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You can change or update existing reservations in the My trips section of united.com or the United app. There’s no service charge to get help from our Customer Contact Center by phone if you have an existing reservation, but your representative will inform you of any change fees that may apply.
- Central America and South America
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- Europe
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- U.S. and Canada
U.S. and Canada reservations contact information. For...
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- Traveling with Special Needs
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- Central America and South America
If you do not see your country listed, call our main English language number, 1-800-UNITED-1 (1-800-864-8331). We also have reservation numbers in other languages. Customers who use TDD or TTY devices should call 1-800-323-0170. MileagePlus members can call the MileagePlus Service Center at 1-800-421-4655.
Our Help Center has FAQs & helpful information to assist you with changing/canceling your flight, refunds, using your credits, baggage policy, MileagePlus, seat/upgrades, etc.
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U.S. and Canada reservations contact information. For ticketing, reservations or ticket changes, contact us using the information below. We suggest visiting the Flight Search and Manage Reservations sections before contacting us, as you may be able to book or change your reservation on united.com.
11 sty 2024 · To call about an existing reservation, use the United customer service number 1-800-UNITED-1 (1-800-864-8331). For reservation assistance in the U.S. and Canada, call...
1-800-421-4655 (toll-free) 1-713-952-1630 (charges may apply) For customers who are deaf or use a teletypewriter: 1-800-323-0170. Get quick answers to MileagePlus questions or get additional help by submitting your documents to us.