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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.
Check in for your United or United Express-operated flight, depending on where you are in your travel experience.
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.
MileagePlus is the award-winning loyalty program of United Airlines. Join MileagePlus to earn miles you can redeem for flights, upgrades 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.
What to expect when you fly. Travel looks different than it used to. This is why we’ve created processes and features to help you navigate the airport and your trip in a post-pandemic world. Planning your trip. In the lobby.
