There are 7 ways to get from Ontario to St. Louis by plane, bus (Greyhound), train (Amtrak), car, taxi, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from Ontario International Airport
best- Fly from Ontario International Airport (ONT) to Lambert–St. Louis International Airport (STL)plane ONT - STL
5h 43m$298–1,303Bus (Greyhound)
cheapest- Take the bus from Montclair Transcenter to St Louis Bus Stationbus Greyhound US1210
39h 17m$146–349Train via Kansas City (Amtrak)
- Take the train from Riverside to Kansas Citytrain Southwest Chief
- Take the train from Kansas City to St. Louistrain Missouri River Runner / ...
41h 53m$178–520Drive 1,773.4 mi
- Drive from Ontario to St. Louiscar 1,773.4 mi
28h 12m$324–468Taxi to John Wayne Airport Orange County, fly
- Take the taxi from Ontario to Santa-Ana-Airport-SNAtaxi
- Fly from John Wayne Airport Orange County (SNA) to Lambert–St. Louis International Airport (STL)plane SNA - STL
6h 29m$333–1,133Train to Los Angeles International Airport, fly
- Take the train from Montclair to L.A. Union Stationtrain
- Fly from Los Angeles International Airport (LAX) to Lambert–St. Louis International Airport (STL)plane LAX - STL
7h 49m$344–831Train (Amtrak)
- Take the train from Ontario Amtrak to St. Louistrain Texas Eagle
2d 6h$200–650
Ontario to St. Louis by bus and train (Amtrak)
Questions & Answers
The cheapest way to get from Ontario to St. Louis is to bus which costs $140 - $350 and takes 39h 17m.
The fastest way to get from Ontario to St. Louis is to fly which takes 5h 43m and costs $290 - $1,300.
Yes, there is a direct train departing from Ontario Amtrak and arriving at St. Louis. Services depart three times a week, and operate Wednesday, Friday and Sunday. The journey takes approximately 2 days 6h.
The distance between Ontario and St. Louis is 1566 miles. The road distance is 1783.7 miles.
The best way to get from Ontario to St. Louis without a car is to bus which takes 39h 17m and costs $140 - $350.
It takes approximately 5h 43m to get from Ontario to St. Louis, including transfers.
Ontario to St. Louis train services, operated by Amtrak, depart from Ontario Amtrak station.
The best way to get from Ontario to St. Louis is to fly which takes 5h 43m and costs $290 - $1,300. Alternatively, you can bus, which costs $140 - $350 and takes 39h 17m, you could also train via Kansas City, which costs $170 - $550 and takes 41h 53m.
St. Louis is 2h ahead of Ontario. It is currently 11:14 PM in Ontario and 1:14 AM in St. Louis.
Ontario to St. Louis train services, operated by Amtrak, arrive at St. Louis station.
What companies run services between Ontario, CA, USA and St. Louis, MO, USA?
Southwest Airlines, Frontier Airlines, and three other airlines fly from Ontario International Airport (ONT) to Lambert–St. Louis International Airport (STL) every 2 hours. Alternatively, Greyhound USA operates a bus from Montclair Transcenter to St Louis Bus Station twice daily. Tickets cost $130–330 and the journey takes 39h 10m.
- Website
- southwest.com
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Phoenix
- Ave. Duration
- 5h 36m
- When
- Tuesday, Wednesday, and Sunday
- Estimated price
- $290–1,400
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Las Vegas
- Ave. Duration
- 5h 48m
- When
- Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- $290–1,300
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 5h 15m
- When
- Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- $290–1,400
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Austin
- Ave. Duration
- 5h 35m
- When
- Monday, Tuesday, and Thursday
- Estimated price
- $340–1,500
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Dallas
- Ave. Duration
- 6h 18m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- $320–1,400
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Chicago Midway
- Ave. Duration
- 6h 30m
- When
- Tuesday and Wednesday
- Estimated price
- $350–1,500
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Phoenix
- Ave. Duration
- 5h 26m
- When
- Monday, Tuesday, Thursday, Friday, and Saturday
- Estimated price
- $220–1,000
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Las Vegas
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $220–1,000
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 5h 38m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $220–1,000
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Dallas
- Ave. Duration
- 5h 55m
- When
- Tuesday
- Estimated price
- $240–1,100
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Austin
- Ave. Duration
- 6h
- When
- Tuesday, Thursday, and Sunday
- Estimated price
- $260–1,100
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport
- Ave. Duration
- 3h 33m
- When
- Every day
- Estimated price
- $180–800
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 5h 33m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $180–800
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport via Dallas
- Ave. Duration
- 5h 50m
- When
- Monday to Thursday
- Estimated price
- $190–850
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport via Kansas City
- Ave. Duration
- 5h 35m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $180–800
- Website
- aa.com
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Phoenix
- Ave. Duration
- 5h 36m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $290–1,400
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Dallas/Ft.Worth
- Ave. Duration
- 6h 26m
- When
- Every day
- Estimated price
- $310–1,400
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Phoenix
- Ave. Duration
- 5h 27m
- When
- Every day
- Estimated price
- $220–1,000
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Dallas/Ft.Worth
- Ave. Duration
- 6h 19m
- When
- Every day
- Estimated price
- $240–1,100
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport
- Ave. Duration
- 3h 41m
- When
- Every day
- Estimated price
- $180–800
- Website
- delta.com
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Salt Lake City
- Ave. Duration
- 6h
- When
- Every day
- Estimated price
- $310–1,400
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Salt Lake City
- Ave. Duration
- 5h 54m
- When
- Every day
- Estimated price
- $240–1,100
- Website
- united.com
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 6h 14m
- When
- Every day
- Estimated price
- $290–1,400
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 5h 58m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $220–1,000
Flights from Los Angeles International Airport to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 6h 3m
- When
- Every day
- Estimated price
- $180–800
- Website
- flyfrontier.com
Flights from Ontario International Airport to Lambert–St. Louis International Airport via Las Vegas
- Ave. Duration
- 5h 20m
- When
- Thursday
- Estimated price
- $290–1,300
Flights from John Wayne Airport Orange County to Lambert–St. Louis International Airport via Phoenix
- Ave. Duration
- 5h 16m
- When
- Monday and Friday
- Estimated price
- $220–1,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Riverside to Kansas City
- Ave. Duration
- 33h 48m
- Frequency
- Once daily
- Estimated price
- $140–470
- Website
- https://www.amtrak.com/home.html
- Coach Seat - Advance Purchase
- $140–420
- Coach Seat short notice purchase
- $220–470
- Business - advance purchase
- $300–1,200
- Business Class
- $410–1,100
Train from Kansas City to St. Louis
- Ave. Duration
- 5h 40m
- Frequency
- Twice daily
- Estimated price
- $30–50
- Website
- https://www.amtrak.com/home.html
Train from Ontario Amtrak to St. Louis
- Ave. Duration
- 2d 6h
- Frequency
- 3 times a week
- Estimated price
- $200–650
- Website
- https://www.amtrak.com/home.html
- Coach Seat - Advance Purchase
- $200–600
- Coach Seat short notice purchase
- $310–650
- Business - advance purchase
- $420–1,600
- Business Class
- $550–1,400
- Phone
- (800) 371-LINK (5465)
- Website
- metrolinktrains.com
Train from Montclair to L.A. Union Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Estimated price
- $8–12
- Website
- https://metrolinktrains.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Montclair Transcenter to St Louis Bus Station
- Ave. Duration
- 39h 10m
- Frequency
- Twice daily
- Estimated price
- $130–330
- Website
- https://www.greyhound.com/
- Ave. Duration
- 41 min
- Estimated price
- $110–130
Piratas Cab
- Phone
- +1 626-391-9090
Lady Cab Driver
- Phone
- +1 909-624-3333
https://proride.pro/home
- Phone
- +1 833-393-2776
JR;s Taxi Service
- Phone
- +1-909-262-9910
- Website
- jrtaxiservice.com
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Need to know: Greyhound
Read the travel guide
Why you should take the train in the US
Read the travel guide
More Questions & Answers
Yes, the driving distance between Ontario to St. Louis is 1784 miles. It takes approximately 28h 12m to drive from Ontario to St. Louis.
Book your Ontario to St. Louis train tickets online with Omio.
There are 545+ hotels available in St. Louis.









