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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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
28 nov. — 5 dic.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in March or January, booked 53 days in advance, depart on a Friday or Thursday and return on a Sunday

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 29 octubre 2025.

Round-trip from

C$ 219

One-way from

C$ 123

Popular in

July

Cheapest in

March

Average price

C$ 275
Delta
  • Delta
  • 18/11-25/11
  • Nonstop
  • 4h 24m total
  • Salt Lake City to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 20/1
  • 1 total stop
  • 4h 13m total
  • Salt Lake City to Seattle
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Highest demand for flights based on searches. 24% potential increase in price (C$ 141 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 29 octubre 2025.

mar. 18/112:01 p.m.SLC - SEA
Nonstop2h 20mAlaska Airlines
mar. 18/116:05 p.m.SEA - SLC
1 stop23h 31mAlaska Airlines
Deal found 27/10C$ 219
mié. 19/1111:30 a.m.SLC - SEA
Nonstop2h 26mDelta
dom. 23/115:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 29/10C$ 233
jue. 20/118:47 p.m.SLC - SEA
Nonstop2h 35mAlaska Airlines
lun. 24/115:00 p.m.SEA - SLC
Nonstop2h 02mAlaska Airlines
Deal found 28/10C$ 247
mié. 24/123:15 p.m.SLC - SEA
Nonstop2h 18mDelta
vie. 2/15:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 28/10C$ 261
mié. 19/117:20 a.m.SLC - SEA
Nonstop2h 37mAlaska Airlines
mié. 19/1111:21 a.m.SEA - SLC
Nonstop2h 07mAlaska Airlines
Deal found 27/10C$ 267
mar. 18/116:51 p.m.SLC - SEA
1 stop5h 41mAlaska Airlines
lun. 24/117:09 a.m.SEA - SLC
Nonstop2h 09mAlaska Airlines
Deal found 28/10C$ 275
mié. 19/117:50 a.m.SLC - SEA
1 stop8h 45mDelta
mar. 25/115:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 28/10C$ 281
mié. 19/113:22 p.m.SLC - SEA
Nonstop2h 22mAlaska Airlines
jue. 27/113:55 p.m.SEA - SLC
Nonstop2h 08mAlaska Airlines
Deal found 28/10C$ 282
lun. 24/113:34 p.m.SLC - SEA
Nonstop2h 21mDelta
mié. 26/115:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 27/10C$ 289
jue. 20/1110:45 p.m.SLC - SEA
Nonstop2h 26mDelta
jue. 27/117:15 a.m.SEA - SLC
1 stop24h 09mDelta
Deal found 28/10C$ 295
jue. 18/128:56 p.m.SLC - SEA
Nonstop2h 29mAlaska Airlines
mar. 30/126:09 p.m.SEA - SLC
Nonstop2h 08mAlaska Airlines
Deal found 28/10C$ 296
mar. 18/113:34 p.m.SLC - SEA
Nonstop2h 21mDelta
mié. 26/115:25 a.m.SEA - SLC
Nonstop2h 05mDelta
Deal found 28/10C$ 303

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 29 octubre 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

jue. 25/12

9:50 p.m.-11:27 p.m.

Nonstop2h 37m

Seattle/Tacoma Intl

mar. 6/1

5:25 a.m.-8:29 a.m.

Nonstop2h 04m

C$ 233

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

sáb. 22/11

8:59 p.m.-10:24 p.m.

Nonstop2h 25m

Seattle/Tacoma Intl

lun. 24/11

5:00 p.m.-8:02 p.m.

Nonstop2h 02m

C$ 233

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

jue. 25/12

9:50 p.m.-11:27 p.m.

Nonstop2h 37m

Seattle/Tacoma Intl

mié. 31/12

5:25 a.m.-8:30 a.m.

Nonstop2h 05m

C$ 233

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

mié. 19/11

7:45 a.m.-9:19 a.m.

Nonstop2h 34m

Seattle/Tacoma Intl

dom. 23/11

5:25 a.m.-8:30 a.m.

Nonstop2h 05m

C$ 233

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

jue. 5/3

10:45 p.m.-12:11 a.m.

Nonstop2h 26m

Seattle/Tacoma Intl

mar. 10/3

1:30 p.m.-4:38 p.m.

Nonstop2h 08m

C$ 233

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

jue. 26/2

5:50 p.m.-7:02 p.m.

Nonstop2h 12m

Seattle/Tacoma Intl

dom. 1/3

5:40 p.m.-8:37 p.m.

Nonstop1h 57m

C$ 247

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

vie. 19/12

10:45 p.m.-12:20 a.m.

Nonstop2h 35m

Seattle/Tacoma Intl

jue. 25/12

5:25 a.m.-8:30 a.m.

Nonstop2h 05m

C$ 247

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

jue. 5/3

10:45 p.m.-12:11 a.m.

Nonstop2h 26m

Seattle/Tacoma Intl

lun. 9/3

7:35 p.m.-10:38 p.m.

Nonstop2h 03m

C$ 247

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

jue. 25/12

3:15 p.m.-4:33 p.m.

Nonstop2h 18m

Seattle/Tacoma Intl

jue. 1/1

1:35 p.m.-4:40 p.m.

Nonstop2h 05m

C$ 247

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

sáb. 24/1

8:20 a.m.-11:33 a.m.

1 stop4h 13m

C$ 123

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 20 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 24 October 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 53 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$ 52). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 198). 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 29 octubre 2025.

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.

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 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 25m. 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: Sun Country Air (100%), China Eastern (100%), Qatar Airways( 90%).

  • 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$ 52). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of C$ 198). 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
Leavenworth
SeaTac
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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