Seattle to Salt Lake City (SEA–SLC) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–SLC is served by 7 airlines with nonstop service. Delta Air Lines, Alaska Airlines and Air France lead the route. The flight covers 688 miles in approximately 2h 10m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines Also: AM, KE, VS, WS | 49 | 32Q, 738, 739, A21N | 2h01-2h13 | SkyTeam | AM, KE, VS, WS | |
| AS Alaska Airlines Also: AY, DE, FI, JL, JX, KE, QR | 47 | 739, 73H, 73J, 7M8, B39M, E75L | 2h03-2h15 | Oneworld | AY, DE, FI, JL, JX, KE, QR | |
| AF Air France | 0 | – | – | SkyTeam | – | |
| F9 Frontier Also: Y4 | 0 | – | – | – | Y4 | |
| HA Hawaiian Airlines | 0 | – | – | – | – | |
| OO SkyWest Airlines | 0 | – | – | – | – | |
| UA United Airlines | 0 | – | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Salt Lake City from Seattle
| Metric | SEA→SLC | BFI→SLC | TIW→SLC |
|---|---|---|---|
| Distance from SEA | – | 5 mi | 18 mi |
| Nonstop airlines | 7 | 10 | 1 |
| Weekly flights | 241 | 1 | – |
| Flight time | 2h 10m | 1h 32m | 1h 46m |
| Departure OTP | 80% | – | – |
Travel Essentials
SEA: PDT · SLC: MDT
When it's 6:00 PM in Seattle, it's 7:00 PM in Salt Lake City.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
TRAX Green Line from the airport station (inside the terminal) to downtown Salt Lake City takes 18 minutes ($2.50). Direct service to Intermodal Hub, Temple Square, and University of Utah. Running 5am to 11pm.Ride-shares to downtown cost $15–25. Taxis are available. For ski resorts, ski resort shuttles and Canyon Transportation offer door-to-door service ($40–60 to Park City). Car rental is on-site. The terminal opened in 2020 and is a single, modern facility; efficient to navigate.
Semi-arid continental climate at 1,290m elevation. Winters (November–March) bring regular snow and inversions. Temperature inversions trap cold air and pollution in the Salt Lake Valley, producing dense fog that can close or delay flights for hours. Snow is frequent but usually manageable. Inversions are the real disruption risk.
Summers are hot and dry (32–38°C) with low humidity and good flying weather. Afternoon thunderstorms occur in July and August but are brief. Spring is windy. The Great Salt Lake creates localized weather effects including lake-effect snow on the north side of the Wasatch.
SEA–SLC Quick Facts
Frequently Asked Questions
Flights from SEA to SLC
Seattle–Tacoma International Airport (SEA) and Salt Lake City International Airport (SLC) are connected by nonstop service from Delta Air Lines, Alaska Airlines, Air France, Frontier, Hawaiian Airlines, SkyWest Airlines and United Airlines. With 241 weekly departures, this is a heavily served route.
SEA to SLC Flight Duration and Schedule
Nonstop flight time from SEA to SLC is about 2 hours 10 minutes gate to gate. The route covers a distance of 688 miles (1,107 km). There are approximately 241 weekly flights outbound and 234 return, totaling 475 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Tri Cities, Portland and Spokane. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI), Tacoma (TIW) and Everett (PAE).