Find flights
Deals
When to book
FAQs

Cheap flights from Salt Lake City to Seattle from £67

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
22 Apr — 29 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 23 March 2026.

Fri 17/406:00
SLC
-
SEA
Nonstop2h 21m
Alaska Airlines
Mon 20/416:42
SEA
-
SLC
Nonstop2h 04m
Alaska Airlines
Deal found 19/3£118
Tue 7/416:08
SLC
-
SEA
Nonstop2h 19m
Alaska Airlines
Mon 13/418:59
SEA
-
SLC
Nonstop2h 06m
Alaska Airlines
Deal found 19/3£133
Tue 12/510:38
SLC
-
SEA
1 stop5h 17m
Alaska Airlines
Tue 12/516:23
SEA
-
SLC
Nonstop2h 14m
Alaska Airlines
Deal found 19/3£143
Tue 28/415:30
SLC
-
SEA
Nonstop2h 18m
Delta
Tue 5/505:35
SEA
-
SLC
Nonstop2h 06m
Delta
Deal found 22/3£148
Fri 10/422:45
SLC
-
SEA
Nonstop2h 18m
Delta
Sat 18/411:10
SEA
-
SLC
Nonstop2h 05m
Delta
Deal found 18/3£155
Fri 8/508:40
SLC
-
SEA
1 stop7h 15m
Alaska Airlines
Sat 16/507:05
SEA
-
SLC
Nonstop2h 10m
Alaska Airlines
Deal found 19/3£158
Fri 15/515:42
SLC
-
SEA
Nonstop2h 18m
Alaska Airlines
Tue 26/515:55
SEA
-
SLC
Nonstop2h 06m
Alaska Airlines
Deal found 19/3£159
Thu 7/514:00
SLC
-
SEA
Nonstop2h 23m
Delta
Mon 11/519:59
SEA
-
SLC
Nonstop2h 11m
Delta
Deal found 20/3£163
Tue 28/418:45
SLC
-
SEA
1 stop5h 50m
Southwest
Tue 5/511:40
SEA
-
SLC
2 stops10h 10m
Southwest
Deal found 22/3£166
Mon 4/518:08
SLC
-
SEA
1 stop20h 58m
Alaska Airlines
Tue 5/516:23
SEA
-
SLC
Nonstop2h 14m
Alaska Airlines
Deal found 20/3£167

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 23 March 2026.

Round-trip from

£118

One-way from

£67

Popular in

July

Cheapest in

February

Average price

£133

Good one-way deal

£138 or less
Alaska Airlines
  • Alaska Airlines
  • 17/4-20/4
  • Nonstop
  • 4h 25m total
  • Salt Lake City to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 21/4
  • Nonstop
  • 2h 33m 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
Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
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 23 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

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 21/4

11:04-12:25

Nonstop2h 21m

Seattle/Tacoma Intl

Sat 25/4

11:10-14:15

Nonstop2h 05m

£148

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 7/5

16:15-22:35

2 stops7h 20m

Seattle/Tacoma Intl

Sat 9/5

07:30-18:15

2 stops9h 45m

£178

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 1/5

08:11-22:53

1 stop15h 42m

Seattle/Tacoma Intl

Tue 5/5

11:27-14:41

Nonstop2h 14m

£211

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 2/6

12:25-21:00

2 stops9h 35m

Seattle/Tacoma Intl

Thu 25/6

19:10-01:25

1 stop5h 15m

£213

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 21/4

14:35-23:27

2 stops9h 52m

Seattle/Tacoma Intl

Sat 25/4

05:00-13:19

1 stop7h 19m

£219

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 14/7

18:42-20:00

Nonstop2h 18m

Seattle/Tacoma Intl

Fri 24/7

08:45-11:55

Nonstop2h 10m

£223

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 9/7

20:45-22:05

Nonstop2h 20m

Seattle/Tacoma Intl

Sun 12/7

05:45-08:49

Nonstop2h 04m

£223

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 3/9

20:45-22:05

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 7/9

19:35-22:43

Nonstop2h 08m

£223

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 11/9

13:29-14:45

Nonstop2h 16m

Seattle/Tacoma Intl

Sat 19/9

07:20-10:31

Nonstop2h 11m

£223

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 8/8

13:20-14:38

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 16/8

05:45-08:49

Nonstop2h 04m

£223

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 24 resultsSorted by cheapest first
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 13 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 £40). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £110). 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 23 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.

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 3 times in the past calendar month.

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

    Airlines like Delta, Southwest, and United Airlines fly from Salt Lake City to Seattle in about 2h 22m. The time it takes to get you to your destination can typically vary by up to 7h 30m. 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 Frontier (89%), Korean Air (88%) or KLM (87%) 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 £164 for a flight from Salt Lake City to Seattle. The cheapest flight overall is £104 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at £127.

  • 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 £40). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £110). 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

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.