Find flights
Deals
When to book
FAQs

Cheap flights from Salt Lake City to Seattle from £52

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
6 Jan — 13 Jan1
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 53 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

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 7 December 2025.

Tue 30/1205:30SLC - SEA
Nonstop2h 30mAlaska Airlines
Mon 5/120:38SEA - SLC
Nonstop2h 08mAlaska Airlines
Deal found 5/12£88
Sat 27/1205:30SLC - SEA
Nonstop2h 30mAlaska Airlines
Mon 5/120:38SEA - SLC
Nonstop2h 08mAlaska Airlines
Deal found 5/12£110
Tue 30/1205:30SLC - SEA
Nonstop2h 30mAlaska Airlines
Thu 1/116:57SEA - SLC
Nonstop2h 05mAlaska Airlines
Deal found 5/12£125
Wed 31/1205:30SLC - SEA
Nonstop2h 30mAlaska Airlines
Sat 3/107:10SEA - SLC
Nonstop2h 06mAlaska Airlines
Deal found 6/12£133
Mon 29/1207:17SLC - SEA
Nonstop2h 48mAlaska Airlines
Thu 1/116:57SEA - SLC
Nonstop2h 05mAlaska Airlines
Deal found 5/12£148
Mon 29/1222:45SLC - SEA
Nonstop2h 35mDelta
Sat 3/105:25SEA - SLC
Nonstop2h 05mDelta
Deal found 5/12£148
Wed 31/1205:30SLC - SEA
Nonstop2h 30mAlaska Airlines
Mon 5/105:20SEA - SLC
1 stop3h 38mAlaska Airlines
Deal found 6/12£163
Sat 27/1207:17SLC - SEA
Nonstop2h 48mAlaska Airlines
Thu 1/118:09SEA - SLC
Nonstop2h 08mAlaska Airlines
Deal found 6/12£181

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 7 December 2025.

Round-trip from

£73

One-way from

£52

Popular in

July

Cheapest in

March

Average price

£148
Alaska Airlines
  • Alaska Airlines
  • 9/1-11/1
  • Nonstop
  • 4h 25m total
  • Salt Lake City to Seattle
Search Deals
Delta
  • Delta
  • 4/3
  • Nonstop
  • 2h 19m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 7 December 2025.
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 30/12

05:30-07:00

Nonstop2h 30m

Seattle/Tacoma Intl

Mon 5/1

20:38-23:46

Nonstop2h 08m

£88

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 25/1

05:40-10:25

1 stop5h 45m

Seattle/Tacoma Intl

Wed 28/1

08:45-17:30

1 stop7h 45m

£94

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 7/3

20:55-22:22

Nonstop2h 27m

Seattle/Tacoma Intl

Sat 14/3

09:26-12:28

Nonstop2h 02m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 14/3

11:07-12:25

Nonstop2h 18m

Seattle/Tacoma Intl

Thu 19/3

05:30-08:32

Nonstop2h 02m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 19/3

22:45-00:03

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 22/3

05:30-08:32

Nonstop2h 02m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 6/1

15:15-16:38

Nonstop2h 23m

Seattle/Tacoma Intl

Thu 8/1

05:25-08:29

Nonstop2h 04m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 29/1

22:45-00:09

Nonstop2h 24m

Seattle/Tacoma Intl

Sun 1/2

05:00-08:04

Nonstop2h 04m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 16/1

15:15-16:38

Nonstop2h 23m

Seattle/Tacoma Intl

Wed 21/1

13:38-16:40

Nonstop2h 02m

£103

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 17/1

07:00-08:25

Nonstop2h 25m

Seattle/Tacoma Intl

Sun 25/1

19:50-10:31

1 stop13h 41m

£106

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 30/1

11:56-14:43

1 stop3h 47m

Seattle/Tacoma Intl

Sat 7/2

08:10-11:17

Nonstop2h 07m

£106

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 24 results
1
2
3

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 5 December 2025.

To ensure you get the cheapest price possible for a flight from Salt Lake City to Seattle, you should look to book at least 53 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 £28). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £106). 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 7 December 2025.

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 7 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 25m. 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 Sun Country Air (100%), China Eastern (100%) or Air France (91%) 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, February is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £28). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £106). 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
Leavenworth
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Salt Lake City to Seattle?

Cheapflights makes it easy to find Salt Lake City to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Salt Lake City to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Salt Lake City to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Salt Lake City to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Salt Lake City to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Salt Lake City to Seattle become cheaper?

Of course! You can now track prices for flights from Salt Lake City to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.