Seattle to San Diego (SEA-SAN): nonstop upgrade & award space

Alaska Airlines, Delta Air Lines, and American Airlines fly nonstop between Seattle (SEA) and San Diego (SAN), roughly 89 times a week. With Alaska Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, Delta Air Lines, and American Airlines, on every SEA to SAN departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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89
Nonstop flights a week
1,051 mi
Nonstop distance
Free
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Seattle to San Diego flight schedule

Scheduled nonstop departures for SEA to SAN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seattle (SEA) to San Diego (SAN)
Date Flight Airline Departs SEA Arrives SAN Duration Aircraft
DL 2508Delta Air Lines07:1510:092h 54m738
AS 1367Alaska Airlines, Inc.07:4010:463h 6m7M9
AS 650Alaska Airlines, Inc.08:4111:453h 4m73J
DL 2533Delta Air Lines09:4512:422h 57m738
AS 697Alaska Airlines, Inc.10:1313:213h 8m73H
AS 621Alaska Airlines, Inc.11:3214:423h 10m7M9
DL 2572Delta Air Lines12:2815:272h 59m738
AS 765Alaska Airlines, Inc.14:1817:132h 55m7M9
DL 2613Delta Air Lines15:1518:002h 45m738
AS 635Alaska Airlines, Inc.16:5919:542h 55m73J
DL 2672Delta Air Lines18:1521:092h 54m739
AS 247Alaska Airlines, Inc.20:4023:352h 55m7M9
DL 2508Delta Air Lines07:1510:092h 54m738
AS 1367Alaska Airlines, Inc.07:4010:463h 6m7M9
AS 650Alaska Airlines, Inc.08:4111:453h 4m73J
DL 2533Delta Air Lines09:4512:422h 57m738
AS 697Alaska Airlines, Inc.10:1313:213h 8m7M9
AS 621Alaska Airlines, Inc.11:3214:423h 10m7M9
DL 2572Delta Air Lines12:2815:272h 59m738
AS 765Alaska Airlines, Inc.14:1817:132h 55m7M9
DL 2613Delta Air Lines15:1518:002h 45m738
AS 635Alaska Airlines, Inc.16:5919:542h 55m73J
DL 2672Delta Air Lines18:1521:092h 54m739
AS 247Alaska Airlines, Inc.18:2121:162h 55m737
AS 604Alaska Airlines, Inc.20:4923:442h 55m73J
DL 2508Delta Air Lines07:1510:092h 54m738
AS 1367Alaska Airlines, Inc.07:4010:463h 6m73H
AS 650Alaska Airlines, Inc.08:4111:453h 4m73H
DL 2533Delta Air Lines09:4512:422h 57m738
AS 697Alaska Airlines, Inc.10:1313:213h 8m737
AS 621Alaska Airlines, Inc.11:3214:423h 10m73J
DL 2572Delta Air Lines12:2815:272h 59m738
AS 765Alaska Airlines, Inc.14:1817:132h 55m73H
DL 2613Delta Air Lines15:1518:002h 45m738
AS 635Alaska Airlines, Inc.16:5919:542h 55m7M9
DL 2672Delta Air Lines18:1521:092h 54m739
AS 247Alaska Airlines, Inc.18:2121:162h 55m73H
AS 604Alaska Airlines, Inc.20:4923:442h 55m7M9
DL 2508Delta Air Lines07:1510:092h 54m738
AS 1367Alaska Airlines, Inc.07:4010:463h 6m73H

Showing the first 40 of 88 scheduled SEA to SAN departures across the next 7 days with service. Every remaining date is 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SEA to SAN date on the interactive map

Confirmed upgrade & award space on SEA to SAN departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, Delta Air Lines, and American Airlines, segment by segment and date by date. Open the calendar for Seattle to San Diego to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SEA to SAN departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SEA to SAN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to San Diego nonstop

Carriers operating SEA to SAN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SEA to SAN on the interactive map →

Frequently asked questions about SEA to SAN

How far is San Diego from Seattle?
SEA to SAN covers about 1,051 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SEA to SAN?
Alaska Airlines, Delta Air Lines, and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, Delta Air Lines, and American Airlines.
How many flights a week are there from SEA to SAN?
About 89 nonstop flights a week run between Seattle and San Diego in the current schedule, operated by Alaska Airlines, Delta Air Lines, and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SEA to SAN depart?
Scheduled SEA to SAN nonstops in the next 7 days with service leave between 07:15 and 20:49, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SEA to SAN?
Open the SEA to SAN route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, Delta Air Lines, and American 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.

Never miss SEA to SAN upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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