Go through your results for flights to Eugene in USA with Netflights. The most popular airlines for this route are Virgin Atlantic, with Virgin Atlantic claiming the top spot. Although SWISS usually has the best prices, it's best to double check what's available for your travel dates.
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 Eugene will be higher during November. Meanwhile, March is nearly always the cheapest time to fly. So if your dates are flexible, consider looking at different times of year.
There are nine direct and indirect flights to Eugene every week, operated by one airlines. But if you're struggling to find flights to Eugene that work for you, try looking at other airports in USA. We've compared 40 flights across the globe so far today, so there's bound to be one that suits you.
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.