Is there a train to Thunder Bay?

No, there is no passenger rail service to Thunder Bay.

How long is the drive from Ottawa?

The drive takes approximately 17 hours of driving time.

Are there direct flights?

No, flights from Ottawa to Thunder Bay typically require a connection in Toronto.

What is the best highway?

Highway 17 is the primary route connecting Ottawa to Thunder Bay.

Is it safe to drive in winter?

Driving in winter requires winter tires and extreme caution due to heavy snow.

Ottawa

Thunder Bay

Flight Driving

Ottawa to Thunder Bay

Updated: 29 May 2026

The journey from Ottawa to Thunder Bay spans approximately 1,500 kilometers across Northern Ontario. Driving via Highway 17, the Trans-Canada Highway, takes roughly 17 hours of pure driving time. Flights from Ottawa International Airport offer a faster alternative, typically lasting 2 hours and 30 minutes. You will traverse the rugged Canadian Shield, passing through North Bay and Sault Ste. Marie. This route is essential for those exploring the vast wilderness of the Great Lakes region.

Total Distance: Driving distance is 1,500 km; straight-line air distance is 1,000 km.

Fastest Way

Flight is the fastest, taking roughly 4 hours including layovers.

Cheapest Way

Driving is the cheapest for groups of two or more people.

Compare Ottawa to Thunder Bay Routes

	Flight Connecting	Driving Direct
Duration	2 hours 30 mins	17 hours
Avg Price	400-700 CAD	250-350 CAD in fuel
Operator	Air Canada	Personal Vehicle
Route	YOW to YQT via Toronto Pearson (YYZ).	Highway 17 (Trans-Canada Highway) via North Bay and Sault Ste. Marie.
Tip	Book at least three weeks in advance to secure lower fares.	Ensure your vehicle is winter-ready if traveling outside summer months.

Travel Tips

Fuel Stops
Gas stations are sparse in Northern Ontario; fill up whenever you see a station.
Cell Service
Expect dead zones along Highway 17; download offline maps before departing.
Wildlife
Be cautious of moose and deer on the road, especially during dawn and dusk.
Accommodation
Book motels in Sault Ste. Marie in advance if you plan to break the drive into two days.
Packing
Bring layers, as temperatures can drop significantly even in summer nights.

Safety Tips

Road Conditions
Check 511 Ontario for real-time road closures and construction updates.
Emergency Kit
Carry a winter survival kit including blankets, water, and non-perishable food.
Fatigue
Take regular breaks every two hours to avoid driver fatigue on long stretches.
Vehicle Check
Verify tire pressure and fluid levels before starting this long-distance drive.