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Cheap flights from Salt Lake City to Seattle from £61

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in February or January, booked 36 days in advance, depart on a Monday or Tuesday 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 13 March 2026.

Wed 29/419:30
SLC
-
SEA
1 stop5h 25m
Southwest
Wed 6/511:35
SEA
-
SLC
2 stops7h 50m
Southwest
Deal found 11/3£117
Wed 15/411:04
SLC
-
SEA
Nonstop2h 21m
Delta
Sat 18/417:55
SEA
-
SLC
Nonstop2h 05m
Delta
Deal found 9/3£118
Wed 15/411:04
SLC
-
SEA
Nonstop2h 21m
Delta
Sun 19/413:30
SEA
-
SLC
Nonstop2h 10m
Delta
Deal found 9/3£126
Thu 9/411:06
SLC
-
SEA
Nonstop2h 20m
Hawaiian Airlines
Thu 16/420:56
SEA
-
SLC
Nonstop2h 03m
Hawaiian Airlines
Deal found 11/3£127
Tue 21/418:25
SLC
-
SEA
1 stop5h 30m
Southwest
Tue 28/411:35
SEA
-
SLC
2 stops7h 50m
Southwest
Deal found 10/3£127
Thu 14/523:02
SLC
-
SEA
Nonstop2h 10m
Delta
Thu 21/505:30
SEA
-
SLC
Nonstop2h 08m
Delta
Deal found 9/3£133
Mon 11/518:00
SLC
-
SEA
1 stop7h 55m
Southwest
Sat 16/507:30
SEA
-
SLC
2 stops9h 45m
Southwest
Deal found 12/3£135
Tue 7/418:25
SLC
-
SEA
1 stop5h 30m
Southwest
Tue 14/407:35
SEA
-
SLC
2 stops7h 35m
Southwest
Deal found 10/3£137
Fri 8/513:40
SLC
-
SEA
2 stops12h 15m
Southwest
Sat 16/506:25
SEA
-
SLC
1 stop5h 10m
Southwest
Deal found 12/3£139
Sat 4/420:45
SLC
-
SEA
Nonstop2h 18m
Delta
Thu 9/405:30
SEA
-
SLC
Nonstop2h 01m
Delta
Deal found 9/3£141

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 13 March 2026.

Round-trip from

£117

One-way from

£61

Popular in

July

Cheapest in

February

Average price

£133
Southwest
  • Southwest
  • 29/4-6/5
  • 3 total stops
  • 13h 15m total
  • Salt Lake City to Seattle
Search Deals
Southwest
  • Southwest
  • 5/5
  • 2 total stops
  • 8h 55m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 23% 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 March 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 13 March 2026.
Use the filters below to find and compare flights from Salt Lake City to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 5/4

13:40-14:54

Nonstop2h 14m

Seattle/Tacoma Intl

Wed 8/4

05:30-08:31

Nonstop2h 01m

£156

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 26/4

07:51-09:15

Nonstop2h 24m

Seattle/Tacoma Intl

Wed 29/4

05:35-08:41

Nonstop2h 06m

£171

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 4/4

18:38-07:02

1 stop13h 24m

Seattle/Tacoma Intl

Thu 9/4

07:05-10:12

Nonstop2h 07m

£211

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 22/4

08:11-21:45

1 stop14h 34m

Seattle/Tacoma Intl

Wed 29/4

20:48-23:59

Nonstop2h 11m

£215

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 14/5

19:44-18:54

1 stop24h 10m

Seattle/Tacoma Intl

Thu 21/5

11:32-14:48

Nonstop2h 16m

£219

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 26/5

18:25-22:55

1 stop5h 30m

Seattle/Tacoma Intl

Sat 30/5

06:40-13:45

1 stop6h 05m

£224

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 17/7

22:45-00:01

Nonstop2h 16m

Seattle/Tacoma Intl

Fri 24/7

05:45-08:49

Nonstop2h 04m

£224

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 17/4

10:55-17:00

2 stops7h 05m

Seattle/Tacoma Intl

Tue 21/4

07:35-16:10

2 stops7h 35m

£246

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 24/8

08:25-12:52

1 stop5h 27m

Seattle/Tacoma Intl

Mon 31/8

16:47-19:52

Nonstop2h 05m

£246

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 29/5

13:40-00:55

2 stops12h 15m

Seattle/Tacoma Intl

Fri 5/6

14:25-01:20

2 stops9h 55m

£251

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 23 resultsSorted by cheapest first
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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 6 March 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, November is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £41). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £109). 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 13 March 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 4 times in the past calendar month.

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

    Airlines like Delta and Alaska Airlines fly from Salt Lake City to Seattle in about 2h 17m. 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 Volaris (100%), Icelandair (92%) or Korean Air (92%) 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, November is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £41). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £109). 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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