Before you redeem miles, ask if there are any additional costs or surcharges. In some cases, you might get more by using your miles for an upgrade instead of an award ticket. For the latest news on your frequent flier program, log onto www.WebFlyer.com and www.FrequentFlier.com.

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SOURCES AND RELATED WEB SITES National Geographic Expeditions: Travel With Our Experts National Geographic Traveler magazine National Geographic Trip Finder Traveler Magazine Articles Traveler A-List: Best Travel Deals of the Week National Geographic Guide to Travel