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Make flight reservations

Making a reservation

Do I have to be a MileagePlus member to book flights on

No, anyone with a billing address in a country where United offers flight service may book online. We encourage MileagePlus members to sign in before or during the booking process so they can have their travel and payment information provided to them.

I do not live in the United States. Can I book a ticket in my local currency on

Yes, just select your billing country at the top of the page. See our list of countries where you can book airline tickets on

What does "billing address country" mean?

Billing address country refers to the country in which you either receive your billing statement from the credit card you plan to use, or the country in which you plan to pay in cash at a Western Union or United ticketing facility.

I don't have a credit or debit card. Can I still book a flight on

Yes, offers the opportunity to pay cash at a United ticketing facility or use PayPal Credit. View the full list of accepted payment options.

Is it safe to submit a credit card to

Yes, your credit card information is secured using advanced web technology called Secure Socket Layer (SSL) to protect personal information as it travels across the internet. SSL is an industry standard technology supported by Chrome, Internet Explorer, Firefox, Safari and other popular web browsers. United uses SSL to completely encrypt your credit card data so that it cannot be read by anyone else.

I need to buy an airline ticket for a child 15 or younger to travel alone. Can I purchase the ticket online?

Yes, MileagePlus members may book a ticket for an unaccompanied minor online. Please see our unaccompanied minor policy for details.

Do I need to make a reservation for a lap infant?

Yes, select the All search options link in the flight search box on the homepage and enter the number of infants traveling in adult laps. See our traveling with children policy for details.

Can I include my in-cabin pet in my reservation?

Yes, on the View Current Reservation page you can select Add Pet to add your pet traveling in-cabin to your existing reservation. United allows domesticated cats, dogs, pet rabbits and household birds (excluding cockatoos) to be carried in the aircraft cabin on most flights within the U.S. An in-cabin pet may be carried instead in addition to a carry-on bag and is subject to a service charge each way. In-cabin pets can be booked online or by calling the United Customer Contact Center at 1-800-UNITED-1 (1-800-864-8331). For additional information, please visit our In-Cabin Pets page.

Booking process

What cities does United Airlines serve?

See a list of the cities that are served by United and its partners or visit our Timetable Web page to see the latest schedules.

I received a promotional offer to be redeemed online. How can I redeem it?

If you have an offer code, you can select "All search options" on the home page and then enter it in the field at the bottom of the page. If you are redeeming a gift certificate or electronic travel certificate, it can be redeemed in the Payment section during the flight booking process.

Can I book flights for multiple-stop itineraries online?

Yes, you can purchase tickets for one-way or multiple-destination travel by selecting "One way" or "Multi-city" at the top of the flight search box on the home page.

Can I "hold" a flight?

On we offer instant ticketing that includes a 24-hour refund policy. You can return to your reservation in Manage Reservations to request a refund after purchasing if you were signed into your MileagePlus account at time of purchase.

You can also use our FareLock® service to guarantee your itinerary and the fare you've been quoted for 72 hours or seven days, depending on your selection. Once you have your itinerary and fare on hold with FareLock, you don't have to worry about the price of your itinerary going up or the flight selling out.

Does the number of travelers I choose limit my fare choices?

Yes. Based on the number of travelers in your group, the lowest fare may not be available on a particular flight due to seat availability.

Do you offer special assistance for customers with disabilities?

Yes, you can place a special needs request on the Traveler Details page during the booking process. See Customers with Disabilities for details. Please note that some special needs assistance is not available on all flights due to aircraft type or other considerations.

I noticed some flights are operated by other airlines and have a 24-hour hold. What does this mean?

Flights operated by certain partners require a 24-hour hold so we can ensure that your preferred flight and seat are processed with that partner. Once we receive confirmation of your itinerary from the partner airline, we will notify you via email.

How far in advance can I book a ticket?

You can book a ticket online 330 days prior to travel.

How many passengers can I book in one reservation?

Up to eight travelers can be booked at one time on For groups of nine travelers, please call 1-800-UNITED-1 (1-800-864-8331) within the U.S. and Canada, or your local United Customer Contact Center. For groups of ten or more, please contact United GroupsSM for special consideration.

Can I make changes to my reservation after I have purchased it?

You are not allowed to make changes to Basic Economy tickets, but most other tickets allow for changes. If your ticket can be changed, you may do so in Manage Reservations after purchasing. Please note that a change fee may apply.