Cheap flights from Atlanta to San Diego

One-way fares from $143 · ATL → SAN · prices found by travellers in the last 48 hours

Cheapest fare
$143

Frontier Airlines · Fri, Dec 4

Cheapest month
December

from $143

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 57m

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.

  1. December 2026 Cheapest $143
  2. January 2027 $195
  3. September 2027 $241

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart05:24 Fri, Dec 4ATL → SAN 6h 54m · 2 stops
$143one way, per person
View deal
Frontier Airlines
Depart19:26 Fri, Dec 25ATL → SAN 6h 08m · 1 stop
$192one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to San Diego

Where to stay, what to do and getting around, from our travel partners.

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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