- Cheapest fare
- $143
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 5h 57m
Frontier Airlines · Fri, Dec 4
from $143
Usually 1+ stop
3,040 km
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Cheapest month to fly from Atlanta to San Diego
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Atlanta to San Diego
Atlanta (ATL) and San Diego (SAN) are about 3,040 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 57m. Over the next few months, one-way fares start from $143, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Atlanta to San Diego?
The cheapest one-way fare we've seen recently is $143 with Frontier Airlines, departing Friday, December 4, 2026. Over the coming months, the lowest fare in each month ranges from $143 to $241.
What is the cheapest month to fly from Atlanta to San Diego?
December 2026 currently has the lowest fares, from $143 one way.
Are there direct flights from Atlanta to San Diego?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Atlanta to San Diego?
The quickest journey we've seen takes about 5h 57m. Atlanta and San Diego are around 3,040 km apart.
Which airlines fly from Atlanta to San Diego?
Recent fares on this route were with Frontier Airlines and Alaska Airlines.
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