To Seattle

Cheap Flights from Salt Lake City to Seattle

Browse current best options from Salt Lake City. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Salt Lake City

RatePunk searches hundreds of travel sites at once for deals on flights to Seattle

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Salt Lake City to Seattle

Explore current cheapest deals departing from Salt Lake City to Seattle

Round trip

Sort by: Cheapest

October 20 - October 27

Cheapest

Best

SLC - Seattle

$326

$158

Round trip

October 20 - October 21

SLC - Seattle

$335

$166

Round trip

October 19 - October 27

SLC - Seattle

$321

$166

Round trip

October 19 - October 21

SLC - Seattle

$336

$174

Round trip

October 20 - November 2

SLC - Seattle

$300

$175

Round trip

October 20 - October 26

SLC - Seattle

$326

$175

Round trip

August 10 - August 21

Earliest

SLC - Seattle

$239

$176

Round trip

September 30 - October 27

SLC - Seattle

$236

$176

Round trip

October 7 - October 27

SLC - Seattle

$290

$176

Round trip

October 19 - November 2

SLC - Seattle

$300

$182

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Salt Lake City to Seattle

For travelers looking for cheap flights from Salt Lake City to Seattle, prices typically range from $197–$506, with a median fare of $287. Right now, current fares are significantly above the typical level for this route. Only 1% of recent fares were classified as a good price, indicating that finding a low fare may require some flexibility.

When is the cheapest time to fly from Salt Lake City to Seattle? The data indicates that April is often the most affordable month, with a median fare of $177. Other budget-friendly options include October, with a median of $179, and November, where the median fare is $184. New deals appear almost daily for this route, so setting up a price alert can be beneficial.

Regarding direct flights from Salt Lake City to Seattle, 53.7% of recent itineraries are non-stop. This means a meaningful share are non-stop, while the remaining itineraries typically include two connections.

How long is the flight from Salt Lake City to Seattle? A typical journey, including connections, takes approximately 4h 34m. This duration accounts for both direct and connecting flights on this route.

The distance between Salt Lake City and Seattle is 1107 kilometers, classifying it as a short-haul flight.

How much is a round trip from Salt Lake City to Seattle

Regular price: $252 - $342

Prices for flights from Salt Lake City to Seattle are currently below the regular range.

Regular prices for flights from Salt Lake City to Seattle typically range from $252 to $342. The current lowest deal is $158 with Frontier Airlines, for travel from Oct 20-Oct 27.

now $158

Low $252

High $342

The cheapest time to fly from Salt Lake City to Seattle

The cheapest month to fly from SLC to SEA is April, with a median price of $177. The most expensive month is June, with a median price of $459. Prices are generally lower from January to November.

April

Cheapest

Flights from $177

June

Most Expensive

Flights from $459

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Salt Lake City to Seattle

Alaska Airlines, Inc.

Last-minute flights going from Salt Lake City to Seattle

Fri, Jun 19

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Frontier Airlines

$478

$379

One-way

Tue, Jun 23

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Frontier Airlines

$406

$331

One-way

Wed, Jun 24

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Alaska Airlines, Inc.

$233

$282

One-way

Wed, Jun 24

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Frontier Airlines

$391

$328

One-way

Thu, Jun 25

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Frontier Airlines

$389

$279

One-way

Sat, Jun 27

⌛ Last-Minute

SLC - Seattle

Salt Lake City (SLC) - Seattle (SEA)

Frontier Airlines

$388

$280

One-way

Biggest price drops on these dates for flights from Salt Lake City to Seattle

1 night

Oct 20 - Oct 21

$335 → $166

50%

7 nights

Oct 20 - Oct 27

$326 → $158

52%

2 nights

Oct 19 - Oct 21

$336 → $174

48%

8 nights

Oct 19 - Oct 27

$321 → $166

48%

Popular Airports to fly from Salt Lake City to Seattle

Salt Lake City - Seattle route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Salt Lake City to Seattle are below the typical level, with deals around $158.

📅 Best time to fly

April, October, and November are cheapest

Historically, April ($177), October ($179), and November ($184) offer the lowest median prices.

⏱️ Flight duration

Direct flights take 4h 34m

The median flight duration for this route is 4 hours and 34 minutes.

✈️ Airlines & availability

Frequent deals on direct routes

Deals for direct flights from Salt Lake City to Seattle are frequent, with over 1 deal per day.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. provides direct flight options for the Salt Lake City to Seattle route.

🎯 Booking tip

Consider booking during off-peak months

To find better deals, consider flying in April, October, or November, which are historically cheaper.

Salt Lake City main airports to depart from

Salt Lake City International (SLC)

Cheapest

Salt Lake City International Airport is a great option for flights from Salt Lake City to Seattle.

📍 ~10 km from Salt Lake City (reachable by car)

💸 Flights from ~$158

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary arrival choice for flights to Seattle from Salt Lake City.

📍 ~20 km from Seattle (reachable by car)

💸 Flights from ~$158

Boeing Field (BFI)

Boeing Field offers an alternative arrival option for travelers heading to Seattle from Salt Lake City.

📍 ~8 km from Seattle (reachable by car)

💸 Flights from ~$596

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides a unique arrival experience for flights to Seattle from Salt Lake City.

📍 ~3 km from Seattle (reachable by car)

💸 Flights from ~$737

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett offers a convenient alternative for North-end residents with shorter security wait times.

📍 ~35 km from destination city (reachable by car)

💸 Flights from ~$290

Portland International (PDX)

Cheapest

Portland International is a major international hub with a comprehensive route network that rivals SEA.

📍 ~220 km from destination city (reachable by car, train)

💸 Flights from ~$169

Vancouver International (YVR)

Vancouver International is a major international gateway with extensive transpacific and European flight options.

📍 ~230 km from destination city (reachable by car)

💸 Flights from ~$243

Bellingham International (BLI)

Bellingham International is a primary low-cost carrier airport for the region, often featuring budget-friendly fares.

📍 ~140 km from destination city (reachable by car)

💸 Flights from ~$215

Abbotsford International (YXX)

Abbotsford International is an alternative low-cost gateway for travelers looking for Canadian domestic connections.

📍 ~170 km from destination city (reachable by car)

💸 Flights from ~$358

Business & First Class Flight Deals to Seattle

Seattle, United States

33% AI deal score

$2,211

From SLC

Elite

Jun 18

Seattle, United States

31% AI deal score

$1,577

Frequently Asked Questions About Flights to Seattle

Historically, the optimal booking window for flights from Salt Lake City to Seattle is 7-13 days before departure. During this period, the average price across the trailing quarter was $309. Booking within 0-6 days of departure typically sees prices rise significantly, with an average of $974. For those planning further ahead, flights booked 60+ days out had an average price of $358, while those booked 14-27 days in advance averaged $460.

Across the trailing quarter, a good price for a flight from Salt Lake City to Seattle was considered to be $197 or less. The median price for this route was $287. Travelers typically found that 75% of prices were below $506. These figures are based on pricing data observed over a 90-day window.

Historically, the cheapest months to fly from Salt Lake City to Seattle are April, October, and November. In April, the median price was $177, while October saw a median of $179. November also offered competitive pricing with a median of $184. The annual median price for this route was $287, indicating these months are notably more affordable.

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