Direct (nonstop) flights from Tucson to San Diego
1 airline flys nonstop from Tucson International (TUS) to San Diego International Airport (SAN). It's 368 miles (592 km), about 1h 20m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Tucson to San Diego with one stop · direct emits 68 kg CO₂ per passenger
Looking for the return flight?
SAN → TUS: Flights from San Diego to TucsonOther direct flights from Tucson
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Tucson to San Diego?
A nonstop flight from Tucson (TUS) to San Diego (SAN) takes approximately 1 hours and 20 minutes. The distance is 368 miles (592 km).
Which airlines fly nonstop from Tucson to San Diego?
Just Southwest Airlines.
Is there a nonstop flight from Tucson to San Diego?
Yes. 1 airline: Southwest Airlines.
How far is Tucson from San Diego?
The flight distance from Tucson to San Diego is 368 miles (592 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Tucson to San Diego?
At 1h 20m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Tucson to San Diego?
Roughly 68 kg CO2 per passenger one-way. That's about the same as driving 340 km.
Is the return flight from San Diego to Tucson also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Tucson to San Diego?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Tucson International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.