<human>: What's the best way to find cheap airline tickets?
<bot>: The best way to find cheap airline tickets is to do a bit of research. Check online travel sites like Expedia or Kayak to compare prices and look for discounts. You can also try searching for flights on social media such as Twitter, Facebook, and Instagram, where airlines often advertise special deals. Additionally, signing up for newsletters from airlines or travel websites can provide you with access to exclusive deals.