There are 6 ways to get from Portland to Casper by plane, train, bus, car, bus (Flixbus), 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
best- Fly from Portland International Airport (PDX) to Casper (CPR)plane PDX - CPR
6h 34m$135–568Train, bus via Buffalo
- Take the train from Portland to Spokanetrain
- Take the bus from Spokane Station to Billings, MTbus
- Take the bus from Billings to Buffalobus
- Take the bus from Buffalo, WY to Casper 144 East A Stbus
24h 50m$328–543Drive 1,044.2 mi
- Drive from Portland to Caspercar 1,044.2 mi
19h 25m$191–276Train, bus
- Take the train from Portland to Spokanetrain
- Take the bus from Spokane Station to Billings, MTbus
- Take the bus from Billings, MT to Casper Amtrak Stationbus
26h 22m$333–543Bus via Billings
- Take the bus from Portland Curbside Bus Stop to Spokane Stationbus
- Take the bus from Spokane Station to Billings, MTbus
- Take the bus from Billings, MT to Casper Amtrak Stationbus
26h 25m$266–385Bus
- Take the bus from Portland, OR - Lloyd Center to Kennewick, WA - Fred Meyerbus
- Take the bus from Pasco Bus Stop to Denver Union Stationbus
- Take the bus from Denver Union Station to Casper 144 East A Stbus
36h 19m$341–538
Portland to Casper by train and bus
Questions & Answers
The cheapest way to get from Portland to Casper is to drive which costs $190 - $280 and takes 19h 25m.
The fastest way to get from Portland to Casper is to fly which takes 6h 34m and costs $130 - $600.
No, there is no direct bus from Portland to Casper station. However, there are services departing from Portland Curbside Bus Stop and arriving at Casper Amtrak Station via Spokane Station and Billings, MT. The journey, including transfers, takes approximately 26h 25m.
The distance between Portland and Casper is 845 miles. The road distance is 1050.3 miles.
The best way to get from Portland to Casper without a car is to train and bus via Buffalo which takes 24h 50m and costs $320 - $550.
It takes approximately 6h 34m to get from Portland to Casper, including transfers.
Portland to Casper bus services, operated by Flixbus USA, depart from Portland Curbside Bus Stop station.
The best way to get from Portland to Casper is to fly which takes 6h 34m and costs $130 - $600. Alternatively, you can bus via Billings, which costs $260 - $390 and takes 26h 25m.
Portland to Casper bus services, operated by Flixbus USA, arrive at Spokane Station.
Casper is 1h ahead of Portland. It is currently 4:02 PM in Portland and 5:02 PM in Casper.
What companies run services between Portland, OR, USA and Casper, WY, USA?
United Airlines and Southwest Airlines fly from Portland International Airport (PDX) to Casper (CPR) 5 times a day. Alternatively, you can take a bus from Portland Curbside Bus Stop to Casper Amtrak Station via Spokane Station and Billings, MT in around 26h 25m.
- Website
- united.com
Flights from Portland International Airport to Casper via Denver
- Ave. Duration
- 4h 58m
- When
- Every day
- Estimated price
- $120–550
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Portland to Spokane
- Ave. Duration
- 7h 32m
- Frequency
- Once daily
- Estimated price
- $110–240
- Website
- https://www.amtrak.com/home.html
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Spokane Station to Billings, MT
- Ave. Duration
- 9h 50m
- Frequency
- Twice daily
- Estimated price
- $120–180
- Book at
- https://www.jeffersonlines.com
- Adult
- $120–180
Bus from Billings to Buffalo
- Ave. Duration
- 2h 35m
- Frequency
- Once daily
- Estimated price
- $45–65
- Book at
- https://www.jeffersonlines.com
- Adult
- $45–65
- Phone
- +1-877-779-2999
- tony@expressarrow.com
- Website
- expressarrow.com
Bus from Buffalo, WY to Casper 144 East A St
- Ave. Duration
- 1h 40m
- Frequency
- 4 times a week
- Estimated price
- $50–65
- Website
- https://expressarrow.com
Bus from Billings, MT to Casper Amtrak Station
- Ave. Duration
- 7h
- Frequency
- Once a week
- Estimated price
- $100–130
- Website
- https://expressarrow.com
Bus from Denver Union Station to Casper 144 East A St
- Ave. Duration
- 5h 55m
- Frequency
- 4 times a week
- Estimated price
- $90–110
- Website
- https://expressarrow.com
- Phone
- +1 (855) 626-8585
- Website
- https://www.flixbus.com
Bus from Portland Curbside Bus Stop to Spokane Station
- Ave. Duration
- 7h 35m
- Frequency
- Twice daily
- Estimated price
- $45–80
- Schedules at
- flixbus.com
Bus from Portland, OR - Lloyd Center to Kennewick, WA - Fred Meyer
- Ave. Duration
- 5h
- Frequency
- On demand
- Estimated price
- $80–100
- Schedules at
- starlinecollection.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Pasco Bus Stop to Denver Union Station
- Ave. Duration
- 22h 20m
- Frequency
- Once daily
- Estimated price
- $170–330
- Website
- https://www.greyhound.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
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
More Questions & Answers
Yes, the driving distance between Portland to Casper is 1050 miles. It takes approximately 19h 25m to drive from Portland to Casper.
There are 41+ hotels available in Casper.













