How to find the cheapest flight from Ottawa (YOW) to Duluth International (DLH)
What is the cheapest month to fly from Ottawa to Duluth International?
Flights from Ottawa to Duluth International lean towards being more expensive in November. Prices are generally better when you fly from Ottawa to Duluth International in December, with the cheapest ticket starting at C$ 252.
Related info for your journey
From Ottawa to Duluth International
Does it rain more in Ottawa or Duluth?
Ottawa will have greater rainfall in 0 compared to Duluth over the next 15 days.
Is Ottawa weather warmer or cooler than Duluth?
You can imagine temperatures to be in the 27 °C range in July. The weather in Duluth is generally colder than Ottawa's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.