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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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SEA
3 Sep — 10 Sep1
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 Wednesday or Thursday 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 29 August 2025.

Round-trip from

£102

One-way from

£73

Popular in

July

Cheapest in

March

Average price

£204
Frontier
  • Frontier
  • 10/10-17/10
  • Nonstop
  • 4h 24m total
  • Salt Lake City to Seattle
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Southwest
  • Southwest
  • 14/10
  • 1 total stop
  • 5h 45m total
  • Salt Lake City to Seattle
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£39 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 29 August 2025.

Sat 18/1021:05SLC - SEA
Nonstop2h 17mDelta
Tue 21/1007:10SEA - SLC
Nonstop2h 14mDelta
Deal found 27/8£131
Fri 17/1021:05SLC - SEA
Nonstop2h 17mDelta
Tue 28/1009:46SEA - SLC
Nonstop2h 04mDelta
Deal found 28/8£138
Thu 25/922:45SLC - SEA
Nonstop2h 14mDelta
Thu 2/1009:40SEA - SLC
Nonstop2h 10mDelta
Deal found 26/8£146
Tue 14/1013:58SLC - SEA
Nonstop2h 13mHawaiian Airlines
Sat 18/1009:50SEA - SLC
Nonstop2h 12mHawaiian Airlines
Deal found 26/8£153
Tue 7/1013:58SLC - SEA
Nonstop2h 13mHawaiian Airlines
Tue 7/1018:30SEA - SLC
Nonstop2h 12mHawaiian Airlines
Deal found 29/8£156
Thu 13/1107:17SLC - SEA
1 stop6h 27mAlaska Airlines
Tue 18/1109:55SEA - SLC
Nonstop2h 12mAlaska Airlines
Deal found 29/8£161
Sat 20/915:29SLC - SEA
Nonstop2h 16mAlaska Airlines
Sat 27/911:20SEA - SLC
1 stop8h 10mAlaska Airlines
Deal found 27/8£163
Tue 23/921:02SLC - SEA
Nonstop2h 22mDelta
Fri 26/907:10SEA - SLC
Nonstop2h 14mDelta
Deal found 27/8£168
Tue 14/1015:43SLC - SEA
Nonstop2h 16mAlaska Airlines
Sat 18/1005:21SEA - SLC
1 stop3h 47mAlaska Airlines
Deal found 28/8£170
Tue 14/1012:30SLC - SEA
1 stop7h 15mUnited Airlines
Sat 18/1008:42SEA - SLC
1 stop6h 02mUnited Airlines
Deal found 28/8£175
Thu 25/920:59SLC - SEA
Nonstop2h 23mDelta
Fri 26/921:20SEA - SLC
Nonstop2h 04mDelta
Deal found 26/8£175
Sat 18/1019:44SLC - SEA
Nonstop2h 21mAlaska Airlines
Tue 21/1011:20SEA - SLC
1 stop6h 15mAlaska Airlines
Deal found 27/8£178

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 29 August 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 24/9

17:20-18:36

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 1/10

05:30-08:36

Nonstop2h 06m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 7/10

13:58-15:11

Nonstop2h 13m

Seattle/Tacoma Intl

Tue 14/10

09:55-13:07

Nonstop2h 12m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 14/10

19:44-21:05

Nonstop2h 21m

Seattle/Tacoma Intl

Sat 18/10

09:50-13:02

Nonstop2h 12m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 8/10

21:05-22:22

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 22/10

05:25-08:24

Nonstop1h 59m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 7/10

19:44-21:05

Nonstop2h 21m

Seattle/Tacoma Intl

Wed 15/10

09:55-13:07

Nonstop2h 12m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 18/11

15:23-16:45

Nonstop2h 22m

Seattle/Tacoma Intl

Tue 25/11

07:09-10:18

Nonstop2h 09m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Wed 8/10

15:43-16:59

Nonstop2h 16m

Seattle/Tacoma Intl

Wed 15/10

15:43-18:49

Nonstop2h 06m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 20/9

17:20-18:36

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 23/9

05:30-08:36

Nonstop2h 06m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 11/10

17:10-18:24

Nonstop2h 14m

Seattle/Tacoma Intl

Wed 15/10

17:00-20:00

Nonstop2h 00m

£131

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 11/10

17:10-18:24

Nonstop2h 14m

Seattle/Tacoma Intl

Sat 18/10

11:15-14:17

Nonstop2h 02m

£131

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 21 results
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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?

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 22 August 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 29 August 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 48% on flights from Salt Lake City to Seattle by exploring options for tickets at midday.

How much does it cost for a return flight from Salt Lake City to Seattle?

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 Delta, Alaska Airlines, and Hawaiian Airlines fly from Salt Lake City to Seattle in about 2h 13m. 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 China Eastern (100%), LATAM Airlines (100%) or Air France (89%) 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

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