There are 4 ways to get from Casper to Idaho Falls by plane, bus, 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 to Idaho Falls
best- Fly from Casper (CPR) to Idaho Falls (IDA)plane CPR - IDA
5h 25m$97–465Drive 363.9 mi
cheapest- Drive from Casper to Idaho Fallscar 363.9 mi
8h 12m$67–96Bus
- Take the bus from Casper to Billingsbus
- Take the bus from Billings to Buttebus
- Take the bus from Butte, MT to Idaho Falls, IDbus
16h 35m$202–292Fly to Jackson Hole Airport, bus
- Fly from Casper (CPR) to Jackson Hole Airport (JAC)plane CPR - JAC
- Take the bus from Jackson Airport, WY to Idaho Falls, IDbus
7h 50m$134–630
Casper (CPR) to Idaho Falls (IDA) flights
Comparing Your Travel Options
The cheapest way to get from Casper to Idaho Falls is to drive which costs $65 - $100 and takes 8h 12m.
The fastest way to get from Casper to Idaho Falls is to fly which takes 5h 25m and costs $95 - $470.
No, there is no direct bus from Casper to Idaho Falls. However, there are services departing from Casper and arriving at Idaho Falls, ID via Billings and Butte, MT. The journey, including transfers, takes approximately 16h 35m.
The distance between Casper and Idaho Falls is 300 miles. The road distance is 366.1 miles.
The best way to get from Casper to Idaho Falls without a car is to bus which takes 16h 35m and costs $200 - $300.
It takes approximately 5h 25m to get from Casper to Idaho Falls, including transfers.
Casper to Idaho Falls bus services, operated by Express Arrow, depart from Casper station.
The best way to get from Casper to Idaho Falls is to fly which takes 5h 25m and costs $95 - $470. Alternatively, you can bus, which costs $200 - $300 and takes 16h 35m.
Casper to Idaho Falls bus services, operated by Express Arrow, arrive at Billings station.
Yes, the driving distance between Casper to Idaho Falls is 366 miles. It takes approximately 8h 12m to drive from Casper to Idaho Falls.
What companies run services between Casper, WY, USA and Idaho Falls, ID, USA?
United Airlines flies from Casper (CPR) to Idaho Falls (IDA) 4 times a day. Alternatively, you can take a bus from Casper to Idaho Falls, ID via Billings and Butte, MT in around 16h 35m.
- Website
- united.com
Flights from Casper to Idaho Falls via Denver
- Ave. Duration
- 4h 42m
- When
- Every day
- Estimated price
- $75–410
Flights from Casper to Jackson Hole Airport via Denver
- Ave. Duration
- 4h 39m
- When
- Every day
- Estimated price
- $95–550
- Phone
- +1-877-779-2999
- [email protected]
- Website
- Express Arrow
Bus from Casper to Billings
- Ave. Duration
- 7h 15m
- Frequency
- Once a week
- Estimated price
- $100–130
- Website
- Express Arrow
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Billings to Butte
- Ave. Duration
- 3h 35m
- Frequency
- Twice daily
- Estimated price
- $55–85
- Book at
- Jefferson Lines
- Adult
- $55–85
- Phone
- +1 208-656-8824
- [email protected]
- Website
- Salt Lake Express
Bus from Butte, MT to Idaho Falls, ID
- Ave. Duration
- 3h 45m
- Frequency
- 4 times a week
- Estimated price
- $40–80
- Website
- Salt Lake Express
Bus from Jackson Airport, WY to Idaho Falls, ID
- Ave. Duration
- 2h 30m
- Frequency
- Twice daily
- Estimated price
- $26–65
- Website
- Salt Lake Express
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Booking & Getting There
There are 61+ hotels available in Idaho Falls.









