$114 Cheap Flights from Seattle (SEA) to Raleigh (RDU)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Raleigh-Durham International Airport (RDU)

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Cheap Flights from Seattle to Raleigh (SEA-RDU)

Prices were available within the past 7 days and start at $114 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
United
Southwest Airlines
United
United
Southwest Airlines
United
Alaska Airlines
Delta
American Airlines

Find the cheapest month to fly from Seattle (SEA) to Raleigh (RDU)

October is typically the cheapest month to fly

From $138 - $317 per traveler.

Graph displaying average flight prices per month

Alternative airports near Raleigh

Prices were available within the past 7 days. Prices and availability are subject to change.

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
Roundtrip price
$210
Distance
2348 mi
Average flight time
9 hours 15 mins

Seattle to Raleigh Flights

The cheapest times to fly from Seattle to Raleigh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Raleigh are during the month of September. You can find some of the cheapest flights from Seattle to Raleigh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Raleigh

Sunday is one of the best days to book for cheap flights from Seattle to Raleigh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Raleigh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Raleigh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Raleigh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) cost?
Find cheap return tickets from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) starting from $277. Book your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on August 6 2025 and touching down at RDU. The price was last updated on July 17 2025 and has not changed since.
What is the cheapest month to fly from SEA to RDU?
The cheapest flights from SEA to RDU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
Fly directly from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) on a Delta Air Lines flight.
What is the cheapest airline that flies from SEA to RDU?
Right now, the cheapest carrier operating one-way flights from SEA to RDU is Alaska Airlines. You can book a seat on this route from $159. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on October 11 2025. Prices were last updated on July 17 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
On average, you'll only find 1 nonstop flight leaving from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) each day. If this doesn't suit your schedule, think about flights with a layover. Just customize your search results on Expedia to include one or more stops to discover the next best option.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
The 3 PM departures from SEA to RDU are the top choice for many travelers. These flights can come with a higher price due to their popularity. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from SEA to RDU?
If you jet off on a Friday, you'll get the biggest range of options for flights from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
The earliest flight taking off from Seattle - Tacoma Intl. Airport (SEA) is at around 8:13AM UTC-8. Hop on this flight and you'll land at Raleigh - Durham Intl. Airport (RDU) at approximately 4:25PM UTC-5. The total flight duration is 5h 12m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
The average flight time from SEA to RDU is 4 hours and 57 minutes, covering a total distance of 2,400 mi.
What airline has the least delays from SEA to RDU?
Consider traveling with Alaska Airlines if you'd like to fly straight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) without any holdups. This carrier has the best track record for punctuality, with an on-time performance of 83%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Raleigh from Seattle - Tacoma Intl. Airport (SEA)?
Raleigh - Durham Intl. Airport (RDU) is the only airport in Raleigh with direct flights from Seattle - Tacoma Intl. Airport (SEA). Browse your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Holding off until just before your departure to book a ticket from SEA to RDU generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a SEA to RDU flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to RDU flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
In most cases, you're able to cancel or reschedule your SEA to RDU flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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