Choosing between a fiancé visa and a spousal petition is one of the most important decisions a couple in the immigration process can make. The K-1 fiancé visa allows a foreign partner to enter the U.S. and marry within 90 days, but the process does not end there – an adjustment of status filing follows, adding months and significant cost. The CR-1/IR-1 spousal petition takes longer upfront, but the foreign spouse arrives as a permanent resident with no second application required. For couples already married, the spousal petition is almost always the more efficient choice. For unmarried couples, the K-1 offers faster initial reunion but a longer overall finish line. Costs, country of origin, prior immigration history, and document readiness all affect which path makes sense. Both pathways require careful preparation, and mistakes in either can cause serious delays.