Journey information
Overview: St. Louis, MO to San Diego, CA flight
Flights from St. Louis, MO to San Diego, CA depart on average 54 times per day, taking around 7h 22m. Cheap flight tickets for this journey start at $186 (€151) but you can travel from only $152 (€124) by bus.
The earliest flight runs at 05:00, the last at 22:49. The fastest flight covers the 1560 miles (2512 km) distance in 5h 54m. August is the cheapest month to fly.
Distance 1560 miles (2512 km) |
Average flight duration 7h 22m |
Cheapest ticket price $186 (€151) |
Flights per day 54 |
Fastest flight 5h 54m |
Cheapest month August |
First flight 5:00 AM |
Last flight 10:49 PM |
The cheapest and fastest flights from St. Louis, MO to San Diego, CA
Cheapest price
$278
Average price
$672
Fastest journey
5 h 56 m
Average duration
6 h 7 m
Flights per day
83
Distance
2512 km
The best way to find a cheap flight ticket from St. Louis, MO 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 St. Louis, MO to San Diego, CA will cost around $672 if you buy it on the day, but the cheapest tickets can be found for only $278.
It's difficult to get from St. Louis, MO to San Diego, CA without transferring at least once.
AA6369+
AA15432:25 PM7h55St. Louis Lambert International Airport8:20 PMSan Diego International Airport$2781One-way1 transfer
AA2261 · AA31315:12 AM6h46St. Louis Lambert International Airport9:58 AMSan Diego International Airport$2781One-way1 transfer
AA2289 · AA194811:46 AM8h37St. Louis Lambert International Airport6:23 PMSan Diego International Airport$2781One-way1 transfer
AA2574 · AA30497:58 AM6h05St. Louis Lambert International Airport12:03 PMSan Diego International Airport$2781One-way1 transfer
AA2507 · AA16344:13 PM6h24St. Louis Lambert International Airport8:37 PMSan Diego International Airport$2781One-way1 transfer
UA1415 · UA19408:54 AM5h56St. Louis Lambert International Airport12:50 PMSan Diego International Airport$3751One-way1 transfer
AA2289 · AA274711:46 AM6h03St. Louis Lambert International Airport3:49 PMSan Diego International Airport$2781One-way1 transfer
AA2574 · AA30497:58 AM6h05St. Louis Lambert International Airport12:03 PMSan Diego International Airport$2781One-way1 transfer
UA1415 · UA55078:54 AM6h05St. Louis Lambert International Airport12:59 PMMcClellan–Palomar Airport$10801One-way1 transfer
AA2507 · AA16344:13 PM6h24St. Louis Lambert International Airport8:37 PMSan Diego International Airport$2781One-way1 transfer
Travel Information
Compare train, bus, and flight for St. Louis, MO to San Diego, CA
Omio recommends booking the train as it is the most popular option from St. Louis, MO to San Diego, CA among Omio's users. If you are prioritising price take the bus with prices starting from $152. For those with little time consider booking a flight which can get you there in 7h 22m. The ticket price range depends on the travel mode: a bus costs an average of $152, and a train costs an average of $217.
Distance: 1560 miles (2512 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$336 Average price | $673 Average price | $304 Average price Cheapest |
10h 22m Average total duration Fastest 7h 22m Onboard + 3h 0m Additional time* | 60h 54m Average total duration 60h 24m Onboard + 30m Additional time* | 50h 1m Average total duration 49h 31m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
St. Louis, MO to San Diego, CA flight times
The table below shows live departures for St. Louis, MO to San Diego, CA flights for today, Friday, April 3. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
AA2574 · AA3049 | 12:58 PM St. Louis Lambert International Airport | 6h05 | 7:03 PM San Diego International Airport | 1 transfer | |
AA2574 · AA3121 | 12:58 PM St. Louis Lambert International Airport | 12h06 | 1:04 AM San Diego International Airport | 1 transfer | |
AA2574 · AA1950 | 12:58 PM St. Louis Lambert International Airport | 10h02 | 11:00 PM San Diego International Airport | 1 transfer | |
AA2784+ AA3562 | 1:00 PM St. Louis Lambert International Airport | 8h23 | 9:23 PM San Diego International Airport | 1 transfer | |
UA4506 · UA2163 | 1:30 PM St. Louis Lambert International Airport | 8h45 | 10:15 PM San Diego International Airport | 1 transfer | |
UA5728 · UA1668 | 1:30 PM St. Louis Lambert International Airport | 9h09 | 10:39 PM San Diego International Airport | 1 transfer | |
UA5728 · UA5508 | 1:30 PM St. Louis Lambert International Airport | 14h08 | 3:38 AM McClellan–Palomar Airport | 1 transfer | |
UA5728 · UA1577 | 1:30 PM St. Louis Lambert International Airport | 14h09 | 3:39 AM San Diego International Airport | 1 transfer | |
UA5728 · UA1336 | 1:30 PM St. Louis Lambert International Airport | 12h08 | 1:38 AM San Diego International Airport | 1 transfer | |
UA1415 · UA1302 | 1:54 PM St. Louis Lambert International Airport | 8h03 | 9:57 PM San Diego International Airport | 1 transfer | |
UA1415 · UA5529 | 1:54 PM St. Louis Lambert International Airport | 14h00 | 3:54 AM McClellan–Palomar Airport | 1 transfer | |
UA1415 · UA5507 | 1:54 PM St. Louis Lambert International Airport | 6h05 | 7:59 PM McClellan–Palomar Airport | 1 transfer | |
UA1415 · UA1940 | 1:54 PM St. Louis Lambert International Airport | 5h58 | 7:52 PM San Diego International Airport | 1 transfer | |
UA3610 · UA2384 | 2:10 PM St. Louis Lambert International Airport | 8h25 | 10:35 PM San Diego International Airport | 1 transfer | |
AA2897 · AA2747 | 2:35 PM St. Louis Lambert International Airport | 8h15 | 10:50 PM San Diego International Airport | 1 transfer | |
AA2897 · AA3130 | 2:35 PM St. Louis Lambert International Airport | 6h43 | 9:18 PM San Diego International Airport | 1 transfer | |
AA4460+ AA2784 | 2:37 PM St. Louis Lambert International Airport | 6h46 | 9:23 PM San Diego International Airport | 1 transfer | |
UA4601 · UA1097 · UA1336 | 3:00 PM St. Louis Lambert International Airport | 10h38 | 1:38 AM San Diego International Airport | 2 transfers | |
UA4601 · UA2384 | 3:00 PM St. Louis Lambert International Airport | 7h35 | 10:35 PM San Diego International Airport | 1 transfer | |
UA6213 · UA1072 | 3:09 PM St. Louis Lambert International Airport | 9h56 | 1:05 AM San Diego International Airport | 1 transfer | |
AA884+ AA3712 | 3:33 PM St. Louis Lambert International Airport | 11h47 | 3:20 AM San Diego International Airport | 1 transfer | |
UA4395 · UA609 · UA5529 | 4:15 PM St. Louis Lambert International Airport | 11h39 | 3:54 AM McClellan–Palomar Airport | 2 transfers | |
UA4395 · UA2347 · UA5529 | 4:15 PM St. Louis Lambert International Airport | 11h39 | 3:54 AM McClellan–Palomar Airport | 2 transfers | |
UA4395 · UA2475 · UA5529 | 4:15 PM St. Louis Lambert International Airport | 11h39 | 3:54 AM McClellan–Palomar Airport | 2 transfers | |
UA3573 · UA1626 | 4:37 PM St. Louis Lambert International Airport | 11h24 | 4:01 AM San Diego International Airport | 1 transfer | |
AA2289 · AA1948 | 4:46 PM St. Louis Lambert International Airport | 8h37 | 1:23 AM San Diego International Airport | 1 transfer | |
AA2289 · AA2747 | 4:46 PM St. Louis Lambert International Airport | 6h04 | 10:50 PM San Diego International Airport | 1 transfer | |
AA2289 · AA2660 · AA3121 | 4:46 PM St. Louis Lambert International Airport | 8h18 | 1:04 AM San Diego International Airport | 2 transfers | |
UA4454 · UA2054 | 5:15 PM St. Louis Lambert International Airport | 10h31 | 3:46 AM San Diego International Airport | 1 transfer | |
UA4592 · UA2475 · UA5529 | 6:10 PM St. Louis Lambert International Airport | 9h44 | 3:54 AM McClellan–Palomar Airport | 2 transfers | |
UA4592 · UA576 · UA1730 | 6:10 PM St. Louis Lambert International Airport | 9h02 | 3:12 AM San Diego International Airport | 2 transfers | |
UA4592 · UA2475 · UA540 | 6:10 PM St. Louis Lambert International Airport | 10h12 | 4:22 AM San Diego International Airport | 2 transfers | |
UA4592 · UA745 | 6:10 PM St. Louis Lambert International Airport | 7h41 | 1:51 AM San Diego International Airport | 1 transfer | |
AA2486 · AA3126 | 6:34 PM St. Louis Lambert International Airport | 9h33 | 4:07 AM San Diego International Airport | 1 transfer | |
AA2303 · AA2382 | 7:31 PM St. Louis Lambert International Airport | 9h08 | 4:39 AM San Diego International Airport | 1 transfer | |
AA2303 · AA3121 | 7:31 PM St. Louis Lambert International Airport | 5h33 | 1:04 AM San Diego International Airport | 1 transfer | |
UA1380 · UA5529 | 7:40 PM St. Louis Lambert International Airport | 8h14 | 3:54 AM McClellan–Palomar Airport | 1 transfer | |
UA1380 · UA540 | 7:40 PM St. Louis Lambert International Airport | 8h42 | 4:22 AM San Diego International Airport | 1 transfer | |
UA4464 · UA249 | 8:15 PM St. Louis Lambert International Airport | 9h44 | 5:59 AM San Diego International Airport | 1 transfer | |
UA4464 · UA2494 · UA1835 | 8:15 PM St. Louis Lambert International Airport | 9h15 | 5:30 AM San Diego International Airport | 2 transfers | |
AA2507 · AA1634 | 9:13 PM St. Louis Lambert International Airport | 6h24 | 3:37 AM San Diego International Airport | 1 transfer | |
AA2507 · AA3150 | 9:13 PM St. Louis Lambert International Airport | 8h10 | 5:23 AM San Diego International Airport | 1 transfer | |
AA2507 · AA2568 | 9:13 PM St. Louis Lambert International Airport | 9h46 | 6:59 AM San Diego International Airport | 1 transfer | |
AS388 · AS375 | 9:20 PM St. Louis Lambert International Airport | 8h23 | 5:43 AM San Diego International Airport | 1 transfer | |
AS388 · AS1369 | 9:20 PM St. Louis Lambert International Airport | 9h38 | 6:58 AM San Diego International Airport | 1 transfer | |
UA6219 · UA1868 | 9:49 PM St. Louis Lambert International Airport | 6h37 | 4:26 AM San Diego International Airport | 1 transfer | |
UA1236 · UA1835 | 11:05 PM St. Louis Lambert International Airport | 6h25 | 5:30 AM San Diego International Airport | 1 transfer | |
AA2269 · AA2568 | 11:50 PM St. Louis Lambert International Airport | 7h09 | 6:59 AM San Diego International Airport | 1 transfer | |
| Saturday, April 4 | |||||
UA5943 · UA2142 | 12:05 AM St. Louis Lambert International Airport | 7h24 | 7:29 AM San Diego International Airport | 1 transfer | |
AA2261 · AA3131 | 10:12 AM St. Louis Lambert International Airport | 6h46 | 4:58 PM San Diego International Airport | 1 transfer | |
AA2261 · AA1496 · AA3049 | 10:12 AM St. Louis Lambert International Airport | 8h51 | 7:03 PM San Diego International Airport | 2 transfers | |
AA2261 · AA2050 | 10:12 AM St. Louis Lambert International Airport | 9h34 | 7:46 PM San Diego International Airport | 1 transfer | |
AA2261 · AA3096 · AA3049 | 10:12 AM St. Louis Lambert International Airport | 8h51 | 7:03 PM San Diego International Airport | 2 transfers | |
UA1371 · UA2491 | 11:00 AM St. Louis Lambert International Airport | 7h04 | 6:04 PM San Diego International Airport | 1 transfer | |
UA1371 · UA2371 | 11:00 AM St. Louis Lambert International Airport | 9h51 | 8:51 PM San Diego International Airport | 1 transfer | |
UA4608 · UA250 · UA1940 | 11:30 AM St. Louis Lambert International Airport | 8h20 | 7:50 PM San Diego International Airport | 2 transfers | |
UA4608 · UA660 | 11:30 AM St. Louis Lambert International Airport | 6h55 | 6:25 PM San Diego International Airport | 1 transfer | |
UA4608 · UA250 · UA5507 | 11:30 AM St. Louis Lambert International Airport | 8h29 | 7:59 PM McClellan–Palomar Airport | 2 transfers | |
AS473 · AS423 · AS3069 | 12:00 PM St. Louis Lambert International Airport | 14h50 | 2:50 AM San Diego International Airport | 2 transfers | |
AS473 · AS657 · AS3429 | 12:00 PM St. Louis Lambert International Airport | 11h24 | 11:24 PM San Diego International Airport | 2 transfers | |
AS473 · AS1422 · AS3069 | 12:00 PM St. Louis Lambert International Airport | 14h50 | 2:50 AM San Diego International Airport | 2 transfers | |
AS473 · AS697 | 12:00 PM St. Louis Lambert International Airport | 13h39 | 1:39 AM San Diego International Airport | 1 transfer | |
AS473 · AS657 · AS3338 | 12:00 PM St. Louis Lambert International Airport | 14h05 | 2:05 AM San Diego International Airport | 2 transfers | |
AS473 · AS384 | 12:00 PM St. Louis Lambert International Airport | 12h13 | 12:13 AM San Diego International Airport | 1 transfer | |
AS473 · AS3282 · AS667 | 12:00 PM St. Louis Lambert International Airport | 15h11 | 3:11 AM San Diego International Airport | 2 transfers | |
AS473 · AS681 · AS2295 | 12:00 PM St. Louis Lambert International Airport | 14h12 | 2:12 AM San Diego International Airport | 2 transfers | |
AS473 · AS3385 · AS2096 | 12:00 PM St. Louis Lambert International Airport | 16h23 | 4:23 AM San Diego International Airport | 2 transfers | |
AS473 · AS2326 · AS2096 | 12:00 PM St. Louis Lambert International Airport | 16h23 | 4:23 AM San Diego International Airport | 2 transfers | |
AS473 · AS429 · AS2096 | 12:00 PM St. Louis Lambert International Airport | 16h23 | 4:23 AM San Diego International Airport | 2 transfers | |
AS473 · AS404 · AS3388 | 12:00 PM St. Louis Lambert International Airport | 11h25 | 11:25 PM San Diego International Airport | 2 transfers | |
AS473 · AS1413 · AS1428 | 12:00 PM St. Louis Lambert International Airport | 14h58 | 2:58 AM San Diego International Airport | 2 transfers | |
AS473 · AS681 · AS2411 | 12:00 PM St. Louis Lambert International Airport | 15h29 | 3:29 AM San Diego International Airport | 2 transfers | |
AS473 · AS600 · AS3428 | 12:00 PM St. Louis Lambert International Airport | 16h27 | 4:27 AM San Diego International Airport | 2 transfers | |
AS473 · AS655 · AS2154 | 12:00 PM St. Louis Lambert International Airport | 13h46 | 1:46 AM San Diego International Airport | 2 transfers | |
AS473 · AS2258 · AS667 | 12:00 PM St. Louis Lambert International Airport | 15h11 | 3:11 AM San Diego International Airport | 2 transfers | |
AS473 · AS2299 · AS2318 | 12:00 PM St. Louis Lambert International Airport | 15h08 | 3:08 AM San Diego International Airport | 2 transfers | |
AS473 · AS623 | 12:00 PM St. Louis Lambert International Airport | 14h47 | 2:47 AM San Diego International Airport | 1 transfer | |
AS473 · AS1369 | 12:00 PM St. Louis Lambert International Airport | 18h58 | 6:58 AM San Diego International Airport | 1 transfer | |
AS473 · AS650 | 12:00 PM St. Louis Lambert International Airport | 8h41 | 8:41 PM San Diego International Airport | 1 transfer | |
AS473 · AS700 · AS3069 | 12:00 PM St. Louis Lambert International Airport | 14h50 | 2:50 AM San Diego International Airport | 2 transfers | |
AS473 · AS658 · AS2035 | 12:00 PM St. Louis Lambert International Airport | 13h05 | 1:05 AM San Diego International Airport | 2 transfers | |
AA1410 · AA2747 | 12:03 PM St. Louis Lambert International Airport | 10h46 | 10:49 PM San Diego International Airport | 1 transfer | |
AA1410 · AA3130 | 12:03 PM St. Louis Lambert International Airport | 9h05 | 9:08 PM San Diego International Airport | 1 transfer | |
AA1410 · AA2050 | 12:03 PM St. Louis Lambert International Airport | 7h43 | 7:46 PM San Diego International Airport | 1 transfer | |
AA1992 · AA2059 | 12:05 PM St. Louis Lambert International Airport | 8h23 | 8:28 PM San Diego International Airport | 1 transfer | |
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to San Diego, CA by train, bus, or flight
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.
Apr 04
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Why should you book St. Louis, MO to San Diego, CA flights with Omio?
Why book with Omio vs American Airlines?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from St. Louis, MO to San Diego, CA.
Why book with Omio over Trip, Edreams or Skyscanner?
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from St. Louis, MO to San Diego, CA.
Airlines: American Airlines from St. Louis, MO to San Diego, CAFind the best flights between St. Louis, MO to San Diego, CA with Omio's travel partners American Airlines from $152 (€124). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
American Airlines
FAQs: St. Louis, MO to San Diego, CA Flight
Find answers to the most common questions about traveling from St. Louis, MO to San Diego, CA by flight. 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 flight, 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.

- Comic-Con International, the largest comic book and popular arts convention in the world
- San Diego County Fair, a month-long fair featuring rides, games, and local food
- San Diego Beer Week, a celebration of craft beer with tastings and events across the county
- La Jolla Music Festival, an annual event showcasing classical music performances in a picturesque coastal setting.
- Balboa Park, a sprawling urban park with museums, gardens, and the San Diego Zoo
- USS Midway Museum, a historic naval aircraft carrier museum offering interactive exhibits and tours
- La Jolla Cove, a picturesque coastal area known for its stunning views and marine life
- Gaslamp Quarter, a lively historic district with Victorian architecture, dining, and entertainment options
- Coronado Beach, a beautiful sandy beach known for its gentle waves and iconic hotel.
- Memorial Day, ideal weather for beach activities and outdoor events
- Independence Day, spectacular fireworks and patriotic celebrations
- Labor Day, perfect for enjoying the last days of summer at the beach
- Thanksgiving, a time for family gatherings with pleasant fall weather.
- Explore the vibrant art scene at the Museum of Contemporary Art San Diego
- enjoy a harbor cruise for stunning views of the skyline and naval ships
- hike the scenic trails at Torrey Pines State Natural Reserve
- visit the Birch Aquarium to learn about marine life and ocean conservation
- experience the thrill of a whale watching tour off the coast.
popular airports
Popular airports from St. Louis, MO to San Diego, CA
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
- Free Wi-Fi available throughout the airport.
- Shops in terminals 1 and 2, including Duty-Free and Hudson News.
- Parking available, price varies.
- Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance.
- Showers available at the Airspace Lounge, access fee required.
- Lounges available, including United Club and Airspace Lounge.
- Lost and Found located in terminal 2 East, baggage claim area.
- Car rental services available at Rental Car Center, free shuttle from terminals
- Bus Route 992, Airport Station, 4.8 km
More options for your journey from St. Louis, MO to San Diego, CA
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