The Ultimate Guide to Cheap International Flights to Chicago
        Compare prices:  Use online travel agencies and      airlines' websites to compare prices for flights to Chicago .          Be flexible with travel dates:  Flights tend to be      cheaper during weekdays and during non-peak travel times.          Book in advance:  Booking in advance can often      result in significant savings.          Use budget airlines:  Budget airlines like Spirit,      Frontier, and Southwest often have cheaper flights.          Look for packages:  Check for travel packages that      include flights and accommodations, which can save money compared to      booking separately.          Utilize rewards programs:  Sign up for rewards      programs with airlines and credit cards to earn points that can be      redeemed for flights.          Check alternative airports:  Consider flying into      nearby airports, such as Midway or O'Hare, as they may offer cheaper      flights.          Follow airlines on social media...