There are 9 ways to get from Portland to Sidney by plane, car, bus, train, or taxi
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 Ring Rock Ranch Airport, drive
best- Fly from Portland International Airport (PDX) to Ring Rock Ranch Airport (XWA)plane PDX - XWA
- Drive from Ring Rock Ranch Airport (XWA) to Sidneycar
8h 10m$107–457Fly to Dawson Community Airport, drive
cheapest- Fly from Portland International Airport (PDX) to Dawson Community Airport (GDV)plane PDX - GDV
- Drive from Dawson Community Airport (GDV) to Sidneycar
9h 3m$92–408Bus, drive
- Take the bus from Portland Curbside Bus Stop to Spokane Stationbus
- Take the bus from Spokane to Billingsbus
- Take the bus from Billings to Glendivebus
- Drive from Glendive to Sidneycar
24h 17m$240–356Train, taxi
- Take the train from Portland to Williston Amtraktrain Empire Builder
- Take the taxi from Williston Amtrak to Sidneytaxi
25h 34m$794–1,173Drive 1,077.7 mi
- Drive from Portland to Sidneycar 1,077.7 mi
18h 55m$197–285Fly to Sidney-Richland Municipal Airport
- Fly from Portland International Airport (PDX) to Sidney-Richland Municipal Airport (SDY)plane PDX - SDY
8h 14m$94–417Fly to Logan International Airport, bus, drive
- Fly from Portland International Airport (PDX) to Logan International Airport (BIL)plane PDX - BIL
- Take the bus from Billings to Glendivebus
- Drive from Glendive to Sidneycar
9h 1m$245–529Fly to Dickinson Municipal Airport, bus, drive
- Fly from Portland International Airport (PDX) to Dickinson Municipal Airport (DIK)plane PDX - DIK
- Take the bus from Dickinson to Glendivebus
- Drive from Glendive to Sidneycar
10h 42m$157–528Fly to Lyman Clayton Airport, drive
- Fly from Portland International Airport (PDX) to Lyman Clayton Airport (OLF)plane PDX - OLF
- Drive from Lyman Clayton Airport (OLF) to Sidneycar
9h 51m$99–417
Portland International Airport (PDX) to Ring Rock Ranch Airport (XWA) flights
Comparing Your Travel Options
The cheapest way to get from Portland to Sidney is to fly and drive which costs $90 - $410 and takes 9h 3m.
The fastest way to get from Portland to Sidney is to fly and drive which takes 8h 10m and costs $100 - $460.
The distance between Portland and Sidney is 974 miles. The road distance is 1084 miles.
The best way to get from Portland to Sidney without a car is to train and taxi which takes 25h 34m and costs $750 - $1,200.
It takes approximately 8h 10m to get from Portland to Sidney, including transfers.
Sidney is 1h ahead of Portland. It is currently 2:35 PM in Portland and 3:35 PM in Sidney.
Yes, the driving distance between Portland to Sidney is 1084 miles. It takes approximately 18h 55m to drive from Portland to Sidney.
There are nine+ hotels available in Sidney.
What companies run services between Portland, OR, USA and Sidney, MT, USA?
Alaska Airlines, Inc., Cape Air, and two other airlines fly from Portland International Airport (PDX) to Sidney-Richland Municipal Airport (SDY) every 4 hours.
- Website
- capeair.com
Flights from Portland International Airport to Sidney-Richland Municipal Airport via Logan International Airport
- Ave. Duration
- 6h 41m
- When
- Every day
- Estimated price
- $150–750
Flights from Portland International Airport to Sidney-Richland Municipal Airport via Seattle, Logan International Airport
- Ave. Duration
- 9h 40m
- When
- Every day
- Estimated price
- $150–750
Flights from Portland International Airport to Sidney-Richland Municipal Airport via Denver, Logan International Airport
- Ave. Duration
- 10h 13m
- When
- Every day
- Estimated price
- $100–460
Flights from Portland International Airport to Sidney-Richland Municipal Airport via Salt Lake City, Logan International Airport
- Ave. Duration
- 9h 59m
- When
- Every day
- Estimated price
- $80–400
Flights from Portland International Airport to Dawson Community Airport via Logan International Airport
- Ave. Duration
- 6h 18m
- When
- Every day
- Estimated price
- $150–750
Flights from Portland International Airport to Dawson Community Airport via Seattle, Logan International Airport
- Ave. Duration
- 7h 18m
- When
- Monday to Friday
- Estimated price
- $150–750
Flights from Portland International Airport to Dawson Community Airport via Denver, Logan International Airport
- Ave. Duration
- 9h 31m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $100–450
Flights from Portland International Airport to Dawson Community Airport via Salt Lake City, Logan International Airport
- Ave. Duration
- 12h 48m
- When
- Every day
- Estimated price
- $80–390
Flights from Portland International Airport to Lyman Clayton Airport via Logan International Airport
- Ave. Duration
- 6h 19m
- When
- Every day
- Estimated price
- $150–750
Flights from Portland International Airport to Lyman Clayton Airport via Seattle, Logan International Airport
- Ave. Duration
- 7h 19m
- When
- Monday to Friday
- Estimated price
- $150–750
Flights from Portland International Airport to Lyman Clayton Airport via Denver, Logan International Airport
- Ave. Duration
- 9h 32m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $100–450
Flights from Portland International Airport to Lyman Clayton Airport via Salt Lake City, Logan International Airport
- Ave. Duration
- 12h 49m
- When
- Every day
- Estimated price
- $80–390
- Website
- united.com
Flights from Portland International Airport to Ring Rock Ranch Airport via Denver
- Ave. Duration
- 6h 10m
- When
- Every day
- Estimated price
- $95–750
Flights from Portland International Airport to Dickinson Municipal Airport via Denver
- Ave. Duration
- 6h 20m
- When
- Every day
- Estimated price
- $90–430
- Website
- alaskaair.com
Flights from Portland International Airport to Logan International Airport
- Ave. Duration
- 1h 49m
- When
- Every day
- Estimated price
- $160–410
Flights from Portland International Airport to Logan International Airport via Seattle
- Ave. Duration
- 4h 11m
- When
- Every day
- Estimated price
- $160–410
- Website
- suncountry.com
Flights from Portland International Airport to Ring Rock Ranch Airport via Las Vegas
- Ave. Duration
- 6h 17m
- When
- Thursday
- Estimated price
- $100–470
- Website
- delta.com
Flights from Portland International Airport to Logan International Airport via Salt Lake City
- Ave. Duration
- 4h 10m
- When
- Every day
- Estimated price
- $85–440
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Portland to Williston Amtrak
- Ave. Duration
- 24h 36m
- Frequency
- Once daily
- Estimated price
- $650–1,000
- Website
- Amtrak
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Portland Curbside Bus Stop to Spokane Station
- Ave. Duration
- 7h 45m
- Frequency
- Twice daily
- Estimated price
- $55–85
- Schedules at
- Flixbus USA
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Spokane to Billings
- Ave. Duration
- 9h 55m
- Frequency
- Once daily
- Estimated price
- $120–180
- Book at
- Jefferson Lines
- Adult
- $120–180
Bus from Billings to Glendive
- Ave. Duration
- 3h 25m
- Frequency
- Once daily
- Estimated price
- $55–80
- Book at
- Jefferson Lines
- Adult
- $55–80
Bus from Billings to Glendive
- Ave. Duration
- 3h 25m
- Frequency
- Once daily
- Estimated price
- $55–80
- Book at
- Jefferson Lines
- Adult
- $55–80
Bus from Dickinson to Glendive
- Ave. Duration
- 1h 30m
- Frequency
- Once daily
- Estimated price
- $30–50
- Book at
- Jefferson Lines
- Adult
- $30–50
- Ave. Duration
- 58 min
- Estimated price
- $140–170
Brooklyn Cab
- Phone
- +1-701-641-1258
Century Taxi Service
- Phone
- +1-701-651-8100
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