santa Fe Depot: Bike Parking, Car Rental.
Accessibility facilities are available at Santa Fe Depot: Ramps.
Nearby hotels include The Westin San Diego, The Guild Hotel, San Diego, a Tribute Portfolio Hotel, Embassy Suites by Hilton San Diego Bay Downtown.
Old Town Station is 5 km from San Diego city centre. Public transport options include:
Old Town Station has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Car Rental, Information Desk, and Luggage Carts.
Food options include: Casa Guadalajara, Old Town Mexican Cafe
Free. ATMs are available in the train station.
Ticket office support is available at Old Town Station. Information desks are located in the main hall.
Luggage storage is available at Old Town Station. Lost and found is available at the station.
Available at Old Town Station: Parking, Taxis, WC.
Available at Old Town Station: Bike Parking, Car Rental.
Accessibility facilities are available at Old Town Station: Elevators, ramps.
Nearby hotels include Old Town Inn, Fairfield Inn & Suites by Marriott San Diego Old Town, Best Western Plus Hacienda Hotel Old Town.
Here are some other resources that might have the information you need