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

Find the latest travel deals on flights, hotels and rental cars. Book airline tickets and MileagePlus award tickets to worldwide destinations.

United Airlines Help Center provides FAQs and guidance on flights, refunds, credits, baggage policy, MileagePlus, seats/upgrades, and more.

Search for flights on United and more than 80 airlines. Find adult, senior, child and pet fares, and use money or miles to book. Apply promo codes and use certificates.

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

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

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

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

Sign in to your MileagePlus account on the official website of United Airlines.