The cheapest and fastest buses from Ontario, CA to St. Louis, MO
Cheapest price
$673
Average price
$673
Fastest journey
1 d 17 h 49 m
Average duration
1 d 21 h 42 m
Buses per day
2
Distance
2501 km
The best way to find a cheap bus ticket from Ontario, CA to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to St. Louis, MO will cost around $673 if you buy it on the day, but the cheapest tickets can be found for only $673.
It's difficult to get from Ontario, CA to St. Louis, MO without transferring at least 2 times.




Travel Information
Compare bus and train for Ontario, CA to St. Louis, MO
Omio recommends booking the train as it is the most popular option from Ontario, CA to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from €169. For those with little time consider booking a flight which can get you there in 8h 9m. The ticket price range depends on the travel mode: a bus costs an average of €169, and a train costs an average of €394.
Distance: 1554 miles (2501 km)
Compare bus with
| Bus | Most popular Train | Flight |
|---|---|---|
€169 Average price Cheapest | €394 Average price | €227 Average price |
39h 40m Average total duration 39h 10m Onboard + 30m Additional time* | 57h 6m Average total duration 56h 36m Onboard + 30m Additional time* | 11h 9m Average total duration Fastest 8h 9m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Ontario, CA to St. Louis, MO bus times
The table below shows live departures for Ontario, CA to St. Louis, MO buses for today, Wednesday, November 5. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 9:06 PM Ontario, CA | 49h34 | 10:40 PM St. Louis, MO | 2 transfers | |
| Thursday, November 6 | |||||
![]() | 1:16 PM Ontario, CA | 41h49 | 7:05 AM St. Louis, MO | 2 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Ontario, CA to St. Louis, MO by bus or train
Compare bus 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.
Nov 06
Nov 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Journey information
Overview: Bus from Ontario, CA to St. Louis, MO
Distance 1554 miles (2501 km) |
Average bus duration 39h 10m |
Cheapest ticket price $207 (€169) |
Buses per day 8 |
Direct buses 4 |
Fastest bus 39h 10m |
First bus 01:20 |
Last bus 22:41 |
Key Takeaways
Train Ticket Prices
- Budget Options: Train tickets from Ontario, CA to St. Louis, MO start from as low as $207 (€169) if booked well in advance.
- Standard Fares: Typically, trains cost $207 (€169) depending on the train type and class.
Bus providers: Omnitrans from Ontario, CA to St. Louis, MOYou can travel by bus between Ontario, CA to St. Louis, MO with Omnitrans for as low as $207 (€169). When you search for schedules and tickets, Omio will show you the best journey
Omnitrans
FAQs: Bus from Ontario, CA to St. Louis, MO
Find answers to the most common questions about traveling from Ontario, CA to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.

To find the cheapest bus tickets for your trip from Ontario, CA to St. Louis, MO, follow these tips:
Start your search now and compare ticket prices to find the best deal!
popular bus stations
Popular bus stations from Ontario, CA to St. Louis, MO
Most popular bus connections from Ontario, CA
More options for your journey from Ontario, CA to St. Louis, MO
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