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Cheap flights from Salt Lake City to Seattle from £73

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
24 May — 31 May1
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 24 April 2026.

Wed 13/509:27
SLC
-
SEA
Nonstop2h 27m
Alaska Airlines
Mon 18/519:50
SEA
-
SLC
Nonstop2h 07m
Alaska Airlines
Deal found 22/4£102
Thu 11/621:25
SLC
-
SEA
1 stop5h 15m
Southwest
Tue 23/605:40
SEA
-
SLC
1 stop6h 00m
Southwest
Deal found 23/4£116
Thu 14/519:55
SLC
-
SEA
Nonstop2h 25m
Alaska Airlines
Mon 18/507:05
SEA
-
SLC
Nonstop2h 10m
Alaska Airlines
Deal found 22/4£131
Sat 23/519:55
SLC
-
SEA
Nonstop2h 25m
Alaska Airlines
Sun 24/507:05
SEA
-
SLC
Nonstop2h 10m
Alaska Airlines
Deal found 21/4£139
Wed 10/611:10
SLC
-
SEA
2 stops14h 30m
Southwest
Sat 13/615:55
SEA
-
SLC
1 stop6h 05m
Southwest
Deal found 22/4£144
Sat 16/515:25
SLC
-
SEA
Nonstop2h 19m
Delta
Sat 23/510:50
SEA
-
SLC
Nonstop2h 10m
Delta
Deal found 20/4£146
Tue 18/818:06
SLC
-
SEA
1 stop16h 17m
Alaska Airlines
Wed 19/811:27
SEA
-
SLC
Nonstop2h 09m
Alaska Airlines
Deal found 23/4£149
Thu 4/621:25
SLC
-
SEA
1 stop5h 15m
Southwest
Fri 12/617:20
SEA
-
SLC
1 stop7h 05m
Southwest
Deal found 22/4£151
Wed 20/514:00
SLC
-
SEA
Nonstop2h 23m
Delta
Mon 25/505:30
SEA
-
SLC
Nonstop2h 08m
Delta
Deal found 20/4£153
Wed 13/518:25
SLC
-
SEA
1 stop5h 30m
Southwest
Wed 20/505:30
SEA
-
SLC
1 stop6h 10m
Southwest
Deal found 22/4£156
Tue 3/1110:51
SLC
-
SEA
1 stop6h 56m
Alaska Airlines
Tue 3/1119:16
SEA
-
SLC
Nonstop2h 06m
Alaska Airlines
Deal found 21/4£157
Thu 28/519:20
SLC
-
SEA
1 stop4h 45m
Southwest
Mon 15/619:10
SEA
-
SLC
1 stop5h 15m
Southwest
Deal found 22/4£159

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 24 April 2026.

Round-trip from

£102

One-way from

£73

Popular in

July

Cheapest in

February

Average price

£146
Alaska Airlines
  • Alaska Airlines
  • 13/5-18/5
  • Nonstop
  • 4h 34m total
  • Salt Lake City to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 13/5
  • Nonstop
  • 2h 27m 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 April 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 24 April 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

Wed 13/5

18:25-22:55

1 stop5h 30m

Seattle/Tacoma Intl

Wed 20/5

07:35-16:10

2 stops7h 35m

£160
Fastest return journey

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 5/6

23:02-00:10

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 7/6

05:30-08:30

Nonstop2h 00m

£161

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 21/5

14:00-15:23

Nonstop2h 23m

Seattle/Tacoma Intl

Sat 23/5

17:45-20:56

Nonstop2h 11m

£198

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 16/8

20:45-22:05

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 22/8

11:25-14:30

Nonstop2h 05m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 10/9

17:10-18:29

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 13/9

05:45-08:49

Nonstop2h 04m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 25/7

20:44-22:00

Nonstop2h 16m

Seattle/Tacoma Intl

Mon 3/8

05:25-08:25

Nonstop2h 00m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 24/6

07:50-09:05

Nonstop2h 15m

Seattle/Tacoma Intl

Sat 4/7

11:05-14:11

Nonstop2h 06m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 22/6

13:20-14:39

Nonstop2h 19m

Seattle/Tacoma Intl

Mon 29/6

07:15-10:23

Nonstop2h 08m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 14/7

22:45-23:59

Nonstop2h 14m

Seattle/Tacoma Intl

Sat 18/7

07:15-10:26

Nonstop2h 11m

£220

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 10/9

06:10-13:25

2 stops8h 15m

Seattle/Tacoma Intl

Sun 13/9

05:55-20:05

2 stops13h 10m

£222

Flights are sorted by cheapest return flights first.

Deals found on 20/4

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?

To ensure you get the cheapest price possible for a flight from Salt Lake City to Seattle, you should look to book at least 35 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 £250). 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 24 April 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?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 24 April 2026.
Get a feel of what it's like to fly with Alaska Airlines from Salt Lake City to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,286 reviews
Check prices

Entertainment

7.0

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,286 reviews
Alaska Airlines
7.9
Good
12,286 reviews
Check prices

Entertainment

7.0

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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.

  • What airports do I use to fly from Salt Lake City to Seattle?

    Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Salt Lake City. Booking flights from Salt Lake City (SLC) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 25 daily flights to Seattle from 1 airline. 2h 14m is how long a flight from Salt Lake City to Seattle/Tacoma Intl will take if you book a nonstop flight.

  • 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 Delta and Alaska Airlines fly from Salt Lake City to Seattle in about 2h 10m. The time it takes to get you to your destination can typically vary by up to 9h 08m. 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 is the cheapest airline to fly from Salt Lake City to Seattle round-trip?

    According to our current data, Alaska Airlines (£131), offers the cheapest pricing from Salt Lake City to Seattle. You may be able to fly from Salt Lake City to Seattle for 21% less than the average price by searching for this airline.

  • 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 SkyWest Airlines (97%), Icelandair (93%) or Korean Air (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 £127). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £250). 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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Top airline flying from Salt Lake City to Seattle

Discover the top airline that operate flights from Salt Lake City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£131Average£243FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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.

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