There are 8 ways to get from St. Louis to Ontario by plane, train (Amtrak), bus (Greyhound, Flixbus), car, or bus (Greyhound)
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Detroit
best- Fly from Lambert–St. Louis International Airport (STL) to Detroit (DTW)plane STL - DTW
4h 28m$138–859Fly to Toronto Pearson International Airport
cheapest- Fly from Lambert–St. Louis International Airport (STL) to Toronto Pearson International Airport (YYZ)plane STL - YYZ
5h 8m$113–617Train via Detroit
- Take the train from St. Louis to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Detroittrain
- Take the train from Windsor to Toronto Union Stationtrain
16h 39m$509–977Bus via Indianapolis
- Take the bus from St Louis Bus Station to Indianapolis Union Stationbus
- Take the bus from Indianapolis to Detroitbus
- Take the bus from Detroit Bus Station to Torontobus
18h 15m$153–277Drive 1,198.8 km
- Drive from St. Louis to Torontocar 1,198.8 km
12h 43m$217–313Fly to Toronto Island Airport
- Fly from Lambert–St. Louis International Airport (STL) to Toronto Island Airport (YTZ)plane STL - YTZ
7h 8m$116–623Train
- Take the train from St. Louis to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Buffalo Depew Stationtrain
- Take the train from Buffalo to Toronto Union Stationtrain
21h 42m$658–1,224Bus
- Take the bus from St Louis Bus Station to Pittsburgh Intermodal Stationbus
- Take the bus from Pittsburgh, Pa to Buffalo, Nybus 510
- Take the bus from Buffalo to Torontobus
27h 20m$246–580
St. Louis to Ontario by train and car
Comparing Your Travel Options
The cheapest way to get from St. Louis to Ontario is to bus via Indianapolis which costs $150 - $280 and takes 18h 15m.
The fastest way to get from St. Louis to Ontario is to fly which takes 4h 28m and costs $130 - $900.
No, there is no direct bus from St. Louis station to Ontario. However, there are services departing from St Louis Bus Station and arriving at Toronto via Indianapolis and Detroit Bus Station. The journey, including transfers, takes approximately 18h 15m.
No, there is no direct train from St. Louis to Ontario station. However, there are services departing from St. Louis and arriving at Toronto Union Station via Chicago Union Station and Windsor. The journey, including transfers, takes approximately 16h 39m.
The distance between St. Louis and Ontario is 772 km. The road distance is 1198.8 km.
The best way to get from St. Louis to Ontario without a car is to bus via Indianapolis which takes 18h 15m and costs $150 - $280.
It takes approximately 4h 28m to get from St. Louis to Ontario, including transfers.
St. Louis to Ontario bus services, operated by Greyhound USA, depart from St Louis Bus Station.
St. Louis to Ontario train services, operated by Amtrak, depart from St. Louis station.
The best way to get from St. Louis to Ontario is to fly which takes 4h 28m and costs $130 - $900. Alternatively, you can train via Detroit, which costs $500 - $1,000 and takes 16h 39m, you could also bus via Indianapolis, which costs $150 - $280 and takes 18h 15m.
What companies run services between St. Louis, MO, USA and Ontario, Canada?
Delta and Southwest Airlines fly from Lambert–St. Louis International Airport (STL) to Detroit (DTW) every 4 hours. Alternatively, you can take a train from St. Louis to Toronto Union Station via Chicago Union Station, Detroit, and Windsor in around 16h 39m.
- Website
- aircanada.com
Flights from Lambert–St. Louis International Airport to Toronto Pearson International Airport
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $100–600
Flights from Lambert–St. Louis International Airport to Toronto Pearson International Airport via Chicago O'Hare
- Ave. Duration
- 4h 38m
- When
- Every day
- Estimated price
- $100–600
Flights from Lambert–St. Louis International Airport to Toronto Island Airport via Chicago O'Hare
- Ave. Duration
- 4h 28m
- When
- Every day
- Estimated price
- $110–600
Flights from Lambert–St. Louis International Airport to Toronto Island Airport via Montreal
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $150–750
- Website
- united.com
Flights from Lambert–St. Louis International Airport to Toronto Pearson International Airport
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $100–600
Flights from Lambert–St. Louis International Airport to Toronto Pearson International Airport via Chicago O'Hare
- Ave. Duration
- 4h 38m
- When
- Every day
- Estimated price
- $100–600
Flights from Lambert–St. Louis International Airport to Toronto Island Airport via Chicago O'Hare
- Ave. Duration
- 4h 28m
- When
- Every day
- Estimated price
- $110–600
Flights from Lambert–St. Louis International Airport to Toronto Island Airport via Washington Dulles
- Ave. Duration
- 4h 57m
- When
- Every day
- Estimated price
- $130–700
- Website
- delta.com
Flights from Lambert–St. Louis International Airport to Detroit
- Ave. Duration
- 1h 33m
- When
- Every day
- Estimated price
- $130–850
- Website
- southwest.com
Flights from Lambert–St. Louis International Airport to Detroit
- Ave. Duration
- 1h 31m
- When
- Every day
- Estimated price
- $130–850
Flights from Lambert–St. Louis International Airport to Detroit via Chicago Midway
- Ave. Duration
- 3h 25m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $140–850
- Website
- flyporter.com
Flights from Lambert–St. Louis International Airport to Toronto Island Airport via Chicago O'Hare
- Ave. Duration
- 5h 53m
- When
- Every day
- Estimated price
- $300–1,200
- Website
- aa.com
Flights from Lambert–St. Louis International Airport to Toronto Pearson International Airport via Chicago O'Hare
- Ave. Duration
- 4h 50m
- When
- Every day
- Estimated price
- $100–600
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from St. Louis to Chicago Union Station
- Ave. Duration
- 4h 55m
- Frequency
- 5 times a day
- Estimated price
- $210–340
- Website
- Amtrak
Train from Chicago Union Station to Detroit
- Ave. Duration
- 5h 20m
- Frequency
- 3 times a day
- Estimated price
- $210–340
- Website
- Amtrak
Train from St. Louis to Chicago Union Station
- Ave. Duration
- 4h 55m
- Frequency
- 5 times a day
- Estimated price
- $210–340
- Website
- Amtrak
Train from Chicago Union Station to Buffalo Depew Station
- Ave. Duration
- 10h 23m
- Frequency
- Twice daily
- Estimated price
- $400–650
- Website
- Amtrak
- Phone
- +1 888 842-7245
- Website
- VIA Rail
Train from Windsor to Toronto Union Station
- Ave. Duration
- 4h 10m
- Frequency
- 4 times a day
- Estimated price
- $80–300
- Website
- VIA Rail
- Escape
- $80–210
- Business
- $130–280
- Business Plus
- $140–300
- Economy
- $90–220
- Economy Plus
- $100–230
Train from Buffalo to Toronto Union Station
- Ave. Duration
- 4h 24m
- Frequency
- Once daily
- Estimated price
- $40–240
- Website
- VIA Rail
- Escape
- $40–130
- Business
- $85–230
- Business Plus
- $100–240
- Economy
- $45–140
- Economy Plus
- $50–150
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from St Louis Bus Station to Indianapolis Union Station
- Ave. Duration
- 4h 45m
- Frequency
- 3 times a day
- Estimated price
- $60–95
- Website
- Greyhound
Bus from St Louis Bus Station to Pittsburgh Intermodal Station
- Ave. Duration
- 14h 40m
- Frequency
- 3 times a day
- Estimated price
- $150–230
- Website
- Greyhound
- Phone
- +1 888-378-3823
- [email protected]
- Website
- Barons Bus
Bus from Indianapolis to Detroit
- Ave. Duration
- 5h 5m
- Frequency
- Once daily
- Estimated price
- $35–100
- Website
- Barons Bus
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Detroit Bus Station to Toronto
- Ave. Duration
- 6h 25m
- Frequency
- 4 times a day
- Estimated price
- $55–85
- Schedules at
- Flixbus USA
- Phone
- +1 800-858-8555
- Website
- Trailways
Bus from Pittsburgh, Pa to Buffalo, Ny
- Saver
- $60–250
- Flexible
- $110–260
Bus from Buffalo to Toronto
- Saver
- $30–85
- Flexible
- $60–90
Want to know more about travelling around Canada
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.
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Booking & Getting There
St. Louis to Ontario bus services, operated by Greyhound USA, arrive at Indianapolis Union Station.
Ontario is 1h ahead of St. Louis. It is currently 8:12 AM in St. Louis and 9:12 AM in Ontario.
St. Louis to Ontario train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between St. Louis to Ontario is 1199 km. It takes approximately 12h 43m to drive from St. Louis to Ontario.
Book your St. Louis to Ontario train tickets online with Omio.
Book your St. Louis to Ontario bus tickets online with Omio.
There are 1950+ hotels available in Ontario.



















