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Cheap flights from Seattle to Salt Lake City

Seattle-Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC). 688 miles, 1h 50m nonstop.

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SEA to SLC at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
688 milesgreat-circle
Typical flight time
1h 50mnonstop, gate to gate
Nonstop airlines
DLUAASSY4 airlinesDelta, United, Alaska
Nonstop flights per day
19all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Tuesday20% less than Friday
Time difference
1h aheadSalt Lake City vs Seattle

Seattle to Salt Lake City

Round trips from $62

Per traveler, taxes and fees included. Lowest fare we found departs Sat, Jan 9.

Cheapest month: January 2027

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Seattle to Salt Lake City fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

  1. September 2026from Tue, Sep 29$79
  2. October 2026from Wed, Oct 7$72
  3. November 2026from Wed, Nov 18$72
  4. December 2026from Tue, Dec 8$70
  5. January 2027from Sat, Jan 9$62
  6. February 2027from Tue, Feb 2$64

Airlines flying Seattle to Salt Lake City

4 airlines fly nonstop with 19 departures a day combined.

Connecting options

Every itinerary on this route is nonstop or uses an unusual connection; run a search for specifics.

Tips for this route

  • Delta, United, Alaska and Sun Country all fly SEA to SLC nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
  • Departing on a Tuesday averages 20% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
Flying the other way? Salt Lake City to SeattleFares, airlines and tips for SLC to SEA.

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Seattle to Salt Lake City: common questions

How long is the flight from Seattle to Salt Lake City?

A nonstop flight from Seattle (SEA) to Salt Lake City (SLC) takes about 1h 50m gate to gate, covering 688 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.

Which airlines fly nonstop from SEA to SLC?

Delta Air Lines, United Airlines, Alaska Airlines and Sun Country Airlines operate nonstop flights from Seattle (SEA) to Salt Lake City (SLC), with 19 nonstop departures a day between them.

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

Over the next six months, January 2027 has the lowest round-trip fares from Seattle (SEA) to Salt Lake City (SLC), starting at $62 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

How far in advance should I book Seattle to Salt Lake City flights?

Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between Seattle and Salt Lake City?

Salt Lake City is 1 hour ahead of Seattle. SEA is on America/Los Angeles time and SLC on America/Denver time. Departure and arrival times in search results are always shown in local time at each airport.

Related routes

Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.

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