Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Salt Lake City to Seattle from £66

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in March or January, booked 40 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 30 April 2025.

Round-trip from

£128

One-way from

£66

Popular in

July

Cheapest in

March

Average price

£162
Alaska Airlines
  • Alaska Airlines
  • 21/5-21/5
  • Nonstop
  • 4h 13m total
  • Salt Lake City to Seattle
Search Deals
Delta
  • Delta
  • 11/6
  • Nonstop
  • 2h 19m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Salt Lake City to Seattle

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 30 April 2025.

Wed 21/515:37SLC - SEA
Nonstop2h 12mAlaska Airlines
Wed 21/520:17SEA - SLC
Nonstop2h 01mAlaska Airlines
Deal found 28/4£128
Tue 27/522:45SLC - SEA
Nonstop2h 14mDelta
Tue 3/609:30SEA - SLC
Nonstop2h 13mDelta
Deal found 29/4£132
Wed 11/620:00SLC - SEA
1 stop5h 30mSouthwest
Sun 15/605:00SEA - SLC
1 stop9h 00mSouthwest
Deal found 29/4£166
Thu 22/519:33SLC - SEA
Nonstop2h 16mHawaiian Airlines
Sun 25/520:17SEA - SLC
Nonstop2h 01mHawaiian Airlines
Deal found 29/4£184
Tue 27/507:15SLC - SEA
1 stop7h 11mUnited Airlines
Tue 3/612:35SEA - SLC
2 stops9h 10mUnited Airlines
Deal found 29/4£218

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 30 April 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

Wed 21/5

15:37-16:49

Nonstop2h 12m

Seattle/Tacoma Intl

Wed 21/5

20:17-23:18

Nonstop2h 01m

£128

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 27/5

22:45-23:59

Nonstop2h 14m

Seattle/Tacoma Intl

Tue 3/6

09:30-12:43

Nonstop2h 13m

£132

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 24/5

15:37-16:49

Nonstop2h 12m

Seattle/Tacoma Intl

Sat 31/5

19:17-22:19

Nonstop2h 02m

£154

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 11/6

20:00-00:30

1 stop5h 30m

Seattle/Tacoma Intl

Sun 15/6

05:00-15:00

1 stop9h 00m

£166

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 27/5

07:15-13:26

1 stop7h 11m

Seattle/Tacoma Intl

Tue 3/6

12:35-22:45

2 stops9h 10m

£218

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 11/6

17:10-18:29

Nonstop2h 19m

£66

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 11/6

20:00-00:30

1 stop5h 30m

£74

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Mon 26/5

06:48-08:10

Nonstop2h 22m

£81

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 24/5

15:37-16:49

Nonstop2h 12m

£89

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 29/5

12:15-21:11

2 stops9h 56m

£92

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 25 April 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 40 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, January is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £622). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £946). 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 30 April 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 70% on flights from Salt Lake City to Seattle by exploring options for tickets in the afternoon.

Weekly flight availability from Salt Lake City to Seattle

Explore weekly flight availability from Salt Lake City to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.

The most flights from SLC to SEA are scheduled on a Monday (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 30 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Salt Lake City to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,961 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,295 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,936 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,406 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines flying from Salt Lake City to Seattle round-trip?

    According to our current data, Alaska Airlines (£128), Delta (£147), and Hawaiian Airlines (£154) offers the cheapest pricing from Salt Lake City to Seattle. You may be able to fly from Salt Lake City to Seattle for 25% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Salt Lake City to Seattle one-way?

    The cheapet airlines for a one-way flight from Salt Lake City to Seattle are Delta (£66), Southwest (£74), and Hawaiian Airlines (£81).

  • 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 WestJet (95%), China Eastern (95%) or Delta (93%) 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, January is the cheapest month in which you can book a flight from Salt Lake City to Seattle (average of £622). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of £946). 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 Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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.
Site
©2025 Cheapflights