Cheap Flights from Salt Lake City to Seattle from $72

Frequently Asked Questions

• What are the cheapest flights from Salt Lake City to Seattle (SLC-SEA)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as $72 on Cheapest nonstop routes (e.g. SLC to SEA on Tue, Nov 3), while Alaska Airlines offers Cheapest nonstop round-trips from $87 departing on Thu, Oct 1 and returning on Mon, Oct 5.

• Which airlines offer direct flights from Salt Lake City to Seattle?

  At the moment, you can catch a nonstop flight from Salt Lake City to Seattle with the following airlines, including: Alaska Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Salt Lake City (SLC) to Seattle (SEA) and what is the distance?

  It takes around 2 hours 21 minutes to fly from Salt Lake City (SLC) to Seattle (SEA).

• When is the best time to book flights from Salt Lake City to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Salt Lake City to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Salt Lake City to Seattle?

  Based on Trip.com data in the past 4 weeks, there is 68 flight per week flying from Salt Lake City to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS3344 (07:25) Delta Air Lines: S/M/T/W/T/F/S -- DL2874 (07:48)

• How can I find the best deals on flights from Salt Lake City to Seattle?

  To find best deals on flights from Salt Lake City to Seattle, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Nov 3, with one-way flights priced at just $72.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Salt Lake City (SLC) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Salt Lake City to Seattle is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Salt Lake City to Seattle on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Salt Lake City to Seattle on September 19, 2026 with Alaska Airlines, with prices starting at $142.

• Which airports can I fly into Seattle from Salt Lake City?

  You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Salt Lake City International Airport to Seattle-Tacoma International Airport (SLC-SEA) are by far the most popular option for this route.

• Is there any time difference between Salt Lake City and Seattle?

  The time difference between Seattle and Salt Lake City is 1h.

• How do I change or cancel my ticket from Salt Lake City to Seattle?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Salt Lake City to Seattle?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Salt Lake City to Seattle is $191. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Salt Lake City to Seattle?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Salt Lake City to Seattle is $320. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Salt Lake City to Seattle on Trip.com?

  Enter Salt Lake City and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.