$109 Cheap Flights from Seattle (SEA) to Raleigh (RDU)

View $109 flight on Tue, Sep 9, 2025Opens in a new window

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

Cheap Flights from Seattle to Raleigh (SEA-RDU)

Prices were available within the past 7 days and start at $109 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 28 - Wed, Oct 29
SEA
Seattle
RDU
Raleigh
$222 Roundtrip, found 8 hours ago
$222
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Oct 28 from Seattle to Raleigh, returning Wed, Oct 29, priced at $222 found 8 hours ago
United
Tue, Nov 4 - Wed, Nov 5
SEA
Seattle
RDU
Raleigh
$227 Roundtrip, found 8 hours ago
$227
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Nov 4 from Seattle to Raleigh, returning Wed, Nov 5, priced at $227 found 8 hours ago
Southwest Airlines
Wed, Oct 8 - Tue, Oct 14
SEA
Seattle
RDU
Raleigh
$227 Roundtrip, found 20 hours ago
$227
Roundtrip
found 20 hours ago
Select Southwest Airlines flight, departing Wed, Oct 8 from Seattle to Raleigh, returning Tue, Oct 14, priced at $227 found 20 hours ago
United
Tue, Oct 28 - Wed, Oct 29
SEA
Seattle
RDU
Raleigh
$232 Roundtrip, found 8 hours ago
$232
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Oct 28 from Seattle to Raleigh, returning Wed, Oct 29, priced at $232 found 8 hours ago
United
Tue, Sep 16 - Thu, Sep 25
SEA
Seattle
RDU
Raleigh
$234 Roundtrip, found 14 hours ago
$234
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Sep 16 from Seattle to Raleigh, returning Thu, Sep 25, priced at $234 found 14 hours ago
United
Tue, Oct 28 - Sat, Nov 1
SEA
Seattle
RDU
Raleigh
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from Seattle to Raleigh, returning Sat, Nov 1, priced at $237 found 1 hour ago
United
Tue, Oct 28 - Sat, Nov 1
SEA
Seattle
RDU
Raleigh
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from Seattle to Raleigh, returning Sat, Nov 1, priced at $238 found 1 hour ago
Delta
Tue, Oct 28 - Sat, Nov 1
SEA
Seattle
RDU
Raleigh
$277 Roundtrip, found 1 hour ago
$277
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Oct 28 from Seattle to Raleigh, returning Sat, Nov 1, priced at $277 found 1 hour ago
Frontier Airlines
Thu, Sep 11 - Mon, Sep 15
SEA
Seattle
RDU
Raleigh
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 11 from Seattle to Raleigh, returning Mon, Sep 15, priced at $281 just found
American Airlines
Wed, Sep 24 - Sat, Sep 27
SEA
Seattle
RDU
Raleigh
$297 Roundtrip, found 2 hours ago
$297
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Seattle to Raleigh, returning Sat, Sep 27, priced at $297 found 2 hours ago

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

October is typically the cheapest month to fly

From $138 - $277 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.

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $394
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $394
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, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$222
Distance
2348 mi
Average flight time
9 hours 10 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 October. 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 $109 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?
Snag a cheap one-way flight from $109 or cheap return flight from $222 from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
October is the least expensive month to fly from SEA to RDU. Traveling outside of peak seasons is often the key to landing a great deal.
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 Seattle - Tacoma Intl. Airport (SEA) to Raleigh - Durham Intl. Airport (RDU)?
While prices may vary depending on when you travel, Alaska Airlines and Delta Air Lines are often among the top picks for flights between Seattle - Tacoma Intl. Airport (SEA) and Raleigh - Durham Intl. Airport (RDU). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest ticket for your SEA to RDU flight.
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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*Available to One Key members.