United Airlines UA

401 nonstop destinations · 73 countries · Star Alliance

Main hubs: Chicago (ORD) · Denver (DEN) · Houston (IAH)

Cheap United Airlines nonstop deals

Direct round-trips on United Airlines below their typical price · updated continuously
Baltimore Chicago (ORD)
🔥 42%
United Frontier
Sep 16 – Sep 24 · 8 nights
$156 typical $269
Los Angeles Vancouver (YVR)
🔥 71%
United Flair
Sep 15 – Sep 23 · 8 nights
$157 typical $550
Denver Chicago (ORD)
🔥 61%
United Frontier
Jul 22 – Jul 25 · 3 nights
$161 typical $416
Watch cheap United Airlines deals The cheapest nonstop round-trips from Chicago (ORD), where United Airlines is based — free, weekly, no password.

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Where United Airlines flies nonstop

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About United Airlines

United Airlines (UA) operates 2085 nonstop routes to 401 destinations across 73 countries, departing from 349 airports. Its busiest bases by nonstop route count are Chicago (ORD), Denver (DEN) and Houston (IAH). United Airlines is a member of Star Alliance. Updated 30 June 2026.

Frequently asked questions

Where does United Airlines fly?

United Airlines (UA) flies nonstop to 401 destinations in 73 countries, with the most routes from Chicago (ORD), Denver (DEN) and Houston (IAH).

How many destinations does United Airlines fly to?

United Airlines operates 2085 nonstop routes serving 401 destinations across 73 countries.

What are United Airlines's main hubs?

United Airlines's busiest airports by nonstop route count are Chicago (ORD) (221 routes), Denver (DEN) (198 routes) and Houston (IAH) (180 routes).

Is United Airlines part of an airline alliance?

Yes — United Airlines is a member of Star Alliance.

Other Star Alliance airlines: Croatia Airlines Avianca LOT - Polish Airlines Turkish Airlines EVA Air Austrian Air Canada SWISS

United Airlines hubs: Chicago (ORD) Denver (DEN) Houston (IAH) Newark (EWR) Dulles (IAD) San Francisco (SFO)