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United Airlines is a major American airline that offers online flight check-in and MileagePlus rewards program.
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.
Check the status of your United Airlines flight by searching by route or flight number. Stay up to date with our flight status tools.
United flights from Canada depart from Toronto Pearson International Airport (YYZ) and Montreal-Pierre Elliott Trudeau International Airport (YUL). Find United Airlines cheap flights from Canada to anywhere. Get United's best fares today for flights departing from Canada.
Help with trips. See how to check in for flights, watch your flight's status, register for TSA PreCheck and more. TSA PreChecklink opens in new window. Get through security faster with a Known Traveler Numbers. Global Entrylink opens in new window.
Airline preference. All airlines United and United Express® only All Star Alliance™ airlines. Preferred connections. City or airport.
United Customer Contact Center. If you’d like to buy a ticket or change existing reservations or tickets, start by choosing your current location from the list below. You can always purchase tickets without a service charge on united.com.
