Likely match cities for Portugal: Boston, New York, Philadelphia. Use the Fanpath tournament simulator to map Portugal's most probable bracket path across all 16 host cities before booking anything.
Boston has a huge Portuguese-American community โ expect massive atmosphere for Portugal group games there.
Solo fan cost estimate: $3,500โ$8,000 solo excluding international flights. Coordinating with other Portugal fans through Fanpath (shared accommodation, group transport) cuts this by 40โ60%.