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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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
5 Mar — 12 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 3 February 2026.

Sat 14/306:20
SLC
-
SEA
Nonstop2h 19m
Alaska Airlines
Sat 21/307:05
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 2/2£115
Tue 3/309:00
SLC
-
SEA
Nonstop2h 22m
Alaska Airlines
Sun 8/308:41
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 3/2£122
Tue 17/309:00
SLC
-
SEA
Nonstop2h 22m
Alaska Airlines
Tue 17/313:56
SEA
-
SLC
1 stop7h 15m
Alaska Airlines
Deal found 2/2£124
Thu 5/313:20
SLC
-
SEA
Nonstop2h 24m
Delta
Sun 8/309:25
SEA
-
SLC
Nonstop2h 02m
Delta
Deal found 3/2£129
Sat 14/312:42
SLC
-
SEA
1 stop5h 15m
Alaska Airlines
Tue 17/313:56
SEA
-
SLC
1 stop7h 15m
Alaska Airlines
Deal found 2/2£137
Wed 18/308:05
SLC
-
SEA
1 stop8h 52m
Alaska Airlines
Wed 18/318:59
SEA
-
SLC
Nonstop2h 06m
Alaska Airlines
Deal found 2/2£140
Sat 7/306:20
SLC
-
SEA
Nonstop2h 19m
Alaska Airlines
Sat 7/308:41
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 31/1£140
Sat 14/312:42
SLC
-
SEA
1 stop5h 15m
Alaska Airlines
Sun 22/307:05
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 2/2£144
Fri 15/523:02
SLC
-
SEA
Nonstop2h 10m
Delta
Fri 22/519:59
SEA
-
SLC
Nonstop2h 11m
Delta
Deal found 2/2£151
Mon 16/312:42
SLC
-
SEA
1 stop5h 15m
Alaska Airlines
Sat 21/307:05
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 2/2£159
Sat 4/413:55
SLC
-
SEA
Nonstop2h 14m
Delta
Fri 10/422:57
SEA
-
SLC
1 stop8h 43m
Delta
Deal found 3/2£161
Wed 1/406:00
SLC
-
SEA
Nonstop2h 21m
Alaska Airlines
Sat 4/407:05
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 2/2£162

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 3 February 2026.

Round-trip from

£115

One-way from

£65

Popular in

July

Cheapest in

March

Average price

£118
Alaska Airlines
  • Alaska Airlines
  • 14/3-18/3
  • Nonstop
  • 4h 23m total
  • Salt Lake City to Seattle
Search Deals
Southwest
  • Southwest
  • 28/2
  • 1 total stop
  • 7h 05m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 3 February 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

Tue 21/4

15:30-16:48

Nonstop2h 18m

Seattle/Tacoma Intl

Sat 25/4

17:55-21:00

Nonstop2h 05m

£115

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 3/3

15:25-16:48

Nonstop2h 23m

Seattle/Tacoma Intl

Tue 10/3

05:30-08:30

Nonstop2h 00m

£115

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 24/3

15:34-16:47

Nonstop2h 13m

Seattle/Tacoma Intl

Sat 28/3

05:30-08:31

Nonstop2h 01m

£115

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 25/2

06:20-07:39

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 1/3

20:54-23:58

Nonstop2h 04m

£122

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 26/2

06:20-07:39

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 1/3

20:54-23:58

Nonstop2h 04m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 8/3

07:55-09:15

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 30/3

05:30-08:31

Nonstop2h 01m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 23/4

15:30-16:48

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 26/4

09:50-12:59

Nonstop2h 09m

£129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 7/3

06:20-07:39

Nonstop2h 19m

Seattle/Tacoma Intl

Sat 7/3

08:41-11:48

Nonstop2h 07m

£140

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 26/2

17:40-00:10

1 stop7h 30m

Seattle/Tacoma Intl

Sun 1/3

06:15-13:05

1 stop5h 50m

£144

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 14/3

12:42-16:57

1 stop5h 15m

Seattle/Tacoma Intl

Thu 19/3

20:56-23:59

Nonstop2h 03m

£144

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 22 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 30 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 3 February 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.

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 13m. 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 (89%), WestJet (87%) or LATAM Airlines (87%) 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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