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Ontario → Atlanta

Dec 13, 2026 · return Dec 19, 2026

ONT → ATL1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Sun, Dec 13 – Sat, Dec 19

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

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

Delta Air Lines
12:20 pmONT
4h 9m
Nonstop
7:29 pmATL
Delta Air Lines
7:15 pmATL
4h 39m
Nonstop
8:54 pmONT

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Sat, Dec 19

Southwest Airlines
8:40 amONT
6h 10m
PHX · 1h 20m
5:50 pmATL
Southwest Airlines
6:15 amATL
7h 30m
DAL · 2h 10m
10:45 amONT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

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

Sun, Dec 13 – Sat, Dec 19

United Airlines
5:00 amONT
7h 7m
DEN · 1h 48m
3:07 pmATL
American Airlines
5:40 pmATL
7h 12m
PHX · 1h 42m
9:52 pmONT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

Southwest Airlines
12:40 pmONT
6h
HOU · 1h
9:40 pmATL
Southwest Airlines
6:15 amATL
7h 30m
DAL · 2h 10m
10:45 amONT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

Southwest Airlines
11:25 amONT
6h 45m
BNA · 1h 50m
9:10 pmATL
Southwest Airlines
6:15 amATL
7h 30m
DAL · 2h 10m
10:45 amONT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

Delta Air Lines
6:00 amONT
6h 36m
SLC · 1h 10m
3:36 pmATL
Delta Air Lines
7:15 pmATL
4h 39m
Nonstop
8:54 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.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-13 → 2026-12-19Delta Air LinesDL409 / DL779$483.002026-10-29T01:52:22Z
2026-12-13 → 2026-12-19Southwest AirlinesWN494 + WN285 / WN4455 + WN3819$385.252026-10-29T01:52:22Z
2026-12-13 → 2026-12-19American AirlinesAA1591 + AA593 / AA593 + AA1841$402.502026-10-29T01:52:22Z
2026-12-13 → 2026-12-19United Airlines / American AirlinesUA2446 + UA1490 / AA593 + AA1841$407.502026-10-29T01:52:22Z
2026-12-13 → 2026-12-19Delta Air LinesDL665 / DL779$483.002026-10-29T01:52:22Z
2026-12-13 → 2026-12-19Southwest AirlinesWN1558 + WN251 / WN4455 + WN3819$385.252026-10-29T01:52:22Z
2026-12-13 → 2026-12-19Southwest AirlinesWN1729 + WN2359 / WN4455 + WN3819$385.252026-10-29T01:52:22Z
2026-12-13 → 2026-12-19Delta Air LinesDL2708 + DL835 / DL779$458.002026-10-29T01:52:22Z

2026-12-13 → 2026-12-19 · $483.00

  • Delta Air Lines DL409: ONT 2026-12-13 07:05:00 → ATL 2026-12-13 14:05:00; nonstop; 240 minutes. Local airport times.
  • Delta Air Lines DL779: ATL 2026-12-19 19:15:00 → ONT 2026-12-19 20:54:00; nonstop; 279 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $385.25

  • Southwest Airlines WN494 / WN285: ONT 2026-12-13 08:40:00 → ATL 2026-12-13 17:50:00; 1 stop(s) via PHX; 370 minutes. Local airport times.
    • WN494: ONT 2026-12-13 08:40:00 → PHX 2026-12-13 11:00:00; layover at PHX: 80 minutes.
    • WN285: PHX 2026-12-13 12:20:00 → ATL 2026-12-13 17:50:00.
  • Southwest Airlines WN4455 / WN3819: ATL 2026-12-19 06:15:00 → ONT 2026-12-19 10:45:00; 1 stop(s) via DAL; 450 minutes. Local airport times.
    • WN4455: ATL 2026-12-19 06:15:00 → DAL 2026-12-19 07:30:00; layover at DAL: 130 minutes.
    • WN3819: DAL 2026-12-19 09:40:00 → ONT 2026-12-19 10:45:00.

2026-12-13 → 2026-12-19 · $402.50

  • American Airlines AA1591 / AA593: ONT 2026-12-13 06:20:00 → ATL 2026-12-13 15:33:00; 1 stop(s) via PHX; 373 minutes. Local airport times.
    • AA1591: ONT 2026-12-13 06:20:00 → PHX 2026-12-13 08:48:00; layover at PHX: 66 minutes.
    • AA593: PHX 2026-12-13 09:54:00 → ATL 2026-12-13 15:33:00.
  • American Airlines AA593 / AA1841: ATL 2026-12-19 17:40:00 → ONT 2026-12-19 21:52:00; 1 stop(s) via PHX; 432 minutes. Local airport times.
    • AA593: ATL 2026-12-19 17:40:00 → PHX 2026-12-19 19:53:00; layover at PHX: 102 minutes.
    • AA1841: PHX 2026-12-19 21:35:00 → ONT 2026-12-19 21:52:00.

2026-12-13 → 2026-12-19 · $407.50

  • United Airlines UA2446 / UA1490: ONT 2026-12-13 05:00:00 → ATL 2026-12-13 15:07:00; 1 stop(s) via DEN; 427 minutes. Local airport times.
    • UA2446: ONT 2026-12-13 05:00:00 → DEN 2026-12-13 08:17:00; layover at DEN: 108 minutes.
    • UA1490: DEN 2026-12-13 10:05:00 → ATL 2026-12-13 15:07:00.
  • American Airlines AA593 / AA1841: ATL 2026-12-19 17:40:00 → ONT 2026-12-19 21:52:00; 1 stop(s) via PHX; 432 minutes. Local airport times.
    • AA593: ATL 2026-12-19 17:40:00 → PHX 2026-12-19 19:53:00; layover at PHX: 102 minutes.
    • AA1841: PHX 2026-12-19 21:35:00 → ONT 2026-12-19 21:52:00.

2026-12-13 → 2026-12-19 · $483.00

  • Delta Air Lines DL665: ONT 2026-12-13 12:20:00 → ATL 2026-12-13 19:29:00; nonstop; 249 minutes. Local airport times.
  • Delta Air Lines DL779: ATL 2026-12-19 19:15:00 → ONT 2026-12-19 20:54:00; nonstop; 279 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $385.25

  • Southwest Airlines WN1558 / WN251: ONT 2026-12-13 12:40:00 → ATL 2026-12-13 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2026-12-13 12:40:00 → HOU 2026-12-13 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2026-12-13 18:40:00 → ATL 2026-12-13 21:40:00.
  • Southwest Airlines WN4455 / WN3819: ATL 2026-12-19 06:15:00 → ONT 2026-12-19 10:45:00; 1 stop(s) via DAL; 450 minutes. Local airport times.
    • WN4455: ATL 2026-12-19 06:15:00 → DAL 2026-12-19 07:30:00; layover at DAL: 130 minutes.
    • WN3819: DAL 2026-12-19 09:40:00 → ONT 2026-12-19 10:45:00.

2026-12-13 → 2026-12-19 · $385.25

  • Southwest Airlines WN1729 / WN2359: ONT 2026-12-13 11:25:00 → ATL 2026-12-13 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2026-12-13 11:25:00 → BNA 2026-12-13 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2026-12-13 18:55:00 → ATL 2026-12-13 21:10:00.
  • Southwest Airlines WN4455 / WN3819: ATL 2026-12-19 06:15:00 → ONT 2026-12-19 10:45:00; 1 stop(s) via DAL; 450 minutes. Local airport times.
    • WN4455: ATL 2026-12-19 06:15:00 → DAL 2026-12-19 07:30:00; layover at DAL: 130 minutes.
    • WN3819: DAL 2026-12-19 09:40:00 → ONT 2026-12-19 10:45:00.

2026-12-13 → 2026-12-19 · $458.00

  • Delta Air Lines DL2708 / DL835: ONT 2026-12-13 06:00:00 → ATL 2026-12-13 15:36:00; 1 stop(s) via SLC; 396 minutes. Local airport times.
    • DL2708: ONT 2026-12-13 06:00:00 → SLC 2026-12-13 08:49:00; layover at SLC: 70 minutes.
    • DL835: SLC 2026-12-13 09:59:00 → ATL 2026-12-13 15:36:00.
  • Delta Air Lines DL779: ATL 2026-12-19 19:15:00 → ONT 2026-12-19 20:54:00; nonstop; 279 minutes. Local airport times.

More dates for this route