There are 9 ways to get from SeaTac to Union by plane, train (Amtrak), bus (Greyhound, Flixbus), car, 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 to Newark Liberty International Airport
best- Fly from Seattle-Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR)plane SEA - EWR
5h 52m$136–521Train via Penn Station (Amtrak)
- Take the train from Seattle to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Ny Moynihan Train Hall At Penn Stationtrain
2d 21h$885–2,016Bus
- Take the bus from Seattle Bus Station to Denver Union Stationbus
- Take the bus from Denver Union Station to Chicago Bus Stationbus
- Take the bus from Chicago Bus Station to Newark Penn Stationbus
3d$474–919Drive 2,790.8 mi
- Drive from SeaTac to Unioncar 2,790.8 mi
45h 27m$510–736Fly to John F. Kennedy International Airport
- Fly from Seattle-Tacoma International Airport (SEA) to John F. Kennedy International Airport (JFK)plane SEA - JFK
6h 55m$150–544Fly to Laguardia Airport, bus
- Fly from Seattle-Tacoma International Airport (SEA) to Laguardia Airport (LGA)plane SEA - LGA
- Take the bus from Port Authority Bus Terminal to Morris Ave At Grandview Avebus
8h 56m$221–827Fly to Philadelphia International Airport, train
- Fly from Seattle-Tacoma International Airport (SEA) to Philadelphia International Airport (PHL)plane SEA - PHL
- Take the train from 30th Street Station to Newark Penn Stationtrain
8h 32m$273–1,567Train (Amtrak)
- Take the train from Seattle to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Newark Penn Stationtrain
3d 4h$934–2,109Bus, train
- Take the bus from Seattle-Tacoma International Airport to Vancouver Waterfront Station, BCbus
- Take the train from Vancouver to Toronto Union Stationtrain
- Take the train from Toronto Union Station to New York Penn Stationtrain
- Take the bus from Port Authority Bus Terminal to Morris Ave At Grandview Avebus
4d 19h$374–650
SeaTac to Union by tram and train (Amtrak)
Questions & Answers
The cheapest way to get from SeaTac to Union is to fly which costs $130 - $550 and takes 5h 52m.
The fastest way to get from SeaTac to Union is to fly which takes 5h 52m and costs $130 - $550.
No, there is no direct bus from SeaTac to Union. However, there are services departing from International Blvd & S 176th St - Bay 2 and arriving at Vauxhall Rd At Coolidge Ave via Seattle Bus Station, Denver Union Station, Chicago Bus Station and Newark Penn Station. The journey, including transfers, takes approximately 3 days 0h.
No, there is no direct train from SeaTac to Union. However, there are services departing from SeaTac/Airport and arriving at Maplewood via Seattle, Chicago Union Station and New York Penn Station. The journey, including transfers, takes approximately 2 days 21h.
The distance between SeaTac and Union is 2414 miles. The road distance is 2807.1 miles.
The best way to get from SeaTac to Union without a car is to train via Penn Station which takes 2 days 21h and costs $850 - $2,100.
It takes approximately 5h 52m to get from SeaTac to Union, including transfers.
SeaTac to Union bus services, operated by Greyhound USA, depart from Seattle Bus Station.
SeaTac to Union train services, operated by Amtrak, depart from Seattle station.
The best way to get from SeaTac to Union is to fly which takes 5h 52m and costs $130 - $550. Alternatively, you can train via Penn Station, which costs $850 - $2,100 and takes 2 days 21h, you could also bus, which costs $470 - $950 and takes 3 days 0h.
What companies run services between SeaTac, WA, USA and Union, Union County, NJ, USA?
Alaska Airlines, Inc., United Airlines, and two other airlines fly from Seattle-Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR) hourly. Alternatively, you can take a vehicle from SeaTac/Airport to Maplewood via Int'l Dist/Chinatown, Seattle, Chicago Union Station, Ny Moynihan Train Hall At Penn Station, and New York Penn Station in around 2d 21h.
- Website
- delta.com
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport via Detroit
- Ave. Duration
- 8h 16m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport via Minneapolis
- Ave. Duration
- 8h 9m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport
- Ave. Duration
- 5h 28m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport via Detroit
- Ave. Duration
- 9h 4m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport via Minneapolis
- Ave. Duration
- 7h 46m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Minneapolis
- Ave. Duration
- 7h 44m
- When
- Every day
- Estimated price
- $210–800
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Detroit
- Ave. Duration
- 8h 21m
- When
- Every day
- Estimated price
- $210–800
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport
- Ave. Duration
- 5h 10m
- When
- Every day
- Estimated price
- $250–1,000
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport via Minneapolis
- Ave. Duration
- 8h 21m
- When
- Every day
- Estimated price
- $250–1,000
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport via Detroit
- Ave. Duration
- 8h 29m
- When
- Every day
- Estimated price
- $250–1,000
- Website
- alaskaair.com
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport
- Ave. Duration
- 5h 22m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport
- Ave. Duration
- 5h 26m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport
- Ave. Duration
- 5h 13m
- When
- Every day
- Estimated price
- $250–1,000
- Website
- aa.com
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport
- Ave. Duration
- 5h 24m
- When
- Every day
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Detroit
- Ave. Duration
- 7h
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $210–800
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Columbus
- Ave. Duration
- 7h 18m
- When
- Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- $210–850
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Cleveland
- Ave. Duration
- 8h 47m
- When
- Monday to Thursday
- Estimated price
- $210–850
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Indianapolis
- Ave. Duration
- 9h 20m
- When
- Every day
- Estimated price
- $210–850
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport
- Ave. Duration
- 5h 20m
- When
- Every day
- Estimated price
- $250–1,000
- Website
- united.com
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport
- Ave. Duration
- 5h 23m
- When
- Every day
- Estimated price
- $130–550
- Website
- southwest.com
Flights from Seattle-Tacoma International Airport to Laguardia Airport via Chicago Midway
- Ave. Duration
- 7h 55m
- When
- Tuesday to Friday
- Estimated price
- $210–850
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport via Chicago Midway
- Ave. Duration
- 7h 51m
- When
- Every day
- Estimated price
- $250–1,000
- Website
- suncountry.com
Flights from Seattle-Tacoma International Airport to Newark Liberty International Airport via Minneapolis
- Ave. Duration
- 7h 41m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport via Minneapolis
- Ave. Duration
- 7h 1m
- When
- Wednesday, Thursday, and Sunday
- Estimated price
- $130–550
Flights from Seattle-Tacoma International Airport to Philadelphia International Airport via Minneapolis
- Ave. Duration
- 7h 26m
- When
- Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $250–1,000
- Website
- jetblue.com
Flights from Seattle-Tacoma International Airport to John F. Kennedy International Airport
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $130–550
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Seattle to Chicago Union Station
- Ave. Duration
- 45h 50m
- Frequency
- Once daily
- Estimated price
- $600–1,400
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 20h 12m
- Frequency
- Once daily
- Estimated price
- $280–600
- Website
- https://www.amtrak.com/home.html
Train from 30th Street Station to Newark Penn Station
- Ave. Duration
- 1h 2m
- Frequency
- Every 30 minutes
- Estimated price
- $23–50
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Newark Penn Station
- Ave. Duration
- 27h 8m
- Frequency
- 3 times a week
- Estimated price
- $330–700
- Website
- https://www.amtrak.com/home.html
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from 30th Street Station to Newark Penn Station
- Ave. Duration
- 59 min
- Frequency
- Every 2 hours
- Estimated price
- $18–600
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- $18–450
- First Class
- $120–600
- Phone
- +1 888 842-7245
- Website
- viarail.ca
Train from Vancouver to Toronto Union Station
- Ave. Duration
- 3d 20h
- Frequency
- Twice a week
- Estimated price
- $250–440
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $250–440
- Economy Adult - Advanced Booking
- $340–440
- Economy Escape Advanced Booking - Adult
- $330–380
Train from Toronto Union Station to New York Penn Station
- Ave. Duration
- 13h 55m
- Frequency
- Once daily
- Estimated price
- $70–130
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $90–130
- Economy Adult - Advanced Booking
- $90–120
- Economy Escape Advanced Booking - Adult
- $70–95
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Seattle Bus Station to Denver Union Station
- Ave. Duration
- 27h 30m
- Frequency
- Once daily
- Estimated price
- $200–410
- Website
- https://www.greyhound.com/
Bus from Denver Union Station to Chicago Bus Station
- Ave. Duration
- 20h 30m
- Frequency
- Once daily
- Estimated price
- $150–300
- Website
- https://www.greyhound.com/
- Phone
- +1 (855) 626-8585
- Website
- https://www.flixbus.com
Bus from Chicago Bus Station to Newark Penn Station
- Ave. Duration
- 19h 25m
- Frequency
- Twice daily
- Estimated price
- $120–200
- Schedules at
- flixbus.com
- Phone
- +1 973-275-5555
- Website
- njtransit.com
Bus from Port Authority Bus Terminal to Morris Ave At Grandview Ave
- Ave. Duration
- 51 min
- Frequency
- Hourly
- Estimated price
- $8–26
- Website
- https://www.njtransit.com
- Website
- https://njtworldcup.com/
- Adults
- $8–26
- Phone
- +1 800.665.2122
- rez@quickcoach.com
- Website
- quickcoach.com
Bus from Seattle-Tacoma International Airport to Vancouver Waterfront Station, BC
- Ave. Duration
- 5h
- Frequency
- 3 times a day
- Estimated price
- $43–49
- Website
- https://quickcoach.com/en
- Schedules at
- https://quickcoach.com/en/schedule
- Adult
- $43–49
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More Questions & Answers
SeaTac to Union bus services, operated by Greyhound USA, arrive at Denver Union Station.
Union is 3h ahead of SeaTac. It is currently 12:10 PM in SeaTac and 3:10 PM in Union.
SeaTac to Union train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between SeaTac to Union is 2807 miles. It takes approximately 45h 27m to drive from SeaTac to Union.
There are 2780+ hotels available in Union.

















