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Book United Airlines cheap flights to 300+ destinations worldwide on our official site. Find our most popular flight deals and earn MileagePlus® miles.

Enjoy discounts on over 4,500 flights to 300+ destinations. Some United deals also let you earn extra miles.

United is the largest airline in the world*. Each year, we fly 140 million people to more than 300 destinations across six continents. Here's what you need to know about our company, our …

Use United award miles. MileagePlus ® members can use miles to pay for flights, gift cards, entertainment, and much more. Whether it's for a special getaway or everyday life, you decide …

Use information on this page to help you through your next trip.

Check in for your United or United Express-operated flight, depending on where you are in your travel experience.

Check the status of your United Airlines flight by searching by route or flight number. Stay up to date with our flight status tools.

Our Help Center has FAQs & helpful information to assist you with changing/canceling your flight, refunds, using your credits, baggage policy, MileagePlus, seat/upgrades, etc.

Welcome to United’s business portal designed exclusively for our corporate customers and agency partners. Enjoy easy access to relevant news, operational waivers and self-service …