Find cheap airlines flights from Seattle to Salt Lake City

You can choose from 4 airlines that fly from Seattle to Salt Lake City, including Delta Air Lines, Alaska Airlines, and Frontier Airlines. Alaska Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Alaska Airlines logo Alaska Airlines
Frontier Airlines logo Frontier Airlines
Hawaiian Airlines logo Hawaiian Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Salt Lake City according to previous 12 months data from Trip.com.

Book direct flights from Seattle to Salt Lake City: One way flights from $137, round trip flights from $219. Find flight deals for the next 3 months below.

Displayed flight fares from Seattle to Salt Lake City are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Seattle to Salt Lake City

The distance between Seattle and Salt Lake City is approximately 1,106.27 km. It takes around 2 hours 6 minutes on average to fly from Seattle to Salt Lake City. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$104
Cheapest round-trip ticket price$212
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,106.27 km
Average flight time2 hours 6 minutes
Popular airlineDelta Air Lines
Flight statistics for the Seattle–Salt Lake City route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seattle to Salt Lake City

Which month has the cheapest one-way flights from Seattle to Salt Lake City?

The average price of one-way flights from Seattle to Salt Lake City purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seattle to Salt Lake City is February, with an average price of $101; while the month with the highest flight price is usually July, with an average price of up to $293.

$293
$197
$101
$5
    Cheapest
  • $211
    Jun
  • $293
    Jul
  • $236
    Aug
  • $181
    Sep
  • $267
    Oct
  • $208
    Nov
  • $134
    Dec
  • $177
    Jan
  • $101
    Feb
  • $145
    Mar
  • $158
    Apr
  • $196
    May

When is the cheapest day to fly from Seattle to Salt Lake City during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Seattle to Salt Lake City during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Seattle to Salt Lake City are available on Jun 20, with fares starting at $177.

$199
$188
$177
$166
    Cheapest
  • $199
    16
    Jun
  • $193
    17
  • $182
    18
  • $198
    19
  • $177
    20
  • $184
    21

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Salt Lake City (SEA-SLC)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $104 on Cheapest nonstop routes (e.g. SEA to SLC on Tue, Jul 28), while Frontier Airlines offers Cheapest nonstop round-trips from $212 departing on Wed, Jul 8 and returning on Sat, Jul 11.
  • At the moment, you can catch a nonstop flight from Seattle to Salt Lake City with the following airlines, including: Alaska Airlines Hawaiian Airlines Frontier Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 6 minutes to fly from Seattle (SEA) to Salt Lake City (SLC).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Salt Lake City is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 75 flight per week flying from Seattle to Salt Lake City. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: -/-/-/-/-/-/- -- AS619 (16:33)
  • To find best deals on flights from Seattle to Salt Lake City, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jul 28, with one-way flights priced at just $104.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Salt Lake City travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Salt Lake City is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Seattle to Salt Lake City on June 24, 2026 with Frontier Airlines, with prices starting at $99.
  • You can land at any one of the following hubs in Salt Lake City, with Seattle-Tacoma International Airport to Salt Lake City International Airport (SEA-SLC) is by far the most common option on this route: Salt Lake City International Airport (SLC).
  • The time difference between Salt Lake City and Seattle is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.