SEA - SLC

C$ 124 Find Cheap Flights from Seattle to Salt Lake City – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 247
Typical prices: C$ 297-C$ 552
Southwest
Mon 3/12Fri 7/12
SEA - SLC • 1 stop
Cheapest direct flights
C$ 261
Typical prices: C$ 297-C$ 556
Delta
Sun 2/12Thu 6/12
SEA - SLC • Direct
Direct flights
You can fly direct with Delta and Alaska Airlines. Average duration is 2h 06m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 299 (round-trip)
Shortest trip • 6h 03m (one-way)
Insights
Insights
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We hope you enjoy your trip to Salt Lake City!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Seattle to Salt Lake City (SEA-SLC)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Salt Lake City

Thu, 3 Dec - Mon, 7 Dec
Southwest Logo
1:00 p.m. - 9:15 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
7h 15m1 stop Phoenix Sky Harbor Intl
Southwest Logo
3:25 p.m. - 10:50 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
8h 25m1 stop Denver Intl
C$ 247Southwest
3+ days ago
Fri, 4 Dec - Mon, 7 Dec
Southwest Logo
1:00 p.m. - 9:15 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
7h 15m1 stop Phoenix Sky Harbor Intl
Southwest Logo
11:05 a.m. - 4:00 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
5h 55m1 stop Oakland
C$ 247Southwest
2 days ago
Thu, 3 Dec - Sun, 6 Dec
Southwest Logo
7:40 a.m. - 3:30 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
6h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:05 a.m. - 10:05 a.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
6h 00m1 stop Phoenix Sky Harbor Intl
C$ 247Southwest
2 days ago
Thu, 3 Dec - Mon, 7 Dec
Southwest Logo
7:40 a.m. - 3:30 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
6h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
12:10 p.m. - 7:05 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
7h 55m1 stop Phoenix Sky Harbor Intl
C$ 247Southwest
2 days ago
Wed, 2 Dec - Sun, 6 Dec
Southwest Logo
7:40 a.m. - 3:30 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
6h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:05 a.m. - 10:05 a.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
6h 00m1 stop Phoenix Sky Harbor Intl
C$ 247Southwest
2 days ago
Wed, 2 Dec - Sat, 5 Dec
Southwest Logo
7:40 a.m. - 3:30 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
6h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
3:10 p.m. - 9:50 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
7h 40m1 stop Denver Intl
C$ 247Southwest
2 days ago
Fri, 11 Dec - Sat, 12 Dec
Southwest Logo
5:15 a.m. - 2:25 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
8h 10m1 stop Phoenix Sky Harbor Intl
Southwest Logo
11:45 a.m. - 4:05 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
5h 20m1 stop Denver Intl
C$ 247Southwest
3+ days ago
Mon, 14 Dec - Tue, 22 Dec
Alaska Airlines Logo
3:24 p.m. - 6:24 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
2h 00mdirect
Alaska Airlines Logo
2:47 p.m. - 4:08 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
2h 21mdirect
C$ 303Alaska Airlines
2 hours ago
Mon, 14 Dec - Wed, 23 Dec
Alaska Airlines Logo
11:25 a.m. - 2:26 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
2h 01mdirect
Alaska Airlines Logo
7:05 a.m. - 8:43 a.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
2h 38mdirect
C$ 303Alaska Airlines
2 hours ago
Thu, 17 Dec - Tue, 22 Dec
Alaska Airlines Logo
2:54 p.m. - 5:57 p.m.SEA  Seattle/Tacoma Intl-SLC Salt Lake City
2h 03mdirect
Alaska Airlines Logo
6:34 p.m. - 8:08 p.m.SLC  Salt Lake City-SEA Seattle/Tacoma Intl
2h 34mdirect
C$ 303Alaska Airlines
2 hours ago
Booking Insights

Price, demand, and travel trends for Seattle to Salt Lake City flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Seattle to Salt Lake City typically range from C$ 297 to C$ 552. The lowest price found in the past 5 days was C$ 247, on Southwest.

What's the cheapest day of the week to fly from Seattle to Salt Lake City?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Seattle to Salt Lake City. It's 11% cheaper than the average day, while Sunday is the most expensive, with prices 7% higher.

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

•March is the cheapest month to fly from Seattle to Salt Lake City at C$ 293 round-trip.
•October (C$ 483) and November (C$ 480) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 64% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Seattle to Salt Lake City are cheapest 26 weeks before departure. Booking in this window typically costs about 59% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Salt Lake City

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Seattle to Salt Lake City flights

Low season

September

Cheapest flight

C$ 124
Beat the crowds with an average 31% drop in traveller numbers.
The most popular month to fly with an average 34% increase in traveller numbers.
One-way flight from Seattle to Salt Lake City

When to book flights from Seattle to Salt Lake City

Are your dates flexible? Find out the best times to travel from Seattle to Salt Lake City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Salt Lake City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Seattle to Salt Lake City?

    These are the earliest and latest flight times available from Seattle to Salt Lake City:

    • Earliest: departs at 5:20 am and lands at 7:26 am
    • Latest: departs at 7:55 pm and lands at 10:01 pm.

    The flight takes about 2h 06m.

  • Which cabin classes can I book on flights from Seattle to Salt Lake City?

    Only Economy Class is available on flights from Seattle to Salt Lake City.

  • How long does a flight from Seattle to Salt Lake City take?

    A direct flight from Seattle to Salt Lake City takes 2h 06m, covering 1,780 km.

  • Do I need a passport to fly from Seattle to Salt Lake City?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

  • How much should I expect to pay for a Seattle to Salt Lake City flight?

    Round-trip flights from Seattle to Salt Lake City range from C$ 297 to C$ 552, with an average of C$ 418 over the past 12 months. Anything below C$ 297 counts as a good deal.

  • How expensive are last-minute Seattle to Salt Lake City flights?

    Last-minute fares on this route (booked within two weeks of departure) run 83% above the C$ 418 route average. Book 26 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Seattle to Salt Lake City?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 299 round-trip via Los Angeles (LAX), compared to C$ 418 for direct.

  • What is the standard checked bag allowance on flights from Seattle to Salt Lake City?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 49–C$ 126 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to Salt Lake City?

    The Airbus A321neo family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • How are flight departures from Seattle to Salt Lake City spread across the day?

    Morning is the busiest departure period on Seattle to Salt Lake City flights, with 50% leaving in that window. Evening departures account for 30%, Afternoon flights for 20%, and Night flights for 0%.

  • Have flight prices from Seattle to Salt Lake City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 247 to C$ 1,260. That means the highest observed fare was about 5x higher than the lowest one.

  • Which airlines offer Wi-Fi on Seattle to Salt Lake City flights?

    Two airlines offer in-flight Wi-Fi on Seattle to Salt Lake City flights:

    • Delta
    • Alaska Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Seattle to Salt Lake City looking right now?

    One-way fares from Seattle to Salt Lake City are currently lower than usual. Average one-way flight prices are about C$ 139, which is 54% below the typical average for this route.

  • What car rental options are available at Salt Lake City Airport (SLC)?

    Salt Lake City Airport (SLC) hosts 5 major car rental companies, with daily rates averaging C$ 86 for economy cars. Top options include:

    • NU Car
    • Fox
    • Hertz
    • Dollar
    • Thrifty

  • Which airports can I use when flying from Seattle to Salt Lake City?

    Flights from Seattle to Salt Lake City usually depart from Seattle/Tacoma Intl (SEA) and arrive at Salt Lake City (SLC).

  • Which airports do connecting flights from Seattle to Salt Lake City pass through?

    One-stop flights from Seattle to Salt Lake City most commonly connect through:

    • Denver Intl (DEN) – 76% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) – 8% of one-stop connections
    • Los Angeles (LAX) – 5% of one-stop connections
    • San Francisco (SFO) – 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Salt Lake City?

    Yes. Flexible dates can save you up to 17% on flights from Seattle to Salt Lake City. Saturday is the cheapest departure day at C$ 374 round-trip on average, while Sunday is the most expensive at C$ 447, a difference of C$ 73.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Seattle to Salt Lake City?

    2 airlines operate flights between Seattle and Salt Lake City. The airlines offering direct flights on this route include:

    • Delta
    • Alaska Airlines

  • How much time can I save by choosing a different layover airport when travelling from Seattle to Salt Lake City?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 6h 03m, compared with 8h 23m via Phoenix Sky Harbor Intl (PHX) and 9h 57m via San Diego (SAN).

  • What is the time difference between Seattle and Salt Lake City?

    Salt Lake City is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Salt Lake City?

    Some of the most popular sights in Salt Lake City are Rice-Eccles Stadium & Tower, Salt Palace Convention Center, and Salt Lake City Convention and Visitors' Bureau. These are among the most viewed places in Salt Lake City on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Seattle to Salt Lake City flights?

    Among airlines operating Seattle to Salt Lake City flights:

    • Delta: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Seattle to Salt Lake City flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a carry-on bag and a checked bag in Economy Class
    • Alaska Airlines: a carry-on bag and a checked bag in Economy Class
    • Hawaiian Airlines: a cabin bag in Economy Class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Seattle to Salt Lake City flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average C$ 374, about C$ 73 less than Sunday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 59% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Salt Lake City trip for March. Fares historically average C$ 293 round-trip in that month – typically C$ 190 less than the most expensive month, which is October (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest layover option averages C$ 299 round-trip on this route – about C$ 119 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Salt Lake City Airport.

    • DoubleTree by Hilton Hotel Salt Lake City Airport
    • Microtel Inn & Suites by Wyndham Salt Lake City Airport
    • La Quinta Inn & Suites by Wyndham Salt Lake City Airport

Prefer to fly direct from Seattle to Salt Lake City?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Salt Lake City Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Salt Lake City

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

Direct returns

Salt Lake City to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

More options for your flight from Seattle to Salt Lake City

Complete your trip to Salt Lake City with a hotel stay or car rental