If you can afford some flexibility in your travel dates, there are still cheap flights to the perennial ... for as low as $137 round trip on Hopper Chicago to Cancun, Mexico, for as low as $ ...

Southwest's Spring Sale features select one-way flights starting at just $49, with travel valid from late March to early June ...

Here's a full list of destinations where you can score a cheap flight. The cheapest flight out of Des Moines in January is to Chicago for $211 roundtrip. You can make it to Houston and back for $229 ...