Indicates an external site that may or may not meet accessibility guidelines. Copyright © 2025 United Airlines, Inc. All rights reserved.

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

MileagePlus sign-in is not available when booking with myUAdiscount. You may add your MileagePlus number on the traveler information page during the booking process.

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

Indicates an external site that may or may not meet accessibility guidelines. this link is to an external site that may or may not meet accessibility guidelines. opens in a new tab. This link is …

What can we help you with today? Accessibility and assistance Baggage Booking a trip Children and infants Customer care Digital trust center

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

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.

MileagePlus sign-in is not available when booking with myUAdiscount. You may add your MileagePlus number on the traveler information page during the booking process.

From planning, to booking, to the day of travel, the United App has got you covered. Download the app to check-in your flight, manage your trip, view flight status, boarding pass, and more.