There are 7 ways to get from Ottawa to Sarnia by train, bus (Flixbus), car, plane, or bus
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train
best- Take the train from Ottawa to Toronto Union Stationtrain
- Take the train from Toronto Union Station to Londontrain
- Take the train from London to Sarniatrain
9h 46m$166–776Bus via Toronto
cheapest- Take the bus from Waller St at Laurier Ave to Union Stn Bus Terminal, 81 Bay St at Lakeshore Blvd, 2nd Floorbus
- Take the bus from Toronto, ON - 44 York St. to London, ON - VIA Railbus
- Take the bus from London, ON - Downtown to Sarnia, ON - Bayside Terminalbus
12h 11m$56–153Bus (Flixbus)
- Take the bus from Ottawa to Sarniabus FlixBus 2710
11h 15m$95–150Drive 670.6 km
- Drive from Ottawa to Sarniacar 670.6 km
7h 57m$136–196Fly to London International Airport, train
- Fly from Ottawa Macdonald-Cartier International Airport (YOW) to London International Airport (YXU)plane YOW - YXU
- Take the train from London to Sarniatrain
7h 21m$346–1,930Fly to Toronto Pearson International Airport, bus, train
- Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Toronto Pearson International Airport (YYZ)plane YOW - YYZ
- Take the bus from Pearson International Airport Terminal 1 to London, ON - VIA Railbus
- Take the train from London to Sarniatrain
7h 33m$173–814Fly to Toronto Island Airport, train
- Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Toronto Island Airport (YTZ)plane YOW - YTZ
- Take the train from Toronto Union Station to Londontrain
- Take the train from London to Sarniatrain
8h 1m$246–1,014
Ottawa to Sarnia by train
Comparing Your Travel Options
The cheapest way to get from Ottawa to Sarnia is to bus which costs $95 - $150 and takes 11h 15m.
The fastest way to get from Ottawa to Sarnia is to fly and train which takes 7h 21m and costs $340 - $2,000.
Yes, there is a direct bus departing from Ottawa and arriving at Sarnia. Services depart six times a week, and operate every day. The journey takes approximately 11h 15m.
No, there is no direct train from Ottawa to Sarnia. However, there are services departing from Ottawa and arriving at Sarnia via Toronto Union Station and London. The journey, including transfers, takes approximately 9h 46m.
The distance between Ottawa and Sarnia is 723 km. The road distance is 670.6 km.
The best way to get from Ottawa to Sarnia without a car is to train which takes 9h 46m and costs $160 - $800.
It takes approximately 9h 46m to get from Ottawa to Sarnia, including transfers.
Ottawa to Sarnia bus services, operated by Flixbus USA, depart from Ottawa station.
Ottawa to Sarnia train services, operated by VIA Rail, depart from Ottawa station.
The best way to get from Ottawa to Sarnia is to train which takes 9h 46m and costs $160 - $800. Alternatively, you can bus, which costs $95 - $150 and takes 11h 15m.
What companies run services between Ottawa, ON, Canada and Sarnia, ON, Canada?
You can take a train from Ottawa to Sarnia via Toronto Union Station and London in around 9h 46m. Alternatively, Flixbus USA operates a bus from Ottawa to Sarnia 6 times a week. Tickets cost $95–150 and the journey takes 11h 15m.
- Website
- aircanada.com
Flights from Ottawa Macdonald-Cartier International Airport to London International Airport via Toronto Pearson International Airport
- Ave. Duration
- 3h 37m
- When
- Every day
- Estimated price
- $140–950
Flights from Ottawa Macdonald-Cartier International Airport to London International Airport via Quebec, Toronto Pearson International Airport
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $220–1,200
Flights from Ottawa Macdonald-Cartier International Airport to London International Airport via Montreal, Toronto Pearson International Airport
- Ave. Duration
- 6h 16m
- When
- Every day
- Estimated price
- $170–1,100
Flights from Ottawa Macdonald-Cartier International Airport to Toronto Pearson International Airport
- Ave. Duration
- 1h 7m
- When
- Every day
- Estimated price
- $55–390
Flights from Ottawa Macdonald-Cartier International Airport to Toronto Island Airport
- Ave. Duration
- 1h
- When
- Every day
- Estimated price
- $55–400
- Phone
- +1 888 842-7245
- Website
- VIA Rail
Train from Ottawa to Toronto Union Station
- Ave. Duration
- 4h 24m
- Frequency
- Every 4 hours
- Estimated price
- $100–320
- Website
- VIA Rail
- Escape
- $100–250
- Business
- $150–310
- Business Plus
- $160–320
- Economy
- $110–260
- Economy Plus
- $120–270
Train from Toronto Union Station to London
- Ave. Duration
- 2h 16m
- Frequency
- Every 4 hours
- Estimated price
- $40–240
- Website
- VIA Rail
- Escape
- $40–130
- Business
- $85–230
- Business Plus
- $100–240
- Economy
- $45–140
- Economy Plus
- $50–150
Train from London to Sarnia
- Ave. Duration
- 1h 6m
- Frequency
- Once daily
- Estimated price
- $22–220
- Website
- VIA Rail
- Escape
- $22–85
- Business
- $65–200
- Business Plus
- $80–220
- Economy
- $24–95
- Economy Plus
- $27–110
Train from London to Sarnia
- Ave. Duration
- 1h 6m
- Frequency
- Once daily
- Estimated price
- $22–220
- Website
- VIA Rail
- Escape
- $22–85
- Business
- $65–200
- Business Plus
- $80–220
- Economy
- $24–95
- Economy Plus
- $27–110
Train from London to Sarnia
- Ave. Duration
- 1h 6m
- Frequency
- Once daily
- Estimated price
- $22–220
- Website
- VIA Rail
- Escape
- $22–85
- Business
- $65–200
- Business Plus
- $80–220
- Economy
- $24–95
- Economy Plus
- $27–110
Train from Toronto Union Station to London
- Ave. Duration
- 2h 16m
- Frequency
- Every 4 hours
- Estimated price
- $40–240
- Website
- VIA Rail
- Escape
- $40–130
- Business
- $85–230
- Business Plus
- $100–240
- Economy
- $45–140
- Economy Plus
- $50–150
Train from London to Sarnia
- Ave. Duration
- 1h 6m
- Frequency
- Once daily
- Estimated price
- $22–220
- Website
- VIA Rail
- Escape
- $22–85
- Business
- $65–200
- Business Plus
- $80–220
- Economy
- $24–95
- Economy Plus
- $27–110
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Ottawa to Sarnia
- Ave. Duration
- 11h 15m
- Frequency
- 6 times a week
- Estimated price
- $95–150
- Schedules at
- Flixbus USA
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Booking & Getting There
Ottawa to Sarnia bus services, operated by Flixbus USA, arrive at Sarnia station.
Ottawa to Sarnia train services, operated by VIA Rail, arrive at Toronto Union Station.
Yes, the driving distance between Ottawa to Sarnia is 671 km. It takes approximately 7h 57m to drive from Ottawa to Sarnia.
Book your Ottawa to Sarnia train tickets online with Omio.
Book your Ottawa to Sarnia bus tickets online with Omio and FlixBus.
There are 66+ hotels available in Sarnia.






