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Ontario → Atlanta

Dec 21, 2026 · one way

ONT → ATL1 adulteconomyOne way

8 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

Delta Air Lines
12:20 pmONT
4h 9m
Nonstop
7:29 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
7:05 amONT
4h
Nonstop
2:05 pmATL

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

Southwest Airlines
12:40 pmONT
6h
HOU · 1h
9:40 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
6:20 amONT
6h 13m
PHX · 1h 6m
3:33 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
5:00 amONT
7h 7m
DEN · 1h 48m
3:07 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:40 amONT
6h 10m
PHX · 1h 20m
5:50 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
11:25 amONT
6h 45m
BNA · 1h 50m
9:10 pmATL

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
6:00 amONT
6h 36m
SLC · 1h 10m
3:36 pmATL

One-way 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)
2026-12-21 · one wayDelta Air LinesDL665$292.502026-10-29T01:52:22Z
2026-12-21 · one waySouthwest AirlinesWN1558 + WN251$227.502026-10-29T01:52:22Z
2026-12-21 · one wayAmerican AirlinesAA1591 + AA593$240.502026-10-29T01:52:22Z
2026-12-21 · one wayUnited AirlinesUA2446 + UA1490$247.002026-10-29T01:52:22Z
2026-12-21 · one wayDelta Air LinesDL409$292.502026-10-29T01:52:22Z
2026-12-21 · one waySouthwest AirlinesWN494 + WN285$227.502026-10-29T01:52:22Z
2026-12-21 · one waySouthwest AirlinesWN1729 + WN2359$227.502026-10-29T01:52:22Z
2026-12-21 · one wayDelta Air LinesDL2708 + DL835$253.502026-10-29T01:52:22Z

2026-12-21 · one way · $292.50

  • Delta Air Lines DL665: ONT 2026-12-21 12:20:00 → ATL 2026-12-21 19:29:00; nonstop; 249 minutes. Local airport times.

2026-12-21 · one way · $227.50

  • Southwest Airlines WN1558 / WN251: ONT 2026-12-21 12:40:00 → ATL 2026-12-21 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2026-12-21 12:40:00 → HOU 2026-12-21 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2026-12-21 18:40:00 → ATL 2026-12-21 21:40:00.

2026-12-21 · one way · $240.50

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

2026-12-21 · one way · $247.00

  • United Airlines UA2446 / UA1490: ONT 2026-12-21 05:00:00 → ATL 2026-12-21 15:07:00; 1 stop(s) via DEN; 427 minutes. Local airport times.
    • UA2446: ONT 2026-12-21 05:00:00 → DEN 2026-12-21 08:17:00; layover at DEN: 108 minutes.
    • UA1490: DEN 2026-12-21 10:05:00 → ATL 2026-12-21 15:07:00.

2026-12-21 · one way · $292.50

  • Delta Air Lines DL409: ONT 2026-12-21 07:05:00 → ATL 2026-12-21 14:05:00; nonstop; 240 minutes. Local airport times.

2026-12-21 · one way · $227.50

  • Southwest Airlines WN494 / WN285: ONT 2026-12-21 08:40:00 → ATL 2026-12-21 17:50:00; 1 stop(s) via PHX; 370 minutes. Local airport times.
    • WN494: ONT 2026-12-21 08:40:00 → PHX 2026-12-21 11:00:00; layover at PHX: 80 minutes.
    • WN285: PHX 2026-12-21 12:20:00 → ATL 2026-12-21 17:50:00.

2026-12-21 · one way · $227.50

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

2026-12-21 · one way · $253.50

  • Delta Air Lines DL2708 / DL835: ONT 2026-12-21 06:00:00 → ATL 2026-12-21 15:36:00; 1 stop(s) via SLC; 396 minutes. Local airport times.
    • DL2708: ONT 2026-12-21 06:00:00 → SLC 2026-12-21 08:49:00; layover at SLC: 70 minutes.
    • DL835: SLC 2026-12-21 09:59:00 → ATL 2026-12-21 15:36:00.

More dates for this route