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Cheap flights from Seattle to Salt Lake City from C$ 123

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SLC
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Salt Lake City are usually found in March or November, booked 20 days in advance, depart on a Sunday or Friday 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 15 September 2025.

Round-trip from

C$ 245

One-way from

C$ 123

Popular in

July

Cheapest in

March

Average price

C$ 298

Good round-trip deal

C$ 197 or less

Good one-way deal

C$ 298 or less
Southwest
  • Southwest
  • 28/1-3/2
  • 2 total stops
  • 13h 35m total
  • Seattle to Salt Lake City
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Southwest
  • Southwest
  • 16/12
  • 1 total stop
  • 6h 10m total
  • Seattle to Salt Lake City
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Highest demand for flights based on searches. 14% potential increase in price (C$ 76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Salt Lake City.
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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 15 September 2025.

Wed 8/109:55 a.m.SEA - SLC
Nonstop2h 12mHawaiian Airlines
Tue 14/103:43 p.m.SLC - SEA
Nonstop2h 16mHawaiian Airlines
Deal found 15/9C$ 245
Tue 14/106:15 a.m.SEA - SLC
1 stop5h 00mSouthwest
Tue 21/104:10 p.m.SLC - SEA
2 stops7h 45mSouthwest
Deal found 14/9C$ 251
Tue 18/115:40 a.m.SEA - SLC
1 stop5h 55mSouthwest
Mon 24/118:10 p.m.SLC - SEA
1 stop5h 20mSouthwest
Deal found 15/9C$ 258
Tue 21/106:15 a.m.SEA - SLC
1 stop5h 00mSouthwest
Sat 25/102:35 p.m.SLC - SEA
2 stops7h 00mSouthwest
Deal found 14/9C$ 265
Thu 9/105:25 a.m.SEA - SLC
Nonstop1h 59mDelta
Sat 11/103:17 p.m.SLC - SEA
Nonstop2h 15mDelta
Deal found 15/9C$ 272
Thu 23/105:00 a.m.SEA - SLC
1 stop5h 35mSouthwest
Thu 30/1011:10 a.m.SLC - SEA
2 stops8h 55mSouthwest
Deal found 15/9C$ 279
Tue 7/109:55 a.m.SEA - SLC
Nonstop2h 12mHawaiian Airlines
Tue 7/103:43 p.m.SLC - SEA
Nonstop2h 16mHawaiian Airlines
Deal found 15/9C$ 291
Sat 11/106:30 p.m.SEA - SLC
Nonstop2h 12mAlaska Airlines
Tue 14/103:43 p.m.SLC - SEA
Nonstop2h 16mAlaska Airlines
Deal found 15/9C$ 293
Thu 23/105:25 a.m.SEA - SLC
Nonstop1h 59mDelta
Sun 26/107:45 a.m.SLC - SEA
Nonstop2h 21mDelta
Deal found 15/9C$ 300
Fri 5/125:40 a.m.SEA - SLC
2 stops8h 30mSouthwest
Mon 8/124:15 p.m.SLC - SEA
1 stop7h 40mSouthwest
Deal found 15/9C$ 307
Tue 25/115:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Sat 29/1110:45 p.m.SLC - SEA
Nonstop2h 26mDelta
Deal found 14/9C$ 314
Sat 11/1011:40 a.m.SEA - SLC
1 stop7h 10mDelta
Tue 14/103:17 p.m.SLC - SEA
Nonstop2h 15mDelta
Deal found 15/9C$ 318

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 15 September 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

Sat 8/11

7:10 a.m.-10:24 a.m.

Nonstop2h 14m

Salt Lake City

Wed 12/11

1:32 p.m.-2:54 p.m.

Nonstop2h 22m

C$ 245

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Sat 8/11

1:30 p.m.-4:40 p.m.

Nonstop2h 10m

Salt Lake City

Sat 15/11

7:45 a.m.-9:19 a.m.

Nonstop2h 34m

C$ 245

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Wed 28/1

9:55 a.m.-5:35 p.m.

1 stop6h 40m

Salt Lake City

Tue 3/2

1:35 p.m.-9:50 p.m.

2 stops9h 15m

C$ 251

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Thu 25/12

4:57 p.m.-8:02 p.m.

Nonstop2h 05m

Salt Lake City

Wed 31/12

5:30 a.m.-7:00 a.m.

Nonstop2h 30m

C$ 272

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 25/11

5:25 a.m.-8:30 a.m.

Nonstop2h 05m

Salt Lake City

Mon 1/12

10:45 p.m.-12:11 a.m.

Nonstop2h 26m

C$ 272

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Tue 20/1

1:30 p.m.-4:38 p.m.

Nonstop2h 08m

Salt Lake City

Sun 25/1

3:35 p.m.-5:00 p.m.

Nonstop2h 25m

C$ 272

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Wed 22/10

7:10 a.m.-10:24 a.m.

Nonstop2h 14m

Salt Lake City

Thu 30/10

1:30 p.m.-2:45 p.m.

Nonstop2h 15m

C$ 272

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Sun 18/1

6:10 p.m.-9:13 p.m.

Nonstop2h 03m

Salt Lake City

Tue 27/1

1:40 p.m.-3:08 p.m.

Nonstop2h 28m

C$ 272

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Wed 7/1

1:45 p.m.-8:41 p.m.

1 stop5h 56m

Salt Lake City

Fri 9/1

6:55 p.m.-10:24 p.m.

1 stop4h 29m

C$ 298

SeattleSalt Lake City

SEA - SLC

SEASLC

Seattle/Tacoma Intl

Thu 16/10

5:25 a.m.-8:24 a.m.

Nonstop1h 59m

Salt Lake City

Sun 19/10

10:45 p.m.-11:59 p.m.

Nonstop2h 14m

C$ 300

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 23 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 12 September 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 20 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$ 399). 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 15 September 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.

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 15 September 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

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
3,172 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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 46 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 130 times in the past calendar month.

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

    A quick flight from Seattle to Salt Lake City can take about 2h 05m. Delta provides one of the quickest options available for as low as C$ 272. Seattle and Salt Lake City are separated by a distance of 1106 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 122 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 Aeromexico (91%), SkyWest Airlines (86%) or Virgin Atlantic (85%) 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$ 109. On average you can expect to pay C$ 351. The most popular route, (Seattle/Tacoma Intl - Salt Lake City), can usually be booked for C$ 280.

  • 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$ 399). 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

Browse thousands of different options on Cheapflights for your next trip

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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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 94AverageC$ 197FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 122AverageC$ 258FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 134AverageC$ 272FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 200AverageC$ 598FlexibilityNo 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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