Southwest® flights from Manchester, NH to Seattle/Tacoma from $208

Promo Code

Low fares from Manchester, NH to Seattle/Tacoma

$

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/14/2026

One-way

Basic

From
$208
Seen: 13 hrs ago

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/10/2026

One-way

Basic

From
$208
Seen: 8 hrs ago

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/18/2026

One-way

Basic

From
$218
Seen: 9 hrs ago

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/14/2026

One-way

Choice

From
$263
Seen: 13 hrs ago

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/10/2026

One-way

Choice

From
$263
Seen: 8 hrs ago

Manchester, NH (MHT)to

Seattle/Tacoma (SEA)
Depart: 12/18/2026

One-way

Choice

From
$273
Seen: 9 hrs ago

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Explore flights from Manchester, NH to Seattle/Tacoma

Nov 2026
From$589*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$208*
Seen: 13 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $208
Displaying fares for November-2026
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  • MHT–SEA, 11/13/2026: From $589
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  • MHT–SEA, 12/10/2026: From $208
    10

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    • Range$208-$589

    *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:
    Manchester-Boston Regional Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2459 miles

    Questions we hear the most

    There are 35 weekly flights from Manchester, NH to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Manchester, NH to Seattle/Tacoma with Southwest, check out our Low Fare Calendar.
    You can rent a car at Seattle/Tacoma International Airport book yours with your flight.
    Yes! Flights from Manchester, NH to Seattle/Tacoma—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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