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Cheap flights from Seattle to Salt Lake City from C$ 121

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SLC
19 Aug — 26 Aug1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Salt Lake City are usually found in March or November, booked 24 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Seattle to Salt Lake City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Salt Lake City (SLC). 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 14 August 2025.

Round-trip from

C$ 241

One-way from

C$ 121

Popular in

July

Cheapest in

March

Average price

C$ 332

Good one-way deal

C$ 219 or less
Southwest
  • Southwest
  • 9/9-9/9
  • 2 total stops
  • 9h 50m total
  • Seattle to Salt Lake City
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Southwest
  • Southwest
  • 10/9
  • 1 total stop
  • 5h 00m total
  • Seattle to Salt Lake City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Salt Lake City.
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Find flight deals from Seattle to Salt Lake City

Cheapest flights from Seattle to Salt Lake City
Explore the most affordable flight options available from Seattle to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Tue 16/97:00 a.m.SEA - SLC
1 stop14h 26mFrontier
Sat 20/94:27 p.m.SLC - SEA
1 stop17h 53mFrontier
Deal found 14/8C$ 236
Tue 16/96:40 p.m.SEA - SLC
Nonstop2h 13mHawaiian Airlines
Sat 20/97:29 p.m.SLC - SEA
Nonstop2h 16mHawaiian Airlines
Deal found 14/8C$ 238
Tue 9/96:15 a.m.SEA - SLC
1 stop4h 25mSouthwest
Tue 9/96:25 p.m.SLC - SEA
1 stop5h 25mSouthwest
Deal found 13/8C$ 241
Wed 10/95:30 a.m.SEA - SLC
Nonstop2h 00mDelta
Sat 13/93:27 p.m.SLC - SEA
Nonstop2h 13mDelta
Deal found 13/8C$ 244
Tue 9/96:45 a.m.SEA - SLC
2 stops9h 45mSouthwest
Tue 16/911:20 a.m.SLC - SEA
1 stop7h 50mSouthwest
Deal found 13/8C$ 248
Fri 15/84:54 p.m.SEA - SLC
Nonstop2h 06mFrontier
Wed 20/812:52 p.m.SLC - SEA
1 stop11h 09mFrontier
Deal found 14/8C$ 254
Wed 20/86:41 a.m.SEA - SLC
1 stop26h 18mFrontier
Sun 24/82:30 p.m.SLC - SEA
Nonstop2h 15mFrontier
Deal found 14/8C$ 256
Sat 13/95:30 a.m.SEA - SLC
Nonstop2h 06mDelta
Fri 19/98:59 p.m.SLC - SEA
Nonstop2h 23mDelta
Deal found 14/8C$ 258
Thu 23/101:30 p.m.SEA - SLC
Nonstop2h 10mDelta
Sun 26/1010:45 p.m.SLC - SEA
Nonstop2h 14mDelta
Deal found 14/8C$ 272
Tue 9/95:20 a.m.SEA - SLC
1 stop3h 41mAlaska Airlines
Tue 9/91:35 p.m.SLC - SEA
Nonstop2h 13mAlaska Airlines
Deal found 13/8C$ 277

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Salt Lake City 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 629,999 searches. Data last updated 14 August 2025.
Use the filters below to find and compare flights from Seattle to Salt Lake City that are best for you.

Fly from

Seattle

Fly to

Salt Lake City

Route

Depart

Return

Price

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 16/9

7:00 a.m.-10:26 p.m.

1 stop14h 26m

Salt Lake City

Sat 20/9

4:27 p.m.-9:20 a.m.

1 stop17h 53m

C$ 236

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 16/9

6:40 p.m.-9:53 p.m.

Nonstop2h 13m

Salt Lake City

Sat 20/9

7:29 p.m.-8:45 p.m.

Nonstop2h 16m

C$ 238

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 9/9

6:15 a.m.-11:40 a.m.

1 stop4h 25m

Salt Lake City

Wed 10/9

11:20 a.m.-6:10 p.m.

1 stop7h 50m

C$ 241

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 9/9

6:15 a.m.-11:40 a.m.

1 stop4h 25m

Salt Lake City

Tue 9/9

6:25 p.m.-10:50 p.m.

1 stop5h 25m

C$ 241

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 9/9

6:15 a.m.-11:40 a.m.

1 stop4h 25m

Salt Lake City

Tue 16/9

7:30 p.m.-12:05 a.m.

1 stop5h 35m

C$ 241

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Wed 1/10

7:00 a.m.-3:35 p.m.

1 stop7h 35m

Salt Lake City

Wed 1/10

7:30 p.m.-12:05 a.m.

1 stop5h 35m

C$ 241

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Sat 6/9

5:30 a.m.-8:30 a.m.

Nonstop2h 00m

Salt Lake City

Sat 13/9

3:27 p.m.-4:40 p.m.

Nonstop2h 13m

C$ 244

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 18/11

9:55 a.m.-1:07 p.m.

Nonstop2h 12m

Salt Lake City

Sat 22/11

7:14 a.m.-8:54 a.m.

Nonstop2h 40m

C$ 244

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Sat 13/9

5:30 a.m.-8:36 a.m.

Nonstop2h 06m

Salt Lake City

Wed 17/9

7:50 a.m.-9:07 a.m.

Nonstop2h 17m

C$ 244

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Wed 19/11

11:21 a.m.-2:28 p.m.

Nonstop2h 07m

Salt Lake City

Sat 22/11

7:14 a.m.-8:54 a.m.

Nonstop2h 40m

C$ 244

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 19 results
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Best time to book a flight from Seattle to Salt Lake City

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Seattle 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 Seattle to Salt Lake City

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Salt Lake City. Price data was last updated on 8 August 2025.

The price you pay for your flight from Seattle to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Salt Lake City (average of C$ 452). Flying from Seattle to Salt Lake City in December is currently the most expensive (average of C$ 587). 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 SEA to SLC?

Find hourly flight availability from Seattle to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

It’s typically best to fly out from Seattle to Salt Lake City in the afternoon. Doing so could potentially save you 76% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Seattle to Salt Lake City

Explore weekly flight availability from Seattle to Salt Lake City. 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 14 August 2025.

The most flights from SEA to SLC are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

Reviews of airlines servicing Salt Lake City

Get insights into the airlines that provide service to Salt Lake City. 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 Salt Lake City. Reviews last updated 14 August 2025.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Salt Lake City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Salt Lake City. 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 Seattle to Salt Lake City?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Salt Lake City (SLC) is your only option if you wish to fly from Seattle to Salt Lake City. On a typical day, there are 44 flights from Seattle/Tacoma Intl to Salt Lake City, all of which are around 2h 06m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Seattle/Tacoma Intl to Salt Lake City.

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

    Flights from Seattle/Tacoma Intl to Salt Lake City have been viewed 121 times in the past calendar month.

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

    Flying on Frontier is currently your cheapest option to Salt Lake City, with prices starting at C$ 94. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at C$ 121 and C$ 134, respectively. Frontier is currently priced 71% below the average price you’ll pay for this route.

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

    Consider Horizon Air (100%), Aeromexico (89%) or SkyWest Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Salt Lake City.

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

    The cheapest flight price from Seattle to Salt Lake City is C$ 182. On average you can expect to pay C$ 219. The most popular route, (Seattle/Tacoma Intl - Salt Lake City), can usually be booked for C$ 416.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Salt Lake City 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 Seattle to Salt Lake City?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Salt Lake City (average of C$ 452). Flying from Seattle to Salt Lake City in December is currently the most expensive (average of C$ 587). 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

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Top 4 airlines flying from Seattle to Salt Lake City

Discover the top 4 airlines that operate flights from Seattle to Salt Lake City. 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 629,999 searches. Data last updated 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 94AverageC$ 190FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 121AverageC$ 258FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 134AverageC$ 277FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 200AverageC$ 597FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

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Need flexible booking options for your flight to Salt Lake City from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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