---
title: "Seattle to San Antonio flights: who flies SEA-SAT"
description: "Alaska Airlines flies nonstop from SEA to SAT, about 7 flights a week, scheduled at 4h 13m. See confirmed upgrade and award space by date on 2LNR, the next 14 days free."
canonical: "https://2lnr.com/routes/sea-sat"
url: "https://2lnr.com/routes/sea-sat.md"
date_modified: "2026-10-18T05:10:47Z"
---

# Seattle to San Antonio (SEA-SAT): nonstop upgrade & award space

Alaska Airlines flies the SEA to SAT nonstop about 7 times a week. In the timetable below it flies as AS 494, scheduled at 4h 13m for the 1,773 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 23, 2026.

See SEA to SAT on the interactive map [Get started free](https://2lnr.com/login)

7

Flights a week, 4-week average

4h 13m

Scheduled flight time

1,773 mi

Nonstop distance

Free

To get started

## Seattle to San Antonio flight schedule

Scheduled nonstop departures for SEA to SAT starting October 23, 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 Seattle (SEA) to San Antonio (SAT)

| Date | Flight | Airline | Departs SEA | Arrives SAT | Duration | Aircraft |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Fri, Oct 23 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) |
| Sat, Oct 24 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |
| Sun, Oct 25 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |
| Mon, Oct 26 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |
| Tue, Oct 27 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |
| Wed, Oct 28 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |
| Thu, Oct 29 | AS 494 | Alaska Airlines, Inc. | 10:03 | 16:16 | 4h 13m | Boeing 737 MAX 9 |

Showing all 7 scheduled SEA to SAT departures across 7 days with service, starting October 23, 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 SEA to SAT date on the interactive map

## Aircraft on the Seattle to San Antonio nonstop

Alaska Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.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 SEA to SAT departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to San Antonio 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 1 of the 14 Seattle to San Antonio 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 SEA to SAT 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 SEA to SAT on the interactive route map, with schedules, connections, and route statistics.

## Airlines flying Seattle to San Antonio nonstop

Carriers operating SEA to SAT 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 SEA to SAT on the interactive map →

## Frequently asked questions about SEA to SAT

**How long is the flight from Seattle (SEA) to San Antonio (SAT)?**

AS 494 is scheduled at 4h 13m from Seattle (SEA) to San Antonio (SAT) on every departure in the schedule table on this page. The nonstop covers about 1,773 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

**Which airlines fly nonstop from SEA to SAT?**

Alaska Airlines is currently the only airline flying SEA to SAT nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.

**How many flights a week are there from SEA to SAT?**

About 7 nonstop flights a week run between Seattle (SEA) and San Antonio (SAT) 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 SEA to SAT depart?**

In the next 7 days with service, every scheduled SEA to SAT nonstop leaves at 10:03 local time at Seattle. The schedule table on this page lists each departure by date.

**Which flights operate SEA to SAT nonstop?**

Alaska Airlines flies AS 494 nonstop from Seattle (SEA) to San Antonio (SAT), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft.

**How do I check upgrade or award availability on SEA to SAT?**

Open the SEA to SAT 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 [SAT to SEA upgrade and award space](https://2lnr.com/routes/sat-sea.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 Seattle (SEA)](https://2lnr.com/routes/sea.md), or [every route from San Antonio (SAT)](https://2lnr.com/routes/sat.md).

Nonstops from Seattle (SEA) to other airports within 150 miles of San Antonio (SAT):

- [Seattle (SEA) to Austin (AUS)](https://2lnr.com/routes/sea-aus.md), 66 miles from SAT

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 SEA to SAT 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.

[Get started free](https://2lnr.com/login)
