Boise (BOI) to San Diego (SAN) flights
2 airlines fly nonstop from Boise (BOI) to San Diego (SAN): Alaska Airlines and Southwest Airlines. The two airports are 751 miles (1,208 km) apart. Alaska Airlines is in oneworld. There are also 14 ways to fly it with one stop, through Las Vegas, Los Angeles and Salt Lake City and more.
Airlines flying nonstop from BOI to SAN
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book BOI to SAN 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
BOI to SAN with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Southwest Airlines, Alaska Airlines and 1 more the whole way
+1 - Via Los Angeles (LAX)Delta Air Lines the whole way
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Sacramento (SMF)Alaska Airlines and Southwest Airlines the whole way
- Via San Jose (SJC)Alaska Airlines and Southwest Airlines the whole way
- Via Oakland (OAK)Southwest Airlines the whole way
- Via San Francisco (SFO)United Airlines and Alaska Airlines the whole way+1
- Via Santa Rosa (STS)Alaska Airlines the whole way
- Via Phoenix (PHX)American Airlines, Southwest Airlines and 1 more the whole way
+1 - Via Bozeman (BZN)Alaska Airlines the whole way
- Via Portland (PDX)Alaska Airlines the whole way
- Via Spokane (GEG)Alaska Airlines the whole way
- Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+1
BOI to SAN: common questions
Which airlines fly nonstop from BOI to SAN?
Alaska Airlines (oneworld) and Southwest Airlines fly nonstop from Boise (BOI) to San Diego (SAN).
How far is Boise from San Diego by plane?
Boise (BOI) and San Diego (SAN) are 751 miles (1,208 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BOI to SAN 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 BOI to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOI to SAN with taxes and fees.
Where can I connect between Boise and San Diego?
The most direct connections are through Las Vegas (LAS), Los Angeles (LAX), Salt Lake City (SLC), Sacramento (SMF) and San Jose (SJC). On 14 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.
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.