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.

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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.

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If you don't travel because we cancel a flight or schedule changes, you can get a refund. To learn more about your different options, use our tool or request a refund using our form.