Alaska Airlines flights from RDU to SEA
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from RDU to SEA. Alaska Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 5h 53m - 6h 11m (average flight time)• Distance: 2362 miles (3800 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
RDU
SEA
FLIGHT TIME
5h 53m - 6h 11m
FLIGHT DISTANCE
2362 miles (3800 km)
6h 4m - 6h 9m
07:00
18:52
2362 miles (3800 km)
January
1 (Show)
19
Alaska Airlines Flight Schedule from RDU to SEA
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS670 |  Alaska Airlines | 07:00 | 10:09:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
AS572 | Alaska Airlines | 18:52 | 21:56:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Alaska Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 5h 53m - 6h 11m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 18:00, offering more flight options and potentially better connections.
RDU - SEA flight price statistics
$480
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$322
Mar$324
Apr$1038
May$738
Jun$738
Jul$388
Aug$318
Sep$318
Oct$318
Nov$318
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 RDU to SEA?
Alaska Airlines operates 2 flights from RDU to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Alaska Airlines flight from RDU to SEA?
The flight duration is approximately 5h 53m - 6h 11m.
What is the distance from RDU to SEA?
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 are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 07:00 and the latest departs at 18:52.
What is the cheapest month to fly Alaska Airlines from RDU to SEA?
January is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from RDU to SEA?
The average price for a round-trip Alaska Airlines flight on this route is approximately $480. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 19 flights per week from RDU to SEA.