Long Beach (LGB) to Seattle (SEA) flights
2 airlines fly nonstop from Long Beach (LGB) to Seattle (SEA): Alaska Airlines and Southwest Airlines. The two airports are 966 miles (1,555 km) apart. Alaska Airlines is in oneworld. There are also 10 ways to fly it with one stop, through Reno, Portland and Sacramento and more.
Airlines flying nonstop from LGB to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book LGB to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
LGB to SEA with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Reno (RNO)Southwest Airlines, then Alaska Airlines
- Via Portland (PDX)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Sacramento (SMF)Southwest Airlines the whole way
- Via San Jose (SJC)Southwest Airlines the whole way
- Via Oakland (OAK)Southwest Airlines the whole way
- Via Las Vegas (LAS)Southwest Airlines the whole way+2
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Phoenix (PHX)Southwest Airlines the whole way
+1 - Via Albuquerque (ABQ)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Denver (DEN)Southwest Airlines the whole way+3
LGB to SEA: common questions
Which airlines fly nonstop from LGB to SEA?
Alaska Airlines (oneworld) and Southwest Airlines fly nonstop from Long Beach (LGB) to Seattle (SEA).
How far is Long Beach from Seattle by plane?
Long Beach (LGB) and Seattle (SEA) are 966 miles (1,555 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book LGB to SEA award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does LGB 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 LGB to SEA with taxes and fees.
Where can I connect between Long Beach and Seattle?
The most direct connections are through Reno (RNO), Portland (PDX), Sacramento (SMF), San Jose (SJC) and Oakland (OAK). On 7 of them the same airline flies both flights, for example Southwest Airlines through Sacramento.
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.