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

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.

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

From planning, to booking, to the day of travel, the United App has got you covered. Download the app to check-in your flight, manage your trip, view flight status, boarding pass, and more.

Where does United fly? Use our interactive route map, select your trip type, and our budget filters on United Explore to find the perfect flight.

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

Adjust your travel plans all the way up to the day of your trip. Learn more about changing or canceling your flight, and flying standby.

MileagePlus is the award-winning loyalty program of United Airlines. Join MileagePlus to earn miles you can redeem for flights, upgrades and more.