Scroll through the results for cheap flights to Duluth in USA. To get the best deal, we'd advise booking in advance, particularly if you want to fly with a specific airline. The most popular airlines are United Airlines, Austrian Airlines & Air Canada, but that doesn't necessarily mean they're the cheapest. Check your dates and see.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
Duluth receives 31 direct and indirect flights every week, but the cheapest airline is normally Air France. We've scanned 20 worldwide today, to uncover the best deals. So, if the flights to Duluth don't work for you, you could always try searching for flights to other airports in USA.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.