How long does the flight from Salt Lake City to Seattle take?

Flight time from Salt Lake City (SLC) to Seattle (SEA) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Salt Lake City to Seattle?

Airline availability for SLC to SEA changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Salt Lake City to Seattle?

Direct (nonstop) availability on SLC to SEA varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Salt Lake City to Seattle?

Prices on SLC to SEA shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Salt Lake City to Seattle flights

Direct and connecting flights from Salt Lake City (SLC) to Seattle (SEA). Compare airlines, aircraft, and fares.

Distance: 1,107 km (688 mi)
Flight time: ~1h 38m
Airlines: 2
Aircraft types: 7

Airlines flying SLC → SEA

Airline	Aircraft types	Observations
Delta Air Lines	6	6
Alaska Airlines	1	1

Aircraft on this route

Airbus A319 — 1 operator
Boeing 737 — 1 operator
Airbus A321 — 1 operator
Airbus A321 — 1 operator
Boeing 737 — 1 operator

Airport details

Departure: Salt Lake City International Airport (SLC)

City: Salt Lake City
Country: US
IATA / ICAO: SLC / KSLC

Arrival: Seattle–Tacoma International Airport (SEA)

City: Seattle
Country: US
IATA / ICAO: SEA / KSEA

Operating airlines

Alaska Airlines (AS)
Delta Air Lines (DL)
Frontier Airlines (F9)

Distance: 1107 km. Duration: 140 minutes.

Other routes from Salt Lake City

Other routes to Seattle

Frequently asked questions

How many airlines fly SLC to SEA?

2 airlines operate the SLC to SEA route in our 90-day observed dataset.

What aircraft fly the SLC-SEA route?

The most commonly observed aircraft on SLC to SEA include: Airbus A319, Boeing 737, Airbus A321.

How long is the Salt Lake City to Seattle flight?

The estimated flight time from Salt Lake City (SLC) to Seattle (SEA) is approximately 1h 38m, based on a cruise speed of 850 km/h.

What's the distance from Salt Lake City to Seattle?

The great-circle distance from Salt Lake City (SLC) to Seattle (SEA) is approximately 1,107 km (688 miles).

Loading the flight search…