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$143+ Cheap flights from Utah to Seattle (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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap flight deals from Utah to Seattle

Cheapest flights from Utah to Seattle
Explore the most affordable flight options available from Utah to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

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.
Thu 9/310:45 pm
SLC
-
SEA
Nonstop2h 14m
Delta
Mon 9/75:45 am
SEA
-
SLC
Nonstop2h 01m
Delta
Deal found 7/29$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 7/29. 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 8/176:05 am
SLC
-
SEA
1 stop8h 12m
Frontier
Sat 8/297:06 pm
SEA
-
SLC
1 stop11h 25m
Frontier
Deal found 7/29$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 8/283:31 pm
SLC
-
SEA
Nonstop2h 16m
Alaska Airlines
Mon 8/318:49 pm
SEA
-
SLC
1 stop21h 07m
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 7/26. 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 9/77:08 pm
SLC
-
SEA
1 stop15h 11m
Frontier
Sat 9/124:27 pm
SEA
-
SLC
1 stop6h 32m
Frontier
Deal found 7/26$253
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 9/67:08 pm
SLC
-
SEA
1 stop15h 11m
Frontier
Sat 9/124:27 pm
SEA
-
SLC
1 stop6h 32m
Frontier
Deal found 7/26$254
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:05 am
SLC
-
SEA
1 stop28h 14m
Frontier
Wed 9/22:37 pm
SEA
-
SLC
1 stop8h 22m
Frontier
Deal found 7/26$255
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am
SLC
-
SEA
1 stop8h 08m
Frontier
Sun 9/139:45 pm
SEA
-
SLC
1 stop20h 44m
Frontier
Deal found 7/25$256
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.
Thu 9/310:55 am
SLC
-
SEA
2 stops7h 40m
Southwest
Sat 9/51:55 pm
SEA
-
SLC
1 stop6h 20m
Southwest
Deal found 7/28$257
This CheapOair deal was found by Cheapflights users on 7/25. 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 9/41:51 pm
SLC
-
SEA
1 stop21h 48m
Frontier
Tue 9/87:06 pm
SEA
-
SLC
1 stop19h 15m
Frontier
Deal found 7/25$258

Find flight deals from Utah to Seattle

Keep the following information in mind while searching for Utah to Seattle flight deals. Data was last updated July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Delta)

One-way from

$143
(Super.com)

Popular in

July

Cheapest in

February

Average price

$338

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 Utah to Seattle/Tacoma Intl
Search Deals
One-way flight from Utah 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 July 2026
Search Deals
Price to beat on a round-trip flight from Utah to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Utah to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Utah 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 July 30, 2026.
Use the filters below to find and compare flights from Utah 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 9/25

6:26 pm-10:25 am

1 stop16h 59m

Seattle/Tacoma Intl

Sun 9/27

6:31 pm-9:38 pm

Nonstop2h 07m

$250

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/16

8:40 pm-10:05 pm

Nonstop2h 25m

Seattle/Tacoma Intl

Mon 10/19

5:55 pm-9:04 pm

Nonstop2h 09m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 10/8

9:42 am-11:02 am

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 10/12

2:42 pm-5:46 pm

Nonstop2h 04m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/16

9:42 am-11:02 am

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 10/19

4:59 pm-8:05 pm

Nonstop2h 06m

$257

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 10/3

3:10 pm-10:20 pm

2 stops8h 10m

Seattle/Tacoma Intl

Thu 10/8

10:30 am-11:15 pm

2 stops11h 45m

$268

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
Quickest round-trip

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 8/22

3:40 pm-4:54 pm

Nonstop2h 14m

Seattle/Tacoma Intl

Sun 8/30

5:45 am-8:46 am

Nonstop2h 01m

$282

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 9/5

9:40 am-4:14 pm

1 stop7h 34m

Seattle/Tacoma Intl

Sun 9/6

5:00 am-1:18 pm

1 stop7h 18m

$287

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

Wed 8/26

8:15 am-9:15 pm

2 stops14h 00m

Seattle/Tacoma Intl

Wed 9/2

12:15 pm-7:18 pm

1 stop6h 03m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Utah to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Utah 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 Utah to Seattle

What is the cheapest month to book a flight from Utah to Seattle?

Currently, February is the cheapest month in which you can book a flight from Utah to Seattle (average of $177). Flying from Utah to Seattle in June is currently the most expensive (average of $340). 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 UT to SEA?

Find hourly flight availability from Utah 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 July 30, 2026.

One of the essential ways to save on airfare from Utah to Seattle is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

Weekly flight availability from Utah to Seattle

Explore weekly flight availability from Utah to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.

The most flights from USUT to SEA are scheduled on a Thursday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Utah to Seattle?

Airfare is typical for this route at the moment.
Utah to Seattle flights typically cost between $212 and $348 in September.
The cheapest round-trip price found within the last 5 days was $247 on Delta (Sep 3-Sep 7).

How far ahead should I book a flight from Utah to Seattle?

To ensure you get the cheapest price possible for a flight from Utah to Seattle, you should look to book at least 24 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Utah to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Utah to Seattle. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Utah 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.

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Utah?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Utah to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How popular is this Utah to Seattle flight route?

    Flights from Utah to Seattle/Tacoma Intl have been viewed 87 times in the past calendar month.

  • How long is the flight from Utah to Seattle?

    For as low as $257, Alaska Airlines can have you in Seattle from Utah in 2h 25m. The distance between Utah and Seattle is about 687 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Utah to Seattle one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38. Delta flights start at $78 while deals on Alaska Airlines start at $88 one-way.

  • What are the most popular routes from Utah to Seattle?

    The most popular flight routes from Utah to Seattle are Salt Lake City - Seattle/Tacoma Intl, Saint George - Seattle/Tacoma Intl and Cedar City - Seattle/Tacoma Intl.

  • What are the most reliable airlines from Utah to Seattle?

    The top 3 most reliable airlines when flying from Utah to Seattle are Qatar Airways (85%), Korean Air (83%) and Delta (83%).

  • What are the cheapest flights from Utah to Seattle?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Salt Lake City - Seattle/Tacoma Intl) can be booked for $167 on average, our data indicates $1,762 when flying from Utah to Seattle.

  • Can I find deals for flights from Utah to Seattle that include hotel bookings?

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

  • How can I find direct flights from Utah to Seattle?

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

  • Can I find deals for business class flights from Utah to Seattle?

    Yes. Cheapflights offers flight deals from Utah 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 Utah to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Utah to Seattle (average of $177). Flying from Utah to Seattle in June is currently the most expensive (average of $340). 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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Alternative routes for Utah to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Utah to Seattle

Discover the top 6 airlines that operate flights from Utah 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$97Average$317FlexibilityNo cancel feeOn-time75%
DeltaCheapest$137Average$346FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$435FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$492FlexibilityNo cancel feeOn-time71%

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