$149 Cheap Delta flights Seattle (SEA) to Raleigh (RDU)

View $149 flight on Wed, Aug 27, 2025Opens in a new window

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$149 Cheap Delta flights Seattle (SEA) to Raleigh (RDU)

Prices were available within the past 7 days and start at $149 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 10 - Sat, Sep 13
SEA
Seattle
RDU
Raleigh
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Sep 10 from Seattle to Raleigh, returning Sat, Sep 13, priced at $257 found 3 hours ago
Flights from Seattle (SEA) to Raleigh (RDU)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Raleigh - Durham Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2348 mi
Average flight time
9 hours 11 mins

Frequently asked questions

How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
You'll discover cheap round-trip Delta Air Lines flights from $257 from SEA to RDU by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $149 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to RDU with Delta Air Lines?
January is one of the least expensive months to fly to Raleigh with Delta Air Lines. You could also find great deals on one-way and return tickets in December.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) with Delta Air Lines?
For cheap Delta Air Lines fares from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
Delta Air Lines operates direct flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU), with 7 departures each week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to see all direct Delta Air Lines flights to RDU.
How long does it take to fly from SEA to RDU with Delta Air Lines?
Leave Seattle - Tacoma Intl. Airport (SEA) for Raleigh - Durham Intl. Airport (RDU) on a direct Delta Air Lines flight, and you'll be in the sky for approximately 4h 55m.
What is the earliest Delta Air Lines flight from SEA to RDU?
The first Delta Air Lines flight from SEA to RDU departs at 3:34PM UTC-8, arriving at 11:29PM UTC-5. If you'd like to set off later in the day, the last Delta Air Lines flight leaves SEA at 10:15PM UTC-8 and touches down at RDU at 6:10AM UTC-5. Flying earlier is often a smart option as morning flights are less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Raleigh?
Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh touch down at Raleigh - Durham Intl. Airport (RDU). This is the main gateway here.
Why fly with Delta Air Lines from SEA to RDU?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many passengers heading from SEA to RDU. Also, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
Delta Air Lines typically uses Boeing 737-800 planes for flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU). Remember that aircraft type can vary depending on operational requirements, so the plane you board might be different on your day of travel.
Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
Changes are generally free within 24 hours of booking, but your airline may charge a fee after that time. For further details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without extra charges, apply the "Changes included" and "No cancel fee" filters when planning your next trip.
*Available to One Key members.