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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.

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

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

Check the status of your United Airlines flight by searching by route or flight number. Stay up to date with our flight status tools.

2025年6月11日 · You can reschedule your trip and we’ll waive change fees and fare differences. But, your new flight must be a United flight departing between July 12, 2025 and July 18, …

Learn about our airport check-in process, expedited security programs like TSA PreCheck® and our United Clubs.

Save big with United best flight deals from Philadelphia (PHL). Fly from Philadelphia in premium cabins with great Wi-Fi and in-flight entertainment.

Use miles to book award flights on United and Star Alliance™ partner airlines. Cardmembers can also redeem earned miles for a statement credit when they use their card to buy United flights.

Save big with United best flight deals from Washington, D.C. (IAD). Fly from Washington, D.C. in premium cabins with great Wi-Fi and in-flight entertainment.