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.

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

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

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.

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

You can bring one carry-on bag and personal item for free on most flights. Find information on size limits, special items, bag help, traveler tips, and more.

Get quick answers to MileagePlus questions or get additional help by submitting your documents to us.

Looking to be at the cutting edge of technology in aviation? Join our team of digital innovators and make an impact on our customers and industry.

Explore our collection of United MileagePlus credit cards to earn exclusive discounts and benefits. Start gathering points today for your next journey.