How many flights depart from Salt Lake City to Seattle on average per week?

262 flights are operational weekly from Salt Lake City to Seattle as of September 2025. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.

What is the cheapest airline that flies from Salt Lake City to Seattle/Tacoma Intl?

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Salt Lake City to Seattle/Tacoma Intl

How many flights depart from Salt Lake City to Seattle on average per day?

The number of flights available between Salt Lake City and Seattle is 37 per day as of September 2025. The most frequent departure time is 3:00PM, with 42% of daily flights leaving at noon.

What airlines fly to Seattle?

Frontier, Alaska Airlines and Delta are the top three most popular airlines that fly to Seattle from Salt Lake City according to our data. Frontier is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

As of September 2025, there are 6 operators available to choose from for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$78 Cheap Flights from Salt Lake City to Seattle in 2025/26

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Find the cheapest flights from Salt Lake City to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:27 pm - 5:44 pmSLC-SEA

2h 17mnonstop

4:11 pm - 7:18 pmSEA-SLC

2h 07mnonstop

$112Frontier

Find Deal

Fri, Oct 10 - Mon, Oct 13

4:27 pm - 5:44 pmSLC-SEA

2h 17mnonstop

4:11 pm - 7:18 pmSEA-SLC

2h 07mnonstop

$113Frontier

Find Deal

Fri, Oct 10 - Mon, Oct 13

4:27 pm - 5:44 pmSLC-SEA

2h 17mnonstop

4:11 pm - 7:18 pmSEA-SLC

2h 07mnonstop

$115Frontier

Find Deal

Fri, Oct 10 - Sun, Oct 12

4:27 pm - 5:44 pmSLC-SEA

2h 17mnonstop

5:46 pm - 8:53 pmSEA-SLC

2h 07mnonstop

$116Frontier

Find Deal

Fri, Oct 24 - Fri, Dec 5

2:01 pm - 3:21 pmSLC-SEA

2h 20mnonstop

11:22 am - 2:29 pmSEA-SLC

2h 07mnonstop

$129Hawaiian Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

7:44 pm - 9:05 pmSLC-SEA

2h 21mnonstop

7:00 am - 10:10 amSEA-SLC

2h 10mnonstop

$133Alaska Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 12

5:26 pm - 6:43 pmSLC-SEA

2h 17mnonstop

7:57 pm - 11:05 pmSEA-SLC

2h 08mnonstop

$149Multiple Airlines

Find Deal

Sun, Oct 19 - Sat, Dec 6

3:43 pm - 4:59 pmSLC-SEA

2h 16mnonstop

9:50 am - 1:02 pmSEA-SLC

2h 12mnonstop

$155Alaska Airlines

Find Deal

Tue, Oct 14 - Sat, Oct 18

3:23 pm - 4:45 pmSLC-SEA

2h 22mnonstop

12:58 pm - 10:19 pmSEA-SLC

8h 21m1 stop

$156Multiple Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

9:05 pm - 10:22 pmSLC-SEA

2h 17mnonstop

7:10 am - 10:24 amSEA-SLC

2h 14mnonstop

$177Delta

Find Deal

Tue, Oct 14 - Sat, Oct 18

Frontier flights from Salt Lake City to Seattle

Our best Frontier deals on Salt Lake City to Seattle flight tickets

Frontier

Oct 10

SLC4:27 pmSalt Lake City

2h 17m

SEA5:44 pmSeattle/Tacoma Intl

Oct 13

SEA4:11 pmSeattle/Tacoma Intl

2h 07m

SLC7:18 pmSalt Lake City

$112

Find similar

Frontier

Oct 10

SLC4:27 pmSalt Lake City

2h 17m

SEA5:44 pmSeattle/Tacoma Intl

Oct 13

SEA4:11 pmSeattle/Tacoma Intl

2h 07m

SLC7:18 pmSalt Lake City

$113

Find similar

Frontier

Oct 10

SLC4:27 pmSalt Lake City

2h 17m

SEA5:44 pmSeattle/Tacoma Intl

Oct 12

SEA4:11 pmSeattle/Tacoma Intl

2h 07m

SLC7:18 pmSalt Lake City

$115

Find similar

Alaska Airlines flights from Salt Lake City to Seattle

Our best Alaska Airlines deals on Salt Lake City to Seattle flight tickets

Alaska Airlines

Oct 10

SLC7:44 pmSalt Lake City

2h 21m

SEA9:05 pmSeattle/Tacoma Intl

Oct 12

SEA7:00 amSeattle/Tacoma Intl

2h 10m

SLC10:10 amSalt Lake City

$133

Find similar

Alaska Airlines

Oct 14

SLC3:43 pmSalt Lake City

2h 16m

SEA4:59 pmSeattle/Tacoma Intl

Oct 18

SEA9:50 amSeattle/Tacoma Intl

2h 12m

SLC1:02 pmSalt Lake City

$155

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/10

4:27 pm-5:44 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Mon 10/13

4:11 pm-7:18 pm

Nonstop2h 07m

$112

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/10

4:27 pm-5:44 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Mon 10/13

4:11 pm-7:18 pm

Nonstop2h 07m

$113

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/10

4:27 pm-5:44 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sun 10/12

4:11 pm-7:18 pm

Nonstop2h 07m

$115

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/24

4:27 pm-5:44 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Fri 12/5

5:46 pm-8:53 pm

Nonstop2h 07m

$116

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 11/1

2:01 pm-3:21 pm

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 11/8

11:22 am-2:29 pm

Nonstop2h 07m

$129

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Fri 10/10

7:44 pm-9:05 pm

Nonstop2h 21m

Seattle/Tacoma Intl

Sun 10/12

7:00 am-10:10 am

Nonstop2h 10m

$133

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sun 10/19

5:26 pm-6:43 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 12/6

7:57 pm-11:05 pm

Nonstop2h 08m

$149

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 10/14

3:43 pm-4:59 pm

Nonstop2h 16m

Seattle/Tacoma Intl

Sat 10/18

9:50 am-1:02 pm

Nonstop2h 12m

$155

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Sat 11/1

3:23 pm-4:45 pm

Nonstop2h 22m

Seattle/Tacoma Intl

Sat 11/8

12:58 pm-10:19 pm

1 stop8h 21m

$156

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

Tue 10/14

9:05 pm-10:22 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 10/18

7:10 am-10:24 am

Nonstop2h 14m

$177

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How to get the cheapest flight ticket from Salt Lake City to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Salt Lake City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $159. If you don’t want to visit Seattle in March, then you should wait until January to fly from Salt Lake City, when ticket prices are also cheap, with an average price of $177.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Salt Lake City is on a Friday. momondo users have found tickets for Friday departures for as low as $476. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Salt Lake City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $715.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Salt Lake City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $441 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $815. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Salt Lake City to Seattle/Tacoma Intl flight route?

Fly from Salt Lake City to Seattle/Tacoma Intl for the best Salt Lake City - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $226 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Salt Lake City for as low as $176 on momondo.

What cabin class options are available on Salt Lake City to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Salt Lake City to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Salt Lake City to Seattle flights?

No. A direct flight is the cheapest option for a flight between Salt Lake City to Seattle.

How have Salt Lake City to Seattle flight prices changed over time?

As of September 2025, prices for Salt Lake City to Seattle flights are approximately 23% more expensive when compared to flights at the same time last year.

When to book flights from Salt Lake City to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Salt Lake City to Seattle (SLC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Seattle

Best Price Found	$155
Fastest flight time	2h 12m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Salt Lake City in the past 72 hours is $155. The best round-trip flight deal from Salt Lake City to Seattle found on momondo in the last 72 hours is $253.

The fastest flight from Salt Lake City to Seattle takes 2h 12m

Direct flights go from Salt Lake City to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Salt Lake City to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 700.5 mi away from Salt Lake City. By plane, this route typically takes 2h 13m.
When did momondo last update prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
As of September 2025, there are 6 operators available to choose from for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Salt Lake City to Seattle?
Based on momondo bookings for flights between Salt Lake City and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 13.68% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 13.37%, Embraer 175 with 11.36%, and Airbus A321-100/200 with 9.76%.
What is the most popular airline from Salt Lake City to Seattle?
momondo data reveals that the most frequently booked airline on the route from Salt Lake City to Seattle is Frontier, representing 32% of all bookings. The subsequent popular airlines are Alaska Airlines at 31%, Delta at 29%, and Hawaiian Airlines at 6%.

Best airlines flying from Salt Lake City to Seattle

Compare and see reviews for airlines that fly from Salt Lake City to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $42	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $78	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
Delta	PriceFrom $104	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,729 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $163	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $196	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

Alaska Airlines Flights From Salt Lake City to Seattle
Alaska Airlines flies from Salt Lake City to Seattle around 22 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Salt Lake City to Seattle in the last 72 hours was $163 (round-trip), much lower than the average airfare cost of $307 for Alaska Airlines flights on this route.
Delta Flights From Salt Lake City to Seattle
The best Delta deal for Salt Lake City to Seattle flight tickets found on momondo in the last 72 hours was $104, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $260 round-trip. Delta operates 39 flights out of Salt Lake City into Seattle in an average week, so prices vary by time and availability. 7,961 Delta reviews by users on momondo have scored the airline at 7.9/10.

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

Westport

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Salt Lake City to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Salt Lake City to Seattle with flexible booking policies on momondo?

Flights from Salt Lake City to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Salt Lake City to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Salt Lake City.

I’m not ready to book a flight from Salt Lake City to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Salt Lake City and alert you when they change.

An easier way to manage your Seattle trip

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Cheap flights from Salt Lake City to Seattle from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to Seattle departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Salt Lake City to Seattle

Our best Frontier deals on Salt Lake City to Seattle flight tickets

Alaska Airlines flights from Salt Lake City to Seattle

Our best Alaska Airlines deals on Salt Lake City to Seattle flight tickets

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Use the filters below to find and compare flights from Salt Lake City to Seattle that are best for you.

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How to get the cheapest flight ticket from Salt Lake City to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Salt Lake City to Seattle/Tacoma Intl flight route?

Fly from Salt Lake City to Seattle/Tacoma Intl for the best Salt Lake City - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Salt Lake City to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Salt Lake City to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Salt Lake City to Seattle flights?

No. A direct flight is the cheapest option for a flight between Salt Lake City to Seattle.

How have Salt Lake City to Seattle flight prices changed over time?

As of September 2025, prices for Salt Lake City to Seattle flights are approximately 23% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Salt Lake City to Seattle/Tacoma Intl?

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Salt Lake City to Seattle/Tacoma Intl

What airlines fly to Seattle?

How many flights depart from Salt Lake City to Seattle on average per day?

The number of flights available between Salt Lake City and Seattle is 37 per day as of September 2025. The most frequent departure time is 3:00PM, with 42% of daily flights leaving at noon.

How many flights depart from Salt Lake City to Seattle on average per week?

262 flights are operational weekly from Salt Lake City to Seattle as of September 2025. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.

When to book flights from Salt Lake City to Seattle

Cheap Salt Lake City to Seattle (SLC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Salt Lake City to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Salt Lake City Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Salt Lake City to Seattle?

What is the most popular airline from Salt Lake City to Seattle?

Best airlines flying from Salt Lake City to Seattle

Compare and see reviews for airlines that fly from Salt Lake City to Seattle with momondo

Alaska Airlines Flights From Salt Lake City to Seattle

Delta Flights From Salt Lake City to Seattle

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Seattle?

Can I find flights from Salt Lake City to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Salt Lake City to Seattle?

I’m not ready to book a flight from Salt Lake City to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington