If you're signed up to the Alaska Airlines rewards program, Mileage Plan, you may be able to accumulate points when securing your airline tickets with Expedia. Search through the selection of loyalty programs and enter your membership number at the final stages of booking to find out if your flight is eligible for mileage. You can also accumulate points through shopping, booking hotels and renting a car with Mileage Plan. When you book with Expedia, you can earn OneKeyCash™* on top of your airline miles. Just join One Key™, our free travel rewards program, to get started. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.