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Cheap flights from Salt Lake City to Seattle from £67

SLC — SEA
29 Nov — 6 Dec1
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

Fri 4/1216:10 -
1 stop5h 45m
Sun 6/1209:10 -
1 stop5h 20m
Deal found 30/10£133
Wed 2/1216:10 -
1 stop5h 45m
Wed 9/1211:35 -
1 stop10h 00m
Deal found 29/10£136
Sat 12/1211:03 -
1 stop5h 40m
Sat 19/1213:37 -
1 stop5h 22m
Deal found 28/10£137
Sun 6/1222:35 -
Nonstop2h 30m
Sun 13/1205:30 -
Nonstop2h 04m
Deal found 29/10£140
Thu 3/1211:05 -
1 stop5h 55m
Sun 6/1207:30 -
2 stops14h 05m
Deal found 29/10£141
Fri 11/1222:35 -
Nonstop2h 30m
Tue 22/1205:20 -
Nonstop2h 02m
Deal found 28/10£155
Mon 7/1218:04 -
2 stops15h 12m
Tue 8/1211:25 -
Nonstop2h 01m
Deal found 27/10£158
Sat 5/1209:00 -
1 stop13h 57m
Mon 7/1215:24 -
Nonstop2h 00m
Deal found 29/10£159
Wed 18/1107:00 -
Nonstop2h 30m
Wed 18/1111:43 -
1 stop23h 17m
Deal found 26/10£160
Thu 10/1219:20 -
Nonstop2h 39m
Mon 4/110:48 -
Nonstop2h 03m
Deal found 30/10£163

Find flight deals from Salt Lake City to Seattle

Round-trip from

£133

One-way from

£67

Popular in

July

Cheapest in

February

Average price

£231

Good one-way deal

£323 or less
Southwest
  • Southwest
  • 3/12-6/12
  • 2 total stops
  • 13h 45m total
  • Salt Lake City to Seattle
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Southwest
  • Southwest
  • 4/12-31/12
  • 1 total stop
  • 5h 45m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£42 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 October 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

Fri 4/12

16:10-20:55

1 stop5h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£67

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 4/12

22:35-00:05

Nonstop2h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£82

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 4/12

19:20-20:59

Nonstop2h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£104

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 19/12

21:20-01:35

1 stop5h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£104

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 10/3

12:25-18:50

2 stops7h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£108

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 27/2

12:30-21:40

2 stops10h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£108

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 5/1

14:50-22:20

2 stops8h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£108

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 5/3

12:50-16:30

1 stop4h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£112
Fastest return journey

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 2/12

17:31-18:47

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£119

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 19/12

22:45-00:10

Nonstop2h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£119

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 21 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 60 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 £130). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £255). 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 typical for this route at the moment.

Salt Lake City to Seattle flights typically cost between £122 and £267 in December.
The cheapest return price found within the last 5 days was £133 on Southwest (4 Dec–6 Dec).

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 1 times in the past calendar month.

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

    Airlines like Southwest and Alaska Airlines fly from Salt Lake City to Seattle in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 5h 55m. 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 Cathay Pacific (96%), Delta (86%) or Aeromexico (85%) 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 £335 for a flight from Salt Lake City to Seattle. The cheapest flight overall is £114 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at £211.

  • 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 £130). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £255). 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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