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Cheap flights from Salt Lake City to Seattle 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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
30 Apr — 7 May1
1 adult

Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in March or January, booked 40 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap 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 25 April 2025.

Round-trip from

C$ 245

One-way from

C$ 123

Popular in

July

Cheapest in

March

Average price

C$ 301
Delta
  • Delta
  • 27/5-31/5
  • Nonstop
  • 4h 19m total
  • Salt Lake City to Seattle
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Delta
  • Delta
  • 17/5
  • Nonstop
  • 2h 17m total
  • Salt Lake City to Seattle
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Highest demand for flights based on searches. 21% potential increase in price (C$ 118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Salt Lake City to Seattle

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 25 April 2025.

Tue 27/510:45 p.m.SLC - SEA
Nonstop2h 14mDelta
Sat 31/57:10 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 25/4C$ 245
Sat 24/53:37 p.m.SLC - SEA
Nonstop2h 12mHawaiian Airlines
Sat 31/58:17 p.m.SEA - SLC
Nonstop2h 01mHawaiian Airlines
Deal found 25/4C$ 287
Wed 11/66:48 a.m.SLC - SEA
Nonstop2h 22mAlaska Airlines
Wed 11/610:12 a.m.SEA - SLC
2 stops9h 16mAlaska Airlines
Deal found 24/4C$ 306
Mon 9/68:30 p.m.SLC - SEA
1 stop5h 55mSouthwest
Fri 13/66:15 a.m.SEA - SLC
1 stop9h 30mSouthwest
Deal found 25/4C$ 336
Fri 30/54:39 p.m.SLC - SEA
1 stop5h 32mUnited Airlines
Mon 2/69:45 a.m.SEA - SLC
1 stop7h 03mUnited Airlines
Deal found 25/4C$ 426

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 25 April 2025.
Use the filters below to find and compare flights from Salt Lake City to Seattle that are best for you.

Fly from

Salt Lake City

Fly to

Seattle

Route

Depart

Return

Price

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 27/5

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

Nonstop2h 14m

Seattle/Tacoma Intl

Sat 31/5

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

Nonstop2h 05m

C$ 245

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 24/5

7:38 p.m.-8:54 p.m.

Nonstop2h 16m

Seattle/Tacoma Intl

Sat 31/5

5:05 p.m.-8:09 p.m.

Nonstop2h 04m

C$ 287

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 11/6

6:48 a.m.-8:10 a.m.

Nonstop2h 22m

Seattle/Tacoma Intl

Wed 11/6

10:12 a.m.-8:28 p.m.

2 stops9h 16m

C$ 306

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 9/6

8:30 p.m.-1:25 a.m.

1 stop5h 55m

Seattle/Tacoma Intl

Fri 13/6

6:15 a.m.-4:45 p.m.

1 stop9h 30m

C$ 336

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 30/5

4:39 p.m.-9:11 p.m.

1 stop5h 32m

Seattle/Tacoma Intl

Mon 2/6

9:45 a.m.-5:48 p.m.

1 stop7h 03m

C$ 426

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 27/5

7:10 a.m.-1:59 p.m.

1 stop7h 49m

Seattle/Tacoma Intl

Thu 29/5

1:10 a.m.-3:26 p.m.

1 stop13h 16m

C$ 846

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 17/5

3:30 p.m.-4:47 p.m.

Nonstop2h 17m

C$ 123

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 16/5

8:42 p.m.-9:58 p.m.

Nonstop2h 16m

C$ 151

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 30/5

4:39 p.m.-9:11 p.m.

1 stop5h 32m

C$ 165

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 23/6

2:45 p.m.-12:34 a.m.

1 stop10h 49m

C$ 204

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 13 results
1
2

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 18 April 2025.

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 40 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, January is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of C$ 261). Flying from Salt Lake City to Seattle in December is currently the most expensive (average of C$ 353). 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 25 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 63% on flights from Salt Lake City to Seattle by exploring options for tickets at noon.

Weekly flight availability from Salt Lake City to Seattle

Explore weekly flight availability from Salt Lake City to Seattle. 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 25 April 2025.

The most flights from SLC to SEA are scheduled on a Friday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 25 April 2025.
Read through reviews of airlines operating flights from Salt Lake City to Seattle, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at C$ 245, Delta will fly you from Salt Lake City to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Alaska Airlines - these airlines can fly you to your destination from C$ 287 and C$ 306, respectively. Delta is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Salt Lake City to Seattle one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 123. Users have also found prices from C$ 151 and C$ 165 on Alaska Airlines and United Airlines, respectively.

  • 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: WestJet (95%), China Eastern (95%), Delta( 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, January is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of C$ 261). Flying from Salt Lake City to Seattle in December is currently the most expensive (average of C$ 353). 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 Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Olympia
Lynnwood
Leavenworth

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