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Cheap flights from Salt Lake City to Seattle from £64

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
26 Feb — 5 Mar1
1 adult

The best prices from Salt Lake City to Seattle/Tacoma Intl are usually found in January or February, booked 18 days in advance, depart on a Tuesday or Monday 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 21 February 2025.

Round-trip from

£77

One-way from

£64

Popular in

July

Cheapest in

January

Average price

£164

Good one-way deal

£98 or less
Delta
  • Delta
  • 6/4-11/4
  • Nonstop
  • 4h 24m total
  • Salt Lake City to Seattle
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Southwest
  • Southwest
  • 22/4
  • 2 total stops
  • 7h 30m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£30 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.
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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 21 February 2025.

Thu 17/422:45SLC - SEA
Nonstop2h 17mDelta
Sun 20/413:30SEA - SLC
Nonstop2h 07mDelta
Deal found 21/2£77
Thu 13/320:40SLC - SEA
Nonstop2h 16mAlaska Airlines
Sun 16/318:55SEA - SLC
1 stop21h 28mAlaska Airlines
Deal found 20/2£119
Thu 24/405:55SLC - SEA
1 stop7h 00mSouthwest
Tue 29/413:25SEA - SLC
2 stops8h 35mSouthwest
Deal found 20/2£124
Tue 18/316:39SLC - SEA
1 stop6h 18mUnited Airlines
Sun 23/305:00SEA - SLC
1 stop5h 41mUnited Airlines
Deal found 20/2£195
Mon 21/420:50SLC - SEA
Nonstop2h 09mHawaiian Airlines
Sun 27/415:35SEA - SLC
Nonstop1h 59mHawaiian Airlines
Deal found 20/2£196

Find flights from Salt Lake City to Seattle within your budget

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 21 February 2025.

Fly from

Salt Lake City

Fly to

Seattle

Route

Depart

Return

Price

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 6/4

22:45-00:02

Nonstop2h 17m

Seattle/Tacoma Intl

Fri 11/4

13:30-16:37

Nonstop2h 07m

£77

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 13/3

20:40-21:56

Nonstop2h 16m

Seattle/Tacoma Intl

Sun 16/3

18:55-17:23

1 stop21h 28m

£119

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Thu 24/4

05:55-11:55

1 stop7h 00m

Seattle/Tacoma Intl

Tue 29/4

13:25-23:00

2 stops8h 35m

£124

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 30/4

08:45-14:09

1 stop6h 24m

Seattle/Tacoma Intl

Sun 4/5

08:50-11:52

Nonstop2h 02m

£190

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 18/3

16:39-21:57

1 stop6h 18m

Seattle/Tacoma Intl

Sun 23/3

05:00-11:41

1 stop5h 41m

£195

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 22/4

15:50-22:20

2 stops7h 30m

£64

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 19/4

06:35-07:58

Nonstop2h 23m

£71

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 19/3

12:40-13:50

Nonstop2h 10m

£78

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 18/3

08:10-18:38

2 stops11h 28m

£90

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 12/3

17:49-19:00

Nonstop2h 11m

£110

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 11 results
1
2

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.

Travel insights for flights from Salt Lake City to Seattle

Get recent, data-driven insights about flights from Salt Lake City to Seattle including ideal travel times, pricing trends, and more.

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 14 February 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 18 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 21 February 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 79% 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 21 February 2025.

The most flights from SLC to SEA are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 21 February 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very Good
4,401 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very Good
9,697 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very Good
8,213 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,316 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,759 reviews
Southwest
8.1
Very Good
4,401 reviews
Check prices

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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, Delta (£77), Alaska Airlines (£119), and Southwest (£124) offers the cheapest pricing from Salt Lake City to Seattle. You may be able to fly from Salt Lake City to Seattle for 59% 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 Southwest (£64), Delta (£71), and Alaska Airlines (£78).

  • 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 (98%), Korean Air (97%) or China Eastern (95%) 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 £142 for a flight from Salt Lake City to Seattle. The cheapest flight overall is £75 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at £182.

  • 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

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