$98 Cheap Flights from Salt Lake City (SLC) to Seattle (SEA)

View $98 flight on Wed, Nov 5, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $98 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 7 - Sun, Nov 9
SLC
Salt Lake City
SEA
Seattle
$134 Roundtrip, found 2 hours ago
$134
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Salt Lake City to Seattle, returning Sun, Nov 9, priced at $134 found 2 hours ago
Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
SLC
Salt Lake City
SEA
Seattle
$148 Roundtrip, found 1 hour ago
$148
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Salt Lake City to Seattle, returning Mon, Oct 27, priced at $148 found 1 hour ago
Alaska Airlines
Wed, Sep 10 - Mon, Oct 27
SLC
Salt Lake City
SEA
Seattle
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Salt Lake City to Seattle, returning Mon, Oct 27, priced at $164 found 3 days ago
Alaska Airlines
Tue, Aug 26 - Fri, Sep 5
SLC
Salt Lake City
SEA
Seattle
$165 Roundtrip, found 6 hours ago
$165
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Salt Lake City to Seattle, returning Fri, Sep 5, priced at $165 found 6 hours ago
Frontier Airlines
Mon, Sep 1 - Fri, Sep 19
SLC
Salt Lake City
SEA
Seattle
$169 Roundtrip, found 2 hours ago
$169
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Sep 1 from Salt Lake City to Seattle, returning Fri, Sep 19, priced at $169 found 2 hours ago
Southwest Airlines
Sat, Nov 8 - Mon, Nov 10
SLC
Salt Lake City
SEA
Seattle
$171 Roundtrip, found 22 hours ago
$171
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Sat, Nov 8 from Salt Lake City to Seattle, returning Mon, Nov 10, priced at $171 found 22 hours ago
Frontier Airlines
Fri, Oct 24 - Sat, Nov 1
SLC
Salt Lake City
SEA
Seattle
$172 Roundtrip, found 2 hours ago
$172
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Salt Lake City to Seattle, returning Sat, Nov 1, priced at $172 found 2 hours ago
Frontier Airlines
Fri, Sep 5 - Wed, Sep 10
SLC
Salt Lake City
SEA
Seattle
$173 Roundtrip, found 6 hours ago
$173
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Salt Lake City to Seattle, returning Wed, Sep 10, priced at $173 found 6 hours ago
Hawaiian Airlines
Sat, Dec 6 - Tue, Dec 9
SLC
Salt Lake City
SEA
Seattle
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Salt Lake City to Seattle, returning Tue, Dec 9, priced at $177 found 4 days ago
Delta
Tue, Aug 26 - Tue, Sep 2
SLC
Salt Lake City
SEA
Seattle
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Tue, Aug 26 from Salt Lake City to Seattle, returning Tue, Sep 2, priced at $177 just found

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

March is typically the cheapest month to fly

From $48 - $362 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

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

Select flight to Boeing Field BFI. Cheapest option available. Average driving time to city center is 10 minutes. Flights from $845
BFI
Boeing Field
Cheapest
Average driving time to city center10 min
Flights from $845
Flights from Salt Lake City (SLC) to Seattle (SEA)
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
$128
Distance
687 mi
Average flight time
1 hour 15 mins

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 $98 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.

 

Frequently asked questions

How much does a flight from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) cost?
You'll find cheap return tickets from Salt Lake City Intl. Airport (SLC) to Seattle - Tacoma Intl. Airport (SEA) starting at $129. Grab your seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving SLC on August 18 2025 and touching down at SEA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SLC to SEA?
The cheapest flights from SLC to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 SLC to SEA?
At the moment, the cheapest carrier operating one-way flights from SLC to SEA is Frontier Airlines. You can book a seat on this route from $73. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SLC on September 28 2025. Prices were last updated on July 23 2025 and have not changed since.
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.

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