Southwest Airlines WN

124 nonstop destinations · 14 countries

Main hubs: Denver (DEN) · Chicago (MDW) · Dallas (DAL)

Cheap Southwest Airlines nonstop deals

Direct round-trips on Southwest Airlines below their typical price · updated continuously
San Diego San Francisco (SFO)
🔥 20%
Southwest
Oct 16 – Oct 23 · 7 nights
$137 typical $172
Portland Long Beach (LGB)
🔥 42%
Southwest
Oct 14 – Oct 21 · 7 nights
$157 typical $269
Atlanta Denver (DEN)
🔥 41%
Southwest
Oct 28 – Nov 4 · 7 nights
$197 typical $333
Watch cheap Southwest Airlines deals The cheapest nonstop round-trips from Denver (DEN), where Southwest Airlines is based — free, weekly, no password.

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Where Southwest Airlines flies nonstop

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About Southwest Airlines

Southwest Airlines (WN) operates 1980 nonstop routes to 124 destinations across 14 countries, departing from 123 airports. Its busiest bases by nonstop route count are Denver (DEN), Chicago (MDW) and Dallas (DAL). Updated 30 August 2026.

Busiest Southwest Airlines routes

Frequently asked questions

Where does Southwest Airlines fly?

Southwest Airlines (WN) flies nonstop to 124 destinations in 14 countries, with the most routes from Denver (DEN), Chicago (MDW) and Dallas (DAL).

How many destinations does Southwest Airlines fly to?

Southwest Airlines operates 1980 nonstop routes serving 124 destinations across 14 countries.

What are Southwest Airlines's main hubs?

Southwest Airlines's busiest airports by nonstop route count are Denver (DEN) (94 routes), Chicago (MDW) (81 routes) and Dallas (DAL) (79 routes).

Which routes does Southwest Airlines fly most frequently?

Southwest Airlines's most frequent nonstop routes are LAX–ELP (multiple daily), LAX–STL (multiple daily), SJU–MCO (multiple daily), SJU–FLL (multiple daily) and SJU–BWI (multiple daily).

Southwest Airlines hubs: Denver (DEN) Chicago (MDW) Dallas (DAL) Nashville (BNA) Baltimore (BWI) Las Vegas (LAS)