Direct (non-stop) flights from SeaTac (SEA) to Salt Lake City (SLC)
Find comprehensive flight information, schedules, and booking details for direct flights from SeaTac (SEA) to Salt Lake City (SLC). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 1h 56m - 2h 14m (average flight time)• Distance: 691 miles (1112 km) (air miles between airports)• Daily Flights: 7-11 flights (scheduled departures per day)
SeaTac (SEA)
Salt Lake City (SLC)
FLIGHT TIME
1h 56m - 2h 14m
FLIGHT DISTANCE
691 miles (1112 km)
2h 0m - 2h 12m
05:25
19:12
691 miles (1112 km)
January
2 (Show)
64
Flight Schedule
December 2025
Airlines with direct flights from SeaTac (SEA) to Salt Lake City (SLC)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 56m - 2h 14m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by Delta Air Lines and Alaska Airlines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 11:00, 17:00, 5:00, offering more flight options and potentially better connections.
SeaTac (SEA) - Salt Lake City (SLC) flight price statistics
$284
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$508
Feb$234
Mar$218
Apr$243
May$578
Jun$238
Jul$258
Aug$238
Sep$238
Oct$238
Nov$238
DecRelated Information
Airports: SEA • SLC Airport
Airlines operating this route: Delta Air Lines (DL), Alaska Airlines
Frequently Asked Questions
How many flights operate from SEA to SLC?
There are 10 direct flights operating from SEA to SLC. Approximately 7-11 flights daily.
Which airlines operate flights from SEA to SLC?
2 airlines operate on this route: Delta Air Lines, Alaska Airlines.
How long is the flight from SEA to SLC?
The flight duration from SEA to SLC is approximately 1h 56m - 2h 14m.
What is the distance from SEA to SLC?
The distance from SEA to SLC is 691 miles (1112 km).
What is the flight time range for this route?
Flight times on this route range from 2h 0m - 2h 12m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:25 and the latest flight departs at 19:12.
What is the cheapest month to fly from SEA to SLC?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 64 flights operate per week from SEA to SLC.
What types of aircraft operate on this route?
This route is served by Boeing 737-800 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-900 (winglets) Passenger/BBJ3, Airbus A321neo, Boeing 737-900 Passenger and 1 more aircraft type.
What is the average flight price from SEA to SLC?
The average flight price for a round-trip ticket from SEA to SLC is approximately $284 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from SEA to SLC for the lowest prices?
January is typically the cheapest month to fly from SEA to SLC. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from SEA to SLC?
2 airlines offer direct flights from SEA to SLC, providing travelers with multiple options for scheduling and pricing.
How far is SLC from SEA?
The distance from SEA to SLC is 691 miles (1112 km). This is a long-haul flight route.
How long does it take to fly from SEA to SLC?
The flight time from SEA to SLC is approximately 1h 56m - 2h 14m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.