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Cheap flights from Salt Lake City to Seattle 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
10 Apr — 17 Apr1
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 36 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 11 March 2026.

Wed 29/47:30 p.m.
SLC
-
SEA
1 stop5h 25m
Southwest
Wed 6/511:35 a.m.
SEA
-
SLC
2 stops7h 50m
Southwest
Deal found 11/3C$ 212
Wed 15/411:04 a.m.
SLC
-
SEA
Nonstop2h 21m
Delta
Sat 18/45:55 p.m.
SEA
-
SLC
Nonstop2h 05m
Delta
Deal found 9/3C$ 213
Wed 15/411:04 a.m.
SLC
-
SEA
Nonstop2h 21m
Delta
Sun 19/41:30 p.m.
SEA
-
SLC
Nonstop2h 10m
Delta
Deal found 9/3C$ 227
Tue 21/46:25 p.m.
SLC
-
SEA
1 stop5h 30m
Southwest
Tue 28/411:35 a.m.
SEA
-
SLC
2 stops7h 50m
Southwest
Deal found 10/3C$ 229
Thu 7/58:41 p.m.
SLC
-
SEA
Nonstop2h 22m
Delta
Fri 15/55:45 p.m.
SEA
-
SLC
Nonstop2h 11m
Delta
Deal found 9/3C$ 240
Wed 15/44:30 p.m.
SLC
-
SEA
2 stops7h 25m
Southwest
Sat 18/410:50 a.m.
SEA
-
SLC
1 stop6h 25m
Southwest
Deal found 9/3C$ 247
Sat 4/48:45 p.m.
SLC
-
SEA
Nonstop2h 18m
Delta
Thu 9/45:30 a.m.
SEA
-
SLC
Nonstop2h 01m
Delta
Deal found 9/3C$ 254
Wed 22/44:30 p.m.
SLC
-
SEA
2 stops8h 25m
Southwest
Wed 29/411:35 a.m.
SEA
-
SLC
1 stop8h 35m
Southwest
Deal found 8/3C$ 255
Wed 15/411:06 a.m.
SLC
-
SEA
Nonstop2h 20m
Alaska Airlines
Sat 18/48:42 p.m.
SEA
-
SLC
1 stop12h 23m
Alaska Airlines
Deal found 7/3C$ 259
Fri 24/46:00 p.m.
SLC
-
SEA
1 stop7h 55m
Southwest
Tue 28/46:50 a.m.
SEA
-
SLC
2 stops7h 00m
Southwest
Deal found 10/3C$ 261

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 11 March 2026.

Round-trip from

C$ 212

One-way from

C$ 121

Popular in

July

Cheapest in

February

Average price

C$ 240

Good one-way deal

C$ 220 or less
Southwest
  • Southwest
  • 29/4-6/5
  • 3 total stops
  • 13h 15m total
  • Salt Lake City to Seattle
Search Deals
Southwest
  • Southwest
  • 7/4
  • 1 total stop
  • 6h 45m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
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 11 March 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

Wed 15/4

7:51 a.m.-9:15 a.m.

Nonstop2h 24m

Seattle/Tacoma Intl

Sat 18/4

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

Nonstop2h 10m

C$ 213

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 29/4

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

Nonstop2h 14m

Seattle/Tacoma Intl

Tue 5/5

5:35 a.m.-8:41 a.m.

Nonstop2h 06m

C$ 213

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 7/4

7:55 a.m.-9:15 a.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 13/4

7:35 p.m.-10:41 p.m.

Nonstop2h 06m

C$ 227

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 21/4

4:30 p.m.-10:55 p.m.

2 stops7h 25m

Seattle/Tacoma Intl

Tue 28/4

7:35 a.m.-4:10 p.m.

2 stops7h 35m

C$ 236

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 16/4

7:51 a.m.-9:15 a.m.

Nonstop2h 24m

Seattle/Tacoma Intl

Sun 19/4

11:10 a.m.-2:15 p.m.

Nonstop2h 05m

C$ 240

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 23/4

1:25 p.m.-2:46 p.m.

Nonstop2h 21m

Seattle/Tacoma Intl

Sun 26/4

5:35 a.m.-8:40 a.m.

Nonstop2h 05m

C$ 240

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 16/4

7:03 a.m.-8:36 a.m.

Nonstop2h 33m

Seattle/Tacoma Intl

Sun 19/4

7:10 a.m.-5:40 p.m.

1 stop9h 30m

C$ 300

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 18/6

10:45 p.m.-12:01 a.m.

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 23/6

5:45 p.m.-8:53 p.m.

Nonstop2h 08m

C$ 349

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 23/6

8:45 p.m.-10:05 p.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 6/7

5:45 a.m.-8:49 a.m.

Nonstop2h 04m

C$ 349
Quickest round-trip

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 4/6

11:02 p.m.-12:10 a.m.

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 7/6

7:20 a.m.-10:31 a.m.

Nonstop2h 11m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 23 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?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Seattle. Price data was last updated on 6 March 2026.

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 36 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, November is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of C$ 73). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 197). 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 11 March 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 79% on flights from Salt Lake City to Seattle by exploring options for tickets in the afternoon.

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 11 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?

    Delta and Alaska Airlines can get you from Salt Lake City to Seattle in just under 2h 24m. Your travel time will be generally consistent. There are 1106 km between Salt Lake City and Seattle. All flights are typically direct.

  • 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: Volaris (100%), Icelandair (92%), Korean Air( 92%).

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

    While on average a flight from Salt Lake City to Seattle is generally C$ 302, our data shows the cheapest flight currently is C$ 218. When looking at the most popular route, (Salt Lake City - Seattle/Tacoma Intl), you can expect to pay C$ 676 for that flight.

  • 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, November is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of C$ 73). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 197). 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
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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Can Cheapflights find flights from Salt Lake City to Seattle with no change fees?

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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