Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for security appointments to reduce wait times.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $98 (Kiwi.com) |
One-way from | $69 (Delta) |
Popular in | July |
Cheapest in | March |
Average price | $239 |
Good round-trip deal | $193 or less |
Good one-way deal | $146 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Thu 2/19
10:48 pm-10:20 am
1 stop10h 32m
Salt Lake City
Tue 2/24
6:20 am-7:39 am
Nonstop2h 19m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Thu 2/19
10:48 pm-10:20 am
1 stop10h 32m
Salt Lake City
Thu 2/26
6:20 am-7:39 am
Nonstop2h 19m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Wed 2/18
8:54 pm-11:58 pm
Nonstop2h 04m
Salt Lake City
Wed 2/25
6:20 am-7:39 am
Nonstop2h 19m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Sat 1/17
5:54 pm-8:58 pm
Nonstop2h 04m
Salt Lake City
Fri 1/23
7:00 am-8:25 am
Nonstop2h 25m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Thu 1/22
7:00 pm-10:00 pm
Nonstop2h 00m
Salt Lake City
Sat 1/24
5:10 pm-6:29 pm
Nonstop2h 19m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Wed 2/11
5:30 am-8:33 am
Nonstop2h 03m
Salt Lake City
Wed 2/18
1:50 pm-3:10 pm
Nonstop2h 20m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Sun 1/18
5:25 am-8:29 am
Nonstop2h 04m
Salt Lake City
Thu 1/22
10:45 pm-12:09 am
Nonstop2h 24m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Sat 1/24
11:40 am-8:35 pm
1 stop7h 55m
Salt Lake City
Tue 1/27
5:05 pm-10:30 pm
1 stop6h 25m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Sat 1/24
12:00 pm-6:00 pm
1 stop5h 00m
Salt Lake City
Mon 1/26
3:25 pm-8:20 pm
1 stop5h 55m
SeattleSalt Lake City
SEA - SLC
SEASLC
Seattle/Tacoma Intl
Tue 1/20
5:15 am-1:40 pm
1 stop7h 25m
Salt Lake City
Tue 1/27
5:05 pm-10:30 pm
1 stop6h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Seattle to Salt Lake City, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Seattle to Salt Lake City (average of $37). Flying from Seattle to Salt Lake City in July is currently the most expensive (average of $142). 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.
It’s optimal to fly from Seattle to Salt Lake City in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Seattle to Salt Lake City flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$159 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$288 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$267 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$291 | FlexibilityNo cancel fee | On-time75% |