United Airlines Round Trip Flight: Los Angeles to Singapore from $688 (Travel September - November 2025)

United Airlines and Expedia offer round trip airfares from Los Angeles (LAX) to Singapore (SIN) for $689. The travel dates are available from September to November 2025. These are basic economy fares that include a personal item, a carry-on bag, and 1 free checked bag. Seat selection and changes are not included. Children will be seated together as per United's policy.