There are 6 ways to get from Portland to Thornton by plane, train, bus (Flixbus, Greyhound), bus, car, or train (Amtrak)
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 Portland International Airport, train
best- Fly from Portland International Airport (PDX) to Denver (DEN)PDX - DEN
- Take the train from Union Station to Original Thornton - 88th Station Track 2
5h 23m$166–766Bus
cheapest- Take the bus from Portland Curbside Bus Stop to Sacramento Bus Station
- Take the bus from Sacramento Bus Station to Sparks Transit Center
- Take the bus from Sparks Transit Center to Denver Union Station
38h 25m$153–410Bus, train
- Take the bus from Portland Union Station to Bend Hawthorne Station
- Take the bus from Bend Hawthorne Station to Klamath Falls Amtrak Station
- Take the bus from Greyhound Connection To Medford Via The Shuttle Klamath Falls + Amtrak Klamath Falls Rail Station to Corner Of Main And West Fifth Ave
- Take the bus from Corner Of Main And West Fifth Ave to Amtrak Reno
- Take the train from Reno to Denver
43h 58m$177–508Drive 1,214.8 mi
- Drive from Portland to Thornton1,214.8 mi
19h 21m$222–321Train to Mahlon Sweet Field Airport, fly
- Take the train from Portland to Eugene
- Fly from Mahlon Sweet Field Airport (EUG) to Denver (DEN)EUG - DEN
7h 51m$232–992Train (Amtrak)
- Take the train from Portland to SacramentoCoast Starlight
- Take the train from Sacramento to DenverCalifornia Zephyr
2d$211–1,512
Portland to Thornton by bus
Questions & Answers
The cheapest way to get from Portland to Thornton is to bus which costs $150 - $410 and takes 38h 25m.
The fastest way to get from Portland to Thornton is to fly and train which takes 5h 23m and costs $160 - $800.
No, there is no direct bus from Portland to Thornton. However, there are services departing from Portland Curbside Bus Stop and arriving at Thornton PnR Gate B via Sacramento Bus Station, Sparks Transit Center and Union Station Gate B15. The journey, including transfers, takes approximately 38h 25m.
No, there is no direct train from Portland to Thornton station. However, there are services departing from Portland and arriving at Original Thornton - 88th Station Track 2 via Sacramento and Union Station. The journey, including transfers, takes approximately 2 days 0h.
The distance between Portland and Thornton is 1038 miles. The road distance is 1221.9 miles.
The best way to get from Portland to Thornton without a car is to bus which takes 38h 25m and costs $150 - $410.
It takes approximately 5h 23m to get from Portland to Thornton, including transfers.
Portland to Thornton bus services, operated by Flixbus USA, depart from Portland Curbside Bus Stop station.
Portland to Thornton train services, operated by Amtrak, depart from Portland station.
The best way to get from Portland to Thornton is to bus which takes 38h 25m and costs $150 - $410. Alternatively, you can train, which costs $210 - $1,600 and takes 2 days 0h.
What companies run services between Portland, OR, USA and Thornton, CO, USA?
You can take a bus from Portland Curbside Bus Stop to Thornton PnR Gate B via Sacramento Bus Station, Sparks Transit Center, Denver Union Station, and Union Station Gate B15 in around 38h 25m. Alternatively, you can take a train from Portland to Original Thornton - 88th Station Track 2 via Sacramento, Denver, and Union Station in around 2d.
- Website
- southwest.com
Flights from Portland International Airport to Denver
- Ave. Duration
- 2h 24m
- When
- Every day
- Estimated price
- $150–750
Flights from Mahlon Sweet Field Airport to Denver
- Ave. Duration
- 2h 25m
- When
- Every day
- Estimated price
- $170–900
Flights from Mahlon Sweet Field Airport to Denver via San Jose
- Ave. Duration
- 5h 15m
- When
- Monday, Tuesday, Friday, Saturday, and Sunday
- Estimated price
- $220–1,100
Flights from Mahlon Sweet Field Airport to Denver via Oakland
- Ave. Duration
- 5h 32m
- When
- Wednesday, Thursday, and Saturday
- Estimated price
- $220–1,000
Flights from Mahlon Sweet Field Airport to Denver via Sacramento
- Ave. Duration
- 5h 30m
- When
- Monday, Tuesday, Friday, and Sunday
- Estimated price
- $210–1,000
- Website
- alaskaair.com
Flights from Portland International Airport to Denver
- Ave. Duration
- 2h 33m
- When
- Every day
- Estimated price
- $150–750
Flights from Mahlon Sweet Field Airport to Denver via Portland International Airport
- Ave. Duration
- 4h 28m
- When
- Every day
- Estimated price
- $190–900
Flights from Mahlon Sweet Field Airport to Denver via Seattle
- Ave. Duration
- 5h 8m
- When
- Monday, Tuesday, Thursday, and Friday
- Estimated price
- $200–950
- Website
- united.com
Flights from Portland International Airport to Denver
- Ave. Duration
- 2h 33m
- When
- Every day
- Estimated price
- $150–750
Flights from Mahlon Sweet Field Airport to Denver
- Ave. Duration
- 2h 39m
- When
- Every day
- Estimated price
- $170–900
- Website
- flyfrontier.com
Flights from Portland International Airport to Denver
- Ave. Duration
- 2h 28m
- When
- Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- $150–750
- Website
- delta.com
Flights from Mahlon Sweet Field Airport to Denver via Salt Lake City
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $180–900
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Train from Union Station to Original Thornton - 88th Station Track 2
- Ave. Duration
- 18 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Reno to Denver
- Ave. Duration
- 25h 50m
- Frequency
- Once daily
- Estimated price
- $95–330
- Website
- https://www.amtrak.com/home.html
Train from Portland to Eugene
- Ave. Duration
- 2h 38m
- Frequency
- 3 times a day
- Estimated price
- $19–40
- Website
- https://www.amtrak.com/home.html
Train from Portland to Sacramento
- Ave. Duration
- 16h 6m
- Frequency
- Once daily
- Estimated price
- $85–210
- Website
- https://www.amtrak.com/home.html
Train from Sacramento to Denver
- Ave. Duration
- 31h 4m
- Frequency
- Once daily
- Estimated price
- $120–1,300
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Portland Curbside Bus Stop to Sacramento Bus Station
- Ave. Duration
- 12h 5m
- Frequency
- Once daily
- Estimated price
- $65–140
- Schedules at
- flixbus.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Portland Curbside Bus Stop to Sacramento Bus Station
- Ave. Duration
- 12h 40m
- Frequency
- Once daily
- Estimated price
- $65–120
- Website
- https://www.greyhound.com/
Bus from Sacramento Bus Station to Sparks Transit Center
- Ave. Duration
- 2h 40m
- Frequency
- Twice daily
- Estimated price
- $18–70
- Website
- https://www.greyhound.com/
Bus from Sparks Transit Center to Denver Union Station
- Ave. Duration
- 20h 55m
- Frequency
- Once daily
- Estimated price
- $65–200
- Website
- https://www.greyhound.com/
- Phone
- +1 541-366-5110
- info@pacificcrestbuslines.net
- Website
- pacificcrestbuslines.net
Bus from Portland Union Station to Bend Hawthorne Station
- Ave. Duration
- 4h 15m
- Frequency
- Once daily
- Estimated price
- $19–65
- Website
- https://pacificcrestbuslines.net
Bus from Bend Hawthorne Station to Klamath Falls Amtrak Station
- Ave. Duration
- 3h 30m
- Frequency
- Once daily
- Estimated price
- $15–50
- Website
- https://pacificcrestbuslines.net
- Phone
- (541) 389-7469
- info@cobreeze.com
- Website
- cobreeze.com
Bus from Portland Union Station to Bend Hawthorne Station
- Ave. Duration
- 4h 25m
- Frequency
- 6 times a week
- Estimated price
- $59–63
- Website
- https://cobreeze.com/
- Schedules at
- https://cobreeze.com/schedule/
- Phone
- +1 530-233-6410
- Website
- sagestage.com
Bus from Greyhound Connection To Medford Via The Shuttle Klamath Falls + Amtrak Klamath Falls Rail Station to Corner Of Main And West Fifth Ave
- Ave. Duration
- 2h 15m
- Frequency
- Once a week
- Estimated price
- $16–22
- Website
- https://sagestage.com
Bus from Corner Of Main And West Fifth Ave to Amtrak Reno
- Ave. Duration
- 3h 30m
- Frequency
- 3 times a week
- Estimated price
- $28–40
- Website
- https://sagestage.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
Need to know: Greyhound
Read the travel guide
Why you should take the train in the US
Read the travel guide
More Questions & Answers
Portland to Thornton bus services, operated by Flixbus USA, arrive at Sacramento Bus Station.
Thornton is 1h ahead of Portland. It is currently 5:13 AM in Portland and 6:13 AM in Thornton.
Portland to Thornton train services, operated by Amtrak, arrive at Sacramento station.
Yes, the driving distance between Portland to Thornton is 1222 miles. It takes approximately 19h 21m to drive from Portland to Thornton.
There are 1178+ hotels available in Thornton.














