₩303,400 Cheap Flights from Raleigh (RDU) to Seattle (SEA)

View ₩303,400 flight on Fri, Apr 17, 2026Opens in a new window

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

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Cheap Flights from Raleigh to Seattle (RDU-SEA)

Prices were available within the past 7 days and start at ₩303,400 for one-way flights and ₩419,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 14 - Sat, Oct 18
RDU
Raleigh
SEA
Seattle
₩419,300 Roundtrip, found 3 days ago
₩419,300
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 14 from Raleigh to Seattle, returning Sat, Oct 18, priced at ₩419,300 found 3 days ago
Delta
Sun, Oct 12 - Sat, Oct 18
RDU
Raleigh
SEA
Seattle
₩481,800 Roundtrip, found 3 days ago
₩481,800
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Oct 12 from Raleigh to Seattle, returning Sat, Oct 18, priced at ₩481,800 found 3 days ago
United
Tue, Oct 14 - Mon, Oct 20
RDU
Raleigh
SEA
Seattle
₩509,000 Roundtrip, found 3 days ago
₩509,000
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 14 from Raleigh to Seattle, returning Mon, Oct 20, priced at ₩509,000 found 3 days ago
Delta
Wed, Oct 8 - Sat, Oct 18
RDU
Raleigh
SEA
Seattle
₩516,500 Roundtrip, found 3 days ago
₩516,500
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 8 from Raleigh to Seattle, returning Sat, Oct 18, priced at ₩516,500 found 3 days ago
Delta
Sun, Oct 12 - Mon, Oct 13
RDU
Raleigh
SEA
Seattle
₩537,200 Roundtrip, found 3 days ago
₩537,200
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Oct 12 from Raleigh to Seattle, returning Mon, Oct 13, priced at ₩537,200 found 3 days ago
Delta
Wed, Oct 8 - Mon, Oct 13
RDU
Raleigh
SEA
Seattle
₩544,200 Roundtrip, found 3 days ago
₩544,200
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 8 from Raleigh to Seattle, returning Mon, Oct 13, priced at ₩544,200 found 3 days ago
Delta
Fri, Oct 10 - Sat, Oct 18
RDU
Raleigh
SEA
Seattle
₩557,800 Roundtrip, found 3 days ago
₩557,800
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 10 from Raleigh to Seattle, returning Sat, Oct 18, priced at ₩557,800 found 3 days ago
United
Tue, Oct 14 - Thu, Oct 16
RDU
Raleigh
SEA
Seattle
₩564,400 Roundtrip, found 3 days ago
₩564,400
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 14 from Raleigh to Seattle, returning Thu, Oct 16, priced at ₩564,400 found 3 days ago
American Airlines
Mon, Oct 13 - Wed, Oct 15
RDU
Raleigh
SEA
Seattle
₩668,500 Roundtrip, found 3 days ago
₩668,500
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Oct 13 from Raleigh to Seattle, returning Wed, Oct 15, priced at ₩668,500 found 3 days ago
Hawaiian Airlines
Sat, Oct 11 - Sun, Oct 19
RDU
Raleigh
SEA
Seattle
₩675,500 Roundtrip, found 3 days ago
₩675,500
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Raleigh to Seattle, returning Sun, Oct 19, priced at ₩675,500 found 3 days ago

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

November is typically the cheapest month to fly

From ₩204,121 - ₩557,321 per traveler.

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 ₩419,300. 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 kilometers. 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

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
₩419,300
Distance
3757 km
Average flight time
3 hours 51 mins

Book with confidence

Book with confidence

Raleigh to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Raleigh to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with RDU to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Raleigh for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Raleigh to Seattle Flights

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