Southwest® flights from Raleigh/Durham to Seattle/Tacoma from $197

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Low fares from Raleigh/Durham to Seattle/Tacoma

$

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 11/02/2026

One-way

Basic

From
$197
Seen: 22 hrs ago

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 10/14/2026

One-way

Basic

From
$230
Seen: 18 hrs ago

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 11/06/2026

One-way

Basic

From
$230
Seen: 19 hrs ago

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 11/23/2026

One-way

Basic

From
$230
Seen: 13 hrs ago

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 11/21/2026

One-way

Basic

From
$230
Seen: 15 hrs ago

Raleigh/Durham (RDU)to

Seattle/Tacoma (SEA)
Depart: 10/07/2026

One-way

Basic

From
$230
Seen: 13 hrs ago

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Explore flights from Raleigh/Durham to Seattle/Tacoma

Sep 2026
From$314*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$230*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$197*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $230
cmp-daily-histogram-bars-legend-max-price-aria-label $534
Displaying fares for September-2026
  • RDU–SEA, 09/12/2026: From $534
    12

    Sat

    SEP

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

    Sun

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

    Mon

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

    Tue

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

    Wed

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    17

    Thu

  • RDU–SEA, 09/18/2026: From $424
    18

    Fri

  • RDU–SEA, 09/19/2026: From $424
    19

    Sat

  • RDU–SEA, 09/20/2026: From $424
    20

    Sun

  • RDU–SEA, 09/21/2026: From $424
    21

    Mon

  • RDU–SEA, 09/22/2026: From $424
    22

    Tue

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

    Wed

  • RDU–SEA, 09/24/2026: From $424
    24

    Thu

  • RDU–SEA, 09/25/2026: From $314
    25

    Fri

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

    Sat

  • RDU–SEA, 09/27/2026: From $314
    27

    Sun

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

    Mon

  • RDU–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • RDU–SEA, 09/30/2026: From $314
    30

    Wed

  • RDU–SEA, 10/01/2026: From $314
    01

    Thu

    OCT

  • RDU–SEA, 10/02/2026: From $230
    02

    Fri

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    03

    Sat

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    04

    Sun

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    05

    Mon

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    06

    Tue

  • RDU–SEA, 10/07/2026: From $230
    07

    Wed

  • RDU–SEA, 10/08/2026: From $349
    08

    Thu

  • RDU–SEA, 10/09/2026: From $260
    09

    Fri

  • RDU–SEA, 10/10/2026: From $230
    10

    Sat

  • RDU–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

    • Range$230-$534

    *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:
    Raleigh/Durham Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2354 miles

    Route Information

    67† 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 67 weekly flights from Raleigh/Durham to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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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