Free Roundtrip Airfare, Free Stateroom Upgrades & Special Fares valid on select 2024 departures of featured itineraries. Free Stateroom Upgrade applies to categories N2 - DN1 on Viking Octantis or Viking Polaris and categories V1 - DV1 on Viking Mississippi. Call for details. Prices are in US dollars and for US residents only. Air does not have to be purchased to get cruise/tour offer. All fares reflect cruise taxes, port taxes and fees. Additional restrictions may apply. Airfares vary on other itineraries, gateways and departures. Air offers not valid on Alaska, Hawaii, San Juan and Mexico City; call for details. Book by Feb 29, 2024. Pay in full by Mar 15, 2024 or at time of booking if within 120 days of departure. Offer may be withdrawn at any time without prior notice. Offer expires Feb 29, 2024.