Travel with Axel,
get the best price.

Route overview: Los Angeles to Atlanta (ATL) flight deals

Ontario → Atlanta

Dec 4, 2026 · return Dec 18, 2026

ONT → ATL1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Fri, Dec 4 – Fri, Dec 18

Delta Air Lines
7:05 amONT
4h 5m
Nonstop
2:10 pmATL
Delta Air Lines
7:15 pmATL
4h 39m
Nonstop
8:54 pmONT

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
11:25 amONT
6h 45m
BNA · 1h 50m
9:10 pmATL
Southwest Airlines
10:05 amATL
7h
DEN · 1h 10m
2:05 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

American Airlines
6:20 amONT
6h 13m
PHX · 1h 6m
3:33 pmATL
American Airlines
5:40 pmATL
7h 12m
PHX · 1h 42m
9:52 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
12:40 pmONT
6h
HOU · 1h
9:40 pmATL
Southwest Airlines
10:05 amATL
7h
DEN · 1h 10m
2:05 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
8:40 amONT
6h 10m
PHX · 1h 20m
5:50 pmATL
Southwest Airlines
10:05 amATL
7h
DEN · 1h 10m
2:05 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Delta Air Lines
6:00 amONT
6h 36m
SLC · 1h 10m
3:36 pmATL
Delta Air Lines
8:05 amATL
7h 12m
SLC · 1h 15m
12:17 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Delta Air Lines
7:05 amONT
4h
Nonstop
2:05 pmATL
Delta Air Lines
8:05 amATL
7h 12m
SLC · 1h 15m
12:17 pmONT

Round-trip total · 1 adult · Taxes included

Make this trip yours

ONT ⇄ ATL

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Delta Air Lines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

Explore this route

All dates for this routeDec 3, 2026 → Dec 17, 2026Dec 5, 2026 → Dec 19, 2026
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Route overview: Los Angeles to Atlanta (ATL) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-04 → 2026-12-18Delta Air LinesDL409 / DL779$420.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18Southwest AirlinesWN1729 + WN2359 / WN3330 + WN2484$335.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18American AirlinesAA1591 + AA593 / AA593 + AA1841$350.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18Southwest AirlinesWN1558 + WN251 / WN3330 + WN2484$335.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18Southwest AirlinesWN494 + WN285 / WN3330 + WN2484$335.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18Delta Air LinesDL2708 + DL835 / DL830 + DL1787$370.002026-10-29T01:52:22Z
2026-12-04 → 2026-12-18Delta Air LinesDL409 / DL830 + DL1787$395.002026-10-29T01:52:22Z

2026-12-04 → 2026-12-18 · $420.00

  • Delta Air Lines DL409: ONT 2026-12-04 07:05:00 → ATL 2026-12-04 14:10:00; nonstop; 245 minutes. Local airport times.
  • Delta Air Lines DL779: ATL 2026-12-18 19:15:00 → ONT 2026-12-18 20:54:00; nonstop; 279 minutes. Local airport times.

2026-12-04 → 2026-12-18 · $335.00

  • Southwest Airlines WN1729 / WN2359: ONT 2026-12-04 11:25:00 → ATL 2026-12-04 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2026-12-04 11:25:00 → BNA 2026-12-04 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2026-12-04 18:55:00 → ATL 2026-12-04 21:10:00.
  • Southwest Airlines WN3330 / WN2484: ATL 2026-12-18 10:05:00 → ONT 2026-12-18 14:05:00; 1 stop(s) via DEN; 420 minutes. Local airport times.
    • WN3330: ATL 2026-12-18 10:05:00 → DEN 2026-12-18 11:35:00; layover at DEN: 70 minutes.
    • WN2484: DEN 2026-12-18 12:45:00 → ONT 2026-12-18 14:05:00.

2026-12-04 → 2026-12-18 · $350.00

  • American Airlines AA1591 / AA593: ONT 2026-12-04 06:20:00 → ATL 2026-12-04 15:33:00; 1 stop(s) via PHX; 373 minutes. Local airport times.
    • AA1591: ONT 2026-12-04 06:20:00 → PHX 2026-12-04 08:48:00; layover at PHX: 66 minutes.
    • AA593: PHX 2026-12-04 09:54:00 → ATL 2026-12-04 15:33:00.
  • American Airlines AA593 / AA1841: ATL 2026-12-18 17:40:00 → ONT 2026-12-18 21:52:00; 1 stop(s) via PHX; 432 minutes. Local airport times.
    • AA593: ATL 2026-12-18 17:40:00 → PHX 2026-12-18 19:53:00; layover at PHX: 102 minutes.
    • AA1841: PHX 2026-12-18 21:35:00 → ONT 2026-12-18 21:52:00.

2026-12-04 → 2026-12-18 · $335.00

  • Southwest Airlines WN1558 / WN251: ONT 2026-12-04 12:40:00 → ATL 2026-12-04 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2026-12-04 12:40:00 → HOU 2026-12-04 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2026-12-04 18:40:00 → ATL 2026-12-04 21:40:00.
  • Southwest Airlines WN3330 / WN2484: ATL 2026-12-18 10:05:00 → ONT 2026-12-18 14:05:00; 1 stop(s) via DEN; 420 minutes. Local airport times.
    • WN3330: ATL 2026-12-18 10:05:00 → DEN 2026-12-18 11:35:00; layover at DEN: 70 minutes.
    • WN2484: DEN 2026-12-18 12:45:00 → ONT 2026-12-18 14:05:00.

2026-12-04 → 2026-12-18 · $335.00

  • Southwest Airlines WN494 / WN285: ONT 2026-12-04 08:40:00 → ATL 2026-12-04 17:50:00; 1 stop(s) via PHX; 370 minutes. Local airport times.
    • WN494: ONT 2026-12-04 08:40:00 → PHX 2026-12-04 11:00:00; layover at PHX: 80 minutes.
    • WN285: PHX 2026-12-04 12:20:00 → ATL 2026-12-04 17:50:00.
  • Southwest Airlines WN3330 / WN2484: ATL 2026-12-18 10:05:00 → ONT 2026-12-18 14:05:00; 1 stop(s) via DEN; 420 minutes. Local airport times.
    • WN3330: ATL 2026-12-18 10:05:00 → DEN 2026-12-18 11:35:00; layover at DEN: 70 minutes.
    • WN2484: DEN 2026-12-18 12:45:00 → ONT 2026-12-18 14:05:00.

2026-12-04 → 2026-12-18 · $370.00

  • Delta Air Lines DL2708 / DL835: ONT 2026-12-04 06:00:00 → ATL 2026-12-04 15:36:00; 1 stop(s) via SLC; 396 minutes. Local airport times.
    • DL2708: ONT 2026-12-04 06:00:00 → SLC 2026-12-04 08:49:00; layover at SLC: 70 minutes.
    • DL835: SLC 2026-12-04 09:59:00 → ATL 2026-12-04 15:36:00.
  • Delta Air Lines DL830 / DL1787: ATL 2026-12-18 08:05:00 → ONT 2026-12-18 12:17:00; 1 stop(s) via SLC; 432 minutes. Local airport times.
    • DL830: ATL 2026-12-18 08:05:00 → SLC 2026-12-18 10:15:00; layover at SLC: 75 minutes.
    • DL1787: SLC 2026-12-18 11:30:00 → ONT 2026-12-18 12:17:00.

2026-12-04 → 2026-12-18 · $395.00

  • Delta Air Lines DL409: ONT 2026-12-04 07:05:00 → ATL 2026-12-04 14:05:00; nonstop; 240 minutes. Local airport times.
  • Delta Air Lines DL830 / DL1787: ATL 2026-12-18 08:05:00 → ONT 2026-12-18 12:17:00; 1 stop(s) via SLC; 432 minutes. Local airport times.
    • DL830: ATL 2026-12-18 08:05:00 → SLC 2026-12-18 10:15:00; layover at SLC: 75 minutes.
    • DL1787: SLC 2026-12-18 11:30:00 → ONT 2026-12-18 12:17:00.

Explore this route