Cheap Flights from Salt Lake City to Seattle / Tacoma International

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Flight deals from Salt Lake City to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Salt Lake City to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Salt Lake City to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Salt Lake City to Seattle / Tacoma International flights are currently cheapest in June.

Direct flights from Salt Lake City to Seattle / Tacoma International

Salt Lake City to Seattle / Tacoma International: Alternative routes

Compare routes from Salt Lake City to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Salt Lake City to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 848
Cheapest month to flyJune
Average flight time2 hrs, 18 mins
Most popular airlineAir Tahiti Nui
Average flights per week429

Finding cheap flights from Salt Lake City to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Salt Lake City to Seattle / Tacoma International is R 2,165. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 18 minutes is the average flight time from Salt Lake City to Seattle / Tacoma International.
Air Tahiti Nui, Alaska Airlines and WestJet fly direct from Salt Lake City to Seattle / Tacoma International.
As of May 2025, there are 429 flights per week flying from Salt Lake City to Seattle / Tacoma International.
The cheapest month to fly from Salt Lake City to Seattle / Tacoma International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Salt Lake City Airport to Seattle / Tacoma International Airport on Friday, 22 August 2025.
Yes – the average flight time is 2 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Salt Lake City International Airport (SLC) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Take a direct flight from Salt Lake City International Airport to Seattle-Tacoma International Airport and you'll be in the air for an average of 2 hours 15 minutes.

  • Seattle is one hour behind Salt Lake City and is in the UTC-7 timezone.

  • Each week, there are 91 Salt Lake City International Airport to Seattle-Tacoma International Airport flights. If you'd like to jet off early, take the 06:00 Alaska Airlines flight. If you're eager to make the most of your day before flying, the last flight is at 22:50 with Delta Air Lines.

  • Leave plenty of time to catch your SLC to SEA flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Travelling to Seattle (and then discovering more of United States!) is a cinch with Alaska Airlines. This popular carrier has direct flights from Salt Lake City International Airport to Seattle-Tacoma International Airport.

  • Alaska Airlines is the most frequently booked airline on this route.

  • With an impressive 91.06% of services arriving as planned, Delta Air Lines is the most punctual carrier for SLC to SEA flights.

  • Consider adding a stopover when booking your ticket from Salt Lake City International Airport to Seattle-Tacoma International Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between SLC and SEA:

    • Boise Air Terminal (Gowen Field) Airport

    • Portland International Airport

    • Tri-Cities Airport

How to find the cheapest flights from Salt Lake City International Airport (SLC) to Seattle-Tacoma International Airport (SEA)

  • R 848 is the best price for a one-way Salt Lake City International Airport to Seattle-Tacoma International Airport flight. A return flight starts from R 2,165. These fares can change depending on availability.

  • Book six months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from SLC to SEA.

  • May is the cheapest month for flights from Salt Lake City International Airport to Seattle-Tacoma International Airport. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time searching for cheap flights from SLC to SEA by setting up a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Salt Lake City International Airport to Seattle-Tacoma International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Salt Lake City International Airport (SLC)

  • SLC is located at 776 North Terminal Drive.

  • Salt Lake City International Airport earns top marks for its on-time performance. 82.4% of flights that depart SLC arrive at their destination as scheduled.

  • Salt Lake City International Airport is about 13 kilometres from central Salt Lake City. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of around 2 hours 55 minutes when using public transport.

  • Need a convenient hotel near SLC? If you're boarding an early flight from Salt Lake City International Airport to Seattle-Tacoma International Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 20 minutes to reach the centre by car.

  • If you're travelling by public transport, expect a journey of roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to plan your trip dates for your flight from Salt Lake City International Airport to Seattle-Tacoma International Airport. July is the most popular month to visit Seattle. If you prefer a more laid-back vibe, go in May.

  • Book your flight from Salt Lake City International Airport to Seattle-Tacoma International Airport for August if you'd like to visit Seattle during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 28ºC (82ºF).

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from SLC to SEA sometime then if you want to travel when it's cooler.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be explored after you've seen Seattle. Around 241 kilometres away to the south, top sights here include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're interested in discovering another corner of United States, consider Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.