--- title: "Boise (BOI) to San Diego (SAN) flights: who flies it" description: "Alaska Airlines flies nonstop from BOI to SAN, about 12 flights a week, scheduled at 2h 21m. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/boi-san" url: "https://2lnr.com/routes/boi-san.md" date_modified: "2026-10-18T05:10:47Z" --- # Boise to San Diego (BOI-SAN): nonstop upgrade & award space Alaska Airlines flies the BOI to SAN nonstop about 12 times a week. In the timetable below it flies as AS 2356 and AS 2421, scheduled at 2h 21m for the 751 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See BOI to SAN on the interactive map [Get started free](https://2lnr.com/login) 12 Flights a week, 4-week average 2h 21m Scheduled flight time 751 mi Nonstop distance Free To get started ## Boise to San Diego flight schedule Scheduled nonstop departures for BOI to SAN starting October 21, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Boise (BOI) to San Diego (SAN) | Date | Flight | Airline | Departs BOI | Arrives SAN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 21 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) | | Thu, Oct 22 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | | Thu, Oct 22 | AS 2421 | Alaska Airlines, Inc. | 19:37 | 20:58 | 2h 21m | Embraer E175 | | Fri, Oct 23 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | | Fri, Oct 23 | AS 2421 | Alaska Airlines, Inc. | 19:37 | 20:58 | 2h 21m | Embraer E175 | | Sat, Oct 24 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | | Sun, Oct 25 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | | Sun, Oct 25 | AS 2421 | Alaska Airlines, Inc. | 19:37 | 20:58 | 2h 21m | Embraer E175 | | Mon, Oct 26 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | | Mon, Oct 26 | AS 2421 | Alaska Airlines, Inc. | 19:37 | 20:58 | 2h 21m | Embraer E175 | | Tue, Oct 27 | AS 2356 | Alaska Airlines, Inc. | 07:20 | 08:41 | 2h 21m | Embraer E175 | Showing all 11 scheduled BOI to SAN departures across 7 days with service, starting October 21, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every BOI to SAN date on the interactive map ## Aircraft on the Boise to San Diego nonstop Alaska Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on BOI to SAN departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Boise to San Diego to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Alaska Airlines award space was open on 8 of the 14 Boise to San Diego departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the BOI to SAN departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See BOI to SAN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boise to San Diego nonstop Carriers operating BOI to SAN nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See BOI to SAN on the interactive map → ## Frequently asked questions about BOI to SAN **How long is the flight from Boise (BOI) to San Diego (SAN)?** Every departure in the schedule table on this page is scheduled at 2h 21m from Boise (BOI) to San Diego (SAN). The nonstop covers about 751 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BOI to SAN?** Alaska Airlines is currently the only airline flying BOI to SAN nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from BOI to SAN?** About 12 nonstop flights a week run between Boise (BOI) and San Diego (SAN) in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from BOI to SAN depart?** Scheduled BOI to SAN nonstops in the next 7 days with service leave between 07:20 and 19:37, local time at Boise. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BOI to SAN nonstop?** In the schedule table on this page, BOI to SAN nonstops fly as AS 2356 and AS 2421 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on BOI to SAN?** Open the BOI to SAN route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SAN to BOI upgrade and award space](https://2lnr.com/routes/san-boi.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Boise (BOI)](https://2lnr.com/routes/boi.md), or [every route from San Diego (SAN)](https://2lnr.com/routes/san.md). Nonstops to San Diego (SAN) from other airports within 150 miles of Boise (BOI): - [Hailey (SUN) to San Diego (SAN)](https://2lnr.com/routes/sun-san.md), 97 miles from BOI Nonstops from Boise (BOI) to other airports within 150 miles of San Diego (SAN): - [Boise (BOI) to Santa Ana (SNA)](https://2lnr.com/routes/boi-sna.md), 76 miles from SAN - [Boise (BOI) to Palm Springs (PSP)](https://2lnr.com/routes/boi-psp.md), 85 miles from SAN - [Boise (BOI) to Ontario (ONT)](https://2lnr.com/routes/boi-ont.md), 94 miles from SAN - [Boise (BOI) to Los Angeles (LAX)](https://2lnr.com/routes/boi-lax.md), 110 miles from SAN - [Boise (BOI) to Burbank (BUR)](https://2lnr.com/routes/boi-bur.md), 122 miles from SAN Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss BOI to SAN upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. 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