$38 Cheap Flights from Seattle (SEA) to Salt Lake City (SLC)

View $38 flight on Mon, Mar 23, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $38 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Mar 23 - Mon, Mar 30
SEA
Seattle
SLC
Salt Lake City
$77 Roundtrip, found 6 hours ago
$77
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Mar 23 from Seattle to Salt Lake City, returning Mon, Mar 30, priced at $77 found 6 hours ago
Frontier Airlines
Fri, Apr 17 - Mon, Apr 20
SEA
Seattle
SLC
Salt Lake City
$88 Roundtrip, found 2 hours ago
$88
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Seattle to Salt Lake City, returning Mon, Apr 20, priced at $88 found 2 hours ago
Frontier Airlines
Fri, May 8 - Mon, May 11
SEA
Seattle
SLC
Salt Lake City
$98 Roundtrip, found 1 hour ago
$98
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, May 8 from Seattle to Salt Lake City, returning Mon, May 11, priced at $98 found 1 hour ago
Frontier Airlines
Mon, Mar 23 - Mon, Mar 30
SEA
Seattle
SLC
Salt Lake City
$107 Roundtrip, found 6 hours ago
$107
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Mar 23 from Seattle to Salt Lake City, returning Mon, Mar 30, priced at $107 found 6 hours ago
Frontier Airlines
Mon, Mar 23 - Wed, Apr 1
SEA
Seattle
SLC
Salt Lake City
$113 Roundtrip, found 9 hours ago
$113
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Mar 23 from Seattle to Salt Lake City, returning Wed, Apr 1, priced at $113 found 9 hours ago
Frontier Airlines
Fri, Mar 27 - Mon, Mar 30
SEA
Seattle
SLC
Salt Lake City
$118 Roundtrip, found 4 hours ago
$118
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Mar 27 from Seattle to Salt Lake City, returning Mon, Mar 30, priced at $118 found 4 hours ago
Southwest Airlines
Sun, May 10 - Mon, May 11
SEA
Seattle
SLC
Salt Lake City
$133 Roundtrip, found 1 hour ago
$133
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sun, May 10 from Seattle to Salt Lake City, returning Mon, May 11, priced at $133 found 1 hour ago
United
Sun, Mar 22 - Mon, Mar 23
SEA
Seattle
SLC
Salt Lake City
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Mar 22 from Seattle to Salt Lake City, returning Mon, Mar 23, priced at $142 found 1 hour ago
Delta
Fri, Apr 3 - Mon, Apr 6
SEA
Seattle
SLC
Salt Lake City
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Apr 3 from Seattle to Salt Lake City, returning Mon, Apr 6, priced at $177 found 1 hour ago
American Airlines
Mon, Apr 20 - Tue, Apr 21
SEA
Seattle
SLC
Salt Lake City
$307 Roundtrip, found 1 hour ago
$307
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Apr 20 from Seattle to Salt Lake City, returning Tue, Apr 21, priced at $307 found 1 hour ago

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Alternative airports near Salt Lake City

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

Select flight to Salt Lake City Intl. SLC. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $236
SLC
Salt Lake City Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $236

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

January is typically the cheapest month to fly

From $62 - $156 per traveler.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) cost?
You can find cheap one-way flights from $38 and cheap return flights from $77 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) with Expedia. One-way flights generally range between $81 and $910, and roundtrip flights usually range from $230 to $1009. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
January is typically the cheapest month to fly from Seattle (SEA) to Salt Lake City (SLC), with average return fares around $272. This is about 15% lower than the average price throughout the year, as January sees a drop in travel demand after the holiday season. Other cheap months to fly from Seattle to Salt Lake City include February and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
3 airlines operate nonstop service from SEA to SLC:

  • Delta operates around 46 direct flights from SEA to SLC every week
  • Frontier Airlines operates around 7 direct flights from SEA to SLC every week
  • Hawaiian Airlines operates around 28 direct flights from SEA to SLC every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Seattle, WA (SEA) to Salt Lake City, UT (SLC), starting from around $40. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The best airline to fly with from Seattle, WA (SEA) to Salt Lake City, UT (SLC) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from Seattle to Salt Lake City, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
When flying from Seattle, WA (SEA) to Salt Lake City, UT (SLC), January and March are the best months to consider. These months are the cheapest, with average return flight prices around $272. January offers a quieter travel experience, while March allows you to enjoy the early spring scenery.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
You can find approximately 7 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Salt Lake City Intl. (SLC). For more options, look at flights that include layovers.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC) typically departs at around 12:05 AM, operated by American Airlines. This seasonal service is active in February, allowing you to maximize your time in Salt Lake City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Salt Lake City Intl. (SLC) are from 9am to 12pm. About 24% of passengers prefer this time, which is great for those who want to travel after a morning routine. Many major carriers, including Alaska Airlines and Delta, offer flights during this window.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A nonstop flight from SEA to SLC typically takes around 2 hours, covering approximately 687 miles. Connecting flights on this route usually add 5 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
You can fly first class between SEA and SLC. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines
  • Hawaiian Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A direct, return business class ticket from Seattle (SEA) to Salt Lake City (SLC) typically costs between $788 - $1,189. A non-stop, one-way business class flight is usually around $408 - $658. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Salt Lake City from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Salt Lake City from Seattle - Tacoma Intl. (SEA), you can fly into Salt Lake City Intl. (SLC) Some flights may connect through major hubs like San Francisco Intl. (SFO), Norman Y. Mineta San Jose Intl. (SJC), Oakland Intl. (OAK) before reaching Salt Lake City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) Salt Lake City Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$77
Distance
687 mi
Average flight time
3 hours 2 mins

Book with confidence

Seattle to Salt Lake City Flights

The cheapest times to fly from Seattle to Salt Lake City

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 Seattle to Salt Lake City are during the month of March. You can find some of the cheapest flights from Seattle to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Seattle to Salt Lake City: 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 Seattle to Salt Lake City

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 Seattle to Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from $38 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 Seattle to Salt Lake City 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 Seattle to Salt Lake City 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.

 

Seattle to Salt Lake City Flights

*Flight schedules are subject to change.

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*Available to One Key members.