Southwest® flights from Greenville-Spartanburg to Seattle/Tacoma from $205

Promo Code

Low fares from Greenville-Spartanburg to Seattle/Tacoma

$

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 11/26/2026

One-way

Basic

From
$201
Seen: 3 hrs ago

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 09/11/2026

One-way

Basic

From
$205
Seen: 20 hrs ago

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 11/26/2026

One-way

Choice

From
$256
Seen: 3 hrs ago

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 09/11/2026

One-way

Choice

From
$260
Seen: 20 hrs ago

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 08/29/2026

One-way

Basic

From
$297
Seen: 22 hrs ago

Greenville-Spartanburg (GSP)to

Seattle/Tacoma (SEA)
Depart: 08/25/2026

One-way

Basic

From
$300
Seen: 8 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Greenville-Spartanburg to Seattle/Tacoma

Aug 2026
From$297*
Seen: 22 hrs ago
One Way/Basic
Sep 2026
From$205*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $205
Displaying fares for August-2026
  • GSP–SEA, 08/20/2026: From $378
    20

    Thu

    AUG

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • GSP–SEA, 08/25/2026: From $300
    25

    Tue

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • GSP–SEA, 08/29/2026: From $297
    29

    Sat

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • GSP–SEA, 09/02/2026: From $300
    02

    Wed

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • GSP–SEA, 09/11/2026: From $205
    11

    Fri

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • GSP–SEA: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

    • Range$205-$378

    *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:
    Greenville-Spartanburg International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2233 miles

    Route Information

    30† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 30 weekly flights from Greenville-Spartanburg to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Greenville-Spartanburg 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 Greenville-Spartanburg 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Greenville-Spartanburg