An Alaska Airlines plane taking off with a snow-capped mountain in the background.

Cheap Flights Raleigh to Seattle (RDU-SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Book with confidence

RDU to SEA Flights

Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Raleigh to Seattle, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute RDU to SEA flights, you’ll still save a bundle when compared to the competition.

See for yourself how simple it is to book the holiday of your dreams to Seattle by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.

Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Seattle from Raleigh, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.

Frequently Asked Questions

How much is a flight from Raleigh–Durham Airport to SEA?

The lowest price advertised for a round-trip journey between Raleigh–Durham Airport and SEA is . But you better act soon. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from Raleigh–Durham Airport to Sea-Tac Airport?

Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.

How do I find cheap flights from Raleigh - Durham Intl. Airport (RDU) to SEA that have flexible change policies?

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Raleigh–Durham Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.

How far is the flight from Raleigh - Durham Intl. Airport (RDU) to Sea-Tac Airport?

The flight distance from Morrisville to SeaTac is 3 800 kilometres. Pack yourself a drink, a few snacks and a few good podcasts. Keep yourself entertained and the hours will zip by.

Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to SEA?

Alaska Airlines (AS) is a popular option. It offers 30 flights between RDU and Sea-Tac Airport each month. Delta Air Lines (DL) is also worth a look. It operates 30 flights each month. Between these two airlines, you'll be able to find a good deal from Morrisville to SeaTac.

Are RDU to SEA flight tickets cheaper when they're purchased at the last minute?

Booking your trip from Raleigh–Durham Airport to Seattle - Tacoma Intl. Airport (SEA) at the last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Travel information

Origin airport
Raleigh-Durham International Airport
Destination airport
Seattle-Tacoma International Airport
Distance
3,779 km away
Airlines serving
Alaska Airlines, American Airlines, United, Delta, Southwest Airlines, JetBlue Airways, Frontier Airlines, Sun Country Airlines
Popular airline
Alaska Airlines
Average flight time
9 hours 15 mins
*Available to Expedia members.