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Boston → San Antonio

Dec 25, 2026 · return Dec 28, 2026

BOS → SAT1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Fri, Dec 25 – Mon, Dec 28

Delta Air Lines
9:15 amBOS
5h 2m
Nonstop
1:17 pmSAT
Delta Air Lines
2:12 pmSAT
4h 11m
Nonstop
7:23 pmBOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 25 – Mon, Dec 28

Southwest Airlines
5:10 amBOS
6h 25m
STL · 1h 5m
10:35 amSAT
Southwest Airlines
5:35 pmSAT
6h 10m
BWI · 1h 30m
12:45 am+1BOS

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

American Airlines
5:58 pmBOS
7h 9m
DFW · 1h 9m
12:07 am+1SAT
Southwest Airlines
5:35 pmSAT
6h 10m
BWI · 1h 30m
12:45 am+1BOS

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

United Airlines
9:00 amBOS
7h 7m
EWR · 1h 14m
3:07 pmSAT
United Airlines
5:15 amSAT
6h 20m
IAH · 1h 22m
12:35 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

Southwest Airlines
5:20 amBOS
6h 20m
BNA · 1h 5m
10:40 amSAT
Southwest Airlines
5:35 pmSAT
6h 10m
BWI · 1h 30m
12:45 am+1BOS

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

American Airlines
2:27 pmBOS
7h 3m
DCA · 1h 4m
8:30 pmSAT
Southwest Airlines
5:35 pmSAT
6h 10m
BWI · 1h 30m
12:45 am+1BOS

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Dec 28

Delta Air Lines
6:00 amBOS
7h 2m
JFK · 1h 10m
12:02 pmSAT
Delta Air Lines
2:12 pmSAT
4h 11m
Nonstop
7:23 pmBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ 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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-25 → 2026-12-28Delta Air LinesDL2652 / DL816$477.752026-10-29T00:52:46Z
2026-12-25 → 2026-12-28Southwest AirlinesWN819 + WN4198 / WN2724 + WN2752$379.752026-10-29T00:52:46Z
2026-12-25 → 2026-12-28American Airlines / Southwest AirlinesAA1980 + AA2281 / WN2724 + WN2752$392.252026-10-29T00:52:46Z
2026-12-25 → 2026-12-28United AirlinesUA1307 + UA515 / UA469 + UA1977$416.502026-10-29T00:52:46Z
2026-12-25 → 2026-12-28Southwest AirlinesWN2723 + WN1120 / WN2724 + WN2752$379.752026-10-29T00:52:46Z
2026-12-25 → 2026-12-28American Airlines / Southwest AirlinesAA4776 + AA1947 / WN2724 + WN2752$392.252026-10-29T00:52:46Z
2026-12-25 → 2026-12-28Delta Air LinesDL2566 + DL1166 / DL816$452.752026-10-29T00:52:46Z

2026-12-25 → 2026-12-28 · $477.75

  • Delta Air Lines DL2652: BOS 2026-12-25 09:15:00 → SAT 2026-12-25 13:17:00; nonstop; 302 minutes. Local airport times.
  • Delta Air Lines DL816: SAT 2026-12-28 14:12:00 → BOS 2026-12-28 19:23:00; nonstop; 251 minutes. Local airport times.

2026-12-25 → 2026-12-28 · $379.75

  • Southwest Airlines WN819 / WN4198: BOS 2026-12-25 05:10:00 → SAT 2026-12-25 10:35:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN819: BOS 2026-12-25 05:10:00 → STL 2026-12-25 07:15:00; layover at STL: 65 minutes.
    • WN4198: STL 2026-12-25 08:20:00 → SAT 2026-12-25 10:35:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-12-28 17:35:00 → BOS 2026-12-29 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-12-28 17:35:00 → BWI 2026-12-28 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-12-28 23:15:00 → BOS 2026-12-29 00:45:00.

2026-12-25 → 2026-12-28 · $392.25

  • American Airlines AA1980 / AA2281: BOS 2026-12-25 17:58:00 → SAT 2026-12-26 00:07:00; 1 stop(s) via DFW; 429 minutes. Local airport times.
    • AA1980: BOS 2026-12-25 17:58:00 → DFW 2026-12-25 21:43:00; layover at DFW: 69 minutes.
    • AA2281: DFW 2026-12-25 22:52:00 → SAT 2026-12-26 00:07:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-12-28 17:35:00 → BOS 2026-12-29 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-12-28 17:35:00 → BWI 2026-12-28 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-12-28 23:15:00 → BOS 2026-12-29 00:45:00.

2026-12-25 → 2026-12-28 · $416.50

  • United Airlines UA1307 / UA515: BOS 2026-12-25 09:00:00 → SAT 2026-12-25 15:07:00; 1 stop(s) via EWR; 427 minutes. Local airport times.
    • UA1307: BOS 2026-12-25 09:00:00 → EWR 2026-12-25 10:30:00; layover at EWR: 74 minutes.
    • UA515: EWR 2026-12-25 11:44:00 → SAT 2026-12-25 15:07:00.
  • United Airlines UA469 / UA1977: SAT 2026-12-28 05:15:00 → BOS 2026-12-28 12:35:00; 1 stop(s) via IAH; 380 minutes. Local airport times.
    • UA469: SAT 2026-12-28 05:15:00 → IAH 2026-12-28 06:23:00; layover at IAH: 82 minutes.
    • UA1977: IAH 2026-12-28 07:45:00 → BOS 2026-12-28 12:35:00.

2026-12-25 → 2026-12-28 · $379.75

  • Southwest Airlines WN2723 / WN1120: BOS 2026-12-25 05:20:00 → SAT 2026-12-25 10:40:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN2723: BOS 2026-12-25 05:20:00 → BNA 2026-12-25 07:10:00; layover at BNA: 65 minutes.
    • WN1120: BNA 2026-12-25 08:15:00 → SAT 2026-12-25 10:40:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-12-28 17:35:00 → BOS 2026-12-29 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-12-28 17:35:00 → BWI 2026-12-28 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-12-28 23:15:00 → BOS 2026-12-29 00:45:00.

2026-12-25 → 2026-12-28 · $392.25

  • American Airlines AA4776 / AA1947: BOS 2026-12-25 14:27:00 → SAT 2026-12-25 20:30:00; 1 stop(s) via DCA; 423 minutes. Local airport times.
    • AA4776: BOS 2026-12-25 14:27:00 → DCA 2026-12-25 16:26:00; layover at DCA: 64 minutes.
    • AA1947: DCA 2026-12-25 17:30:00 → SAT 2026-12-25 20:30:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-12-28 17:35:00 → BOS 2026-12-29 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-12-28 17:35:00 → BWI 2026-12-28 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-12-28 23:15:00 → BOS 2026-12-29 00:45:00.

2026-12-25 → 2026-12-28 · $452.75

  • Delta Air Lines DL2566 / DL1166: BOS 2026-12-25 06:00:00 → SAT 2026-12-25 12:02:00; 1 stop(s) via JFK; 422 minutes. Local airport times.
    • DL2566: BOS 2026-12-25 06:00:00 → JFK 2026-12-25 07:25:00; layover at JFK: 70 minutes.
    • DL1166: JFK 2026-12-25 08:35:00 → SAT 2026-12-25 12:02:00.
  • Delta Air Lines DL816: SAT 2026-12-28 14:12:00 → BOS 2026-12-28 19:23:00; nonstop; 251 minutes. Local airport times.

More dates for this route