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Find low faresSouthwest® flights from Raleigh/Durham to Seattle/Tacoma from $139
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1 Passenger
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today
Low fares from Raleigh/Durham to Seattle/Tacoma
$
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 05/09/2026
One-way
Basic
From
$134
Seen: 11 hrs ago
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 03/16/2026
One-way
Basic
From
$139
Seen: 18 hrs ago
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 04/15/2026
One-way
Basic
From
$139
Seen: 16 hrs ago
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 04/07/2026
One-way
Basic
From
$139
Seen: 9 hrs ago
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 04/23/2026
One-way
Basic
From
$139
Seen: 9 hrs ago
Raleigh/Durham (RDU)to
Seattle/Tacoma (SEA)
Depart: 04/22/2026
One-way
Basic
From
$139
Seen: 9 hrs ago
Explore flights from Raleigh/Durham to Seattle/Tacoma
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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.