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Cheap flights from Salt Lake City to Seattle from C$ 203

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags
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 Monday or Wednesday and return on a Monday

Cheap flight deals from Salt Lake City to Seattle

Enter your travel dates to find the best prices.

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 28 July 2026.

Sat 19/91:17 p.m.
SLC
-
SEA
Nonstop2h 11m
Alaska Airlines
Sat 26/910:13 a.m.
SEA
-
SLC
1 stop7h 43m
Alaska Airlines
Deal found 27/7C$ 353
Mon 14/96:00 a.m.
SLC
-
SEA
2 stops7h 50m
Southwest
Wed 16/96:25 a.m.
SEA
-
SLC
2 stops8h 25m
Southwest
Deal found 28/7C$ 356
Wed 14/103:02 p.m.
SLC
-
SEA
Nonstop2h 15m
Alaska Airlines
Fri 23/108:48 p.m.
SEA
-
SLC
Nonstop2h 03m
Alaska Airlines
Deal found 28/7C$ 360
Mon 17/86:06 p.m.
SLC
-
SEA
1 stop16h 13m
Alaska Airlines
Tue 18/811:51 a.m.
SEA
-
SLC
Nonstop2h 13m
Alaska Airlines
Deal found 25/7C$ 361
Thu 3/910:55 a.m.
SLC
-
SEA
2 stops7h 40m
Southwest
Sat 5/91:55 p.m.
SEA
-
SLC
1 stop6h 20m
Southwest
Deal found 28/7C$ 363
Sat 22/85:00 p.m.
SLC
-
SEA
1 stop4h 30m
Southwest
Sat 29/86:00 a.m.
SEA
-
SLC
2 stops11h 20m
Southwest
Deal found 28/7C$ 364
Fri 4/96:26 p.m.
SLC
-
SEA
1 stop25h 26m
Alaska Airlines
Tue 8/99:08 a.m.
SEA
-
SLC
Nonstop2h 13m
Alaska Airlines
Deal found 24/7C$ 365
Sat 5/93:31 p.m.
SLC
-
SEA
Nonstop2h 16m
Alaska Airlines
Thu 10/97:40 a.m.
SEA
-
SLC
1 stop12h 19m
Alaska Airlines
Deal found 27/7C$ 367
Sat 22/88:10 a.m.
SLC
-
SEA
1 stop7h 15m
Southwest
Wed 26/87:10 a.m.
SEA
-
SLC
2 stops8h 15m
Southwest
Deal found 26/7C$ 370
Tue 13/105:25 p.m.
SLC
-
SEA
2 stops7h 30m
Southwest
Sun 18/109:35 a.m.
SEA
-
SLC
1 stop10h 15m
Southwest
Deal found 28/7C$ 371
Mon 7/91:10 p.m.
SLC
-
SEA
Nonstop2h 11m
Alaska Airlines
Tue 15/911:32 a.m.
SEA
-
SLC
1 stop6h 24m
Alaska Airlines
Deal found 24/7C$ 374
Thu 15/109:42 a.m.
SLC
-
SEA
Nonstop2h 20m
Alaska Airlines
Mon 19/1010:54 a.m.
SEA
-
SLC
Nonstop2h 12m
Alaska Airlines
Deal found 24/7C$ 375

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 28 July 2026.

Round-trip from

C$ 353

One-way from

C$ 203

Popular in

July

Cheapest in

February

Average price

C$ 477
Alaska Airlines
  • Alaska Airlines
  • 19/9-26/9
  • 1 total stop
  • 9h 54m total
  • Salt Lake City to Seattle
Search Deals
Southwest
  • Southwest
  • 25/9
  • 2 total stops
  • 7h 30m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 629,999 searches. Data last updated 28 July 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

Thu 3/9

10:55 a.m.-5:35 p.m.

2 stops7h 40m

Seattle/Tacoma Intl

Sat 5/9

1:55 p.m.-9:15 p.m.

1 stop6h 20m

C$ 363

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 16/10

9:42 a.m.-11:02 a.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 19/10

4:59 p.m.-8:05 p.m.

Nonstop2h 06m

C$ 363

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 13/9

8:45 p.m.-10:10 p.m.

Nonstop2h 25m

Seattle/Tacoma Intl

Sun 20/9

7:15 a.m.-10:28 a.m.

Nonstop2h 13m

C$ 363

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 16/10

8:40 p.m.-10:05 p.m.

Nonstop2h 25m

Seattle/Tacoma Intl

Mon 19/10

5:55 p.m.-9:04 p.m.

Nonstop2h 09m

C$ 363

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 3/10

3:10 p.m.-10:20 p.m.

2 stops8h 10m

Seattle/Tacoma Intl

Thu 8/10

10:30 a.m.-11:15 p.m.

2 stops11h 45m

C$ 378

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 25/8

12:45 p.m.-8:15 p.m.

2 stops8h 30m

Seattle/Tacoma Intl

Thu 27/8

3:25 p.m.-11:25 p.m.

2 stops7h 00m

C$ 391
Quickest round-trip

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 22/8

3:40 p.m.-4:54 p.m.

Nonstop2h 14m

Seattle/Tacoma Intl

Sun 30/8

5:45 a.m.-8:46 a.m.

Nonstop2h 01m

C$ 398

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 5/9

9:40 a.m.-4:14 p.m.

1 stop7h 34m

Seattle/Tacoma Intl

Sun 6/9

5:00 a.m.-1:18 p.m.

1 stop7h 18m

C$ 405

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 11/9

8:45 p.m.-10:10 p.m.

Nonstop2h 25m

Seattle/Tacoma Intl

Fri 18/9

5:45 a.m.-8:50 a.m.

Nonstop2h 05m

C$ 405

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 26/8

8:15 a.m.-9:15 p.m.

2 stops14h 00m

Seattle/Tacoma Intl

Wed 2/9

12:15 p.m.-7:18 p.m.

1 stop6h 03m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

The price you pay for your flight from Salt Lake City to Seattle 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 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 C$ 243). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 477). 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 28 July 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 88% on flights from Salt Lake City to Seattle by exploring options for tickets in the evening.

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 C$ 299 and C$ 491 in September.
The cheapest round-trip price found within the last 5 days was C$ 353 on Alaska Airlines (19 Sep-26 Sep).

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.

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

    This flight path from Salt Lake City to Seattle/Tacoma Intl was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Southwest and Alaska Airlines can get you from Salt Lake City to Seattle in just under 2h 20m. Your travel time can differ by up to 5h 20m. There are 1106 km between Salt Lake City and Seattle. This flight may include one or multiple stops.

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

    Before booking your flight to Seattle from Salt Lake City, check out the most reliable airlines to get you to your destination on time: Qatar Airways (85%), Korean Air (83%), Delta( 83%).

  • 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 C$ 243). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 477). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

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Cheapflights does show flights with no change fees to all users. To see these options for flights from Salt Lake City to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Salt Lake City to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Salt Lake City to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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