There are 4 ways to get from Casper to Ontario by plane, bus (Greyhound), bus, train, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly
best- Fly from Casper (CPR) to Ontario International Airport (ONT)CPR - ONT
4h 57m$113–565Bus
- Take the bus from Casper Amtrak Station to Denver Union Station
- Take the bus from Denver Union Station to Las Vegas BusTerminal
- Take the bus from Las Vegas BusTerminal to Montclair Transcenter
30h 3m$190–312Bus, train
- Take the bus from Casper Amtrak Station to Denver Union Station
- Take the bus from Denver to Las Vegas Transportation Center
- Take the train from Las Vegas Amtrak Station to Riverside
34h 21m$241–478Drive 1,029.1 mi
- Drive from Casper to Ontario1,029.1 mi
17h 1m$188–272
Casper to Ontario by bus
Questions & Answers
The cheapest way to get from Casper to Ontario is to drive which costs $180 - $280 and takes 17h 1m.
The fastest way to get from Casper to Ontario is to fly which takes 4h 57m and costs $110 - $600.
No, there is no direct bus from Casper station to Ontario. However, there are services departing from Casper Amtrak Station and arriving at Mountain @ D Street via Denver Union Station, Las Vegas BusTerminal and Montclair Transit Center. The journey, including transfers, takes approximately 30h 3m.
The distance between Casper and Ontario is 873 miles. The road distance is 1035.1 miles.
The best way to get from Casper to Ontario without a car is to bus which takes 30h 3m and costs $190 - $320.
It takes approximately 4h 57m to get from Casper to Ontario, including transfers.
Casper to Ontario bus services, operated by Express Arrow, depart from Casper Amtrak Station.
The best way to get from Casper to Ontario is to fly which takes 4h 57m and costs $110 - $600. Alternatively, you can bus, which costs $190 - $320 and takes 30h 3m.
Casper to Ontario bus services, operated by Express Arrow, arrive at Denver Union Station.
Ontario is 1h behind Casper. It is currently 6:41 AM in Casper and 5:41 AM in Ontario.
What companies run services between Casper, WY, USA and Ontario, CA, USA?
United Airlines flies from Casper (CPR) to Ontario International Airport (ONT) twice daily. Alternatively, you can take a bus from Casper Amtrak Station to Mountain @ D Street via Denver Union Station, Las Vegas BusTerminal, Montclair Transcenter, and Montclair Transit Center in around 30h 3m.
- Website
- united.com
Flights from Casper to Ontario International Airport via Denver
- Ave. Duration
- 5h 39m
- When
- Every day
- Estimated price
- $100–550
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Las Vegas Amtrak Station to Riverside
- Ave. Duration
- 19h 33m
- Frequency
- Twice daily
- Estimated price
- $85–290
- Website
- https://www.amtrak.com/home.html
- Coach Seat - Advance Purchase
- $85–240
- Coach Seat short notice purchase
- $120–290
- Business - advance purchase
- $170–700
- Business Class
- $250–650
- Phone
- +1-877-779-2999
- tony@expressarrow.com
- Website
- expressarrow.com
Bus from Casper Amtrak Station to Denver Union Station
- Ave. Duration
- 6h 5m
- Frequency
- 4 times a week
- Estimated price
- $80–95
- Website
- https://expressarrow.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Denver Union Station to Las Vegas BusTerminal
- Ave. Duration
- 15h 30m
- Frequency
- Once daily
- Estimated price
- $60–150
- Website
- https://www.greyhound.com/
Bus from Las Vegas BusTerminal to Montclair Transcenter
- Ave. Duration
- 5h 25m
- Frequency
- Once daily
- Estimated price
- $45–65
- Website
- https://www.greyhound.com/
- Phone
- +1 800-923-1799
- contactus@omexusa.net
- Website
- omnibusexpress.com
Bus from Denver to Las Vegas Transportation Center
- Ave. Duration
- 4h 45m
- Frequency
- 3 times a day
- Estimated price
- $70–90
- Schedules at
- omnibusexpress.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 Casper to Ontario is 1035 miles. It takes approximately 17h 1m to drive from Casper to Ontario.
There are 204+ hotels available in Ontario.











