Heads up, deal hunters! The Flight Deal has spotted some sweet fares to Bilbao, Spain, starting at just $641 for a round-trip in regular economy. If you've been dreaming of exploring the Guggenheim Museum or indulging in some Basque cuisine, this could be your chance to do it without breaking the bank. The Flight Deal recommends using Matrix Airfare Search by ITA Software to find available dates. Once you've found dates that work, you can then book through your preferred online travel agency or directly with the airline. Why does this matter to you? Well, cheap flights are the gateway to amazing travel experiences. This deal gives you a chance to explore a vibrant Spanish city at a fraction of the usual cost. Keep in mind that these deals can disappear quickly, so if you're even remotely interested, jump on it! Bilbao is calling!