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Ko Olina Beach Villas Resort, on the Hawaiian island of Oahu, is offering 40 percent off its two- and three-bedroom villas. With the deal, a family of four pays $2,656 for a week in a two-bedroom villa (including taxes), instead of the usual $4,425. Add $116 a night for the three-bedroom. The villas feature lanais (balconies), full kitchens and free phone calls to anywhere. Seven-night minimum required. Book by Aug. 31; travel Sept. 12-Dec. 15. Info: (800) 448-3333, www.koolina.com.

Pay for one night at Ceiba del Mar Beach & Spa Resort, an oceanfront boutique property on Mexico's Riviera Maya, and get the second night free. Rates start at $229 double per night, plus $55 in fees and taxes; a two-night stay comes to $284. Book and travel through Sept. 30. Reserve by phone, (800) 490-0483. General info: www.ceibadelmar.com.

Adventure Life is offering half-off the companion fare on select 10-day Vietnam cruises. Rates start at $6,235 per person double, including taxes. For example, on the Nov. 18 cruise from Ho Chi Minh City to Hanoi, two travelers pay $9,353 for a double suite, including taxes, down from $12,470 for two. Deal is available on cruises departing Nov. 18, Nov. 27 and Dec. 6. Info: (800) 344-6118, www.adventure-life.com.

The Antarctic Dream, a 40-cabin expedition vessel with an ice-strengthened hull, is offering a 14-day excursion to the Antarctic Circle for the same price as its 11-day trips. The one-time extended voyage departs Jan. 6 and travels round trip from Ushuaia, Argentina. Rates start at $6,900 per person double, including taxes. Add a $250 fuel surcharge. Book by Aug. 31 and receive an additional 10 percent off. Info: (877) 238-7477, www.antarcticdream.com.

Aer Lingus has a sale on fall flights from New York's JFK airport to Europe. Sample round-trip fares, including taxes: $744 to Rome (connecting flights on other airlines start at about $840); $727 to Amsterdam (vs. $810); $772 to Berlin (vs. $805). Flights have one connection through Shannon or Dublin. Book by Sept. 1; travel Sept. 10-Oct. 30 (Amsterdam), Sept. 22-Oct. 31 (Berlin) or Sept. 22-Oct. 30 (Rome). Online bookings only at www.aerlingus.com.

Sandals Resorts has extended its Companion Flies Free offer through August. Book a minimum six-night package at a participating resort in Jamaica, Antigua, Saint Lucia or the Bahamas, and receive a free companion coach-class air ticket. Deal can be combined with the resorts' current promotional rates. For example, at the Sandals Montego Bay in Jamaica, a couple pays $2,847 for six nights in a deluxe oceanside room and nonstop round-trip air for two departing from BWI Marshall. The air portion of the deal costs $495, compared with $772 if booked separately, for a total savings of $277 per couple. Book by Sept. 1; travel through Dec. 28. Info: (888) 726-3257, www.sandals.com.

Deals sell out and availability cannot be guaranteed. Some restrictions may apply.