Need help booking?
Unpublished phone-only deals available
RDU to SEA: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Seattle (Seattle Tacoma International Airport)
2,349 mi
3,780 km · 2,041 nm
5h 4m
estimated nonstop flight time
-3h
time difference · heading northwest
See live RDU→SEA fares Phone-only fares on this route — call free
Flight time details
2,349 miles nonstop takes roughly 5h 4m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- RDU — Raleigh Durham International Airport · Raleigh-durham, United States
- SEA — Seattle Tacoma International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is RDU from SEA?
The flight distance from Raleigh-durham (RDU) to Seattle (SEA) is 2,349 miles (3,780 km, 2,041 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to SEA?
A nonstop flight takes about 5h 4m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Raleigh-durham and Seattle?
Seattle is 3 hours behind Raleigh-durham.
What is the cheapest way to fly from RDU to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–SEA that never appear on search engines, with no booking fees.