United States Β· 314 miles (505 km)

Fresno (FAT) to San Diego (SAN) flights

2 airlines fly nonstop from Fresno (FAT) to San Diego (SAN): Alaska Airlines and Southwest Airlines. The two airports are 314 miles (505 km) apart. Alaska Airlines is in oneworld. There are also 5 ways to fly it with one stop, through Los Angeles, Las Vegas and San Francisco and more.

Airlines flying nonstop from FAT to SAN

Book FAT to SAN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

FAT to SAN with one stop

5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Los Angeles (LAX)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Las Vegas (LAS)Southwest Airlines the whole way
    Allegiant Air logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via San Francisco (SFO)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo

FAT to SAN: common questions

Which airlines fly nonstop from FAT to SAN?

Alaska Airlines (oneworld) and Southwest Airlines fly nonstop from Fresno (FAT) to San Diego (SAN).

How far is Fresno from San Diego by plane?

Fresno (FAT) and San Diego (SAN) are 314 miles (505 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book FAT to SAN award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does FAT 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 FAT to SAN with taxes and fees.

Where can I connect between Fresno and San Diego?

The most direct connections are through Los Angeles (LAX), Las Vegas (LAS), San Francisco (SFO), Phoenix (PHX) and Salt Lake City (SLC). On 5 of them the same airline flies both flights, for example United Airlines through Los Angeles.

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.