United States Β· 687 miles (1,106 km)

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

Alaska Atmos Rewards logo
4,500 milesCheapest economy award, one way, with Alaska Atmos Rewards

An economy award from Seattle (SEA) to Salt Lake City (SLC) 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 Seattle (SEA) to Salt Lake City (SLC): 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 SEA to SLC 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.

ProgramEconomyTaxes and fees
Alaska Atmos RewardsOn Alaska Airlines4,500$5.60
Iberia ClubOn Alaska Airlines9,000$5.60
Cathay Pacific Asia MilesOn Alaska Airlines10,000$5.60
Starlux (COSMILE)On Alaska Airlines10,000$38.60
Virgin Atlantic Flying ClubOn Delta Air Lines11,000$5.60
JAL Mileage BankOn Alaska Airlines12,000$5.60
American AAdvantageOn Alaska Airlines12,500$5.60
Qatar Airways Privilege ClubOn Alaska Airlines13,000$5.60
SAS EuroBonusOn Delta Air Lines15,000$56–112
British Airways ClubOn Alaska Airlines16,000$5.60
Qantas Frequent FlyerOn Alaska Airlines16,100$5.60
Finnair PlusOn Alaska Airlines17,500$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 Pricer

Airlines flying nonstop from SEA to SLC

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

Book SEA to SLC with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to SLC 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
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Pasco (PSC)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Sun Valley (SUN)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Lewiston (LWS)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Redmond (RDM)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Idaho Falls (IDA)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Portland (PDX)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Spokane (GEG)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Missoula (MSO)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Jackson (JAC)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Eugene (EUG)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Bozeman (BZN)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Helena (HLN)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Kalispell (FCA)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Vancouver (YVR)Delta Air Lines the whole way
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
See all 37 in Routes

SEA to SLC: common questions

How many miles does SEA to SLC 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 SEA to SLC?

Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Seattle (SEA) to Salt Lake City (SLC).

How far is Seattle from Salt Lake City by plane?

Seattle (SEA) and Salt Lake City (SLC) 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 SEA to SLC 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 Seattle and Salt Lake City?

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.