Go through your results for flights to Samos in Greece with Netflights. The most popular airlines for this route are Aegean Airlines, with Aegean Airlines claiming the top spot.
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.
So, if the flights to Samos don't work for you, you could always try searching for flights to other airports in Greece.
For even more options, check what other airports you could fly to Samos from. You might be able to make a saving by going from a different airport or city.