Seattle

$82+ Cheap flights from Salt Lake City to Seattle (SLC - SEA)

SLC — SEA
Nov 29 — Dec 61
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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 February or January, booked 61 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Salt Lake City to Seattle

Cheapest flights from Salt Lake City to Seattle

Wed 12/22:07 pm -
1 stop23h 20m
Wed 12/94:58 pm -
1 stop18h 34m
Deal found 10/29$160
Thu 11/198:23 pm -
1 stop17h 14m
Tue 11/249:53 pm -
1 stop22h 18m
Deal found 10/29$161
Wed 11/189:28 am -
1 stop25h 17m
Fri 12/41:32 pm -
2 stops22h 34m
Deal found 10/27$162
Mon 11/231:54 pm -
1 stop23h 43m
Mon 11/309:53 pm -
1 stop14h 19m
Deal found 10/27$165
Thu 12/102:07 pm -
1 stop23h 24m
Mon 12/141:21 pm -
2 stops22h 45m
Deal found 10/27$167
Wed 12/22:07 pm -
1 stop23h 20m
Mon 12/141:21 pm -
2 stops22h 45m
Deal found 10/27$168
Fri 12/41:20 pm -
1 stop27h 23m
Mon 12/78:56 pm -
1 stop15h 10m
Deal found 10/29$169
Wed 12/22:07 pm -
1 stop23h 20m
Mon 12/78:56 pm -
1 stop15h 10m
Deal found 10/25$170
Mon 12/1411:03 am -
1 stop5h 40m
Mon 12/216:25 pm -
1 stop22h 10m
Deal found 10/28$173
Fri 12/41:20 pm -
1 stop27h 23m
Sun 12/69:09 pm -
1 stop14h 57m
Deal found 10/29$174
Wed 11/189:28 am -
1 stop25h 17m
Sun 11/229:53 pm -
1 stop22h 18m
Deal found 10/26$175

Find flight deals from Salt Lake City to Seattle

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Cheapflightsfares)

One-way from

$82
(Super.com)

Popular in

July

Cheapest in

February

Average price

$308

Good round-trip deal

$374 or less

Good one-way deal

$287 or less
Provider with most accurate pricing for Salt Lake City-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Seattle/Tacoma Intl flights.
From Salt Lake City to Seattle/Tacoma Intl
One-way flight from Salt Lake City to Seattle/Tacoma Intl
Highest demand for flights based on searches. 22% potential increase in price ($76 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Salt Lake City to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
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 Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 12/4

4:10 pm-8:55 pm

1 stop5h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$89

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Mon 12/14

3:25 pm-10:50 pm

1 stop8h 25m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$89

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 1/5

4:10 pm-8:55 pm

1 stop5h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$139

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 2/27

12:30 pm-9:40 pm

2 stops10h 10m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$144

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 3/10

12:25 pm-6:50 pm

2 stops7h 25m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$144

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 3/5

12:50 pm-4:30 pm

1 stop4h 40m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$149

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 1/8

12:25 pm-6:05 pm

2 stops6h 40m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$154

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Mon 11/16

8:00 am-3:12 pm

1 stop8h 12m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$157
Quickest round-trip

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 12/2

5:31 pm-6:47 pm

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$159

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 11/27

7:00 am-1:54 pm

1 stop7h 54m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Salt Lake City to Seattle

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust 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

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 60 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 $174). Flying from Salt Lake City to Seattle in July 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 SLC to SEA?

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 25% on your trip compared to booking a flight in the evening.

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

Travelers seeking maximum savings on their Salt Lake City to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday 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 below average for this route at the moment.

Salt Lake City to Seattle flights typically cost between $163 and $356 in December.
The cheapest round-trip price found within the last 5 days was $160 on Frontier (Dec 2-Dec 9).

The best insider tips for Salt Lake City to Seattle flights

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.

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.

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.

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andFrontier 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.

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.0

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.

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.0

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.

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.0

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.

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.0

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

  • 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 15m for a nonstop flight. There are 12 flights from Salt Lake City to Seattle per day from 3 airlines.

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

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

    A quick flight from Salt Lake City to Seattle can take about 2h 25m. Southwest provides one of the quickest options available for as low as $267. 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 Alaska Airlines and Delta - these airlines can fly you to your destination from $117 and $139, respectively. You may be able to fly from Salt Lake City to Seattle for 78% 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?

    $44 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 $79 and $104, 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 Cathay Pacific (96%), Delta (86%) and Aeromexico (85%).

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

    On average you can expect to pay $1,007 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $163 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $157.

  • 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 $174). Flying from Salt Lake City to Seattle in July 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
Tukwila
Snoqualmie
Puyallup
Lynnwood
Olympia
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Salt Lake City to Seattle

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$165FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$117Average$300FlexibilityNo cancel feeOn-time75%
DeltaCheapest$139Average$310FlexibilityNo cancel feeOn-timeN/A

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