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.

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

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

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.

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

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.

You can bring one carry-on bag and personal item for free on most flights. Find information on size limits, special items, bag help, traveler tips, and more.

If you don't travel because we cancel a flight or schedule changes, you can get a refund. To learn more about your different options, use our tool or request a refund using our form.