How popular is this Salt Lake City to Seattle flight route?

Within the past month, 178 users have taken a look at flights from Salt Lake City to Seattle/Tacoma Intl.

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

Currently priced at $163, Frontier will fly you from Salt Lake City to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Delta - these airlines can fly you to your destination from $171 and $177, respectively. You may be able to fly from Salt Lake City to Seattle for 30% 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?

$83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $87 and $89, respectively.

What are the cheapest flights from Salt Lake City to Seattle?

On average you can expect to pay $2,903 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $83 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $166.

What are the most reliable airlines from Salt Lake City to Seattle?

The top 3 most reliable airlines when flying from Salt Lake City to Seattle are Horizon Air (100%), LATAM Airlines (100%) and China Eastern (93%).

What are the most popular airlines that fly from Salt Lake City to Seattle?

Before booking your flight from Salt Lake City to Seattle check out the most popular airlines for this route: Alaska Airlines, Delta or Frontier.

What is the cheapest day to fly round-trip from Salt Lake City to Seattle?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Salt Lake City to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 41 days in advance, which can save you up to 166% on flights from Salt Lake City to Seattle compared to booking the week you need them. Waiting 41 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $207. For sooner than that we have options available in the next 3 days from $363.

What is the cheapest month to fly from Salt Lake City to Seattle?

March can be a great time to fly to Seattle from Salt Lake City with a flight ticket averaging about $233. Cheapflights users have found deals in the month of March for as cheap as $37. The most expensive prices can be found in the month of July.

What airports do I use to fly from Salt Lake City to Seattle?

If you book a flight from Salt Lake City to Seattle, you will be flying from Salt Lake City to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Salt Lake City (SLC) take 2h 12m for a nonstop flight. There are 27 flights from Salt Lake City to Seattle per day from 7 airlines.

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 vacation 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.

$83+ Flights from Salt Lake City to Seattle

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Salt Lake City to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday or Thursday and return on a Thursday

Cheap flight deals from Salt Lake City to Seattle

Round-trip from	$163 (Cheapflightsfares)
One-way from	$83 (Kiwi.com)
Popular in	July
Cheapest in	March
Average price	$297
Good round-trip deal	$335 or less
Good one-way deal	$168 or less

From Salt Lake City to Seattle/Tacoma Intl

Search Deals

One-way flight from Salt Lake City to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a round-trip flight from Salt Lake City to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Salt Lake City to Seattle/Tacoma Intl.

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 junio 12, 2025.

vie. 8/222:30 pmSLC - SEA

Nonstop2h 15mFrontier

lun. 8/2510:29 amSEA - SLC

Nonstop2h 06mFrontier

Deal found 6/12

$163

mié. 9/103:29 pmSLC - SEA

Nonstop2h 16mHawaiian Airlines

mié. 9/106:40 pmSEA - SLC

Nonstop2h 09mHawaiian Airlines

Deal found 6/10

$171

sáb. 9/68:59 pmSLC - SEA

Nonstop2h 16mDelta

sáb. 9/139:40 amSEA - SLC

Nonstop2h 10mDelta

Deal found 6/10

$177

lun. 8/44:10 pmSLC - SEA

1 stop5h 05mSouthwest

mar. 8/122:25 pmSEA - SLC

2 stops6h 45mSouthwest

Deal found 6/12

$202

vie. 8/223:02 pmSLC - SEA

1 stop26h 01mSpirit Airlines

dom. 8/244:58 pmSEA - SLC

1 stop19h 59mSpirit Airlines

Deal found 6/12

$203

vie. 8/157:50 pmSLC - SEA

1 stop4h 09mAlaska Airlines

sáb. 9/67:14 amSEA - SLC

Nonstop2h 05mAlaska Airlines

Deal found 6/10

$207

dom. 8/319:59 pmSLC - SEA

1 stop12h 35mMultiple Airlines

lun. 9/84:58 pmSEA - SLC

1 stop20h 12mMultiple Airlines

Deal found 6/11

$229

Best flights from Salt Lake City to Seattle
Discover carefully curated flight deals from Salt Lake City to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

vie. 8/222:30 pmSLC - SEA

Nonstop2h 15mFrontier

dom. 8/2410:29 amSEA - SLC

Nonstop2h 06mFrontier

Deal found 6/12

$163

mié. 9/103:29 pmSLC - SEA

Nonstop2h 16mHawaiian Airlines

mié. 9/106:40 pmSEA - SLC

Nonstop2h 09mHawaiian Airlines

Deal found 6/10

$171

sáb. 9/68:59 pmSLC - SEA

Nonstop2h 16mDelta

sáb. 9/139:40 amSEA - SLC

Nonstop2h 10mDelta

Deal found 6/10

$177

mar. 8/196:25 pmSLC - SEA

1 stop5h 25mSouthwest

mar. 8/262:25 pmSEA - SLC

2 stops6h 45mSouthwest

Deal found 6/11

$202

vie. 8/223:02 pmSLC - SEA

1 stop26h 01mSpirit Airlines

dom. 8/244:58 pmSEA - SLC

1 stop19h 59mSpirit Airlines

Deal found 6/12

$203

vie. 8/157:50 pmSLC - SEA

1 stop4h 09mAlaska Airlines

sáb. 9/67:14 amSEA - SLC

Nonstop2h 05mAlaska Airlines

Deal found 6/10

$207

dom. 8/319:59 pmSLC - SEA

1 stop12h 35mMultiple Airlines

lun. 9/84:58 pmSEA - SLC

1 stop20h 12mMultiple Airlines

Deal found 6/11

$229

Last-minute flights from Salt Lake City to Seattle
Discover last-minute flight deals from Salt Lake City to Seattle. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/177:50 pmSLC - SEA

1 stop19h 35mAlaska Airlines

mié. 6/184:47 pmSEA - SLC

Nonstop2h 03mAlaska Airlines

Deal found 6/10

$362

mar. 6/171:25 pmSLC - SEA

Nonstop2h 20mDelta

vie. 6/277:10 amSEA - SLC

Nonstop2h 05mDelta

Deal found 6/10

$482

mié. 6/186:30 amSLC - SEA

1 stop5h 51mUnited Airlines

mié. 6/182:30 pmSEA - SLC

1 stop6h 31mUnited Airlines

Deal found 6/11

$591

mié. 6/1812:32 pmSLC - SEA

2 stops10h 02mAmerican Airlines

sáb. 6/218:00 amSEA - SLC

2 stops9h 17mAmerican Airlines

Deal found 6/10

$991

vie. 6/202:25 pmSLC - SEA

Nonstop2h 18mFrontier

lun. 6/234:53 pmSEA - SLC

Nonstop2h 05mFrontier

Deal found 6/12

$241

vie. 6/202:25 pmSLC - SEA

Nonstop2h 18mMultiple Airlines

dom. 6/223:58 pmSEA - SLC

1 stop26h 26mMultiple Airlines

Deal found 6/9

$303

sáb. 6/2111:45 amSLC - SEA

2 stops9h 10mSouthwest

jue. 6/2611:15 amSEA - SLC

2 stops6h 45mSouthwest

Deal found 6/10

$538

dom. 6/228:19 pmSLC - SEA

1 stop19h 44mSpirit Airlines

dom. 6/293:58 pmSEA - SLC

1 stop26h 26mSpirit Airlines

Deal found 6/11

$315

dom. 6/227:00 amSLC - SEA

Nonstop2h 17mHawaiian Airlines

dom. 6/2911:38 amSEA - SLC

Nonstop2h 06mHawaiian Airlines

Deal found 6/11

$537

jue. 7/1010:45 pmSLC - SEA

Nonstop2h 14mDelta

jue. 7/171:30 pmSEA - SLC

Nonstop2h 10mDelta

Deal found 6/10

$337

jue. 7/107:12 pmSLC - SEA

Nonstop2h 18mHawaiian Airlines

sáb. 7/125:25 amSEA - SLC

1 stop3h 49mHawaiian Airlines

Deal found 6/9

$347

sáb. 7/1211:56 amSLC - SEA

1 stop5h 29mSpirit Airlines

mié. 7/165:30 pmSEA - SLC

1 stop26h 27mSpirit Airlines

Deal found 6/10

$197

One-way flights from Salt Lake City to Seattle
Search for one-way flight options from Salt Lake City to Seattle. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mié. 8/132:05 pmSLC - SEA

1 stop10h 37mFrontier

Deal found 6/9

$83

mié. 9/33:29 pmSLC - SEA

Nonstop2h 16mHawaiian Airlines

Deal found 6/10

$87

sáb. 8/233:29 pmSLC - SEA

Nonstop2h 16mAlaska Airlines

Deal found 6/10

$89

jue. 7/109:52 pmSLC - SEA

1 stop19h 33mSpirit Airlines

Deal found 6/12

$98

mar. 8/512:29 pmSLC - SEA

1 stop5h 41mAmerican Airlines

Deal found 6/12

$99

sáb. 8/2312:35 pmSLC - SEA

1 stop7h 14mUnited Airlines

Deal found 6/10

$109

dom. 8/312:20 pmSLC - SEA

2 stops6h 35mSouthwest

Deal found 6/10

$163

jue. 7/319:05 pmSLC - SEA

Nonstop2h 17mDelta

Deal found 6/10

$169

sáb. 8/233:05 pmSLC - SEA

3 stops32h 38mMultiple Airlines

Deal found 6/10

$257

Cheapflights 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

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

vie. 8/22

2:30 pm-3:45 pm

Nonstop2h 15m

Seattle/Tacoma Intl

lun. 8/25

10:29 am-1:35 pm

Nonstop2h 06m

$163

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

mié. 9/10

3:29 pm-4:45 pm

Nonstop2h 16m

Seattle/Tacoma Intl

mié. 9/10

6:40 pm-9:49 pm

Nonstop2h 09m

$171

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

sáb. 9/6

5:40 pm-6:56 pm

Nonstop2h 16m

Seattle/Tacoma Intl

sáb. 9/13

5:45 am-8:52 am

Nonstop2h 07m

$177

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

lun. 8/4

4:10 pm-8:15 pm

1 stop5h 05m

Seattle/Tacoma Intl

mar. 8/12

2:25 pm-10:10 pm

2 stops6h 45m

$202

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

vie. 8/22

3:02 pm-4:03 pm

1 stop26h 01m

Seattle/Tacoma Intl

dom. 8/24

4:58 pm-1:57 pm

1 stop19h 59m

$203

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

vie. 8/15

7:50 pm-10:59 pm

1 stop4h 09m

Seattle/Tacoma Intl

sáb. 9/6

7:14 am-10:19 am

Nonstop2h 05m

$207

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

dom. 8/31

9:59 pm-9:34 am

1 stop12h 35m

Seattle/Tacoma Intl

lun. 9/8

4:58 pm-2:10 pm

1 stop20h 12m

$229

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

mié. 8/13

2:05 pm-11:42 pm

1 stop10h 37m

$83

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

mié. 9/3

3:29 pm-4:45 pm

Nonstop2h 16m

$87

Salt Lake CitySeattle

SLC - SEA

SLCSEA

Salt Lake City

sáb. 8/23

3:29 pm-4:45 pm

Nonstop2h 16m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 17 results

The best insider tips for Salt Lake City to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Seattle trip

Airlines

Alaska Airlines

Alaska offers Wi-Fi for a flat fee, ideal for business travelers needing to work during flights.

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on short domestic routes.

Read more about Alaska Airlinesby Robert Schrader

Airports

SLC

Check in at SLC's expanded security before enjoying The Plaza's local dining options like craft beer and tacos.

SEA

Use the Link light rail from SEA for a budget-friendly ride to downtown Seattle in under 40 minutes.

Our travel experts

Robert Schrader

Expert on Alaska Airlines

Ramsey Qubein

Expert on SLC

Brandon Schultz

Expert on SEA

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 round-trip 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?

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $238). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $391). 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?

A simple way to save on the total cost of your ticket is to fly from Salt Lake City to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Salt Lake City to Seattle?

Travelers seeking maximum savings on their Salt Lake City to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Salt Lake City to Seattle

The most flights from SLC to SEA are scheduled on a Thursday (48 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Salt Lake City to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

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

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

4,287 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

What airports do I use to fly from Salt Lake City to Seattle?
If you book a flight from Salt Lake City to Seattle, you will be flying from Salt Lake City to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Salt Lake City (SLC) take 2h 12m for a nonstop flight. There are 27 flights from Salt Lake City to Seattle per day from 7 airlines.
How popular is this Salt Lake City to Seattle flight route?
Within the past month, 178 users have taken a look at flights from Salt Lake City to Seattle/Tacoma Intl.
What are the cheapest airlines flying from Salt Lake City to Seattle round-trip?
Currently priced at $163, Frontier will fly you from Salt Lake City to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Delta - these airlines can fly you to your destination from $171 and $177, respectively. You may be able to fly from Salt Lake City to Seattle for 30% 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?
$83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $87 and $89, respectively.
What are the most reliable airlines from Salt Lake City to Seattle?
The top 3 most reliable airlines when flying from Salt Lake City to Seattle are Horizon Air (100%), LATAM Airlines (100%) and China Eastern (93%).
What are the cheapest flights from Salt Lake City to Seattle?
On average you can expect to pay $2,903 for a flight from Salt Lake City to Seattle. The cheapest flight overall is $83 while the most popular route, (Salt Lake City - Seattle/Tacoma Intl) is currently priced at $166.
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 vacation 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 $238). Flying from Salt Lake City to Seattle in July is currently the most expensive (average of $391). 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

SeaTac

Tukwila

Tacoma

Lakewood

Ocean Shores

Lacey

Leavenworth

Federal Way

Lynnwood

Olympia

Shoreline

Kent

Cle Elum

Centralia

Kirkland

Aberdeen

Renton

Shelton

Silverdale

Issaquah

Browse thousands of different options on Cheapflights for your next trip

Other flights to Seattle

Top 7 airlines flying from Salt Lake City to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$38	Average$144	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$78	Average$135	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$108	Average$309	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$108	Average$256	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$175	Average$291	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$206	Average$386	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$286	Average$567	FlexibilityNo cancel fee	On-time69%

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.

$83+ Cheap flights from Salt Lake City to Seattle (SLC - SEA)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Salt Lake City to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Friday or Thursday and return on a Thursday

Cheap flight deals from Salt Lake City to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Salt Lake City to Seattle

Cheapest flights from Salt Lake City to SeattleExplore 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 junio 12, 2025.

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 junio 12, 2025.

Cheapflights Fare Finder

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

The best insider tips for Salt Lake City to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Seattle trip

Airlines

Alaska Airlines

Airports

SLC

SEA

Our travel experts

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.

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 round-trip flight from Salt Lake City to Seattle. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Salt Lake City to Seattle?

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 junio 12, 2025.

What is the cheapest day to fly from Salt Lake City to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Seattle. Price data was last updated on June 8, 2025.

Weekly flight availability from Salt Lake City to Seattle

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Salt Lake City to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

What airports do I use to fly from Salt Lake City to Seattle?

How popular is this Salt Lake City to Seattle flight route?

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

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

What are the most reliable airlines from Salt Lake City to Seattle?

What are the cheapest flights from Salt Lake City to Seattle?

Can I find deals for flights from Salt Lake City to Seattle that include hotel bookings?

How can I find direct flights from Salt Lake City to Seattle?

Can I find deals for business class flights from Salt Lake City to Seattle?

What is the cheapest month to book a flight from Salt Lake City to Seattle?

Traveling to a place near Salt Lake City?

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.

Alternative routes for Salt Lake City to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Salt Lake City to Seattle

100% Free

Book with Flexibility

Travel Smart

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 junio 12, 2025.