Tucson (TUS) to San Diego (SAN) flights
One airline flies nonstop from Tucson (TUS) to San Diego (SAN): Southwest Airlines. The two airports are 367 miles (591 km) apart. There are also 6 ways to fly it with one stop, through Phoenix, Los Angeles and Las Vegas and more.
Airlines flying nonstop from TUS to SAN
- Southwest AirlinesNot in an allianceWho books it

TUS to SAN with one stop
6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way



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- Via Los Angeles (LAX)Delta Air Lines the whole way





- Via Las Vegas (LAS)Southwest Airlines the whole way


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- Via San Francisco (SFO)United Airlines the whole way


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- Via Salt Lake City (SLC)Delta Air Lines the whole way




- Via Sacramento (SMF)Southwest Airlines the whole way



TUS to SAN: common questions
Which airlines fly nonstop from TUS to SAN?
Southwest Airlines flies nonstop from Tucson (TUS) to San Diego (SAN).
How far is Tucson from San Diego by plane?
Tucson (TUS) and San Diego (SAN) are 367 miles (591 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does TUS to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for TUS to SAN with taxes and fees.
Where can I connect between Tucson and San Diego?
The most direct connections are through Phoenix (PHX), Los Angeles (LAX), Las Vegas (LAS), San Francisco (SFO) and Salt Lake City (SLC). On 6 of them the same airline flies both flights, for example American Airlines through Phoenix.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.