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Cheap flights from Salt Lake City to Seattle from £106

SLC — SEA
14 Oct — 21 Oct1
1 adult
1 adult, Economy, 0 bags

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

Thu 22/1008:23 -
2 stops6h 33m
Sun 25/1007:18 -
Nonstop2h 15m
Deal found 10/9£148
Tue 6/1017:40 -
Nonstop2h 22m
Thu 8/1005:30 -
Nonstop2h 05m
Deal found 10/9£154
Fri 16/1015:02 -
Nonstop2h 15m
Thu 29/1008:40 -
1 stop13h 21m
Deal found 10/9£155
Sat 7/1108:20 -
2 stops10h 34m
Tue 10/1110:13 -
2 stops9h 26m
Deal found 10/9£158
Sun 1/1111:27 -
Nonstop2h 18m
Tue 10/1110:11 -
Nonstop2h 13m
Deal found 10/9£160
Wed 7/1007:53 -
2 stops11h 40m
Sun 11/1007:18 -
Nonstop2h 15m
Deal found 10/9£163
Mon 19/1018:07 -
1 stop6h 30m
Mon 26/1020:48 -
Nonstop2h 03m
Deal found 10/9£168
Wed 7/1007:53 -
1 stop7h 24m
Wed 14/1008:00 -
2 stops14h 01m
Deal found 10/9£169
Fri 16/1006:05 -
Nonstop2h 21m
Mon 26/1014:59 -
1 stop5h 47m
Deal found 10/9£170
Fri 16/1009:42 -
Nonstop2h 20m
Mon 19/1007:20 -
1 stop14h 41m
Deal found 10/9£174
Wed 7/1020:40 -
Nonstop2h 25m
Mon 12/1019:55 -
Nonstop2h 06m
Deal found 10/9£175
Fri 11/1211:44 -
2 stops10h 17m
Sun 13/1219:59 -
1 stop14h 11m
Deal found 10/9£176

Find flight deals from Salt Lake City to Seattle

Round-trip from

£148

One-way from

£106

Popular in

July

Cheapest in

February

Average price

£220

Good one-way deal

£319 or less
Alaska Airlines
  • Alaska Airlines
  • 22/10-25/10
  • 2 total stops
  • 8h 48m total
  • Salt Lake City to Seattle
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Southwest
  • Southwest
  • 21/10-31/12
  • 2 total stops
  • 7h 30m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£46 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
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Cheapflights Fare Finder

 
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

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 9/3

18:30-23:00

1 stop5h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£110

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 8/12

19:20-20:59

Nonstop2h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£118

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sun 7/3

18:30-07:09

1 stop13h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£123
Fastest return journey

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 11/11

17:25-18:41

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£125

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 9/3

15:10-22:35

2 stops8h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£129

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 3/12

22:35-00:06

Nonstop2h 31m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£132

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 10/12

17:31-18:53

Nonstop2h 22m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£132

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 12/11

11:27-12:45

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£132

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Mon 8/3

18:30-06:15

2 stops12h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£135

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 11/3

11:00-12:24

Nonstop2h 24m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£154

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 22 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

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?

To ensure you get the cheapest price possible for a flight from Salt Lake City to Seattle, you should look to book at least 24 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, February is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £127). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £251). 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?

Unlike at midday, when flights are generally more expensive, you can save up to 84% 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?

Airfare is below average for this route at the moment.

Salt Lake City to Seattle flights typically cost between £188 and £303 in October.
The cheapest return price found within the last 5 days was £148 on Alaska Airlines (22 Oct–25 Oct).

Related info for your journey

  • How popular is this Salt Lake City to Seattle flight route?

    Flights from Salt Lake City to Seattle/Tacoma Intl have been viewed 2 times in the past calendar month.

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

    Airlines like Alaska Airlines, Southwest, and Delta fly from Salt Lake City to Seattle in about 2h 16m. The time it takes to get you to your destination can typically vary by up to 5h 49m. There are 687 mi between Salt Lake City and Seattle. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Air France (83%), Korean Air (76%) or Qatar Airways (76%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Salt Lake City to Seattle?

    On average you can expect to pay £330 for a flight from Salt Lake City to Seattle. The cheapest flight overall is £113 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at £120.

  • 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, February is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £127). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £251). 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
Federal Way
SeaTac

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