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

As of September 2026, 29 flights take off from Salt Lake City and land in Seattle each day. The most common flight departure time for this route is 15:00, with 55% of daily flights taking off in the afternoon.

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

As of September 2026, there are 207 flights per week flying from Salt Lake City to Seattle. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

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

Southwest and Delta are the most popular carriers operating from Salt Lake City to Seattle/Tacoma Intl

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 are refreshed on a daily basis.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence, 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.

R2 277 Cheap Flights from Salt Lake City to Seattle in 2026/27

Find the cheapest flights from Salt Lake City to Seattle

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 286Alaska Airlines

Wed, Oct 14 - Wed, Oct 21

15:02 - 16:17SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 15mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 367Alaska Airlines

Sat, Oct 17 - Wed, Oct 21

11:27 - 12:45SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 18mdirect

7:18 - 10:31SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 13mdirect

R3 530Alaska Airlines

Thu, Nov 5 - Sun, Nov 8

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

14:59 - 21:46SEA Seattle/Tacoma Intl-SLC Salt Lake City

5h 47m1 stop San Diego

R3 692Alaska Airlines

Wed, Oct 21 - Mon, Oct 26

9:42 - 11:02SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 20mdirect

12:13 - 17:30SEA Seattle/Tacoma Intl-SLC Salt Lake City

4h 17m1 stop Portland

R3 774Alaska Airlines

Wed, Oct 21 - Sat, Oct 24

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 936Alaska Airlines

Wed, Oct 14 - Tue, Oct 20

7:53 - 21:33SLC Salt Lake City-SEA Seattle/Tacoma Intl

14h 40m1 stop San Diego

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 985Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

14:15 - 20:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

7h 11m1 stop San Diego

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R4 018Alaska Airlines

Sat, Oct 17 - Wed, Oct 21

11:27 - 12:45SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 18mdirect

11:43 - 18:29SEA Seattle/Tacoma Intl-SLC Salt Lake City

5h 46m1 stop San Diego

R4 034Alaska Airlines

Thu, Nov 12 - Mon, Nov 16

8:20 - 6:00SLC Salt Lake City-SEA Seattle/Tacoma Intl

22h 40m1 stop Portland

7:18 - 10:31SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 13mdirect

R4 067Alaska Airlines

Fri, Nov 6 - Mon, Nov 9

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:26 - 9:20SLC Salt Lake City-SEA Seattle/Tacoma Intl

15h 54m1 stop San Diego

11:25 - 14:38SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 13mdirect

R7 466Alaska Airlines

Mon, Sep 21 - Tue, Sep 22

12:20 - 18:50SLC Salt Lake City-SEA Seattle/Tacoma Intl

7h 30m2 stops Phoenix Sky Harbor Intl Sacramento Intl

12:05 - 21:40SEA Seattle/Tacoma Intl-SLC Salt Lake City

8h 35m2 stops Sacramento Intl Phoenix Sky Harbor Intl

R8 003Southwest

Mon, Sep 21 - Tue, Oct 20

8:10 - 15:55SLC Salt Lake City-SEA Seattle/Tacoma Intl

8h 45m2 stops Sacramento Intl Las Vegas Harry Reid Intl

6:30 - 14:30SEA Seattle/Tacoma Intl-SLC Salt Lake City

7h 00m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

R8 491Southwest

Sat, Sep 19 - Sat, Oct 17

10:55 - 17:35SLC Salt Lake City-SEA Seattle/Tacoma Intl

7h 40m2 stops Las Vegas Harry Reid Intl Oakland

5:00 - 11:30SEA Seattle/Tacoma Intl-SLC Salt Lake City

5h 30m1 stop Las Vegas Harry Reid Intl

R8 898Southwest

Mon, Sep 21 - Wed, Jun 2

10:55 - 17:35SLC Salt Lake City-SEA Seattle/Tacoma Intl

7h 40m2 stops Las Vegas Harry Reid Intl Oakland

6:15 - 15:45SEA Seattle/Tacoma Intl-SLC Salt Lake City

8h 30m2 stops Sacramento Intl Las Vegas Harry Reid Intl

R8 979Southwest

Mon, Sep 21 - Wed, Jun 2

15:30 - 16:50SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 20mdirect

5:45 - 8:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 06mdirect

R9 142Delta

Mon, Sep 21 - Wed, Jun 2

8:15 - 21:31SLC Salt Lake City-SEA Seattle/Tacoma Intl

14h 16m2 stops Los Angeles Los Angeles Denver Intl

15:18 - 21:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

5h 33m1 stop San Francisco

R9 207United Airlines

Sat, Sep 19 - Sat, Sep 26

13:30 - 14:50SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 20mdirect

7:15 - 10:28SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 13mdirect

R9 386Delta

Sat, Sep 19 - Sat, Sep 26

10:55 - 17:35SLC Salt Lake City-SEA Seattle/Tacoma Intl

7h 40m2 stops Las Vegas Harry Reid Intl Oakland

12:05 - 21:40SEA Seattle/Tacoma Intl-SLC Salt Lake City

8h 35m2 stops Sacramento Intl Phoenix Sky Harbor Intl

R9 451Southwest

Mon, Sep 21 - Wed, Oct 21

16:35 - 20:43SLC Salt Lake City-SEA Seattle/Tacoma Intl

5h 08m1 stop San Francisco

15:18 - 23:55SEA Seattle/Tacoma Intl-SLC Salt Lake City

7h 37m1 stop San Francisco

R9 516United Airlines

Tue, Sep 22 - Fri, Sep 25

Cheap direct flights

Enter your travel dates to find the best prices.

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 286Alaska Airlines

Wed, Oct 14 - Wed, Oct 21

15:02 - 16:17SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 15mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 367Alaska Airlines

Sat, Oct 17 - Wed, Oct 21

11:27 - 12:45SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 18mdirect

7:18 - 10:31SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 13mdirect

R3 530Alaska Airlines

Thu, Nov 5 - Sun, Nov 8

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R3 936Alaska Airlines

Wed, Oct 14 - Tue, Oct 20

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

14:42 - 17:46SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 04mdirect

R4 180Alaska Airlines

Wed, Oct 21 - Sat, Oct 24

15:02 - 16:17SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 15mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R4 262Alaska Airlines

Tue, Oct 13 - Thu, Oct 15

6:05 - 7:26SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

10:54 - 14:06SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 12mdirect

R4 343Alaska Airlines

Mon, Oct 19 - Sat, Oct 24

15:34 - 16:55SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

5:30 - 8:35SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 05mdirect

R4 359Delta

Wed, Oct 14 - Sat, Oct 17

9:42 - 11:02SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 20mdirect

20:48 - 23:51SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 03mdirect

R4 424Alaska Airlines

Mon, Oct 12 - Wed, Oct 21

15:34 - 16:55SLC Salt Lake City-SEA Seattle/Tacoma Intl

2h 21mdirect

17:29 - 20:35SEA Seattle/Tacoma Intl-SLC Salt Lake City

2h 06mdirect

R4 506Delta

Tue, Oct 20 - Sat, Oct 24

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Delta flights from Salt Lake City to Seattle

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

Delta

Oct 14

SLC15:34Salt Lake City

2h 21m

SEA16:55Seattle/Tacoma Intl

Oct 17

SEA5:30Seattle/Tacoma Intl

2h 05m

SLC8:35Salt Lake City

R4 359

Delta

Oct 20

SLC15:34Salt Lake City

2h 21m

SEA16:55Seattle/Tacoma Intl

Oct 24

SEA17:29Seattle/Tacoma Intl

2h 06m

SLC20:35Salt Lake City

R4 506

Delta

Oct 12

SLC22:35Salt Lake City

2h 24m

SEA23:59Seattle/Tacoma Intl

Oct 20

SEA7:32Seattle/Tacoma Intl

13h 38m

1 stop

SLC22:10Salt Lake City

R4 620

Southwest flights from Salt Lake City to Seattle

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

Southwest

Oct 20

SLC7:00Salt Lake City

7h 35m

1 stop

SEA13:35Seattle/Tacoma Intl

Oct 24

SEA5:25Seattle/Tacoma Intl

5h 40m

1 stop

SLC12:05Salt Lake City

R4 197

Southwest

Oct 20

SLC6:30Salt Lake City

8h 05m

2 stops

SEA13:35Seattle/Tacoma Intl

Oct 24

SEA5:25Seattle/Tacoma Intl

5h 40m

1 stop

SLC12:05Salt Lake City

R4 294

Southwest

Oct 20

SLC17:25Salt Lake City

7h 30m

2 stops

SEA23:55Seattle/Tacoma Intl

Oct 27

SEA5:35Seattle/Tacoma Intl

8h 50m

2 stops

SLC15:25Salt Lake City

R4 376

momondo Fare Finder

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 Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 14/10

6:05-7:26

Nonstop2h 21m

Seattle/Tacoma Intl

Wed 21/10

20:48-23:51

Nonstop2h 03m

R3 286

Fastest return journey

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 17/10

15:02-16:17

Nonstop2h 15m

Seattle/Tacoma Intl

Wed 21/10

20:48-23:51

Nonstop2h 03m

R3 367

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 5/11

11:27-12:45

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 8/11

7:18-10:31

Nonstop2h 13m

R3 530

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 21/10

6:05-7:26

Nonstop2h 21m

Seattle/Tacoma Intl

Mon 26/10

14:59-21:46

1 stop5h 47m

R3 692

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 21/10

9:42-11:02

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 24/10

12:13-17:30

1 stop4h 17m

R3 774

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Wed 14/10

6:05-7:26

Nonstop2h 21m

Seattle/Tacoma Intl

Tue 20/10

20:48-23:51

Nonstop2h 03m

R3 936

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Tue 20/10

7:53-21:33

1 stop14h 40m

Seattle/Tacoma Intl

Sat 24/10

20:48-23:51

Nonstop2h 03m

R3 985

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Sat 17/10

14:15-20:26

1 stop7h 11m

Seattle/Tacoma Intl

Wed 21/10

20:48-23:51

Nonstop2h 03m

R4 018

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Thu 12/11

11:27-12:45

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 16/11

11:43-18:29

1 stop5h 46m

R4 034

Salt Lake CitySeattle

SLC Salt Lake City - SEA Seattle/Tacoma Intl

SLCSEA

Salt Lake City

Fri 6/11

8:20-6:00

1 stop22h 40m

Seattle/Tacoma Intl

Mon 9/11

7:18-10:31

Nonstop2h 13m

R4 067

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between Salt Lake City and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from R4 132 to R6 669.
The lowest price recently found on this route was R3 286.

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Salt Lake City is in February. Flight prices, which tend to average around R2 798, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of R2 912.

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 from Salt Lake City 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 R4 077 when searching weeks before you fly. 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 R3 400 on momondo.

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

There is only 1 cabin class available to choose from on Salt Lake City to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of September 2026, prices for Salt Lake City to Seattle flights are approximately 19% 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 return 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	R2 277
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 R2 277. The best return flight deal from Salt Lake City to Seattle found on momondo in the last 72 hours is R3 286.

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

There is 1 airport in Seattle. From Salt Lake City there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Salt Lake City to Seattle

How far is Salt Lake City to Seattle/Tacoma Intl by plane?
The straight-line distance from Salt Lake City to Seattle/Tacoma Intl is 1127,4 km.
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 are refreshed on a daily basis.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence, 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?
momondo data reveals that the most frequently booked plane model on the route from Salt Lake City to Seattle is Airbus A321neo, representing 22,16% of all bookings. The subsequent popular models are Boeing 737-900 at 19,52%, Boeing 737-800 Passenger/BBJ2 (winglets) at 18,12%, and Boeing 737 MAX 8 at 12,01%.

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Why use momondo?

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

It is quick and easy to find Salt Lake City to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from Salt Lake City to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Salt Lake City to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Seattle from Salt Lake City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.