Southwest® flights from Ontario/LA to Manchester, NH from $324

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Low fares from Ontario/LA to Manchester, NH

$

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 12/01/2026

One-way

Basic

From
$324
Seen: 16 hrs ago

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 12/02/2026

One-way

Basic

From
$324
Seen: 15 hrs ago

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 11/18/2026

One-way

Basic

From
$347
Seen: 15 hrs ago

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 11/25/2026

One-way

Basic

From
$347
Seen: 8 hrs ago

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 11/17/2026

One-way

Basic

From
$347
Seen: 5 hrs ago

Ontario/LA (ONT)to

Manchester, NH (MHT)
Depart: 11/24/2026

One-way

Basic

From
$352
Seen: 14 hrs ago

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Explore flights from Ontario/LA to Manchester, NH

Nov 2026
From$347*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$324*
Seen: 15 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $324
Displaying fares for November-2026
  • ONT–MHT: cmp-view-offers-disclaimer. Find Offers
    14

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    NOV

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    15

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  • ONT–MHT, 11/16/2026: From $417
    16

    Mon

  • ONT–MHT, 11/17/2026: From $347
    17

    Tue

  • ONT–MHT, 11/18/2026: From $347
    18

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    21

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  • ONT–MHT, 11/22/2026: From $422
    22

    Sun

  • ONT–MHT, 11/23/2026: From $422
    23

    Mon

  • ONT–MHT, 11/24/2026: From $352
    24

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  • ONT–MHT, 11/25/2026: From $347
    25

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    26

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    28

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    29

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    Mon

  • ONT–MHT, 12/01/2026: From $324
    01

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    DEC

  • ONT–MHT, 12/02/2026: From $324
    02

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    12

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    13

    Sun

    • Range$324-$422

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    LA/Ontario International Airport
    Arriving at:
    Manchester-Boston Regional Airport
    Distance:
    2543 miles

    Questions we hear the most

    There are 40 weekly flights from Ontario/LA to Manchester, NH on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Manchester, NH with Southwest, check out our Low Fare Calendar.
    You can rent a car at Manchester-Boston Regional Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Manchester, NH—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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