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Route overview: Atlanta to Ontario (ONT) flight deals

Atlanta → Ontario

Jun 27, 2027 · choose your return date

ATL → ONT1 adulteconomyOne way and round trips

30 flight options · 3 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

June 2027

Jun 27, 2027 · One wayFrontier AirlinesUp to 1 stop each way$135.00 Jun 27, 2027 · One waySouthwest AirlinesUp to 1 stop each way$225.00 Jun 27, 2027 – Jun 28, 2027 · 1 nightFrontier Airlines / Southwest AirlinesUp to 1 stop each way$340.00 Jun 27, 2027 – Jun 28, 2027 · 1 nightSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jun 29, 2027 · 2 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jun 29, 2027 · 2 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jun 30, 2027 · 3 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jun 30, 2027 · 3 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jul 1, 2027 · 4 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$436.50 Jun 27, 2027 – Jul 1, 2027 · 4 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 2, 2027 · 5 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$436.50 Jun 27, 2027 – Jul 2, 2027 · 5 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 3, 2027 · 6 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$436.50 Jun 27, 2027 – Jul 3, 2027 · 6 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 4, 2027 · 7 nightsFrontier Airlines / Southwest AirlinesUp to 1 stop each way$382.50 Jun 27, 2027 – Jul 4, 2027 · 7 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 5, 2027 · 8 nightsFrontier Airlines / Southwest AirlinesUp to 1 stop each way$382.50 Jun 27, 2027 – Jul 5, 2027 · 8 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 6, 2027 · 9 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$436.50 Jun 27, 2027 – Jul 6, 2027 · 9 nightsSouthwest AirlinesUp to 1 stop each way$467.50 Jun 27, 2027 – Jul 7, 2027 · 10 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jul 7, 2027 · 10 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jul 8, 2027 · 11 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jul 8, 2027 · 11 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jul 9, 2027 · 12 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jul 9, 2027 · 12 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jul 10, 2027 · 13 nightsFrontier Airlines / Delta Air LinesUp to 1 stop each way$385.00 Jun 27, 2027 – Jul 10, 2027 · 13 nightsSouthwest AirlinesUp to 1 stop each way$425.00 Jun 27, 2027 – Jul 11, 2027 · 14 nightsFrontier Airlines / Southwest AirlinesUp to 1 stop each way$340.00 Jun 27, 2027 – Jul 11, 2027 · 14 nightsSouthwest AirlinesUp to 1 stop each way$425.00

Flights for your trip

  1. Sun, Jun 27 · One way

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT

    One-way total · 1 adult · Taxes included

  2. Sun, Jun 27 · One way

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT

    One-way total · 1 adult · Taxes included

  3. Sun, Jun 27 – Mon, Jun 28

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Southwest Airlines
    11:25 amONT
    6h 45m
    BNA · 1h 50m
    9:10 pmATL

    Round-trip total · 1 adult · Taxes included

  4. Sun, Jun 27 – Mon, Jun 28

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    11:25 amONT
    6h 45m
    BNA · 1h 50m
    9:10 pmATL

    Round-trip total · 1 adult · Taxes included

  5. Sun, Jun 27 – Tue, Jun 29

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  6. Sun, Jun 27 – Tue, Jun 29

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    8:40 amONT
    6h 10m
    PHX · 1h 20m
    5:50 pmATL

    Round-trip total · 1 adult · Taxes included

  7. Sun, Jun 27 – Wed, Jun 30

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  8. Sun, Jun 27 – Wed, Jun 30

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  9. Sun, Jun 27 – Thu, Jul 1

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  10. Sun, Jun 27 – Thu, Jul 1

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  11. Sun, Jun 27 – Sat, Jul 3

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:06 amONT
    4h 7m
    Nonstop
    2:13 pmATL

    Round-trip total · 1 adult · Taxes included

  12. Sun, Jun 27 – Sat, Jul 3

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  13. Sun, Jun 27 – Sun, Jul 4

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  14. Sun, Jun 27 – Sun, Jul 4

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  15. Sun, Jun 27 – Mon, Jul 5

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Southwest Airlines
    11:25 amONT
    6h 45m
    BNA · 1h 50m
    9:10 pmATL

    Round-trip total · 1 adult · Taxes included

  16. Sun, Jun 27 – Mon, Jul 5

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    11:25 amONT
    6h 45m
    BNA · 1h 50m
    9:10 pmATL

    Round-trip total · 1 adult · Taxes included

  17. Sun, Jun 27 – Wed, Jul 7

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  18. Sun, Jun 27 – Wed, Jul 7

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  19. Sun, Jun 27 – Thu, Jul 8

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  20. Sun, Jun 27 – Thu, Jul 8

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  21. Sun, Jun 27 – Fri, Jul 9

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Delta Air Lines
    7:05 amONT
    4h
    Nonstop
    2:05 pmATL

    Round-trip total · 1 adult · Taxes included

  22. Sun, Jun 27 – Fri, Jul 9

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  23. Sun, Jun 27 – Sun, Jul 11

    Frontier Airlines
    1:55 pmATL
    7h 20m
    DFW · 1h 24m
    6:15 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

  24. Sun, Jun 27 – Sun, Jul 11

    Southwest Airlines
    8:20 pmATL
    6h 35m
    LAS · 1h
    11:55 pmONT
    Southwest Airlines
    12:40 pmONT
    6h
    HOU · 1h
    9:40 pmATL

    Round-trip total · 1 adult · Taxes included

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1 of 24

Make this trip yours

ATL ⇄ ONT

Economy

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Explore this route

All dates for this routeJun 26, 2027 · Return optionsJun 28, 2027 · Return options
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.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-06-27 · one wayFrontier AirlinesF92495 + F91405Axel-exclusive $135.002026-10-29T00:45:42Z
2027-06-27 · one waySouthwest AirlinesWN237 + WN2405Axel-exclusive $225.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-28Frontier Airlines / Southwest AirlinesF92495 + F91405 / WN1729 + WN2359Axel-exclusive $340.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-28Southwest AirlinesWN237 + WN2405 / WN1729 + WN2359Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-29Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-29Southwest AirlinesWN237 + WN2405 / WN494 + WN285Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-30Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-06-30Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-01Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $436.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-01Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-02Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $436.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-02Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-03Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $436.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-03Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-04Frontier Airlines / Southwest AirlinesF92495 + F91405 / WN1558 + WN251Axel-exclusive $382.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-04Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-05Frontier Airlines / Southwest AirlinesF92495 + F91405 / WN1729 + WN2359Axel-exclusive $382.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-05Southwest AirlinesWN237 + WN2405 / WN1729 + WN2359Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-06Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $436.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-06Southwest AirlinesWN237 + WN2405 / WN494 + WN285Axel-exclusive $467.502026-10-29T00:45:42Z
2027-06-27 → 2027-07-07Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-07Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-08Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-08Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-09Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-09Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-10Frontier Airlines / Delta Air LinesF92495 + F91405 / DL409Axel-exclusive $385.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-10Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-11Frontier Airlines / Southwest AirlinesF92495 + F91405 / WN1558 + WN251Axel-exclusive $340.002026-10-29T00:45:42Z
2027-06-27 → 2027-07-11Southwest AirlinesWN237 + WN2405 / WN1558 + WN251Axel-exclusive $425.002026-10-29T00:45:42Z

Route overview: Atlanta to Ontario (ONT) flight deals

2027-06-27 · one way · Axel-exclusive $135.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.

2027-06-27 · one way · Axel-exclusive $225.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.

2027-06-27 → 2027-06-28 · Axel-exclusive $340.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Southwest Airlines WN1729 / WN2359: ONT 2027-06-28 11:25:00 → ATL 2027-06-28 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2027-06-28 11:25:00 → BNA 2027-06-28 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2027-06-28 18:55:00 → ATL 2027-06-28 21:10:00.

2027-06-27 → 2027-06-28 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1729 / WN2359: ONT 2027-06-28 11:25:00 → ATL 2027-06-28 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2027-06-28 11:25:00 → BNA 2027-06-28 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2027-06-28 18:55:00 → ATL 2027-06-28 21:10:00.

2027-06-27 → 2027-06-29 · Axel-exclusive $385.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-06-29 07:05:00 → ATL 2027-06-29 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-06-29 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN494 / WN285: ONT 2027-06-29 08:40:00 → ATL 2027-06-29 17:50:00; 1 stop(s) via PHX; 370 minutes. Local airport times.
    • WN494: ONT 2027-06-29 08:40:00 → PHX 2027-06-29 10:00:00; layover at PHX: 80 minutes.
    • WN285: PHX 2027-06-29 11:20:00 → ATL 2027-06-29 17:50:00.

2027-06-27 → 2027-06-30 · Axel-exclusive $385.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-06-30 07:05:00 → ATL 2027-06-30 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-06-30 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-06-30 12:40:00 → ATL 2027-06-30 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-06-30 12:40:00 → HOU 2027-06-30 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-06-30 18:40:00 → ATL 2027-06-30 21:40:00.

2027-06-27 → 2027-07-01 · Axel-exclusive $436.50

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-07-01 07:05:00 → ATL 2027-07-01 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-07-01 · Axel-exclusive $467.50

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-01 12:40:00 → ATL 2027-07-01 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-01 12:40:00 → HOU 2027-07-01 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-01 18:40:00 → ATL 2027-07-01 21:40:00.

2027-06-27 → 2027-07-03 · Axel-exclusive $436.50

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-07-03 07:06:00 → ATL 2027-07-03 14:13:00; nonstop; 247 minutes. Local airport times.

2027-06-27 → 2027-07-03 · Axel-exclusive $467.50

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-03 12:40:00 → ATL 2027-07-03 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-03 12:40:00 → HOU 2027-07-03 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-03 18:40:00 → ATL 2027-07-03 21:40:00.

2027-06-27 → 2027-07-04 · Axel-exclusive $382.50

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-04 12:40:00 → ATL 2027-07-04 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-04 12:40:00 → HOU 2027-07-04 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-04 18:40:00 → ATL 2027-07-04 21:40:00.

2027-06-27 → 2027-07-04 · Axel-exclusive $467.50

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-04 12:40:00 → ATL 2027-07-04 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-04 12:40:00 → HOU 2027-07-04 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-04 18:40:00 → ATL 2027-07-04 21:40:00.

2027-06-27 → 2027-07-05 · Axel-exclusive $382.50

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Southwest Airlines WN1729 / WN2359: ONT 2027-07-05 11:25:00 → ATL 2027-07-05 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2027-07-05 11:25:00 → BNA 2027-07-05 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2027-07-05 18:55:00 → ATL 2027-07-05 21:10:00.

2027-06-27 → 2027-07-05 · Axel-exclusive $467.50

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1729 / WN2359: ONT 2027-07-05 11:25:00 → ATL 2027-07-05 21:10:00; 1 stop(s) via BNA; 405 minutes. Local airport times.
    • WN1729: ONT 2027-07-05 11:25:00 → BNA 2027-07-05 17:05:00; layover at BNA: 110 minutes.
    • WN2359: BNA 2027-07-05 18:55:00 → ATL 2027-07-05 21:10:00.

2027-06-27 → 2027-07-07 · Axel-exclusive $385.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-07-07 07:05:00 → ATL 2027-07-07 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-07-07 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-07 12:40:00 → ATL 2027-07-07 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-07 12:40:00 → HOU 2027-07-07 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-07 18:40:00 → ATL 2027-07-07 21:40:00.

2027-06-27 → 2027-07-08 · Axel-exclusive $385.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-07-08 07:05:00 → ATL 2027-07-08 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-07-08 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-08 12:40:00 → ATL 2027-07-08 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-08 12:40:00 → HOU 2027-07-08 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-08 18:40:00 → ATL 2027-07-08 21:40:00.

2027-06-27 → 2027-07-09 · Axel-exclusive $385.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Delta Air Lines DL409: ONT 2027-07-09 07:05:00 → ATL 2027-07-09 14:05:00; nonstop; 240 minutes. Local airport times.

2027-06-27 → 2027-07-09 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-09 12:40:00 → ATL 2027-07-09 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-09 12:40:00 → HOU 2027-07-09 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-09 18:40:00 → ATL 2027-07-09 21:40:00.

2027-06-27 → 2027-07-11 · Axel-exclusive $340.00

  • Frontier Airlines F92495 / F91405: ATL 2027-06-27 13:55:00 → ONT 2027-06-27 18:15:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • F92495: ATL 2027-06-27 13:55:00 → DFW 2027-06-27 15:34:00; layover at DFW: 84 minutes.
    • F91405: DFW 2027-06-27 16:58:00 → ONT 2027-06-27 18:15:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-11 12:40:00 → ATL 2027-07-11 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-11 12:40:00 → HOU 2027-07-11 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-11 18:40:00 → ATL 2027-07-11 21:40:00.

2027-06-27 → 2027-07-11 · Axel-exclusive $425.00

  • Southwest Airlines WN237 / WN2405: ATL 2027-06-27 20:20:00 → ONT 2027-06-27 23:55:00; 1 stop(s) via LAS; 395 minutes. Local airport times.
    • WN237: ATL 2027-06-27 20:20:00 → LAS 2027-06-27 21:55:00; layover at LAS: 60 minutes.
    • WN2405: LAS 2027-06-27 22:55:00 → ONT 2027-06-27 23:55:00.
  • Southwest Airlines WN1558 / WN251: ONT 2027-07-11 12:40:00 → ATL 2027-07-11 21:40:00; 1 stop(s) via HOU; 360 minutes. Local airport times.
    • WN1558: ONT 2027-07-11 12:40:00 → HOU 2027-07-11 17:40:00; layover at HOU: 60 minutes.
    • WN251: HOU 2027-07-11 18:40:00 → ATL 2027-07-11 21:40:00.

Explore this route

For AI assistants

  • This page: Atlanta (ATL) to Ontario (ONT) · Jun 27, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Atlanta to Ontario (ONT) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.