Salt Lake City (SLC) to Seattle (SEA) flights

An economy award from Salt Lake City (SLC) to Seattle (SEA) starts at 4,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. 2 airlines fly nonstop from Salt Lake City (SLC) to Seattle (SEA): Alaska Airlines and Delta Air Lines. The two airports are 687 miles (1,106 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 37 ways to fly it with one stop, through Boise, Pasco and Sun Valley and more.
How many miles SLC to SEA costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| Alaska Atmos RewardsOn Alaska Airlines | 4,500 | $5.60 |
| Iberia ClubOn Alaska Airlines | 9,000 | $5.60 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 10,000 | $5.60 |
| Starlux (COSMILE)On Alaska Airlines | 10,000 | $38.60 |
| Virgin Atlantic Flying ClubOn Delta Air Lines | 11,000 | $5.60 |
| JAL Mileage BankOn Alaska Airlines | 12,000 | $5.60 |
| American AAdvantageOn Alaska Airlines | 12,500 | $5.60 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 13,000 | $5.60 |
| SAS EuroBonusOn Delta Air Lines | 15,000 | $56β112 |
| British Airways ClubOn Alaska Airlines | 16,000 | $5.60 |
| Qantas Frequent FlyerOn Alaska Airlines | 16,100 | $5.60 |
| Finnair PlusOn Alaska Airlines | 17,500 | $5.60 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from SLC to SEA
- Alaska Airlinesoneworld Β· bookable with 9 programsWho books it

- Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

Book SLC to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SLC to SEA with one stop
37 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Boise (BOI)Delta Air Lines the whole way



- Via Pasco (PSC)Delta Air Lines the whole way



- Via Sun Valley (SUN)Delta Air Lines the whole way



- Via Lewiston (LWS)Delta Air Lines the whole way


- Via Redmond (RDM)Delta Air Lines the whole way



- Via Idaho Falls (IDA)Delta Air Lines, then Alaska Airlines


- Via Portland (PDX)Alaska Airlines and Delta Air Lines the whole way




- Via Spokane (GEG)Delta Air Lines the whole way



- Via Jackson (JAC)Delta Air Lines, then Alaska Airlines


- Via Missoula (MSO)Delta Air Lines, then Alaska Airlines


- Via Eugene (EUG)Delta Air Lines the whole way



- Via Bozeman (BZN)Delta Air Lines the whole way



- Via Helena (HLN)Delta Air Lines, then Alaska Airlines


- Via Kalispell (FCA)Delta Air Lines, then Alaska Airlines


- Via Vancouver (YVR)Delta Air Lines the whole way




SLC to SEA: common questions
How many miles does SLC to SEA cost?
In economy it starts at 4,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. Next cheapest: Iberia Club (9,000), Cathay Pacific Asia Miles (10,000) and Starlux (COSMILE) (10,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
Which airlines fly nonstop from SLC to SEA?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Salt Lake City (SLC) to Seattle (SEA).
How far is Salt Lake City from Seattle by plane?
Salt Lake City (SLC) and Seattle (SEA) are 687 miles (1,106 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SLC to SEA award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
Where can I connect between Salt Lake City and Seattle?
The most direct connections are through Boise (BOI), Pasco (PSC), Sun Valley (SUN), Lewiston (LWS) and Redmond (RDM). On 23 of them the same airline flies both flights, for example Delta Air Lines through Boise.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.










