There are 5 ways to get from Casper to SeaTac by plane, bus (Flixbus), car, bus (Amtrak), bus, or train
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)CPR - SEA
5h 58m$113–505Bus
- Take the bus from Casper Amtrak Station to Billings, MT
- Take the bus from Billings to Spokane
- Take the bus from Spokane Station to Seattle Tacoma Intl Airport
24h 15m$192–401Drive 1,097.5 mi
- Drive from Casper to SeaTac1,097.5 mi
16h 52m$201–290Bus via Seattle - Amtrak
- Take the bus from Casper Amtrak Station to Billings, MT
- Take the bus from Billings to Spokane
- Take the bus from Spokane Station to Seattle - Amtrak
26h 32m$195–414Bus, train
- Take the bus from Casper Amtrak Station to Billings, MT
- Take the bus from Billings to Spokane
- Take the train from Spokane to Seattle
27h 17m$225–524
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 58m and costs $110 - $550.
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 24h 15m.
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 which takes 24h 15m and costs $190 - $410.
It takes approximately 5h 58m 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 58m and costs $110 - $550. Alternatively, you can bus, which costs $190 - $410 and takes 24h 15m.
Casper to SeaTac bus services, operated by Express Arrow, arrive at Billings, MT station.
SeaTac is 1h behind Casper. It is currently 12:21 AM in Casper and 11:21 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) 4 times a day. Alternatively, you can take a bus from Casper Amtrak Station to Seattle Tacoma Intl Airport via Billings, MT, Billings, and Spokane Station in around 24h 15m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- united.com
Flights from Casper to Seattle-Tacoma International Airport via Denver
- Ave. Duration
- 6h 5m
- When
- Every day
- Estimated price
- $100–490
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Spokane to Seattle
- Ave. Duration
- 8h 10m
- Frequency
- Twice daily
- Estimated price
- $75–220
- Website
- https://www.amtrak.com/home.html
- Phone
- +1-877-779-2999
- tony@expressarrow.com
- Website
- expressarrow.com
Bus from Casper Amtrak Station to Billings, MT
- Ave. Duration
- 7h 15m
- Frequency
- Once a week
- Estimated price
- $95–120
- Website
- https://expressarrow.com
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Billings to Spokane
- Ave. Duration
- 9h 15m
- Frequency
- 4 times a week
- Estimated price
- $50–190
- Book at
- https://www.jeffersonlines.com
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Spokane Station to Seattle Tacoma Intl Airport
- Ave. Duration
- 5h 45m
- Frequency
- Once daily
- Estimated price
- $45–100
- Schedules at
- flixbus.com
- Phone
- +1 208-656-8824
- info@saltlakeexpress.com
- Website
- saltlakeexpress.com
Bus from Spokane Station to Seattle - Amtrak
- Ave. Duration
- 7h 25m
- Frequency
- Twice daily
- Estimated price
- $55–100
- Schedules at
- saltlakeexpress.com
- Phone
- +1 800-366-6975
- info@busnws.com
- Website
- northwesternstagelines.com
Bus from Spokane Station to Seattle - Amtrak
- Ave. Duration
- 7h 25m
- Frequency
- Once daily
- Estimated price
- $45–110
- Schedules at
- northwesternstagelines.com
- Adults 12 and over
- $45–110
Rome2Rio's guide to Amtrak Thruway
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Bus from Spokane Station to Seattle - Amtrak
- Ave. Duration
- 7h 50m
- Frequency
- Once daily
- Estimated price
- $50–65
- Website
- https://www.amtrak.com/home.html
- Adult
- $50–65
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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 1149+ hotels available in SeaTac.



















