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United Airlines Domestic Flights

Buy United Airlines Domestic Flights

Discover United Airlines domestic flights at Alternative Airlines and book your next domestic flights with us.

Why buy United Airlines domestic flights?

United Airlines is one of the biggest three airlines in the United States. The airline was founded in 1926 as Varney Air Lines and currently headquartered at Willis Tower in Chicago. As well as domestic operations, it also operates international flights to all five continents. It's a founding member of Star Alliance and a subsidiary airline - United Express. To cover this vast network, United Airlines has eight hubs in the United States and the Chicago hub is the largest amongst these hubs.

United Airlines flies to over 200 destinations alongside United Express.

United Airlines Domestic Routes

United Airlines flies many different domestic routes, here are some of its most popular:

  • From Chicago (ORD) to Los Angeles (LAX)
  • From Newark (EWR) to Orlando (MCO)
  • From Chicago (ORD) to Denver(DEN)
  • From San Francisco (SFO) to Boston (BOS)

Check out all the domestic destinations that United Airlines flies to:
Anchorage, Fairbanks, Phoenix, Tucson, Burbank, Fresno, Los Angeles, Ontario, Orange County, Palm Springs, Sacramento, San Diego, San Francisco, San Jose, Santa Barbara, Colorado Springs, Denver, Montrose, Vail, Hartford, Fort Lauderdale, Fort Myers, Jacksonville, Miami, Orlando, Pensacola, Sarasota, Tampa, West Palm Beach, Atlanta, Savannah, Hagåtña, Hilo, Honolulu, Kahului, Kona, Lihue, Boise, Chicago, Indianapolis, Cedar Rapids, Des Moines, Wichita, Cincinnati, New Orleans, Portland, ME, Baltimore, Boston, Detroit, Grand Rapids, Traverse City, Minneapolis/St. Paul, Rochester, MN, Kansas City, St. Louis, Billings, Bozeman, Kalispell, Missoula, Omaha, Las Vegas, Reno, Newark, Albuquerque, Albany, Buffalo, New York City, Charlotte, Rochester, NY, Syracuse, Jackson Hole, Greensboro, Raleigh, Wilmington, Saipan, Cleveland, Columbus, Oklahoma City, Tulsa, Eugene, Medford, Portland, OR, Redmond/Bend, Harrisburg, Philadelphia, Pittsburgh, Aguadilla, San Juan, Providence, Charleston, Myrtle Beach, Sioux Falls, Knoxville, Memphis, Nashville, Austin, Dallas/Fort Worth, Houston, McAllen, Midland/Odessa, San Antonio, Saint Thomas, Salt Lake City, Burlington, Norfolk, Richmond, Milwaukee, Everett, Seattle, Spokane.

Flight cabin

The Cabin

United Airlines offers two cabin classes on US domestic flights, Economy and First Class. However, Economy fare are divided into three fare types, Basic Economy, Standard Economy and Flexible Economy. Not all cabin classes or fare types are available on every flight, please do check when you book with us.

Basic Economy

Basic Economy is the cheapest and simplest fare class available for Economy Class. It's not attached with any extras other than the seat. Seat selection, full-sized carry-on baggage, refunds and flight changes aren't allowed. But it's the best fare class you can buy if you know for sure that you wouldn't amend your ticket.


Normal Economy fares are divided into two fare types, standard Economy and flexible Economy fare. Standard Economy offers passengers to select their seat in advance if it's available. Flexible Economy fare offers you the choice to select your seat, a refundable ticket and any other extras that would customise your travel.

First Class

First Class is the most expensive classes out of the two and yet the most luxurious on United Airlines' domestic flights. Passengers in First Class will receive a personalised service onboard as well as a more spacious seat for you. You will enjoy more legroom and seat recline than the other passengers onboard.

Onboard dining menu would be specially designed for First Class passengers as well, depending of the total flight time. Giving passengers a comfortable flight experience. Lounge access at the airport, priority boarding, priority check-in is also available for First Class passengers. It's guaranteed that you'll have a stress-free experience throughout your whole journey.

Person checking in at the airport

Check-In & Arrival

How to check-in


Online check-in opens 24 hours before the established schedule departure time. You can check-in as soon as online check-in open via the airline website. All passengers are recommended to check-in online.


When checking in with United Airlines, you can either visit a self-service kiosk at the airport or the check-in counter. Passengers travelling with checked baggage must check-in at least 45 minutes before departure, otherwise, passengers should check-in 30 minutes before departure.

Arrival time

If you aren't familiar with the departing airport layout, please arrive at the airport two hours before departure time to give yourself plenty of time to check-in, go through security and reach the boarding gate. Otherwise, passengers are still advised to arrive at the airport 1.5 hours before departure.

Suitcase being weighed at check-in

United Airlines Domestic Flight Baggage


Most passengers onboard United Airlines flight can travel with one personal item as well as one carry-on baggage. However, Basic Economy passengers can only travel with one personal item onboard. There are no weight restrictions on carry-on baggage but must fit within the dimensions of 22" x 14" x 9" (56 cm x 35 cm x 23 cm). It must be able to fit in the overhead lockers or under the seat.

Your personal item cannot exceed 9" x 10" x 17" (22cm x 25cm x 43cm) in three dimensions. The personal item could be a laptop, a camera, a purse, a backpack, etc.


There's no checked baggage allowance for Basic Economy class, however, you can buy baggage allowance online or at the airport. Adding baggage at the airport would be more expensive. Other Economy Class passengers should receive 50lbs (23kg) of baggage allowance with a maximum dimension of 62" (length + width + height). First class passengers are entitled to 70 lbs (32kg) baggage with a maximum dimension of 62" (length + width + height).

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Do you need a passport for United Airlines domestic flights?

If you are a US national, then you won't need a passport to check-in for your flight. Simply use valid government-issued photographic ID to check-in and go through immigration would be fine, unless you have an onward connection to international destinations.

If you are a foreign traveller, you must travel with your passport for your domestic US flights.

How early should I arrive for United Airlines domestic flights?

Passengers are recommended to arrive at the airport 1.5 to 2 hours before your flight, so you have plenty of time to check-in and proceed to the boarding gate.

Can I travel with my pets on United Airlines flights?

Yes, you can! Small pets are allowed to travel with you but there are some restrictions apply. Bigger pets can travel in a climate-controlled and pressurized compartment.

Does United Airlines charge for baggage on domestic flights?

Yes, unless you're flying in First class, United Airlines charge for checked baggage. However, it's cheaper to buy baggage allowance online than at the airport check-in counter.