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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.

Sign in to your MileagePlus account on the official website of United Airlines.

U.S. and Canada You can buy tickets without extra fees on united.com. To book with an agent, there’s a $25 fee by phone, $10 at a City Ticket Office, and $50 at the airport.

Find out everything you need to know, from booking a flight to using travel credits. Learn about United's carbon offset program and how you can participate Learn more about the different …

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

Book cheap flights to popular Latin American destination with United Airlines. Enjoy all the in-flight perks on your next flight, including speed Wi-Fi.

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.

Book United Airlines’ lowest airfares and save when you bundle your hotel and car rental with United Packages, plus earn 1,000 miles per package. Search with ease for global destinations …