CA $203 Cheap Flights from Raleigh (RDU) to Seattle (SEA)

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from Raleigh (RDU) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $203 for one-way flights and CA $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
American Airlines
Hawaiian Airlines
Delta
American Airlines
Delta
Hawaiian Airlines
Delta
JetBlue Airways

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

October is typically the cheapest month to fly

From CA $189 - CA $407 per traveller.

Graph displaying average flight prices per month

Flight from Raleigh to Seattle (RDU - SEA) route information
Origin airport
Raleigh - Durham Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $377
Distance
3757 km
Average flight time
2 hours 53 mins

Raleigh to Seattle Flights

The easy way to book your flights from Raleigh to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Raleigh whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Alaska Airlines, Delta Air Lines, Finnair, Hawaiian Airlines, Korean Air, Air Tahiti Nui nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Raleigh to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Raleigh - Durham Intl., RDU to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Raleigh to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Raleigh currently is just CA $377 rising to CA $440.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Raleigh 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from RDU to Seattle - Tacoma Intl. Airport (SEA)?
Round-trip flights between Raleigh - Durham Intl. Airport (RDU) and Sea-Tac Airport start from CA $377. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. 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?
The majority of flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Raleigh - Durham Intl. Airport (RDU) to Sea-Tac Airport that have flexible change policies?
Flights from RDU to Sea-Tac Airport offering flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the difference in ticket price, with no added fees to worry about.
How many hours is the flight from Raleigh - Durham Intl. Airport (RDU) to Sea-Tac Airport?
The flight time from Raleigh–Durham Airport to Seattle - Tacoma Intl. Airport (SEA) is approximately 8 hours and 56 minutes. Put your headphones on, listen to a gripping podcast and the hours in the air will whiz by.
How far is the flight from RDU to Sea-Tac Airport?
The flying distance between Raleigh–Durham Airport and SEA is 3,800 kilometres. Close your eyes or finish off your latest read and the journey will zip on by.
Which airlines fly direct from RDU to Sea-Tac Airport?
There are several airlines that fly directly from RDU to SEA. Delta (DL) is a top choice, offering 30 services on this route each month. After some more options? Check out the seats available with Alaska Airlines (AS). This carrier offers 21 fights monthly between these destinations.
Are Raleigh - Durham Intl. Airport (RDU) to SEA flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between Raleigh–Durham Airport and SEA are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to grab your seat when the price dips.

Explore a world of travel with Expedia

*Available to Expedia members.