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Cheap flights from Salt Lake City to Seattle from C$ 201

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
9 Jul — 16 Jul1
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 89 days in advance, depart on a Monday or Wednesday and return on a Saturday

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 9 June 2026.

Tue 27/108:25 a.m.
SLC
-
SEA
1 stop8h 20m
Southwest
Tue 3/116:15 a.m.
SEA
-
SLC
1 stop7h 35m
Southwest
Deal found 8/6C$ 305
Tue 4/82:45 p.m.
SLC
-
SEA
1 stop7h 30m
Southwest
Tue 11/85:55 a.m.
SEA
-
SLC
2 stops8h 05m
Southwest
Deal found 8/6C$ 310
Tue 15/97:00 a.m.
SLC
-
SEA
Nonstop2h 24m
Alaska Airlines
Tue 15/911:32 a.m.
SEA
-
SLC
1 stop6h 24m
Alaska Airlines
Deal found 4/6C$ 311
Tue 25/83:31 p.m.
SLC
-
SEA
Nonstop2h 16m
Alaska Airlines
Wed 30/99:08 a.m.
SEA
-
SLC
Nonstop2h 13m
Alaska Airlines
Deal found 7/6C$ 315
Sat 22/88:49 p.m.
SLC
-
SEA
Nonstop2h 16m
Delta
Wed 2/911:05 a.m.
SEA
-
SLC
Nonstop2h 06m
Delta
Deal found 5/6C$ 317
Tue 18/83:40 p.m.
SLC
-
SEA
1 stop6h 20m
Southwest
Sat 22/89:20 a.m.
SEA
-
SLC
1 stop8h 05m
Southwest
Deal found 8/6C$ 324
Fri 11/93:34 p.m.
SLC
-
SEA
Nonstop2h 16m
Alaska Airlines
Tue 15/911:25 a.m.
SEA
-
SLC
Nonstop2h 13m
Alaska Airlines
Deal found 4/6C$ 331
Wed 26/82:45 p.m.
SLC
-
SEA
1 stop7h 30m
Southwest
Thu 3/99:10 a.m.
SEA
-
SLC
1 stop8h 30m
Southwest
Deal found 7/6C$ 336
Wed 19/84:25 p.m.
SLC
-
SEA
2 stops8h 00m
Southwest
Mon 24/85:30 a.m.
SEA
-
SLC
1 stop4h 20m
Southwest
Deal found 8/6C$ 337

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 9 June 2026.

Round-trip from

C$ 305

One-way from

C$ 201

Popular in

May

Cheapest in

February

Average price

C$ 428
Southwest
  • Southwest
  • 27/10-3/11
  • 2 total stops
  • 15h 55m total
  • Salt Lake City to Seattle
Search Deals
Delta
  • Delta
  • 22/8
  • Nonstop
  • 2h 13m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 9 June 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

Tue 25/8

1:05 p.m.-8:15 p.m.

2 stops8h 10m

Seattle/Tacoma Intl

Wed 30/9

12:00 p.m.-7:45 p.m.

1 stop6h 45m

C$ 310

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 15/10

2:25 p.m.-8:25 p.m.

1 stop7h 00m

Seattle/Tacoma Intl

Tue 20/10

12:55 p.m.-10:20 p.m.

2 stops8h 25m

C$ 343

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 24/9

3:30 p.m.-4:50 p.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 5/10

7:59 p.m.-11:08 p.m.

Nonstop2h 09m

C$ 344

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 10/8

6:23 a.m.-7:35 a.m.

Nonstop2h 12m

Seattle/Tacoma Intl

Wed 19/8

3:50 p.m.-8:48 p.m.

1 stop3h 58m

C$ 386

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 16/8

8:20 a.m.-1:03 p.m.

1 stop5h 43m

Seattle/Tacoma Intl

Sat 22/8

9:08 a.m.-12:14 p.m.

Nonstop2h 06m

C$ 386

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 16/9

1:05 p.m.-8:15 p.m.

2 stops8h 10m

Seattle/Tacoma Intl

Wed 30/9

6:25 a.m.-3:50 p.m.

2 stops8h 25m

C$ 388
Quickest round-trip

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 17/8

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

Nonstop2h 14m

Seattle/Tacoma Intl

Sun 23/8

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

Nonstop2h 01m

C$ 393

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 9/8

8:46 p.m.-10:12 p.m.

Nonstop2h 26m

Seattle/Tacoma Intl

Sun 16/8

7:18 a.m.-10:27 a.m.

Nonstop2h 09m

C$ 428

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 22/7

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

Nonstop2h 14m

Seattle/Tacoma Intl

Sun 26/7

7:15 a.m.-10:26 a.m.

Nonstop2h 11m

C$ 428

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 23/7

8:46 p.m.-10:12 p.m.

Nonstop2h 26m

Seattle/Tacoma Intl

Thu 30/7

8:48 a.m.-11:55 a.m.

Nonstop2h 07m

C$ 428

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 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 88 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$ 240). Flying from Salt Lake City to Seattle in May is currently the most expensive (average of C$ 442). 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 9 June 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 65% on flights from Salt Lake City to Seattle by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Salt Lake City to Seattle?

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 8 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 Delta can get you from Salt Lake City to Seattle in just under 2h 14m. Your travel time can differ by up to 5h 56m. 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: Horizon Air (95%), Korean Air (94%), British Airways( 93%).

  • 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$ 240). Flying from Salt Lake City to Seattle in May is currently the most expensive (average of C$ 442). 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
Tukwila
Olympia
Marysville
Kirkland

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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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