- 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
$541
Average price
$821
Fastest journey
49h 22m
Average duration
52h 43m
Trains per day
5
Distance
2802 km
Omio recommends booking the train as it is the most popular option from Chicago, IL to San Diego, CA among Omio's users. If you are prioritising price take the flight with prices starting from $58. For those with little time consider booking a flight which can get you there in 4h 53m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.8 - 2.5kg. The ticket price range depends on the travel mode: a flight costs an average of $58, and a train costs an average of $195.
Distance: 1729 miles (2784 km)
Most popular Train | Flight | Bus | Driving |
|---|---|---|---|
$445 Average price | $300 Average price Cheapest | $303 Average price | $429 Average price (fuel + tolls) |
50h 4m Average total duration 49h 34m Onboard + 30m Additional time* | 7h 53m Average total duration Fastest 4h 53m Onboard + 3h 0m Additional time* | 47h 19m Average total duration 46h 49m Onboard + 30m Additional time* | 30h 9m Average total duration (door-to-door) |
0.8 - 2.5kg CO2 emissions Lowest | 8.4 - 16.7kg CO2 emissions | 2.8 - 7.0kg CO2 emissions | - CO2 emissions |
![]() Most popular train company | ![]() Most popular airline | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Chicago, IL to San Diego, CA:
A flight is $3 (€2) less than a bus for this route with tickets for a bus from Chicago, IL to San Diego, CA costing on average $303 (€249).
A flight is $145 (€119) less than a train for this route with tickets for a train from Chicago, IL to San Diego, CA costing on average $445 (€365).
Other travel options to San Diego, CA take longer:
Bus takes on average 46h 49m.
Train takes on average 49h 34m.
Tickets start at around $445 (€365) compared to roughly $429 (€352) in fuel and tolls — a saving of about $-16.16 (€-13.28). The journey takes 49h 34m versus 30h 9m 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 Chicago, IL to San Diego, CA trains for today, Thursday, July 9. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
3 Southwest Chief · 770 Pacific Surfliner | 1:30 PM Chicago Union Station, Chicago, IL | 49h37 | 1:07 PM Santa Fe Depot, San Diego, CA | 1 transfer | |
3 Southwest Chief · 770 Pacific Surfliner | 1:30 PM Chicago Union Station, Chicago, IL | 49h22 | 12:52 PM Old Town Station, San Diego, CA | 1 transfer | |
3 Southwest Chief · 770 Pacific Surfliner | 1:30 PM Chicago Union Station, Chicago, IL | 49h37 | 1:07 PM Santa Fe Depot, San Diego, CA | 1 transfer | |
3 Southwest Chief · 770 Pacific Surfliner | 1:30 PM Chicago Union Station, Chicago, IL | 49h22 | 12:52 PM Old Town Station, San Diego, CA | 1 transfer | |
5 California Zephyr · 718 Gold Runner · 5818 AMTRAK | 2:00 PM Chicago Union Station, Chicago, IL | 65h35 | 5:35 AM Santa Fe Depot, San Diego, CA | 2 transfers |
Find all the dates and times for this journey
Compare train, bus, 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 Chicago, IL to San Diego, CA run on average 5 times per day, taking around 49h 34m. Cheap train tickets for this journey start at $195 (€160) but you can travel from only $58 (€48) by flight.
The earliest train runs at 11:03, the last at 16:40. The fastest train covers the 1729 miles (2784 km) distance in 48h 42m.
Distance 1729 miles (2784 km) |
Average train duration 49h 34m |
Cheapest ticket price $195 (€160) |
Trains per day 5 |
Fastest train 48h 42m |
First train 11:03 AM |
Last train 4:40 PM |
Cheapest Month Oct |
Cheapest Day Tue |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Sat |
Best time to book 14 days |
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 Chicago, IL 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 Chicago, IL to San Diego, CA trains use the Union Station to Santa Fe Depot station pair, with some services arriving at Old Town Station. Use this guide to compare Chicago, IL and San Diego, CA train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Union Station is 3 km from Chicago city centre. Public transport options include:
Union Station has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Car Rental, Information Desk, and Luggage Carts.
Food options include: The Chicago Firehouse Restaurant, Lou Mitchell's
Free. ATMs are available in the train station.
Ticket office support is available at Union Station. Information desks are located in the main hall.
Luggage storage is available at Union Station. Lost and found is available at the station.
Available at Union Station: Parking, Taxis, WC.
Available at Union Station: Bike Parking, Car Rental.
Accessibility facilities are available at Union Station: Elevators, ramps, restrooms.
Nearby hotels include The Kimpton Gray Hotel, JW Marriott Chicago, W Chicago - City Center.
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