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

Flights from Raleigh-Durham International Airport (RDU) to Seattle-Tacoma International Airport (SEA)
Flights to Seattle
Washington
United States of America
Flights
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Popular airlines from Raleigh-Durham International Airport (RDU) to Seattle-Tacoma International Airport (SEA)

Alaska Airlines
JetBlue Airways
American Airlines
Delta
United
Southwest Airlines
Frontier Airlines

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Cheap Flights from Raleigh to Seattle (RDU-SEA)

Prices were available within the past 7 days and start at NT$6,941 for one-way flights and NT$13,934 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$13,934

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$13,934 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$13,960

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$13,960 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$14,104

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$14,104 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,082

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,082 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,108

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,108 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,252

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,252 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,529

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,529 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,555

Roundtrip

Found 4 days ago

Select United flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,555 Found 4 days ago

Sat, Aug 22 - Sat, Aug 29

RDU

Raleigh

SEA

Seattle

NT$15,591

Roundtrip

Found 4 days ago

Select Delta flight, departing Sat, Aug 22 from Raleigh to Seattle, returning Sat, Aug 29, priced at NT$15,591 Found 4 days ago

Sun, Jul 12 - Sun, Jul 19

RDU

Raleigh

SEA

Seattle

NT$23,198

Roundtrip

Found 5 days ago

Select Alaska Airlines flight, departing Sun, Jul 12 from Raleigh to Seattle, returning Sun, Jul 19, priced at NT$23,198 Found 5 days ago

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

February is typically the cheapest month to fly

From NT$4,925 - NT$7,667 per traveler.

Travel information

Origin airport	Raleigh-Durham International Airport
Destination airport	Seattle-Tacoma International Airport
Distance	3,779 km away
Airlines serving	Alaska Airlines, JetBlue Airways, American Airlines, Delta, United, Southwest Airlines, Frontier Airlines, Sun Country Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$13,934
Average flight time	5 hours 53 mins

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NT$6,941 Cheap Flights from Raleigh (RDU) to Seattle (SEA)

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

Be in the know

Book smarter

Earn twice

Cheap Flights from Raleigh to Seattle (RDU-SEA)

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

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly