Alaska Airlines flights from SEA to RDU
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from SEA to RDU. Alaska Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 4h 54m - 5h 23m (average flight time)• Distance: 2362 miles (3800 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
SEA
RDU
FLIGHT TIME
4h 54m - 5h 23m
FLIGHT DISTANCE
2362 miles (3800 km)
5h 2m - 5h 2m
09:50
09:50
2362 miles (3800 km)
January
1 (Show)
18
Alaska Airlines Flight Schedule from SEA to RDU
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS572 |  Alaska Airlines | 09:50 | 17:52:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Alaska Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, offering more flight options and potentially better connections.
SEA - RDU flight price statistics
$494
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$236
Jan$698
Feb$313
Mar$323
Apr$358
May$688
Jun$638
Jul$518
Aug$318
Sep$318
Oct$768
Nov$754
DecAlaska Airlines Terminal Information
Terminal information for Alaska Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from SEA to RDU?
Alaska Airlines operates 1 flight from SEA to RDU.
What city does RDU airport serve?
RDU airport serves Morrisville.
How long is the Alaska Airlines flight from SEA to RDU?
The flight duration is approximately 4h 54m - 5h 23m.
What is the distance from SEA to RDU?
The distance is 2362 miles (3800 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What is the cheapest month to fly Alaska Airlines from SEA to RDU?
January is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from SEA to RDU?
The average price for a round-trip Alaska Airlines flight on this route is approximately $494. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 18 flights per week from SEA to RDU.