Sacramento (SMF) to Seattle (SEA) flights
3 airlines fly nonstop from Sacramento (SMF) to Seattle (SEA): Alaska Airlines, Delta Air Lines and Southwest Airlines. The two airports are 606 miles (975 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 16 ways to fly it with one stop, through Portland, Eugene and San Francisco and more.
Airlines flying nonstop from SMF to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book SMF 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
SMF to SEA with one stop
16 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Portland (PDX)Alaska Airlines the whole way
- Via Eugene (EUG)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via San Francisco (SFO)United Airlines the whole way
- Via Boise (BOI)Alaska Airlines the whole way
- Via Vancouver (YVR)Air Canada the whole way
- Via Spokane (GEG)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Santa Barbara (SBA)Southwest Airlines, then Alaska Airlines
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
+2 - Via Burbank (BUR)Southwest Airlines, then Alaska Airlines
- Via Los Angeles (LAX)American Airlines, Delta Air Lines and 2 more the whole way
+2+2 - Via Ontario (ONT)Frontier Airlines the whole way
- Via Long Beach (LGB)Southwest Airlines the whole way
- Via Santa Ana (SNA)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Palm Springs (PSP)Southwest Airlines, then Alaska Airlines and Delta Air Lines
SMF to SEA: common questions
Which airlines fly nonstop from SMF to SEA?
Alaska Airlines (oneworld), Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Sacramento (SMF) to Seattle (SEA).
How far is Sacramento from Seattle by plane?
Sacramento (SMF) and Seattle (SEA) are 606 miles (975 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SMF 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.
How many miles does SMF to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SMF to SEA with taxes and fees.
Where can I connect between Sacramento and Seattle?
The most direct connections are through Portland (PDX), Eugene (EUG), San Francisco (SFO), Boise (BOI) and Vancouver (YVR). On 10 of them the same airline flies both flights, for example Alaska Airlines through Portland.
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.