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.

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

If your infant does not require a separate air seat, please contact our customer care center at 1-888-854-3899 for assistance with your booking. If you wish to reserve a separate air seat for …

Oct 28, 2025 · You can reschedule your trip and we’ll waive change fees and fare differences. But, your new flight must be a United flight departing between 7 days before and 7 days after …

Travel information and guidelines Use the information on this page to help you through your next trip.

*Promo code BLKFRI25C includes savings up to $500 per reservation based on 7% discount on hotel portion of a vacation package. 3-night minimum stay required. The discount BLKFRI25C …