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Cheap flights from Salt Lake City to Seattle from £65

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
27 Feb — 6 Mar1
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 February, booked 36 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 28 January 2026.

Sat 7/320:55
SLC
-
SEA
Nonstop2h 27m
Delta
Sat 14/317:30
SEA
-
SLC
Nonstop2h 00m
Delta
Deal found 27/1£114
Tue 24/209:00
SLC
-
SEA
Nonstop2h 22m
Alaska Airlines
Sun 1/318:58
SEA
-
SLC
Nonstop2h 04m
Alaska Airlines
Deal found 27/1£122
Wed 4/219:30
SLC
-
SEA
1 stop15h 06m
Frontier
Sun 8/221:25
SEA
-
SLC
1 stop12h 25m
Frontier
Deal found 27/1£126
Thu 26/213:20
SLC
-
SEA
Nonstop2h 24m
Delta
Sun 1/308:30
SEA
-
SLC
Nonstop2h 12m
Delta
Deal found 27/1£129
Thu 19/215:20
SLC
-
SEA
Nonstop2h 18m
Alaska Airlines
Sat 21/208:41
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 26/1£136
Tue 24/208:30
SLC
-
SEA
1 stop7h 11m
Alaska Airlines
Wed 4/315:40
SEA
-
SLC
1 stop7h 05m
Alaska Airlines
Deal found 26/1£143
Tue 24/212:45
SLC
-
SEA
Nonstop2h 14m
Alaska Airlines
Tue 3/315:40
SEA
-
SLC
1 stop7h 05m
Alaska Airlines
Deal found 26/1£151
Fri 8/520:31
SLC
-
SEA
Nonstop2h 27m
Alaska Airlines
Sat 16/508:30
SEA
-
SLC
1 stop11h 24m
Alaska Airlines
Deal found 27/1£153
Sat 28/206:20
SLC
-
SEA
Nonstop2h 19m
Alaska Airlines
Sat 28/211:20
SEA
-
SLC
Nonstop2h 06m
Alaska Airlines
Deal found 26/1£154
Tue 24/213:55
SLC
-
SEA
1 stop5h 31m
United Airlines
Tue 3/312:32
SEA
-
SLC
1 stop6h 02m
United Airlines
Deal found 25/1£158
Mon 23/215:25
SLC
-
SEA
Nonstop2h 23m
Delta
Sun 1/305:30
SEA
-
SLC
Nonstop2h 03m
Delta
Deal found 27/1£159

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 28 January 2026.

Round-trip from

£114

One-way from

£65

Popular in

July

Cheapest in

March

Average price

£151
Delta
  • Delta
  • 28/3-1/4
  • Nonstop
  • 4h 26m total
  • Salt Lake City to Seattle
Search Deals
Southwest
  • Southwest
  • 28/3
  • 1 total stop
  • 7h 50m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 January 2026.
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 9/5

15:35-16:52

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 16/5

05:45-08:49

Nonstop2h 04m

£114

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 25/2

12:45-13:59

Nonstop2h 14m

Seattle/Tacoma Intl

Sat 28/2

11:20-14:26

Nonstop2h 06m

£114

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 13/5

22:45-00:01

Nonstop2h 16m

Seattle/Tacoma Intl

Sun 17/5

05:45-08:49

Nonstop2h 04m

£122

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 24/2

09:00-10:22

Nonstop2h 22m

Seattle/Tacoma Intl

Sun 1/3

18:58-22:02

Nonstop2h 04m

£122

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 2/3

17:10-18:29

Nonstop2h 19m

Seattle/Tacoma Intl

Sat 7/3

11:15-14:17

Nonstop2h 02m

£122

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 26/2

11:14-12:28

Nonstop2h 14m

Seattle/Tacoma Intl

Sun 1/3

20:54-23:58

Nonstop2h 04m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 20/3

15:34-16:47

Nonstop2h 13m

Seattle/Tacoma Intl

Sun 22/3

05:30-08:31

Nonstop2h 01m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 21/2

06:20-07:39

Nonstop2h 19m

Seattle/Tacoma Intl

Wed 25/2

20:54-23:58

Nonstop2h 04m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 25/2

22:45-00:09

Nonstop2h 24m

Seattle/Tacoma Intl

Tue 3/3

08:30-11:42

Nonstop2h 12m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 27/3

22:45-00:03

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 29/3

05:30-08:31

Nonstop2h 01m

£129

Flights are sorted by cheapest return flights first.

Deals found on 27/1

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 return 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 return flight from Salt Lake City to Seattle. Price data was last updated on 23 January 2026.

To ensure you get the cheapest price possible for a flight from Salt Lake City to Seattle, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Salt Lake City to Seattle?

Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £27). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £103). 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 28 January 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 71% on flights from Salt Lake City to Seattle by exploring options for tickets in the evening.

How much does it cost for a return flight 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?

    Flights from Salt Lake City to Seattle/Tacoma Intl have been viewed 5 times in the past calendar month.

  • How long is the flight from Salt Lake City to Seattle?

    Airlines like Alaska Airlines and Delta fly from Salt Lake City to Seattle in about 2h 22m. The time it takes to get you to your destination is usually consistent. There are 687 mi between Salt Lake City and Seattle. Generally, flights for this route are direct.

  • What are the most reliable airlines from Salt Lake City to Seattle?

    No one likes to see their flight delayed. When booking a flight from Salt Lake City to Seattle consider choosing Korean Air (88%), LATAM Airlines (87%) or WestJet (85%) as they are the most reliable in getting you off to your destination on time.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £27). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £103). 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
Tacoma
Federal Way
SeaTac

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