There are 6 ways to get from Chicago to SeaTac by plane, train (Amtrak), bus (Greyhound), car, 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 from Chicago O'Hare International Airport
best- Fly from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA)plane ORD - SEA
6h 18m$122–555Train (Amtrak)
- Take the train from Chicago Union Station to Seattletrain Empire Builder
47h 2m$603–1,301Bus (Greyhound)
- Take the bus from Chicago Bus Station to Denver Union Stationbus Greyhound US0123S
- Take the bus from Denver Union Station to Seattle Bus Stationbus Greyhound US0550
2d 3h$387–733Drive 2,017.6 mi
- Drive from Chicago to SeaTaccar 2,017.6 mi
32h 29m$369–532Fly from Chicago Midway International Airport
- Fly from Chicago Midway International Airport (MDW) to Seattle-Tacoma International Airport (SEA)plane MDW - SEA
6h 1m$172–805Train to General Mitchell International Airport, fly
- Take the train from Chicago Union Station to Milwaukeetrain
- Fly from General Mitchell International Airport (MKE) to Seattle-Tacoma International Airport (SEA)plane MKE - SEA
7h 31m$265–1,164
Chicago to SeaTac by train and tram (Amtrak)
Questions & Answers
The cheapest way to get from Chicago to SeaTac is to fly which costs $120 - $600 and takes 6h 18m.
The fastest way to get from Chicago to SeaTac is to fly which takes 6h 1m and costs $170 - $850.
No, there is no direct bus from Chicago station to SeaTac. However, there are services departing from Chicago Bus Station and arriving at International Blvd & S 176th St - Bay 1 via Denver Union Station and SODO Busway & S Royal Brougham Way. The journey, including transfers, takes approximately 2 days 3h.
No, there is no direct train from Chicago station to SeaTac. However, there are services departing from Chicago Union Station and arriving at SeaTac/Airport via Int'l Dist/Chinatown. The journey, including transfers, takes approximately 47h 2m.
The distance between Chicago and SeaTac is 1744 miles. The road distance is 2029.4 miles.
The best way to get from Chicago to SeaTac without a car is to train which takes 47h 2m and costs $600 - $1,300.
It takes approximately 6h 18m to get from Chicago to SeaTac, including transfers.
Chicago to SeaTac bus services, operated by Greyhound USA, depart from Chicago Bus Station.
Chicago to SeaTac train services, operated by Amtrak, depart from Chicago Union Station.
The best way to get from Chicago to SeaTac is to fly which takes 6h 18m and costs $120 - $600. Alternatively, you can train, which costs $600 - $1,300 and takes 47h 2m, you could also bus, which costs $380 - $750 and takes 2 days 3h.
What companies run services between Chicago, IL, USA and SeaTac, WA, USA?
American Airlines, Alaska Airlines, Inc., and two other airlines fly from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA) hourly. Alternatively, Amtrak operates a train from Chicago Union Station to Seattle twice daily. Tickets cost $600–1,300 and the journey takes 46h 24m.
- Website
- united.com
Flights from Chicago O'Hare International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 45m
- When
- Every day
- Estimated price
- $120–550
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Chicago O'Hare International Airport
- Ave. Duration
- 6h 47m
- When
- Every day
- Estimated price
- $250–1,100
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Denver
- Ave. Duration
- 7h
- When
- Every day
- Estimated price
- $260–1,200
- Website
- aa.com
Flights from Chicago O'Hare International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 39m
- When
- Every day
- Estimated price
- $120–550
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 29m
- When
- Every day
- Estimated price
- $240–1,100
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Chicago O'Hare International Airport
- Ave. Duration
- 6h 45m
- When
- Monday to Saturday
- Estimated price
- $250–1,100
- Website
- delta.com
Flights from Chicago O'Hare International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 32m
- When
- Every day
- Estimated price
- $120–550
Flights from Chicago Midway International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 8h 9m
- When
- Every day
- Estimated price
- $170–800
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 6h 25m
- When
- Every day
- Estimated price
- $240–1,100
- Website
- alaskaair.com
Flights from Chicago O'Hare International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 38m
- When
- Every day
- Estimated price
- $120–550
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 29m
- When
- Every day
- Estimated price
- $240–1,100
- Website
- southwest.com
Flights from Chicago Midway International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $170–800
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Denver
- Ave. Duration
- 6h 40m
- When
- Every day
- Estimated price
- $260–1,200
Flights from General Mitchell International Airport to Seattle-Tacoma International Airport via Chicago Midway International Airport
- Ave. Duration
- 6h 30m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $250–1,100
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Chicago Union Station to Seattle
- Ave. Duration
- 46h 24m
- Frequency
- Twice daily
- Estimated price
- $600–1,300
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Milwaukee
- Ave. Duration
- 1h 29m
- Frequency
- Every 4 hours
- Estimated price
- $23–50
- Website
- https://www.amtrak.com/home.html
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 35m
- Frequency
- Once daily
- Estimated price
- $160–310
- Website
- https://www.greyhound.com/
Bus from Denver Union Station to Seattle Bus Station
- Ave. Duration
- 27h 15m
- Frequency
- Once daily
- Estimated price
- $220–420
- 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
Chicago to SeaTac bus services, operated by Greyhound USA, arrive at Denver Union Station.
SeaTac is 2h behind Chicago. It is currently 6:05 AM in Chicago and 4:05 AM in SeaTac.
Chicago to SeaTac train services, operated by Amtrak, arrive at Seattle station.
Yes, the driving distance between Chicago to SeaTac is 2029 miles. It takes approximately 32h 29m to drive from Chicago to SeaTac.
There are 2377+ hotels available in SeaTac.






