Scroll through the results for cheap flights to Detroit 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, Virgin Atlantic & Lufthansa, 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. It's likely that prices for both flights and accommodation in Detroit will be higher during June. Meanwhile, January is nearly always the cheapest time to fly. So if your dates are flexible, consider looking at different times of year.
98 direct and indirect flights go to Detroit every week and we scan them all. Today alone, we've compared 799 flights worldwide, so you're bound to find one that works for you. Look out for flights with Air Canada, as they often have good deals. Or broaden your search by looking at 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.