There are 9 ways to get from Riverside to Boulder by plane, bus, bus (Flixbus, Greyhound), 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 from Ontario International Airport, bus
best- Fly from Ontario International Airport (ONT) to Denver (DEN)plane ONT - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
5h 38m$111–615Train to Burbank Bob Hope Airport, fly, bus
cheapest- Take the train from Riverside - Downtown to L.A. Union Stationtrain
- Fly from Burbank Bob Hope Airport (BUR) to Denver (DEN)plane BUR - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
7h 52m$104–487Bus
- Take the bus from San Bernardino to Las Vegas Stripbus
- Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus Ff1 / ...
24h 24m$162–306Train, bus
- Take the train from Riverside to Las Vegas Amtrak Stationtrain
- Take the bus from Las Vegas Transportation Center to Denverbus
- Take the bus from Union Station Gate B17 to Broadway & Regent Drbus Ff1 / ...
26h 9m$338–661Drive 990.5 mi
- Drive from Riverside to Bouldercar 990.5 mi
15h 38m$181–262Train to Los Angeles International Airport, fly, bus
- Take the train from Riverside - Downtown to L.A. Union Stationtrain
- Fly from Los Angeles International Airport (LAX) to Denver (DEN)plane LAX - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
7h 13m$350–830Train to John Wayne Airport Orange County, fly, bus
- Take the train from Riverside - Downtown to Fullertontrain
- Fly from John Wayne Airport Orange County (SNA) to Denver (DEN)plane SNA - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 14m$110–518Train to Long Beach Airport, fly, bus
- Take the train from Riverside - Downtown to L.A. Union Stationtrain
- Fly from Long Beach Airport (LGB) to Denver (DEN)plane LGB - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 46m$114–573Train, bus to Palm Springs International Airport, fly, bus
- Take the train from Riverside - Downtown to Fullertontrain
- Take the bus from Fullerton Amtrak Station to Palm Springs Airport Amtrak Bus Stopbus
- Fly from Palm Springs International Airport (PSP) to Denver (DEN)plane PSP - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 36m$171–814
Riverside to Boulder by bus
Questions & Answers
The cheapest way to get from Riverside to Boulder is to bus which costs $160 - $310 and takes 24h 24m.
The fastest way to get from Riverside to Boulder is to fly and bus which takes 5h 38m and costs $110 - $650.
No, there is no direct bus from Riverside to Boulder. However, there are services departing from Vine Street Mobility Hub and arriving at Broadway & Euclid Ave via San Bernardino, Las Vegas Strip, Las Vegas Bus Terminal and Union Station Gate B17. The journey, including transfers, takes approximately 24h 24m.
The distance between Riverside and Boulder is 888 miles. The road distance is 996.3 miles.
The best way to get from Riverside to Boulder without a car is to bus which takes 24h 24m and costs $160 - $310.
It takes approximately 5h 38m to get from Riverside to Boulder, including transfers.
Riverside to Boulder bus services, operated by Flixbus USA, depart from San Bernardino station.
Riverside to Boulder bus services, operated by Flixbus USA, arrive at Las Vegas Strip station.
Boulder is 1h ahead of Riverside. It is currently 8:14 PM in Riverside and 9:14 PM in Boulder.
Yes, the driving distance between Riverside to Boulder is 996 miles. It takes approximately 15h 38m to drive from Riverside to Boulder.
What companies run services between Riverside, Riverside County, CA, USA and Boulder, CO, USA?
You can take a bus from Vine Street Mobility Hub to Broadway & Euclid Ave via San Bernardino, Las Vegas Strip, Las Vegas Bus Terminal, Denver Union Station, and Union Station Gate B17 in around 24h 24m.
- Website
- southwest.com
Flights from Ontario International Airport to Denver
- Ave. Duration
- 2h 12m
- When
- Every day
- Estimated price
- $100–600
Flights from Ontario International Airport to Denver via Phoenix
- Ave. Duration
- 4h 2m
- When
- Every day
- Estimated price
- $110–600
Flights from Ontario International Airport to Denver via Las Vegas
- Ave. Duration
- 4h 2m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $100–600
Flights from Los Angeles International Airport to Denver
- Ave. Duration
- 2h 20m
- When
- Every day
- Estimated price
- $75–400
Flights from John Wayne Airport Orange County to Denver
- Ave. Duration
- 2h 18m
- When
- Every day
- Estimated price
- $95–500
Flights from John Wayne Airport Orange County to Denver via Las Vegas
- Ave. Duration
- 3h 57m
- When
- Monday to Friday
- Estimated price
- $95–500
Flights from John Wayne Airport Orange County to Denver via Phoenix
- Ave. Duration
- 3h 57m
- When
- Tuesday, Wednesday, Saturday, and Sunday
- Estimated price
- $100–550
Flights from Burbank Bob Hope Airport to Denver
- Ave. Duration
- 2h 20m
- When
- Every day
- Estimated price
- $85–460
Flights from Burbank Bob Hope Airport to Denver via Las Vegas
- Ave. Duration
- 4h 6m
- When
- Tuesday, Wednesday, and Sunday
- Estimated price
- $85–460
Flights from Long Beach Airport to Denver
- Ave. Duration
- 2h 17m
- When
- Every day
- Estimated price
- $95–550
Flights from Long Beach Airport to Denver via Las Vegas
- Ave. Duration
- 4h 5m
- When
- Every day
- Estimated price
- $95–550
Flights from Long Beach Airport to Denver via Phoenix
- Ave. Duration
- 4h 5m
- When
- Tuesday and Wednesday
- Estimated price
- $100–550
Flights from Palm Springs International Airport to Denver
- Ave. Duration
- 2h 4m
- When
- Every day
- Estimated price
- $130–750
Flights from Palm Springs International Airport to Denver via Las Vegas
- Ave. Duration
- 4h 6m
- When
- Tuesday, Wednesday, and Sunday
- Estimated price
- $140–750
- Website
- united.com
Flights from Ontario International Airport to Denver
- Ave. Duration
- 2h 22m
- When
- Every day
- Estimated price
- $100–600
Flights from Los Angeles International Airport to Denver
- Ave. Duration
- 2h 30m
- When
- Every day
- Estimated price
- $75–400
Flights from John Wayne Airport Orange County to Denver
- Ave. Duration
- 2h 25m
- When
- Every day
- Estimated price
- $95–500
Flights from Burbank Bob Hope Airport to Denver
- Ave. Duration
- 2h 30m
- When
- Every day
- Estimated price
- $85–460
Flights from Palm Springs International Airport to Denver
- Ave. Duration
- 2h 17m
- When
- Every day
- Estimated price
- $130–750
- Website
- aa.com
Flights from Los Angeles International Airport to Denver
- Ave. Duration
- 2h 31m
- When
- Every day
- Estimated price
- $75–400
Flights from Palm Springs International Airport to Denver via Phoenix
- Ave. Duration
- 4h 15m
- When
- Tuesday and Wednesday
- Estimated price
- $140–800
- Website
- flyfrontier.com
Flights from Ontario International Airport to Denver
- Ave. Duration
- 2h 23m
- When
- Every day
- Estimated price
- $100–600
Flights from Los Angeles International Airport to Denver
- Ave. Duration
- 2h 31m
- When
- Every day
- Estimated price
- $75–400
Flights from John Wayne Airport Orange County to Denver
- Ave. Duration
- 2h 26m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $95–500
- Website
- delta.com
Flights from Los Angeles International Airport to Denver
- Ave. Duration
- 2h 30m
- When
- Every day
- Estimated price
- $75–400
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Riverside to Las Vegas Amtrak Station
- Ave. Duration
- 18h 57m
- Frequency
- Once daily
- Estimated price
- $260–600
- Website
- https://www.amtrak.com/home.html
- Phone
- (800) 371-LINK (5465)
- Website
- metrolinktrains.com
Train from Riverside - Downtown to L.A. Union Station
- Ave. Duration
- 1h 28m
- Frequency
- Every 4 hours
- Estimated price
- $10–14
- Website
- https://metrolinktrains.com
Train from Riverside - Downtown to Fullerton
- Ave. Duration
- 49 min
- Frequency
- 5 times a day
- Estimated price
- $8–12
- Website
- https://metrolinktrains.com
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from San Bernardino to Las Vegas Strip
- Ave. Duration
- 3h 45m
- Frequency
- Twice daily
- Estimated price
- $27–50
- Schedules at
- flixbus.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Las Vegas Bus Terminal to Denver Union Station
- Ave. Duration
- 16h 5m
- Frequency
- Once daily
- Estimated price
- $130–250
- Website
- https://www.greyhound.com/
- Phone
- +1 800-923-1799
- contactus@omexusa.net
- Website
- omnibusexpress.com
Bus from Las Vegas Transportation Center to Denver
- Ave. Duration
- 4h 46m
- Frequency
- 4 times a day
- Estimated price
- $70–90
- Schedules at
- omnibusexpress.com
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Bus from Fullerton Amtrak Station to Palm Springs Airport Amtrak Bus Stop
- Ave. Duration
- 2h 10m
- Frequency
- Twice daily
- Estimated price
- $30–50
- Website
- https://www.amtrak.com/home.html
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
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
More Questions & Answers
There are 569+ hotels available in Boulder.












