Airlines often enforce this rule strictly because they can be fined for transporting passengers who do not meet entry criteria.
Some regions, like the Schengen Area , generally require only three months of validity beyond your planned departure date. Permanent Residency (Immigration) 6 Month Rule
The "6 Month Rule" most commonly refers to for international travel, but it also appears in contexts like residency and medical procedures. Passport Validity (Travel) Airlines often enforce this rule strictly because they