There are an abundance of cheap flights to Athens available in the wintertime because of the cold weather and snowstorms. An added perk of visiting Athens City in the wintertime is that the crowds thin out and you can have most of the attractions to yourself. The weather is gray, cold, and sometimes snowy, but cuddling with your loved ones while looking out of your hotel room window at the snow-covered city or hopping from one cozy café or museum to another will make for beautiful memories.
Generally, January to early March is the best time of year to visit Athens if you're on a budget. You can find many cheap flights to Athens at this time. Summer is also a good time to visit because there are fewer people in the city on the weekends, but be prepared for sweltering heat if you plan a trip at this time. Avoid Christmas and New Year's because the city is packed with tourists and rates for accommodations skyrocket. In the spring and fall, Athens' weather is gorgeous, but airfares and hotel rates are also more expensive.