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Cheap flights from Salt Lake City to Seattle from C$ 126

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
9 Apr — 16 Apr1
1 adult

Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in January or February, 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 4 April 2025.

Round-trip from

C$ 250

One-way from

C$ 126

Popular in

July

Cheapest in

January

Average price

C$ 334

Good round-trip deal

C$ 151 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 17/5-20/5
  • Nonstop
  • 4h 20m total
  • Salt Lake City to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 21/5
  • Nonstop
  • 2h 16m total
  • Salt Lake City to Seattle
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Highest demand for flights based on searches. 18% potential increase in price (C$ 109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Salt Lake City to Seattle/Tacoma Intl.
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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 4 April 2025.

Sat 17/57:38 p.m.SLC - SEA
Nonstop2h 16mHawaiian Airlines
Tue 20/53:35 p.m.SEA - SLC
Nonstop2h 04mHawaiian Airlines
Deal found 4/4C$ 250
Sat 10/51:55 p.m.SLC - SEA
1 stop19h 10mAlaska Airlines
Sun 11/511:34 a.m.SEA - SLC
Nonstop2h 02mAlaska Airlines
Deal found 3/4C$ 264
Sat 10/59:55 p.m.SLC - SEA
Nonstop2h 23mDelta
Mon 19/55:30 a.m.SEA - SLC
Nonstop2h 04mDelta
Deal found 4/4C$ 278
Wed 7/54:50 p.m.SLC - SEA
2 stops8h 00mSouthwest
Mon 12/56:00 a.m.SEA - SLC
1 stop7h 05mSouthwest
Deal found 2/4C$ 314
Mon 21/42:36 p.m.SLC - SEA
1 stop21h 59mSpirit Airlines
Wed 23/412:30 p.m.SEA - SLC
1 stop23h 59mSpirit Airlines
Deal found 3/4C$ 365
Sat 3/55:10 a.m.SLC - SEA
1 stop5h 37mUnited Airlines
Sat 10/57:00 a.m.SEA - SLC
2 stops11h 13mUnited Airlines
Deal found 3/4C$ 413

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 4 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

Sat 17/5

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

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 20/5

3:35 p.m.-6:39 p.m.

Nonstop2h 04m

C$ 250

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 10/5

1:55 p.m.-8:05 a.m.

1 stop19h 10m

Seattle/Tacoma Intl

Sun 11/5

11:34 a.m.-2:36 p.m.

Nonstop2h 02m

C$ 264

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 10/5

9:55 p.m.-11:18 p.m.

Nonstop2h 23m

Seattle/Tacoma Intl

Mon 19/5

5:30 a.m.-8:34 a.m.

Nonstop2h 04m

C$ 278

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 7/5

4:50 p.m.-11:50 p.m.

2 stops8h 00m

Seattle/Tacoma Intl

Mon 12/5

6:00 a.m.-2:05 p.m.

1 stop7h 05m

C$ 314

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 21/4

2:36 p.m.-11:35 a.m.

1 stop21h 59m

Seattle/Tacoma Intl

Wed 23/4

12:30 p.m.-1:29 p.m.

1 stop23h 59m

C$ 365

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 3/5

5:10 a.m.-9:47 a.m.

1 stop5h 37m

Seattle/Tacoma Intl

Sat 10/5

7:00 a.m.-7:13 p.m.

2 stops11h 13m

C$ 413

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 21/5

7:33 p.m.-8:49 p.m.

Nonstop2h 16m

C$ 126

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 30/4

6:30 a.m.-11:25 a.m.

1 stop5h 55m

C$ 140

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 5/5

10:45 p.m.-12:02 a.m.

Nonstop2h 17m

C$ 154

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 21/5

8:40 p.m.-12:59 a.m.

1 stop5h 19m

C$ 204

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 11 results
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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 28 March 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 4 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 4 April 2025.

The most flights from SLC to SEA are scheduled on a Wednesday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 4 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
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
9,839 reviews
Alaska Airlines
8.0
Very good
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
4,276 reviews
Alaska Airlines
8.0
Very good
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
7,900 reviews
Alaska Airlines
8.0
Very good
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
2,349 reviews
Alaska Airlines
8.0
Very good
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
8,618 reviews
Alaska Airlines
8.0
Very good
9,839 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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 11 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$ 250, Hawaiian Airlines will fly you from Salt Lake City to Seattle and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from C$ 264 and C$ 278, respectively. Hawaiian Airlines is currently priced 25% 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 Alaska Airlines. According to our data, you can fly for as low as C$ 126. Users have also found prices from C$ 140 and C$ 154 on Southwest and Delta, 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: Korean Air (99%), China Eastern (98%), SkyWest Airlines( 95%).

  • 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$ 788, our data shows the cheapest flight currently is C$ 125. When looking at the most popular route, (Salt Lake City - Seattle/Tacoma Intl), you can expect to pay C$ 448 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, 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
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

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