Bus Tickets from Ontario, CA to St. Louis

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TodayAug 27
TomorrowAug 28
FriAug 29
SatAug 30
SunAug 31
MonSep 1
TueSep 2
from US$152
WedSep 3

Cheap buses leaving Tuesday

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: September 2 at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: September 4 at
    Destination city: St. Louis
    Destination location: Gateway Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: September 2 at
    Departure city: Ontario
    Departure location: Montclair (Ontario)
    Arrival time: September 4 at
    Destination city: St. Louis
    Destination location: Gateway Station
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: September 2 at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: September 3 at
    Destination city: St. Louis
    Destination location: Gateway Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: September 2 at
    Departure city: Ontario
    Departure location: Montclair (Ontario)
    Arrival time: September 4 at
    Destination city: St. Louis
    Destination location: Gateway Station
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: September 2 at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: September 4 at
    Destination city: St. Louis
    Destination location: Gateway Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:

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Compare 2 ways to go from Ontario to St. Louis

Average PriceUS$152 - US$274Average Duration1d 19h
63kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Average PriceUS$424 - US$424Average Duration2d 6h
228kg CO₂e1 out of 5 stars
busbud logoBusbud recommends taking the bus from Ontario to St. Louis

Among the sustainable travel choices, the bus stands out as a good way to reach St. Louis. The journey takes about 1 day, 19 hours 20 minutes, and with fares starting at just US$152, it presents an excellent value for a comfortable ride.

8bus per day
1d 19hAverage Duration
US$152Cheapest ticket
63kgCO₂ emissions

Bus Ontario, CA to St. Louis: Trip Overview

Average Ticket PriceUS$234
Average Bus Trip Duration1d 19h
Number of daily buses8
Earliest bus departure1:30am
Distance2503 km
Latest bus departure9:05pm

Ontario to St. Louis Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Ontario to St. Louis.

Bus service from Ontario to St. Louis will be provided by the most trusted bus companies.

From cheap bus tickets to more luxurious buses travelling from Ontario to St. Louis, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Frequently asked questions on the trip Ontario, CA - St. Louis

  1. What is the distance between Ontario and St. Louis?

    The distance between Ontario and St. Louis is approximately 2504 km (1553 miles).

  2. What are the departure and arrival locations for buses traveling from Ontario to St. Louis?

    Buses departing from Ontario California Bus Stop Carl's Jr & Teriyaki House in Ontario will take you to Gateway Station in St. Louis.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
08-25
US$172
08-26
No data
Today
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08-28
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08-29
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08-30
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08-31
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09-01
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busbud logoThe cheapest trip from Ontario, CA to St. Louis was searched and found on Aug 25, 2025 with a price of US$172

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to St. Louis, as early as possible.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Ontario to St. Louis but it'll also be endearing to native speakers who will surely appreciate your effort.

Much more than a mere vehicle taking you from Ontario to St. Louis, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Ontario to St. Louis that are otherwise impossible to come by with a plane.

Tune out to the fine sounds of your best music playlist on your bus trip from Ontario to St. Louis while indulging in miles on end of beautiful scenic views.

Did you know?

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

What's the cheapest way to go from Ontario, CA to St. Louis?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Ontario, CA by bus?

Bus from St. Louis to Ontario, CA

You can also go to St. Louis by train

Train from Ontario, CA to St. Louis

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