Route guide
Cheap Flights from Seattle to Salt Lake City: Book Airline Tickets
- Distance
- about 690 mi
- Typical flight time
- 1 h 45 min – 2 h 45 min
- Airports
- 1 × 1
- Time difference
- 1 h ahead
This page covers the practical side of flying between Seattle and Salt Lake City: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Seattle to Salt Lake City is about 690 miles (1,110 km) and a typical flight takes 1 h 45 min to 2 h 45 min. Salt Lake City is 1 hour ahead of Seattle. Seattle has 1 airport to compare and Salt Lake City has 1.
Airport pairs to compare
Seattle's airport is connected to downtown by light rail, which makes arrival simple even at busy times. Salt Lake City's airport sits close to downtown and is the usual gateway to nearby ski resorts and national parks.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| SEA to SLC | Seattle-Tacoma International | Salt Lake City International |
About the airports
- SEA · Seattle-Tacoma International
Connected to downtown by Link light rail. - SLC · Salt Lake City International
The main airport, close to downtown and a hub for Delta.
Airlines with a major base at either end
- At Seattle: Delta Air Lines, Alaska Airlines
- At Salt Lake City: Delta Air Lines
Delta Air Lines has a base at both ends, which can make nonstop service more likely. Schedules change, so a specialist confirms what actually operates on your dates.
When to go and what to expect
Seattle
July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower.
Salt Lake City
Ski season (roughly December through March) and summer are the busiest periods. Winter storms can disrupt flights.
How long is Seattle to Salt Lake City?
At about 690 miles, Seattle to Salt Lake City is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
Salt Lake City is 1 hour ahead of Seattle, so you land at a local time 1 hour later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Seattle: Link light rail runs from the airport to downtown in roughly 40 minutes.
Salt Lake City: TRAX light rail runs from the airport to downtown Salt Lake City. Shuttles and rental cars serve the ski areas.
Planning ground transport too? See our car rental guide.
Good to know
- Alaska cruises depart from the city roughly from spring through early fall, which can lift demand and hotel prices at that time.
- If you are heading to a ski area, allow extra time on canyon roads in winter, and watch the forecast before travel day.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Salt Lake City to Seattle?
This route guide works in both directions. For other trips, see all flights from Seattle or all flights from Salt Lake City.
Frequently asked questions
How far is Seattle from Salt Lake City?
The straight-line distance between the main airports is about 690 miles (1,110 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Seattle to Salt Lake City?
A typical scheduled flight takes roughly 1 h 45 min to 2 h 45 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Seattle: SEA (Seattle-Tacoma International). At Salt Lake City: SLC (Salt Lake City International). Ask for prices on more than one pairing.
Is there a time difference?
Salt Lake City is 1 hour ahead of Seattle.
When is the best time to fly from Seattle to Salt Lake City?
In Seattle: July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower. In Salt Lake City: Ski season (roughly December through March) and summer are the busiest periods. Winter storms can disrupt flights. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Seattle to Salt Lake City?
Airlines with a major base at either end include Delta Air Lines and Alaska Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.