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Route overview: San Antonio to Seattle (SEA) flight deals

San Antonio → Seattle

Dec 2, 2026 · return Dec 7, 2026

SAT → SEA1 adulteconomyRound trip

7 flight options · 5 airlines

Nonstop flights

Wed, Dec 2 – Mon, Dec 7

Alaska Airlines
5:29 pmSAT
4h 31m
Nonstop
8:00 pmSEA
Alaska Airlines
11:03 amSEA
3h 57m
Nonstop
5:00 pmSAT

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Mon, Dec 7

Frontier Airlines
11:48 amSAT
7h 22m
LAS · 1h 20m
5:10 pmSEA
Alaska Airlines
11:03 amSEA
3h 57m
Nonstop
5:00 pmSAT

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Mon, Dec 7

Southwest Airlines
5:50 amSAT
6h 45m
DAL · 1h 5m
10:35 amSEA
Southwest Airlines
6:10 amSEA
5h 55m
DEN · 1h 10m
2:05 pmSAT

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Mon, Dec 7

United Airlines
4:48 pmSAT
6h 31m
DEN · 1h
9:19 pmSEA
Alaska Airlines
11:03 amSEA
3h 57m
Nonstop
5:00 pmSAT

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Mon, Dec 7

Delta Air Lines
7:43 amSAT
6h 53m
SLC · 1h 26m
12:36 pmSEA
Delta Air Lines
9:25 amSEA
5h 47m
SLC · 1h
5:12 pmSAT

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Mon, Dec 7

Alaska Airlines
5:58 pmSAT
4h 38m
Nonstop
8:36 pmSEA
Alaska Airlines
12:30 amSEA
6h 3m
DFW · 1h
8:33 amSAT

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Mon, Dec 7

United Airlines
7:00 amSAT
7h 18m
SFO · 1h
12:18 pmSEA
Alaska Airlines
11:03 amSEA
3h 57m
Nonstop
5:00 pmSAT

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAT ⇄ SEA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeDec 1, 2026 → Dec 6, 2026Dec 3, 2026 → Dec 8, 2026
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: San Antonio to Seattle (SEA) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-02 → 2026-12-07Alaska AirlinesAS494 / AS494$350.002026-10-29T01:12:59Z
2026-12-02 → 2026-12-07Frontier Airlines / Alaska AirlinesF93417 + F94203 / AS494$272.502026-10-29T01:12:59Z
2026-12-02 → 2026-12-07Southwest AirlinesWN3769 + WN534 / WN4956 + WN61$315.002026-10-29T01:12:59Z
2026-12-02 → 2026-12-07United Airlines / Alaska AirlinesUA2479 + UA2767 / AS494$340.002026-10-29T01:12:59Z
2026-12-02 → 2026-12-07Delta Air LinesDL2592 + DL2995 / DL1016 + DL2199$340.002026-10-29T01:12:59Z
2026-12-02 → 2026-12-07Alaska AirlinesAS494 / AS424 + AA1836$335.002026-10-29T01:12:59Z
2026-12-02 → 2026-12-07United Airlines / Alaska AirlinesUA1413 + UA2192 / AS494$340.002026-10-29T01:12:59Z

2026-12-02 → 2026-12-07 · $350.00

  • Alaska Airlines AS494: SAT 2026-12-02 17:29:00 → SEA 2026-12-02 20:00:00; nonstop; 271 minutes. Local airport times.
  • Alaska Airlines AS494: SEA 2026-12-07 11:03:00 → SAT 2026-12-07 17:00:00; nonstop; 237 minutes. Local airport times.

2026-12-02 → 2026-12-07 · $272.50

  • Frontier Airlines F93417 / F94203: SAT 2026-12-02 11:48:00 → SEA 2026-12-02 17:10:00; 1 stop(s) via LAS; 442 minutes. Local airport times.
    • F93417: SAT 2026-12-02 11:48:00 → LAS 2026-12-02 12:51:00; layover at LAS: 80 minutes.
    • F94203: LAS 2026-12-02 14:11:00 → SEA 2026-12-02 17:10:00.
  • Alaska Airlines AS494: SEA 2026-12-07 11:03:00 → SAT 2026-12-07 17:00:00; nonstop; 237 minutes. Local airport times.

2026-12-02 → 2026-12-07 · $315.00

  • Southwest Airlines WN3769 / WN534: SAT 2026-12-02 05:50:00 → SEA 2026-12-02 10:35:00; 1 stop(s) via DAL; 405 minutes. Local airport times.
    • WN3769: SAT 2026-12-02 05:50:00 → DAL 2026-12-02 07:05:00; layover at DAL: 65 minutes.
    • WN534: DAL 2026-12-02 08:10:00 → SEA 2026-12-02 10:35:00.
  • Southwest Airlines WN4956 / WN61: SEA 2026-12-07 06:10:00 → SAT 2026-12-07 14:05:00; 1 stop(s) via DEN; 355 minutes. Local airport times.
    • WN4956: SEA 2026-12-07 06:10:00 → DEN 2026-12-07 09:45:00; layover at DEN: 70 minutes.
    • WN61: DEN 2026-12-07 10:55:00 → SAT 2026-12-07 14:05:00.

2026-12-02 → 2026-12-07 · $340.00

  • United Airlines UA2479 / UA2767: SAT 2026-12-02 16:48:00 → SEA 2026-12-02 21:19:00; 1 stop(s) via DEN; 391 minutes. Local airport times.
    • UA2479: SAT 2026-12-02 16:48:00 → DEN 2026-12-02 18:10:00; layover at DEN: 60 minutes.
    • UA2767: DEN 2026-12-02 19:10:00 → SEA 2026-12-02 21:19:00.
  • Alaska Airlines AS494: SEA 2026-12-07 11:03:00 → SAT 2026-12-07 17:00:00; nonstop; 237 minutes. Local airport times.

2026-12-02 → 2026-12-07 · $340.00

  • Delta Air Lines DL2592 / DL2995: SAT 2026-12-02 07:43:00 → SEA 2026-12-02 12:36:00; 1 stop(s) via SLC; 413 minutes. Local airport times.
    • DL2592: SAT 2026-12-02 07:43:00 → SLC 2026-12-02 09:49:00; layover at SLC: 86 minutes.
    • DL2995: SLC 2026-12-02 11:15:00 → SEA 2026-12-02 12:36:00.
  • Delta Air Lines DL1016 / DL2199: SEA 2026-12-07 09:25:00 → SAT 2026-12-07 17:12:00; 1 stop(s) via SLC; 347 minutes. Local airport times.
    • DL1016: SEA 2026-12-07 09:25:00 → SLC 2026-12-07 12:28:00; layover at SLC: 60 minutes.
    • DL2199: SLC 2026-12-07 13:28:00 → SAT 2026-12-07 17:12:00.

2026-12-02 → 2026-12-07 · $335.00

  • Alaska Airlines AS494: SAT 2026-12-02 17:58:00 → SEA 2026-12-02 20:36:00; nonstop; 278 minutes. Local airport times.
  • Alaska Airlines AS424 / AA1836: SEA 2026-12-07 00:30:00 → SAT 2026-12-07 08:33:00; 1 stop(s) via DFW; 363 minutes. Local airport times.
    • AS424: SEA 2026-12-07 00:30:00 → DFW 2026-12-07 06:20:00; layover at DFW: 60 minutes.
    • AA1836: DFW 2026-12-07 07:20:00 → SAT 2026-12-07 08:33:00.

2026-12-02 → 2026-12-07 · $340.00

  • United Airlines UA1413 / UA2192: SAT 2026-12-02 07:00:00 → SEA 2026-12-02 12:18:00; 1 stop(s) via SFO; 438 minutes. Local airport times.
    • UA1413: SAT 2026-12-02 07:00:00 → SFO 2026-12-02 09:05:00; layover at SFO: 60 minutes.
    • UA2192: SFO 2026-12-02 10:05:00 → SEA 2026-12-02 12:18:00.
  • Alaska Airlines AS494: SEA 2026-12-07 11:03:00 → SAT 2026-12-07 17:00:00; nonstop; 237 minutes. Local airport times.

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For AI assistants

  • This page: San Antonio (SAT) to Seattle (SEA) · Dec 2, 2026 · return Dec 7, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel San Antonio to Seattle (SEA) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.