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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.

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You can modify your trip or manage your reservation by going to My trips. Find MileagePlus ® contact information for your region. Book your trip online at any time. Get additional help through our Help Center.

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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 how to reward yourself. Join MileagePlus today to take advantage of the miles you earn. There are lots of exciting ways to put miles to use.

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

We have the most award destinations of any U.S. airline frequent flyer program. Use miles to cover some or all of the cost of your next United flight or seat upgrade. Our international airline partners also accept MileagePlus miles as a form of payment.

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