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Washington → San Antonio

Dec 18, 2026 · return Jan 1, 2027

DCA → SAT1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Fri, Dec 18 – Fri, Jan 1

American Airlines
5:30 pmDCA
3h 59m
Nonstop
8:29 pmSAT
American Airlines
7:48 amSAT
3h 10m
Nonstop
11:58 amDCA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 18 – Fri, Jan 1

Southwest Airlines
9:00 amDCA
6h 35m
MSY · 2h
2:35 pmSAT
Southwest Airlines
2:50 pmSAT
5h 5m
DAL · 1h 10m
8:55 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Jan 1

Delta Air Lines
6:00 amDCA
6h 51m
ATL · 2h 11m
11:51 amSAT
American Airlines
7:48 amSAT
3h 10m
Nonstop
11:58 amDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Jan 1

Southwest Airlines
12:40 pmDCA
6h 20m
MCI · 1h 30m
6:00 pmSAT
Southwest Airlines
2:50 pmSAT
5h 5m
DAL · 1h 10m
8:55 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Jan 1

Southwest Airlines
6:55 pmDCA
6h 15m
STL · 1h 25m
12:10 am+1SAT
Southwest Airlines
2:50 pmSAT
5h 5m
DAL · 1h 10m
8:55 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Jan 1

Southwest Airlines
6:05 amDCA
5h 30m
BNA · 1h 15m
10:35 amSAT
Southwest Airlines
2:50 pmSAT
5h 5m
DAL · 1h 10m
8:55 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Jan 1

American Airlines
5:30 pmDCA
4h
Nonstop
8:30 pmSAT
American Airlines
9:13 amSAT
5h 46m
CLT · 1h 31m
3:59 pmDCA

Round-trip total · 1 adult · Taxes included

Make this trip yours

DCA ⇄ SAT

Economy

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

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-18 → 2027-01-01American AirlinesAA1947 / AA1718$419.652026-10-29T01:02:41Z
2026-12-18 → 2027-01-01Southwest AirlinesWN1539 + WN3136 / WN3769 + WN1362$365.152026-10-29T01:02:41Z
2026-12-18 → 2027-01-01Delta Air Lines / American AirlinesDL410 + DL1408 / AA1718$409.652026-10-29T01:02:41Z
2026-12-18 → 2027-01-01Southwest AirlinesWN1527 + WN802 / WN3769 + WN1362$365.152026-10-29T01:02:41Z
2026-12-18 → 2027-01-01Southwest AirlinesWN1548 + WN4793 / WN3769 + WN1362$365.152026-10-29T01:02:41Z
2026-12-18 → 2027-01-01Southwest AirlinesWN2171 + WN1120 / WN3769 + WN1362$365.152026-10-29T01:02:41Z
2026-12-18 → 2027-01-01American AirlinesAA1947 / AA2875 + AA1548$396.052026-10-29T01:02:41Z

2026-12-18 → 2027-01-01 · $419.65

  • American Airlines AA1947: DCA 2026-12-18 17:30:00 → SAT 2026-12-18 20:29:00; nonstop; 239 minutes. Local airport times.
  • American Airlines AA1718: SAT 2027-01-01 07:48:00 → DCA 2027-01-01 11:58:00; nonstop; 190 minutes. Local airport times.

2026-12-18 → 2027-01-01 · $365.15

  • Southwest Airlines WN1539 / WN3136: DCA 2026-12-18 09:00:00 → SAT 2026-12-18 14:35:00; 1 stop(s) via MSY; 395 minutes. Local airport times.
    • WN1539: DCA 2026-12-18 09:00:00 → MSY 2026-12-18 10:55:00; layover at MSY: 120 minutes.
    • WN3136: MSY 2026-12-18 12:55:00 → SAT 2026-12-18 14:35:00.
  • Southwest Airlines WN3769 / WN1362: SAT 2027-01-01 14:50:00 → DCA 2027-01-01 20:55:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN3769: SAT 2027-01-01 14:50:00 → DAL 2027-01-01 16:00:00; layover at DAL: 70 minutes.
    • WN1362: DAL 2027-01-01 17:10:00 → DCA 2027-01-01 20:55:00.

2026-12-18 → 2027-01-01 · $409.65

  • Delta Air Lines DL410 / DL1408: DCA 2026-12-18 06:00:00 → SAT 2026-12-18 11:51:00; 1 stop(s) via ATL; 411 minutes. Local airport times.
    • DL410: DCA 2026-12-18 06:00:00 → ATL 2026-12-18 07:54:00; layover at ATL: 131 minutes.
    • DL1408: ATL 2026-12-18 10:05:00 → SAT 2026-12-18 11:51:00.
  • American Airlines AA1718: SAT 2027-01-01 07:48:00 → DCA 2027-01-01 11:58:00; nonstop; 190 minutes. Local airport times.

2026-12-18 → 2027-01-01 · $365.15

  • Southwest Airlines WN1527 / WN802: DCA 2026-12-18 12:40:00 → SAT 2026-12-18 18:00:00; 1 stop(s) via MCI; 380 minutes. Local airport times.
    • WN1527: DCA 2026-12-18 12:40:00 → MCI 2026-12-18 14:25:00; layover at MCI: 90 minutes.
    • WN802: MCI 2026-12-18 15:55:00 → SAT 2026-12-18 18:00:00.
  • Southwest Airlines WN3769 / WN1362: SAT 2027-01-01 14:50:00 → DCA 2027-01-01 20:55:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN3769: SAT 2027-01-01 14:50:00 → DAL 2027-01-01 16:00:00; layover at DAL: 70 minutes.
    • WN1362: DAL 2027-01-01 17:10:00 → DCA 2027-01-01 20:55:00.

2026-12-18 → 2027-01-01 · $365.15

  • Southwest Airlines WN1548 / WN4793: DCA 2026-12-18 18:55:00 → SAT 2026-12-19 00:10:00; 1 stop(s) via STL; 375 minutes. Local airport times.
    • WN1548: DCA 2026-12-18 18:55:00 → STL 2026-12-18 20:25:00; layover at STL: 85 minutes.
    • WN4793: STL 2026-12-18 21:50:00 → SAT 2026-12-19 00:10:00.
  • Southwest Airlines WN3769 / WN1362: SAT 2027-01-01 14:50:00 → DCA 2027-01-01 20:55:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN3769: SAT 2027-01-01 14:50:00 → DAL 2027-01-01 16:00:00; layover at DAL: 70 minutes.
    • WN1362: DAL 2027-01-01 17:10:00 → DCA 2027-01-01 20:55:00.

2026-12-18 → 2027-01-01 · $365.15

  • Southwest Airlines WN2171 / WN1120: DCA 2026-12-18 06:05:00 → SAT 2026-12-18 10:35:00; 1 stop(s) via BNA; 330 minutes. Local airport times.
    • WN2171: DCA 2026-12-18 06:05:00 → BNA 2026-12-18 07:00:00; layover at BNA: 75 minutes.
    • WN1120: BNA 2026-12-18 08:15:00 → SAT 2026-12-18 10:35:00.
  • Southwest Airlines WN3769 / WN1362: SAT 2027-01-01 14:50:00 → DCA 2027-01-01 20:55:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN3769: SAT 2027-01-01 14:50:00 → DAL 2027-01-01 16:00:00; layover at DAL: 70 minutes.
    • WN1362: DAL 2027-01-01 17:10:00 → DCA 2027-01-01 20:55:00.

2026-12-18 → 2027-01-01 · $396.05

  • American Airlines AA1947: DCA 2026-12-18 17:30:00 → SAT 2026-12-18 20:30:00; nonstop; 240 minutes. Local airport times.
  • American Airlines AA2875 / AA1548: SAT 2027-01-01 09:13:00 → DCA 2027-01-01 15:59:00; 1 stop(s) via CLT; 346 minutes. Local airport times.
    • AA2875: SAT 2027-01-01 09:13:00 → CLT 2027-01-01 13:00:00; layover at CLT: 91 minutes.
    • AA1548: CLT 2027-01-01 14:31:00 → DCA 2027-01-01 15:59:00.

More dates for this route