Cheap flights from Salt Lake City to Seattle from $45
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to Seattle departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Salt Lake City to Seattle
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Delta flights from Salt Lake City to Seattle
Our best Delta deals on Salt Lake City to Seattle flight tickets
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How to get the cheapest flight ticket from Salt Lake City to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, March is the cheapest month to fly from Salt Lake City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $159. If you don’t want to visit Seattle in March, then you should wait until January to fly from Salt Lake City, when ticket prices are also cheap, with an average price of $177.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Salt Lake City is on a Thursday. momondo users have found tickets for Thursday departures for as low as $509. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Salt Lake City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $710.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Salt Lake City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $400 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $1,041. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Salt Lake City to Seattle/Tacoma Intl flight route?
Fly from Salt Lake City to Seattle/Tacoma Intl for the best Salt Lake City - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Salt Lake City when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $231 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Salt Lake City for as low as $199 on momondo.
What cabin class options are available on Salt Lake City to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Salt Lake City to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Salt Lake City to Seattle/Tacoma Intl?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Salt Lake City to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from Salt Lake City according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Salt Lake City to Seattle on average per day?
The number of flights available between Salt Lake City and Seattle is 36 per day as of April 2025. The most frequent departure time is 5:00PM, with 45% of daily flights leaving at noon.
How many flights depart from Salt Lake City to Seattle on average per week?
258 flights are operational weekly from Salt Lake City to Seattle as of April 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
When to book flights from Salt Lake City to Seattle
Cheap Salt Lake City to Seattle (SLC to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Seattle
Best Price Found | $45 |
|---|---|
Fastest flight time | 2h 08m |
Direct flights | Tue, Wed, Thu, Fri, Sat and Sun |
Airports in Seattle | 1 airport |
How far is Salt Lake City to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 700.5 mi away from Salt Lake City. By plane, this route typically takes 2h 08m.
When did momondo last update prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
As of April 2025, there are 6 operators available to choose from for flights from Salt Lake City Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Salt Lake City Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Salt Lake City to Seattle?
Based on momondo bookings for flights between Salt Lake City and Seattle, the leading plane model is Boeing 737-900, making up 21.23% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 11.97%, Airbus A321neo with 11.48%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 8.90%.
What is the most popular airline from Salt Lake City to Seattle?
momondo data reveals that the most frequently booked airline on the route from Salt Lake City to Seattle is Alaska Airlines, representing 41% of all bookings. The subsequent popular airlines are Delta at 33%, Frontier at 22%, and Spirit Airlines at 2%.
Best airlines flying from Salt Lake City to Seattle
Compare and see reviews for airlines that fly from Salt Lake City to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $84 | Free Cancellation | Rating 6.3 7,941 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 7.9 2,393 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 7,919 reviews | |||
| PriceFrom $171 | Free Cancellation | Rating 8.0 9,927 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.4 8,685 reviews |
Delta Flights From Salt Lake City to Seattle
Delta flies from Salt Lake City to Seattle around 35 times per week, with 7,920 momondo users rating the airline 8.0/10. The cheapest Delta deal from Salt Lake City to Seattle in the last 72 hours was $118 (round-trip), much lower than the average airfare cost of $260 for Delta flights on this route.
Alaska Airlines Flights From Salt Lake City to Seattle
The best Alaska Airlines deal for Salt Lake City to Seattle flight tickets found on momondo in the last 72 hours was $171, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $286 round-trip. Alaska Airlines operates 18 flights out of Salt Lake City into Seattle in an average week, so prices vary by time and availability. 9,918 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Salt Lake City to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Salt Lake City to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Salt Lake City to Seattle with flexible booking policies on momondo?
Flights from Salt Lake City to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Salt Lake City to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Salt Lake City.
I’m not ready to book a flight from Salt Lake City to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Salt Lake City and alert you when they change.