$43 Cheap Flights from Salt Lake City (SLC) to Seattle (SEA)

View $43 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Salt Lake City International Airport (SLC) to Seattle-Tacoma International Airport (SEA)

Today's featured flight deals from Salt Lake City International Airport (SLC) to Seattle-Tacoma International Airport (SEA)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Salt Lake City to Seattle (SLC-SEA)

Prices were available within the past 7 days and start at $43 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 3 - Mon, Nov 10
SLC
Salt Lake City
SEA
Seattle
$92 Roundtrip, found 2 hours ago
$92
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Salt Lake City to Seattle, returning Mon, Nov 10, priced at $92 found 2 hours ago
Frontier Airlines
Mon, Oct 20 - Mon, Oct 27
SLC
Salt Lake City
SEA
Seattle
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 20 from Salt Lake City to Seattle, returning Mon, Oct 27, priced at $100 just found
Frontier Airlines
Fri, Oct 31 - Mon, Nov 3
SLC
Salt Lake City
SEA
Seattle
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Salt Lake City to Seattle, returning Mon, Nov 3, priced at $102 found 1 hour ago
Frontier Airlines
Mon, Dec 8 - Mon, Dec 15
SLC
Salt Lake City
SEA
Seattle
$108 Roundtrip, found 13 hours ago
$108
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Salt Lake City to Seattle, returning Mon, Dec 15, priced at $108 found 13 hours ago
Frontier Airlines
Fri, Nov 14 - Mon, Nov 17
SLC
Salt Lake City
SEA
Seattle
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Salt Lake City to Seattle, returning Mon, Nov 17, priced at $110 found 1 hour ago
Frontier Airlines
Fri, Nov 14 - Sun, Nov 16
SLC
Salt Lake City
SEA
Seattle
$112 Roundtrip, found 1 hour ago
$112
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Salt Lake City to Seattle, returning Sun, Nov 16, priced at $112 found 1 hour ago
Southwest Airlines
Sat, Nov 1 - Mon, Nov 3
SLC
Salt Lake City
SEA
Seattle
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Nov 1 from Salt Lake City to Seattle, returning Mon, Nov 3, priced at $132 found 1 hour ago
Alaska Airlines
Wed, Nov 5 - Sat, Nov 8
SLC
Salt Lake City
SEA
Seattle
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Nov 5 from Salt Lake City to Seattle, returning Sat, Nov 8, priced at $137 just found
Delta
Thu, Dec 4 - Sat, Dec 6
SLC
Salt Lake City
SEA
Seattle
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Dec 4 from Salt Lake City to Seattle, returning Sat, Dec 6, priced at $137 found 1 hour ago
American Airlines
Sat, Nov 15 - Tue, Nov 18
SLC
Salt Lake City
SEA
Seattle
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Nov 15 from Salt Lake City to Seattle, returning Tue, Nov 18, priced at $159 found 2 hours ago

Find the cheapest month to fly from Salt Lake City (SLC) to Seattle (SEA)

March is typically the cheapest month to fly

From $48 - $366 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $100
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $100

Frequently asked questions

How much does a flight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $43 or cheap return flight from $92 from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SLC to SEA is November, when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
Which airlines fly direct from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
Skip the stopovers and fly straight to Seattle - Tacoma Intl. Airport (SEA) from Salt Lake City Intl. Airport (SLC) with 3 carriers, including:

  • Delta Air Lines
  • Alaska Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest airline to offer flights between Salt Lake City Intl. Airport (SLC) and Seattle - Tacoma Intl. Airport (SEA) will change depending on your travel dates. Frontier Airlines and Alaska Airlines are just some of the choices offering competitive fares. Use Expedia's filters to compare airlines in one place and find the right SLC to SEA flight for your budget.
How many flights per day from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
With, on average, 10 nonstop flights that operate from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) every day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
More passengers fly between SLC and SEA at 7 AM than at any other point in the day. Rather skip the crowds? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from SLC to SEA?
Thursday offers the most flights from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
Salt Lake City Intl. Airport (SLC)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) leaves at approximately 6:45AM UTC-7. With a total flight time of 2h 34m, you'll touch down at around 8:19AM UTC-8.
How long does it take to fly from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
Flights from SLC to SEA have an average travel time of 2 hours and 31 minutes. The total distance between these two airports is 690 mi.
What airline has the least delays from SLC to SEA?
Consider booking with American Airlines if you'd like to go straight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) without any holdups. This carrier has the strongest track record for punctuality, with an on-time performance of 100%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Salt Lake City Intl. Airport (SLC)?
Explore your flight options from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA). This is the only airport in Seattle you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from SLC to SEA are generally more expensive. To secure the cheapest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a SLC to SEA flight and hotel package?
You'll typically save money by securing a SLC to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, you can cancel or reschedule your SLC to SEA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Salt Lake City Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$92
Distance
687 mi
Average flight time
1 hour 14 mins

Book with confidence

Book with confidence

Salt Lake City to Seattle Flights

The cheapest times to fly from Salt Lake City to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Salt Lake City to Seattle are during the month of November. You can find some of the cheapest flights from Salt Lake City to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Salt Lake City to Seattle

Sunday is one of the best days to book for cheap flights from Salt Lake City to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Salt Lake City to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Salt Lake City to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Salt Lake City to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Salt Lake City to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Salt Lake City to Seattle Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.