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$44+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in March or January, booked 40 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 November 6, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$100
(Frontier)

One-way from

$44
(Frontier)

Popular in

July

Cheapest in

March

Average price

$197

Good round-trip deal

$223 or less

Good one-way deal

$187 or less
Provider with most accurate pricing for Salt Lake City-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Seattle/Tacoma Intl flights.
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From Salt Lake City to Seattle/Tacoma Intl
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One-way flight from Salt Lake City to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 24% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Salt Lake City to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
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Find 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 November 6, 2025.

This Frontier deal was found by Cheapflights users on 11/6. 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 11/284:19 pmSLC - SEA
Nonstop2h 25mFrontier
Sat 12/612:48 pmSEA - SLC
1 stop10h 19mFrontier
Deal found 11/6$100
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:23 pmSLC - SEA
Nonstop2h 22mFrontier
Mon 12/153:40 pmSEA - SLC
1 stop7h 27mFrontier
Deal found 11/6$102
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:23 pmSLC - SEA
Nonstop2h 22mMultiple Airlines
Sun 12/148:55 amSEA - SLC
Nonstop2h 05mMultiple Airlines
Deal found 11/4$103
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:12 pmSLC - SEA
1 stop14h 44mFrontier
Sat 11/225:32 pmSEA - SLC
Nonstop2h 04mFrontier
Deal found 11/4$104
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/214:19 pmSLC - SEA
Nonstop2h 25mFrontier
Sun 11/239:53 pmSEA - SLC
1 stop14h 44mFrontier
Deal found 11/6$106
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:20 amSLC - SEA
1 stop5h 33mFrontier
Sat 1/31:31 pmSEA - SLC
Nonstop2h 13mFrontier
Deal found 11/4$109
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:38 pmSLC - SEA
1 stop20h 28mFrontier
Thu 12/1112:48 pmSEA - SLC
1 stop19h 39mFrontier
Deal found 11/6$110
This Frontier deal was found by Cheapflights users on 11/4. 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.
Sat 12/2712:32 pmSLC - SEA
Nonstop2h 22mFrontier
Sat 1/31:31 pmSEA - SLC
Nonstop2h 13mFrontier
Deal found 11/4$111
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:32 pmSLC - SEA
Nonstop2h 22mFrontier
Mon 12/221:25 pmSEA - SLC
Nonstop2h 13mFrontier
Deal found 11/5$112
This Frontier deal was found by Cheapflights users on 11/5. 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 11/284:19 pmSLC - SEA
Nonstop2h 25mFrontier
Fri 12/53:40 pmSEA - SLC
1 stop7h 27mFrontier
Deal found 11/5$113

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 November 6, 2025.
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

Fri 12/26

12:32 pm-1:54 pm

Nonstop2h 22m

Seattle/Tacoma Intl

Mon 12/29

1:25 pm-4:38 pm

Nonstop2h 13m

$111

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 12/11

12:54 pm-2:12 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 12/15

11:31 am-2:43 pm

Nonstop2h 12m

$117

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 2/23

6:20 am-7:32 am

Nonstop2h 12m

Seattle/Tacoma Intl

Tue 3/3

8:05 am-11:05 am

Nonstop2h 00m

$117

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 12/12

4:56 pm-11:53 am

1 stop19h 57m

Seattle/Tacoma Intl

Mon 12/15

12:48 pm-4:01 pm

Nonstop2h 13m

$131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 12/13

9:50 pm-11:25 pm

Nonstop2h 35m

Seattle/Tacoma Intl

Sat 1/3

5:25 am-8:30 am

Nonstop2h 05m

$137

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 12/24

9:50 pm-11:27 pm

Nonstop2h 37m

Seattle/Tacoma Intl

Mon 12/29

5:25 am-8:30 am

Nonstop2h 05m

$137

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 2/12

6:20 am-7:32 am

Nonstop2h 12m

Seattle/Tacoma Intl

Sun 2/15

8:50 pm-11:47 pm

Nonstop1h 57m

$137

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 2/12

10:45 pm-12:09 am

Nonstop2h 24m

Seattle/Tacoma Intl

Wed 2/18

7:00 pm-10:01 pm

Nonstop2h 01m

$137

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 2/13

3:20 pm-4:32 pm

Nonstop2h 12m

Seattle/Tacoma Intl

Sun 2/15

8:50 pm-11:47 pm

Nonstop1h 57m

$137

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 2/17

6:20 am-7:32 am

Nonstop2h 12m

Seattle/Tacoma Intl

Wed 2/25

1:55 pm-4:54 pm

Nonstop1h 59m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 18 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Salt Lake City-Seattle flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 October 31, 2025.

Booking 40 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, February 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 $142). 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 November 6, 2025.

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 49% 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 November 2, 2025.

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.

How much does it cost to fly round-trip from Salt Lake City to Seattle?

The best insider tips for Salt Lake City to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Seattle trip
Airlines
Alaska Airlines

Alaska offers Wi-Fi for a flat fee, ideal for business travelers needing to work during flights.


Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on short domestic routes.

Read more about Alaska Airlinesby Robert Schrader
Airports
SLC

Check in at SLC's expanded security before enjoying The Plaza's local dining options like craft beer and tacos.

Read more about SLCby Ramsey Qubein
SEA

Use the Link light rail from SEA for a budget-friendly ride to downtown Seattle in under 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

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

Ramsey Qubein

Ramsey Qubein

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

Brandon Schultz

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 November 6, 2025.
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
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,245 reviews
Alaska Airlines
8.0
Very good
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,804 reviews
Alaska Airlines
8.0
Very good
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,119 reviews
Alaska Airlines
8.0
Very good
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,115 reviews
Alaska Airlines
8.0
Very good
11,245 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 11m for a nonstop flight. There are 20 flights from Salt Lake City to Seattle per day from 6 airlines.

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

    Within the past month, 186 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 18m. Frontier provides one of the quickest options available for as low as $117. 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 $43, 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 $78 and $108, respectively. You may be able to fly from Salt Lake City to Seattle for 80% less than the average price by searching for these airlines.

  • 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 Sun Country Air (100%), China Eastern (100%) and Aeromexico (91%).

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

    On average you can expect to pay $888 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $54 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $87.

  • 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, February 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 $142). 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
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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Top 6 airlines flying from Salt Lake City to Seattle

Discover the top 6 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$161FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$133FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$108Average$298FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$265FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$306FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$196Average$376FlexibilityNo cancel feeOn-time63%

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