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

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

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

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