United Airlines
United Airlines is one of the biggest airlines in the world. It flies to more than 340 cities across six continents. The airline has eight main hubs in the U.S., including Chicago, Newark, Denver, Houston, and San Francisco. United is a member of Star Alliance, giving passengers access to a network of more than 25 partner airlines worldwide. At FaresMatch, we check cheap United Airlines tickets every single day. Our advisors look at domestic and international routes so you get the lowest price. Need a short domestic trip or a long flight overseas? We make booking United Airlines flights quick and easy. You can also check our flight deals page for the latest offers.
United Airlines hubsUnited's eight U.S. hubs give it unmatched domestic coverage and strong international connectivity. Each hub anchors a different region and feeds into United's global network.Tips for booking cheap United flights
United domestic fares are typically most competitive 3 to 6 weeks before departure. For international routes, booking 2 to 4 months ahead usually finds the best prices before peak-season demand fills the lowest fare buckets.
United's Basic Economy is the lowest fare but restricts seat selection and doesn't allow changes or cancellations. It works well for certain travel if you're packing light and certain of your dates — otherwise, upgrade to Economy for more flexibility.
Tuesdays and Wednesdays consistently show the lowest United fares on domestic routes. Friday and Sunday carry a premium from business and leisure demand. Midweek travel can save $30–$80 each way.
United's MileagePlus is a Star Alliance program, giving earning and redemption opportunities across 40+ partner airlines including Lufthansa, Singapore Airlines, ANA, and Air Canada.
Frequently asked questions
How many hubs does United Airlines have?
United operates eight U.S. hubs: Chicago O'Hare (ORD), Newark (EWR), San Francisco (SFO), Houston Intercontinental (IAH), Denver (DEN), Los Angeles (LAX), Washington Dulles (IAD), and Guam (GUM). Chicago and Newark are the largest by flight volume.
What is United Airlines MileagePlus?
MileagePlus is United's free frequent flyer program. Members earn miles on United and Star Alliance partner flights and can redeem them for award flights, upgrades, and partner rewards. Premier status tiers — Silver, Gold, Platinum, and 1K — unlock complimentary upgrades, priority boarding, waived bag fees, and bonus miles.
Does United Airlines charge for checked bags?
United allows one personal item and one carry-on bag free on most fare types. Checked bags start at $35 for the first bag on domestic routes. Basic Economy does not allow carry-on upgrades on select routes. MileagePlus credit card holders and Premier status members receive complimentary checked bags.
What is United Polaris?
United Polaris is United's long-haul international business class. It features lie-flat seats with direct aisle access on most aircraft, multi-course dining designed by notable chefs, Saks Fifth Avenue bedding, and access to Polaris Lounges at Chicago O'Hare, Newark, Houston, San Francisco, Los Angeles, and Tokyo Narita.
Can I change or cancel a United Airlines flight?
United's Economy and above allow changes and cancellations with no fee. Basic Economy does not allow changes. Cancelled eligible tickets receive a travel credit valid for 12 months. Refundable fares return the full amount to the original payment method. Changes can be made online, via the app, or by calling United.
Trending United Airlines fares
One-way starting prices on popular United routes. Search above for live availability.
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Chicago
Shoulder season SFO → ORD San Francisco – Chicago- Flight time
- 4h nonstop
- Airlines
- United
$89Low fare -
Denver
Midweek deal LAX → DEN Los Angeles – Denver- Flight time
- 2h 30m nonstop
- Airlines
- United
$79Low fare -
Miami
Fall travel EWR → MIA Newark – Miami- Flight time
- 3h nonstop
- Airlines
- United
$89Low fare -
Hawaii
Book early SFO → HNL San Francisco – Honolulu- Flight time
- 5h 30m nonstop
- Airlines
- United
$249Low fare -
London
Spring travel IAD → LHR Washington Dulles – London- Flight time
- 7h 30m nonstop
- Airlines
- United
$330Low fare -
Tokyo
Book early ORD → NRT Chicago – Tokyo Narita- Flight time
- 13h nonstop
- Airlines
- United
$480Low fare
Prices shown are recent starting fares and may change with date, demand, route, and availability.
United Airlines cabin classes
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ORD Chicago O'Hare
United's largest hub by flights operated. Key gateway for East–West transcontinental and transatlantic routes.
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EWR Newark Liberty
United's primary East Coast hub, serving as the main transatlantic gateway for New York area passengers.
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SFO San Francisco
United's West Coast hub with extensive transpacific routes to Japan, China, South Korea, and Australia.
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IAH Houston Intercontinental
United's gateway to Latin America — the most connected hub for Central and South American destinations.
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DEN Denver
United's hub for the Mountain West, connecting the Rockies and Great Plains to the coasts.
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LAX Los Angeles
United's Southern California hub feeding the West Coast to domestic and international destinations.
Find the cheapest United Airlines fare
A FaresMatch advisor will compare United fares — including unpublished rates — with all other available options on your route to lock in the best price for your trip.
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Fare ranges are typical recent prices and change with demand, dates, and availability; confirm live fares before booking. FaresMatch is an independent travel platform with no direct tie-up or affiliation with any airline.
