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$142+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in February or January, booked 25 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 August 2, 2026.

This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:45 pm
SLC
-
SEA
Nonstop2h 14m
Delta
Wed 9/27:15 am
SEA
-
SLC
Nonstop2h 11m
Delta
Deal found 7/31$247
This Frontier deal was found by Cheapflights users on 7/29. 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 8/216:05 am
SLC
-
SEA
1 stop7h 15m
Frontier
Fri 8/287:06 pm
SEA
-
SLC
1 stop11h 25m
Frontier
Deal found 7/29$248
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/297:08 pm
SLC
-
SEA
1 stop15h 11m
Multiple Airlines
Tue 9/89:08 am
SEA
-
SLC
Nonstop2h 13m
Multiple Airlines
Deal found 7/31$249
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:26 pm
SLC
-
SEA
1 stop16h 59m
Alaska Airlines
Mon 9/149:08 am
SEA
-
SLC
Nonstop2h 13m
Alaska Airlines
Deal found 7/29$250
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/173:41 pm
SLC
-
SEA
1 stop18h 38m
Frontier
Sat 8/222:37 pm
SEA
-
SLC
1 stop15h 54m
Frontier
Deal found 7/29$251
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am
SLC
-
SEA
2 stops7h 50m
Southwest
Wed 9/166:25 am
SEA
-
SLC
2 stops8h 25m
Southwest
Deal found 7/28$252
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/277:08 pm
SLC
-
SEA
1 stop15h 11m
Frontier
Mon 8/3110:34 am
SEA
-
SLC
2 stops30h 49m
Frontier
Deal found 8/1$253
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 10/1510:28 am
SLC
-
SEA
1 stop8h 17m
Frontier
Tue 10/2011:15 am
SEA
-
SLC
2 stops8h 48m
Frontier
Deal found 8/1$254
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Wed 8/197:08 pm
SLC
-
SEA
1 stop15h 11m
Frontier
Mon 8/2411:54 am
SEA
-
SLC
2 stops29h 29m
Frontier
Deal found 7/29$255
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 9/31:51 pm
SLC
-
SEA
1 stop21h 48m
Frontier
Sun 9/610:34 am
SEA
-
SLC
2 stops19h 57m
Frontier
Deal found 7/29$256
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:42 pm
SLC
-
SEA
Nonstop2h 18m
Alaska Airlines
Mon 10/192:42 pm
SEA
-
SLC
Nonstop2h 04m
Alaska Airlines
Deal found 7/31$257
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:49 pm
SLC
-
SEA
Nonstop2h 16m
Delta
Sat 8/297:15 am
SEA
-
SLC
Nonstop2h 11m
Delta
Deal found 7/29$258

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Delta)

One-way from

$142
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$289

Good round-trip deal

$338 or less

Good one-way deal

$207 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. 26% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 2, 2026.
Use the filters below to find and compare flights from Salt Lake City to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 9/11

6:26 pm-10:25 am

1 stop16h 59m

Seattle/Tacoma Intl

Tue 9/15

7:50 pm-11:00 pm

Nonstop2h 10m

$250

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 10/13

9:42 am-11:02 am

Nonstop2h 20m

Seattle/Tacoma Intl

Fri 10/16

10:54 am-2:06 pm

Nonstop2h 12m

$252

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 9/17

1:30 pm-2:50 pm

Nonstop2h 20m

Seattle/Tacoma Intl

Fri 9/25

7:15 am-10:28 am

Nonstop2h 13m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 9/13

7:45 am-8:59 am

Nonstop2h 14m

Seattle/Tacoma Intl

Mon 9/21

7:59 pm-11:08 pm

Nonstop2h 09m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/16

11:29 am-12:44 pm

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 10/19

7:18 am-10:33 am

Nonstop2h 15m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 8/28

7:20 pm-12:20 am

1 stop6h 00m

Seattle/Tacoma Intl

Fri 9/4

3:25 pm-11:30 pm

2 stops7h 05m

$272

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 9/11

10:55 am-9:15 pm

2 stops11h 20m

Seattle/Tacoma Intl

Sat 9/19

5:00 am-2:10 pm

1 stop8h 10m

$278

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 9/11

8:45 pm-10:10 pm

Nonstop2h 25m

Seattle/Tacoma Intl

Fri 9/18

5:45 am-8:50 am

Nonstop2h 05m

$287

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 8/24

6:10 am-11:50 am

2 stops6h 40m

Seattle/Tacoma Intl

Tue 9/1

6:25 am-3:50 pm

2 stops8h 25m

$298

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 10/22

6:30 am-1:30 pm

2 stops8h 00m

Seattle/Tacoma Intl

Fri 10/23

10:30 am-11:15 pm

2 stops11h 45m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 23 resultsSorted by cheapest first
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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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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?

Booking 24 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 $172). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $338). 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 August 2, 2026.

A simple way to save on the total cost of your ticket is to fly from Salt Lake City to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.

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 July 25, 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. Tuesday 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?

Airfare is typical for this route at the moment.

Salt Lake City to Seattle flights typically cost between $212 and $348 in August.
The cheapest round-trip price found within the last 5 days was $247 on Delta (Aug 28-Sep 2).

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 August 2, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,749 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,749 reviews
Alaska Airlines
7.9
Good
12,749 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,493 reviews
Alaska Airlines
7.9
Good
12,749 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
7.9
Good
12,749 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Frontier
5.6
Fair
2,741 reviews
Alaska Airlines
7.9
Good
12,749 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 21 flights from Salt Lake City to Seattle per day from 4 airlines.

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

    Within the past month, 87 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 20m. Alaska Airlines provides one of the quickest options available for as low as $257. The distance from Salt Lake City to Seattle is about 687 mi. This flight may include one or multiple stops.

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

    Currently priced at $55, 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 Hawaiian Airlines and Alaska Airlines - these airlines can fly you to your destination from $88 and $118, 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?

    $38 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $78 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 Qatar Airways (85%), Korean Air (83%) and Delta (83%).

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

    On average you can expect to pay $1,762 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $158 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $167.

  • 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 $172). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $338). 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline

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Top 4 airlines flying from Salt Lake City to Seattle

Discover the top 4 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$118Average$293FlexibilityNo cancel feeOn-time75%
DeltaCheapest$137Average$300FlexibilityNo cancel feeOn-timeN/A

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