There are 9 ways to get from St. Louis Airport (STL) to Ontario by plane, bus (Greyhound, Flixbus, Amtrak), train (Amtrak), car, 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 to Ontario International Airport
best- Fly from Lambert–St. Louis International Airport (STL) to Ontario International Airport (ONT)plane STL - ONT
5h 15m$170–750Fly to Long Beach Airport, train
cheapest- Fly from Lambert–St. Louis International Airport (STL) to Long Beach Airport (LGB)plane STL - LGB
- Take the train from Los Angeles to Ontario Amtraktrain
9h 59m$120–457Bus
- Take the bus from Saint Louis to Phoenix Bus Stationbus
- Take the bus from Phoenix Bus Station to San Bernardino Downtown Transit Centerbus
- Take the bus from San Bernardino to Ontario Amtrakbus
38h 15m$291–534Train via Kansas City (Amtrak)
- Take the train from St. Louis to Kansas Citytrain Missouri River Runner / ...
- Take the train from Kansas City to Riversidetrain Southwest Chief
43h 29m$644–1,402Drive 1,778 mi
- Drive from St. Louis Airport (STL) to Ontariocar 1,778 mi
28h 6m$325–469Fly to Los Angeles International Airport, train
- Fly from Lambert–St. Louis International Airport (STL) to Los Angeles International Airport (LAX)plane STL - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
6h 42m$148–331Fly to Burbank Bob Hope Airport, train
- Fly from Lambert–St. Louis International Airport (STL) to Burbank Bob Hope Airport (BUR)plane STL - BUR
- Take the train from Los Angeles to Ontario Amtraktrain
9h 14m$225–898Fly to John Wayne Airport Orange County, train
- Fly from Lambert–St. Louis International Airport (STL) to John Wayne Airport Orange County (SNA)plane STL - SNA
- Take the train from Los Angeles to Ontario Amtraktrain
11h 33m$238–942Train (Amtrak)
- Take the train from St. Louis to Ontario Amtraktrain Texas Eagle
2d 11h$752–1,602
St. Louis Airport (STL) to Ontario by bus
Questions & Answers
The cheapest way to get from St. Louis Airport (STL) to Ontario is to fly and train which costs $140 - $340 and takes 6h 42m.
The fastest way to get from St. Louis Airport (STL) to Ontario is to fly which takes 5h 15m and costs $170 - $750.
No, there is no direct bus from St. Louis Airport (STL) to Ontario. However, there are services departing from Saint Louis and arriving at Ontario Amtrak via Phoenix Bus Station, San Bernardino Transit Center and San Bernardino. The journey, including transfers, takes approximately 38h 15m.
No, there is no direct train from St. Louis Airport (STL) station to Ontario. However, there are services departing from LAMBERT AIRPORT TERMINAL #1 station and arriving at Riverside via St. Louis and Kansas City. The journey, including transfers, takes approximately 43h 29m.
The distance between St. Louis Airport (STL) and Ontario is 1552 miles. The road distance is 1788.4 miles.
The best way to get from St. Louis Airport (STL) to Ontario without a car is to bus which takes 38h 15m and costs $290 - $550.
It takes approximately 5h 15m to fly from Lambert–St. Louis International Airport (STL) to Ontario International Airport (ONT), including transfers and time at the airport.
St. Louis Airport (STL) to Ontario bus services, operated by Greyhound USA, depart from Saint Louis station.
St. Louis Airport (STL) to Ontario train services, operated by Amtrak, depart from St. Louis station.
The best way to get from St. Louis Airport (STL) to Ontario is to fly which takes 5h 15m and costs $170 - $750. Alternatively, you can bus, which costs $290 - $550 and takes 38h 15m, you could also train via Kansas City, which costs $600 - $1,400 and takes 43h 29m.
What companies run services between St. Louis Airport (STL), USA and Ontario, CA, USA?
Southwest Airlines, American Airlines, and two other airlines fly from Lambert–St. Louis International Airport (STL) to Ontario International Airport (ONT) hourly. Alternatively, you can take a bus from Saint Louis to Ontario Amtrak via Phoenix Bus Station, San Bernardino Downtown Transit Center, San Bernardino Transit Center, 2nd Street @ L Street, and San Bernardino in around 38h 15m.
- Website
- southwest.com
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 5h 57m
- When
- Monday, Thursday, Friday, Tuesday, Wednesday, and Sunday
- Estimated price
- $170–750
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 5h 38m
- When
- Tuesday, Wednesday, and Saturday
- Estimated price
- $170–750
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Denver
- Ave. Duration
- 6h 16m
- When
- Every day
- Estimated price
- $170–750
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Dallas
- Ave. Duration
- 6h 7m
- When
- Sunday, Monday, Thursday, and Friday
- Estimated price
- $180–800
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Sacramento
- Ave. Duration
- 6h 15m
- When
- Monday, Thursday, and Friday
- Estimated price
- $210–850
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport
- Ave. Duration
- 3h 53m
- When
- Every day
- Estimated price
- $120–550
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 5h 35m
- When
- Sunday
- Estimated price
- $130–550
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 5h 50m
- When
- Sunday and Saturday
- Estimated price
- $130–550
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 5h 53m
- When
- Every day
- Estimated price
- $130–550
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Phoenix
- Ave. Duration
- 6h 11m
- When
- Monday, Thursday, Friday, Tuesday, Wednesday, and Sunday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Las Vegas
- Ave. Duration
- 5h 46m
- When
- Sunday, Monday, Thursday, Friday, and Saturday
- Estimated price
- $200–900
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Denver
- Ave. Duration
- 6h 5m
- When
- Sunday, Tuesday, Wednesday, and Saturday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Dallas
- Ave. Duration
- 7h 31m
- When
- Tuesday, Wednesday, Sunday, Monday, Thursday, and Friday
- Estimated price
- $220–950
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Austin
- Ave. Duration
- 8h 35m
- When
- Sunday
- Estimated price
- $240–1,000
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Las Vegas
- Ave. Duration
- 6h 20m
- When
- Tuesday to Friday
- Estimated price
- $100–430
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Phoenix
- Ave. Duration
- 6h 6m
- When
- Every day
- Estimated price
- $100–430
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Denver
- Ave. Duration
- 6h 25m
- When
- Every day
- Estimated price
- $100–430
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Dallas
- Ave. Duration
- 6h 58m
- When
- Every day
- Estimated price
- $110–460
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Houston Hobby Apt
- Ave. Duration
- 6h 55m
- When
- Tuesday, Wednesday, Saturday, and Sunday
- Estimated price
- $120–500
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Sacramento
- Ave. Duration
- 6h 35m
- When
- Tuesday and Wednesday
- Estimated price
- $120–500
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Austin
- Ave. Duration
- 8h 20m
- When
- Sunday, Tuesday, and Wednesday
- Estimated price
- $120–480
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Phoenix
- Ave. Duration
- 5h 58m
- When
- Sunday, Monday, Thursday, and Friday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Las Vegas
- Ave. Duration
- 5h 35m
- When
- Monday to Saturday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Denver
- Ave. Duration
- 6h 8m
- When
- Saturday, Sunday, Monday, Thursday, and Friday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Sacramento
- Ave. Duration
- 6h 45m
- When
- Monday, Thursday, and Friday
- Estimated price
- $260–1,100
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Dallas
- Ave. Duration
- 6h 50m
- When
- Saturday
- Estimated price
- $230–950
- Website
- aa.com
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 5h 54m
- When
- Every day
- Estimated price
- $170–750
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Dallas/Ft.Worth
- Ave. Duration
- 6h 30m
- When
- Every day
- Estimated price
- $180–800
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport
- Ave. Duration
- 4h 10m
- When
- Every day
- Estimated price
- $120–550
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 6h 7m
- When
- Every day
- Estimated price
- $130–550
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Phoenix
- Ave. Duration
- 5h 39m
- When
- Sunday
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Dallas/Ft.Worth
- Ave. Duration
- 6h 46m
- When
- Every day
- Estimated price
- $220–950
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Dallas/Ft.Worth
- Ave. Duration
- 6h 13m
- When
- Every day
- Estimated price
- $230–950
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Phoenix
- Ave. Duration
- 6h 23m
- When
- Every day
- Estimated price
- $210–900
- Website
- united.com
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Denver
- Ave. Duration
- 6h 1m
- When
- Every day
- Estimated price
- $170–750
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 5h 53m
- When
- Every day
- Estimated price
- $130–550
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Denver
- Ave. Duration
- 7h 55m
- When
- Every day
- Estimated price
- $210–900
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Denver
- Ave. Duration
- 6h 1m
- When
- Every day
- Estimated price
- $210–900
- Website
- delta.com
Flights from Lambert–St. Louis International Airport to Ontario International Airport via Salt Lake City
- Ave. Duration
- 6h 44m
- When
- Every day
- Estimated price
- $180–750
Flights from Lambert–St. Louis International Airport to Burbank Bob Hope Airport via Salt Lake City
- Ave. Duration
- 6h 48m
- When
- Every day
- Estimated price
- $220–950
Flights from Lambert–St. Louis International Airport to Long Beach Airport via Salt Lake City
- Ave. Duration
- 6h 16m
- When
- Every day
- Estimated price
- $110–450
Flights from Lambert–St. Louis International Airport to John Wayne Airport Orange County via Salt Lake City
- Ave. Duration
- 6h 5m
- When
- Every day
- Estimated price
- $230–950
- Website
- flyfrontier.com
Flights from Lambert–St. Louis International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 6h 3m
- When
- Every day
- Estimated price
- $120–210
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from St. Louis to Kansas City
- Ave. Duration
- 5h 40m
- Frequency
- Twice daily
- Estimated price
- $85–190
- Website
- Amtrak
Train from Kansas City to Riverside
- Ave. Duration
- 33h 53m
- Frequency
- Once daily
- Estimated price
- $550–1,200
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $11–25
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $11–25
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $11–25
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $11–25
- Website
- Amtrak
Train from St. Louis to Ontario Amtrak
- Ave. Duration
- 2d 9h
- Frequency
- 3 times a week
- Estimated price
- $750–1,600
- Website
- Amtrak
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Saint Louis to Phoenix Bus Station
- Ave. Duration
- 29h 30m
- Frequency
- Twice daily
- Estimated price
- $230–440
- Website
- Greyhound
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Phoenix Bus Station to San Bernardino Downtown Transit Center
- Ave. Duration
- 5h 50m
- Frequency
- Once a week
- Estimated price
- $50–85
- Schedules at
- Flixbus USA
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Bus from San Bernardino to Ontario Amtrak
- Ave. Duration
- 45 min
- Frequency
- Twice daily
- Estimated price
- $9–14
- Website
- Amtrak
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More Questions & Answers
There is no direct flight from Lambert–St. Louis International Airport Airport to Ontario International Airport Airport. The quickest flight takes 5h 15m and has one stopover.
St. Louis Airport (STL) to Ontario bus services, operated by Greyhound USA, arrive at Phoenix Bus Station.
Ontario is 2h behind St. Louis Airport (STL). It is currently 11:07 AM in St. Louis Airport (STL) and 9:07 AM in Ontario.
St. Louis Airport (STL) to Ontario train services, operated by Amtrak, arrive at Kansas City station.
Yes, the driving distance between St. Louis Airport (STL) to Ontario is 1788 miles. It takes approximately 28h 6m to drive from St. Louis Airport (STL) to Ontario.
United Airlines, Delta, American Airlines and Southwest Airlines offer flights from Lambert–St. Louis International Airport Airport to Ontario International Airport Airport.
There are 223+ hotels available in Ontario.








