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$72+ Cheap flights from Salt Lake City to Seattle (SLC - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Find cheap flights from Salt Lake City to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in March or February, booked 36 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Salt Lake City to Seattle

Cheapest flights from Salt Lake City to Seattle
Explore the most affordable flight options available from Salt Lake City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:33 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Fri 3/66:54 pm
SEA
-
SLC
Nonstop2h 10m
Frontier
Deal found 2/2$94
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:33 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Mon 3/99:36 pm
SEA
-
SLC
1 stop10h 24m
Frontier
Deal found 2/2$107
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:55 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Mon 3/236:54 pm
SEA
-
SLC
Nonstop2h 10m
Frontier
Deal found 2/2$108
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:55 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Mon 3/169:36 pm
SEA
-
SLC
1 stop10h 34m
Frontier
Deal found 2/2$112
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:33 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Thu 3/51:16 pm
SEA
-
SLC
1 stop17h 39m
Frontier
Deal found 2/1$123
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:55 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Sun 3/89:35 pm
SEA
-
SLC
1 stop10h 40m
Frontier
Deal found 2/2$126
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:45 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Mon 3/29:14 pm
SEA
-
SLC
1 stop15h 19m
Frontier
Deal found 2/2$127
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:55 pm
SLC
-
SEA
Nonstop2h 26m
Frontier
Sat 3/2810:08 pm
SEA
-
SLC
1 stop10h 14m
Frontier
Deal found 2/2$129
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:54 pm
SLC
-
SEA
Nonstop2h 20m
Frontier
Sat 4/117:56 pm
SEA
-
SLC
1 stop10h 50m
Frontier
Deal found 2/3$134

Find flight deals from Salt Lake City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$94
(Frontier)

One-way from

$72
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$161

Good round-trip deal

$246 or less

Good one-way deal

$190 or less
Provider with most accurate pricing for Salt Lake City-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Seattle/Tacoma Intl flights.
Search Deals
From Salt Lake City to Seattle/Tacoma Intl
Search Deals
One-way flight from Salt Lake City to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Salt Lake City to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Salt Lake City to Seattle that are best for you.

Fly from

Salt Lake City

Fly to

Seattle

Route

Depart

Return

Price

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 3/2

6:33 pm-7:59 pm

Nonstop2h 26m

Seattle/Tacoma Intl

Mon 3/9

9:36 pm-9:00 am

1 stop10h 24m

$107

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 3/5

9:59 pm-11:19 am

1 stop14h 20m

Seattle/Tacoma Intl

Sun 3/15

9:35 pm-9:15 am

1 stop10h 40m

$147

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 3/6

6:55 pm-8:21 pm

Nonstop2h 26m

Seattle/Tacoma Intl

Sun 3/15

9:35 pm-9:15 am

1 stop10h 40m

$151

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 3/17

1:40 pm-2:54 pm

Nonstop2h 14m

Seattle/Tacoma Intl

Sat 3/21

1:32 pm-4:40 pm

Nonstop2h 08m

$157

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 3/24

3:34 pm-4:47 pm

Nonstop2h 13m

Seattle/Tacoma Intl

Sat 3/28

5:30 am-8:31 am

Nonstop2h 01m

$157

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 3/28

8:45 pm-10:03 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Tue 3/31

4:55 pm-7:55 pm

Nonstop2h 00m

$157

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 3/21

1:55 pm-3:09 pm

Nonstop2h 14m

Seattle/Tacoma Intl

Wed 3/25

4:55 pm-7:55 pm

Nonstop2h 00m

$157

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 3/19

6:00 am-7:21 am

Nonstop2h 21m

Seattle/Tacoma Intl

Sat 3/21

8:56 pm-11:59 pm

Nonstop2h 03m

$167

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 3/18

6:00 am-7:21 am

Nonstop2h 21m

Seattle/Tacoma Intl

Sun 3/22

7:05 am-10:12 am

Nonstop2h 07m

$167

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 3/7

3:25 pm-4:48 pm

Nonstop2h 23m

Seattle/Tacoma Intl

Sun 3/8

5:30 am-8:30 am

Nonstop2h 00m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 23 results
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Compare providers for flights from Salt Lake City to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Salt Lake City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Salt Lake City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to Seattle

How far ahead should I book a flight from Salt Lake City to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Seattle. Price data was last updated on January 30, 2026.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Salt Lake City to Seattle?

Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of $37). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SLC to SEA?

Find hourly flight availability from Salt Lake City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Salt Lake City to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Salt Lake City to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Seattle. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Salt Lake City to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Salt Lake City to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Seattle trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SLC

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Salt Lake City to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,831 reviews
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,132 reviews
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Spirit Airlines
6.3
Okay
8,396 reviews
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.7
Fair
3,051 reviews
Alaska Airlines
8.0
Very good
11,831 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Salt Lake City to Seattle?

    If you book a flight from Salt Lake City to Seattle, you will be flying from Salt Lake City to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Salt Lake City (SLC) take 2h 13m for a nonstop flight. There are 33 flights from Salt Lake City to Seattle per day from 5 airlines.

  • How popular is this Salt Lake City to Seattle flight route?

    Within the past month, 171 users have taken a look at flights from Salt Lake City to Seattle/Tacoma Intl.

  • How long is the flight from Salt Lake City to Seattle?

    A quick flight from Salt Lake City to Seattle can take about 2h 14m. Frontier provides one of the quickest options available for as low as $157. The distance from Salt Lake City to Seattle is about 687 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Salt Lake City to Seattle round-trip?

    Currently priced at $53, Frontier will fly you from Salt Lake City to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $69 and $98, respectively. You may be able to fly from Salt Lake City to Seattle for 76% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Salt Lake City to Seattle one-way?

    $36 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Alaska Airlines, with prices starting from $47 and $88, respectively.

  • What are the most reliable airlines from Salt Lake City to Seattle?

    The top 3 most reliable airlines when flying from Salt Lake City to Seattle are Korean Air (89%), WestJet (87%) and LATAM Airlines (87%).

  • What are the cheapest flights from Salt Lake City to Seattle?

    On average you can expect to pay $933 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $103 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $139.

  • Can I find deals for flights from Salt Lake City to Seattle that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Seattle.

  • Can I find deals for business class flights from Salt Lake City to Seattle?

    Yes. Cheapflights offers flight deals from Salt Lake City to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Salt Lake City to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of $37). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Salt Lake City to Seattle

Discover the top 5 airlines that operate flights from Salt Lake City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$161FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$127FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$269FlexibilityNo cancel feeOn-time85%
DeltaCheapest$110Average$264FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$117Average$292FlexibilityNo cancel feeOn-time75%

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