Direct (nonstop) flights from San Diego to Houston

1 airline flys nonstop from San Diego International Airport (SAN) to William P. Hobby Airport (HOU). It's 1,313 miles (2,113 km), about 3h 10m in the air. Operated by Southwest Airlines.

SAN
San Diego International Airport
🇺🇸 San Diego, USA
HOU
William P. Hobby Airport
🇺🇸 Houston, USA
Flight Time
3h 10m
Distance
1,313 mi
2,113 km
CO₂/pax
222 kg
−46 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+2h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
SAN → HOU
Flight Time
3h 10m
Distance
1,313 mi

Alternative Routes

Other ways to fly from San Diego to Houston with one stop · direct emits 222 kg CO₂ per passenger

SAN ELP (El Paso) HOU
Leg 1: 1h 50m (635 mi) Leg 2: 1h 50m (677 mi) Total: ~3h 40m 🍃 268 kg CO₂ (+21% vs. direct)
Leg 1
SAN → ELP
1h 50m · 635 mi
View SAN to ELP flights →
Leg 2
ELP → HOU
1h 50m · 677 mi
View ELP to HOU flights →
SAN SAT (San Antonio) HOU
Leg 1: 2h 45m (1,130 mi) Leg 2: 1h (192 mi) Total: ~3h 45m 🍃 252 kg CO₂ (+14% vs. direct)
Leg 1
SAN → SAT
2h 45m · 1,130 mi
View SAN to SAT flights →
Leg 2
SAT → HOU
1h · 192 mi
View SAT to HOU flights →
SAN TUS (Tucson) HOU
Leg 1: 1h 30m (368 mi) Leg 2: 2h 15m (944 mi) Total: ~3h 45m 🍃 253 kg CO₂ (+14% vs. direct)
Leg 1
SAN → TUS
1h 30m · 368 mi
View SAN to TUS flights →
Leg 2
TUS → HOU
2h 15m · 944 mi
View TUS to HOU flights →
SAN PHX (Phoenix) HOU
Leg 1: 1h 25m (305 mi) Leg 2: 2h 30m (1,019 mi) Total: ~3h 55m 🍃 253 kg CO₂ (+14% vs. direct)
Leg 1
SAN → PHX
1h 25m · 305 mi
View SAN to PHX flights →
Leg 2
PHX → HOU
2h 30m · 1,019 mi
View PHX to HOU flights →
SAN AUS (Austin) HOU
Leg 1: 2h 55m (1,164 mi) Leg 2: 1h (148 mi) Total: ~3h 55m 🍃 249 kg CO₂ (+12% vs. direct)
Leg 1
SAN → AUS
2h 55m · 1,164 mi
View SAN to AUS flights →
Leg 2
AUS → HOU
1h · 148 mi
View AUS to HOU flights →

Frequently Asked Questions

How long is the direct flight from San Diego to Houston?

A nonstop flight from San Diego (SAN) to Houston (HOU) takes approximately 3 hours and 10 minutes. The distance is 1,313 miles (2,113 km).

Which airlines fly nonstop from San Diego to Houston?

Just Southwest Airlines.

Is there a nonstop flight from San Diego to Houston?

Yes. 1 airline: Southwest Airlines.

How far is San Diego from Houston?

The flight distance from San Diego to Houston is 1,313 miles (2,113 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from San Diego to Houston?

At 3h 10m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from San Diego to Houston?

Roughly 222 kg CO2 per passenger one-way. That's about the same as driving 1,110 km.

Is the return flight from Houston to San Diego 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 San Diego to Houston?

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 San Diego International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.