Direct (non-stop) flights from Salt Lake City (SLC) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Salt Lake City (SLC) to SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 2h 11m - 2h 48m (average flight time)• Distance: 691 miles (1112 km) (air miles between airports)• Daily Flights: 8-11 flights (scheduled departures per day)
Salt Lake City (SLC)
SeaTac (SEA)
FLIGHT TIME
2h 11m - 2h 48m
FLIGHT DISTANCE
691 miles (1112 km)
2h 17m - 2h 40m
07:14
22:45
691 miles (1112 km)
January
2 (Show)
70
Flight Schedule
December 2025
Airlines with direct flights from Salt Lake City (SLC) to SeaTac (SEA)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 11m - 2h 48m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by Alaska Airlines and Delta Air Lines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 7:00, 11:00, 15:00, offering more flight options and potentially better connections.
Salt Lake City (SLC) - SeaTac (SEA) flight price statistics
$288
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.
$176
Jan$518
Feb$221
Mar$227
Apr$227
May$478
Jun$238
Jul$258
Aug$238
Sep$238
Oct$398
Nov$238
DecRelated Information
Airports: SLC • SEA Airport
Airlines operating this route: Alaska Airlines (AS), Delta Air Lines
Frequently Asked Questions
How many flights operate from SLC to SEA?
There are 10 direct flights operating from SLC to SEA. Approximately 8-11 flights daily.
Which airlines operate flights from SLC to SEA?
2 airlines operate on this route: Alaska Airlines, Delta Air Lines.
How long is the flight from SLC to SEA?
The flight duration from SLC to SEA is approximately 2h 11m - 2h 48m.
What is the distance from SLC to SEA?
The distance from SLC to SEA is 691 miles (1112 km).
What is the flight time range for this route?
Flight times on this route range from 2h 17m - 2h 40m.
What are the earliest and latest flight departure times?
The earliest flight departs at 07:14 and the latest flight departs at 22:45.
What is the cheapest month to fly from SLC to SEA?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 70 flights operate per week from SLC to SEA.
What types of aircraft operate on this route?
This route is served by Embraer 175, Boeing 737-800 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A321neo, Boeing 737-900 (winglets) Passenger/BBJ3 and 1 more aircraft type.
What is the average flight price from SLC to SEA?
The average flight price for a round-trip ticket from SLC to SEA is approximately $288 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from SLC to SEA for the lowest prices?
January is typically the cheapest month to fly from SLC to SEA. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from SLC to SEA?
2 airlines offer direct flights from SLC to SEA, providing travelers with multiple options for scheduling and pricing.
How far is SEA from SLC?
The distance from SLC to SEA is 691 miles (1112 km). This is a long-haul flight route.
How long does it take to fly from SLC to SEA?
The flight time from SLC to SEA is approximately 2h 11m - 2h 48m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.