Understanding the social-psychological determinants of the public's perceptions and intentions related to vaccination is key to promoting vaccination. The current study examines how individual differences in consideration of future and immediate consequences (CFC-F and CFC-I) impact risk perceptions of, and intentions to vaccinate against, COVID-19 and seasonal flu. A survey of 395 adults on Amazon Mechanical Turk during April and May of 2020 showed that CFC-F predicted vaccination intentions, whereas CFC-I did not. Moreover, CFC-F and CFC-I positively predicted affective risk perceptions, perceived susceptibility, and perceived severity of both COVID-19 and seasonal flu. Last, both CFC constructs had a positive indirect effect on vaccination intentions of COVID-19 and seasonal flu through increasing perceived severity of the corresponding disease. This study makes theoretical contributions to the CFC literature and offers valuable insights for the design of effective vaccine promotion messages.