Raleigh/Durham (RDU) to Seattle (SEA) flights
2 airlines fly nonstop from Raleigh/Durham (RDU) to Seattle (SEA): Alaska Airlines and Delta Air Lines. The two airports are 2,349 miles (3,780 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 46 ways to fly it with one stop, through Cincinnati, Indianapolis and Chicago and more.
Airlines flying nonstop from RDU to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book RDU to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
RDU to SEA with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Cincinnati (CVG)Delta Air Lines the whole way
- Via Indianapolis (IND)Delta Air Lines, then Alaska Airlines and American Airlines
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
+1 - Via Saint Louis (STL)Southwest Airlines the whole way
- Via Columbus (CMH)Breeze Airways, then Alaska Airlines
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines and Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Nashville (BNA)Delta Air Lines and Southwest Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Cleveland (CLE)Frontier Airlines, then Alaska Airlines
- Via Pittsburgh (PIT)American Airlines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+3
- Via Salt Lake City (SLC)Delta Air Lines the whole way
RDU to SEA: common questions
Which airlines fly nonstop from RDU to SEA?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Raleigh/Durham (RDU) to Seattle (SEA).
How far is Raleigh/Durham from Seattle by plane?
Raleigh/Durham (RDU) and Seattle (SEA) are 2,349 miles (3,780 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book RDU to SEA award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does RDU to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for RDU to SEA with taxes and fees.
Where can I connect between Raleigh/Durham and Seattle?
The most direct connections are through Cincinnati (CVG), Indianapolis (IND), Chicago (MDW), Chicago (ORD) and Saint Louis (STL). On 39 of them the same airline flies both flights, for example Delta Air Lines through Cincinnati.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.