There are 5 ways to get from Casper to SeaTac by plane, bus (Flixbus), car, bus, train, 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 Casper (CPR) to Seattle-Tacoma International Airport (SEA)plane CPR - SEA
5h 35m$113–485Bus via Billings
- Take the bus from Casper Amtrak Station to Billings, MTbus
- Take the bus from Billings to Spokanebus
- Take the bus from Spokane Station to Seattle Tacoma Intl Airportbus
25h$267–382Drive 1,097.5 mi
- Drive from Casper to SeaTaccar 1,097.5 mi
16h 52m$201–290Bus, train
- Take the bus from Casper Amtrak Station to Billings, MTbus
- Take the bus from Billings to Spokanebus
- Take the train from Spokane to Seattletrain
28h 4m$325–520Bus
- Take the bus from Casper 144 East A St to Denver Union Stationbus Buffalo
- Take the bus from Denver Union Station to Seattle Bus Stationbus Greyhound US0550
36h 1m$293–500
Casper to SeaTac by bus
Questions & Answers
The cheapest way to get from Casper to SeaTac is to drive which costs $200 - $290 and takes 16h 52m.
The fastest way to get from Casper to SeaTac is to fly which takes 5h 35m and costs $110 - $490.
No, there is no direct bus from Casper station to SeaTac. However, there are services departing from Casper Amtrak Station and arriving at Seattle Tacoma Intl Airport via Billings and Spokane Station. The journey, including transfers, takes approximately 25h.
The distance between Casper and SeaTac is 847 miles. The road distance is 1103.9 miles.
The best way to get from Casper to SeaTac without a car is to bus via Billings which takes 25h and costs $260 - $390.
It takes approximately 5h 35m to get from Casper to SeaTac, including transfers.
Casper to SeaTac bus services, operated by Express Arrow, depart from Casper Amtrak Station.
The best way to get from Casper to SeaTac is to fly which takes 5h 35m and costs $110 - $490. Alternatively, you can bus via Billings, which costs $260 - $390 and takes 25h.
Casper to SeaTac bus services, operated by Express Arrow, arrive at Billings, MT station.
SeaTac is 1h behind Casper. It is currently 6:07 PM in Casper and 5:07 PM in SeaTac.
What companies run services between Casper, WY, USA and SeaTac, WA, USA?
United Airlines flies from Casper (CPR) to Seattle-Tacoma International Airport (SEA) every 4 hours. Alternatively, you can take a bus from Casper Amtrak Station to Seattle Tacoma Intl Airport via Billings, Spokane, and Spokane Station in around 25h.
- Website
- united.com
Flights from Casper to Seattle-Tacoma International Airport via Denver
- Ave. Duration
- 5h 40m
- When
- Every day
- Estimated price
- $100–470
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Spokane to Seattle
- Ave. Duration
- 8h 10m
- Frequency
- Once daily
- Estimated price
- $95–210
- Website
- Amtrak
- Phone
- +1-877-779-2999
- [email protected]
- Website
- Express Arrow
Bus from Casper Amtrak Station to Billings, MT
- Ave. Duration
- 7h 15m
- Frequency
- Once a week
- Estimated price
- $100–130
- Website
- Express Arrow
Bus from Casper Amtrak Station to Billings, MT
- Ave. Duration
- 7h 15m
- Frequency
- Once a week
- Estimated price
- $100–130
- Website
- Express Arrow
Bus from Casper 144 East A St to Denver Union Station
- Ave. Duration
- 6h 5m
- Frequency
- 4 times a week
- Estimated price
- $90–110
- Website
- Express Arrow
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Billings to Spokane
- Ave. Duration
- 10h
- Frequency
- Once daily
- Estimated price
- $120–180
- Book at
- Jefferson Lines
- Adult
- $120–180
Bus from Billings to Spokane
- Ave. Duration
- 10h
- Frequency
- Once daily
- Estimated price
- $120–180
- Book at
- Jefferson Lines
- Adult
- $120–180
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Spokane Station to Seattle Tacoma Intl Airport
- Ave. Duration
- 5h 45m
- Frequency
- Once daily
- Estimated price
- $40–75
- Schedules at
- Flixbus USA
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Denver Union Station to Seattle Bus Station
- Ave. Duration
- 28h 20m
- Frequency
- Once daily
- Estimated price
- $200–390
- Website
- Greyhound
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More Questions & Answers
Yes, the driving distance between Casper to SeaTac is 1104 miles. It takes approximately 16h 52m to drive from Casper to SeaTac.
There are 1114+ hotels available in SeaTac.












