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Boston → San Antonio

Dec 21, 2026 · return Dec 24, 2026

BOS → SAT1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

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

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
5:20 amBOS
6h 20m
BNA · 1h 5m
10:40 amSAT
Southwest Airlines
5:05 pmSAT
5h 40m
STL · 1h 5m
11:45 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

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

Mon, Dec 21 – Thu, Dec 24

American Airlines
5:58 pmBOS
7h 9m
DFW · 1h 9m
12:07 am+1SAT
Delta Air Lines
2:12 pmSAT
4h 11m
Nonstop
7:23 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
5:10 amBOS
6h 25m
STL · 1h 5m
10:35 amSAT
Southwest Airlines
5:05 pmSAT
5h 40m
STL · 1h 5m
11:45 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
2:27 pmBOS
7h 3m
DCA · 1h 4m
8:30 pmSAT
Delta Air Lines
2:12 pmSAT
4h 11m
Nonstop
7:23 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

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 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)
2026-12-21 → 2026-12-24Delta Air LinesDL2652 / DL816$487.502026-10-29T00:52:46Z
2026-12-21 → 2026-12-24Southwest AirlinesWN2723 + WN1120 / WN3801 + WN2755$387.502026-10-29T00:52:46Z
2026-12-21 → 2026-12-24United AirlinesUA1307 + UA515 / UA469 + UA1977$425.002026-10-29T00:52:46Z
2026-12-21 → 2026-12-24American Airlines / Delta Air LinesAA1980 + AA2281 / DL816$450.002026-10-29T00:52:46Z
2026-12-21 → 2026-12-24Southwest AirlinesWN819 + WN4198 / WN3801 + WN2755$387.502026-10-29T00:52:46Z
2026-12-21 → 2026-12-24American Airlines / Delta Air LinesAA4776 + AA1947 / DL816$450.002026-10-29T00:52:46Z
2026-12-21 → 2026-12-24Delta Air LinesDL2566 + DL1166 / DL816$462.502026-10-29T00:52:46Z

2026-12-21 → 2026-12-24 · $487.50

  • Delta Air Lines DL2652: BOS 2026-12-21 09:15:00 → SAT 2026-12-21 13:17:00; nonstop; 302 minutes. Local airport times.
  • Delta Air Lines DL816: SAT 2026-12-24 14:12:00 → BOS 2026-12-24 19:23:00; nonstop; 251 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $387.50

  • Southwest Airlines WN2723 / WN1120: BOS 2026-12-21 05:20:00 → SAT 2026-12-21 10:40:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN2723: BOS 2026-12-21 05:20:00 → BNA 2026-12-21 07:10:00; layover at BNA: 65 minutes.
    • WN1120: BNA 2026-12-21 08:15:00 → SAT 2026-12-21 10:40:00.
  • Southwest Airlines WN3801 / WN2755: SAT 2026-12-24 17:05:00 → BOS 2026-12-24 23:45:00; 1 stop(s) via STL; 340 minutes. Local airport times.
    • WN3801: SAT 2026-12-24 17:05:00 → STL 2026-12-24 19:10:00; layover at STL: 65 minutes.
    • WN2755: STL 2026-12-24 20:15:00 → BOS 2026-12-24 23:45:00.

2026-12-21 → 2026-12-24 · $425.00

  • United Airlines UA1307 / UA515: BOS 2026-12-21 09:00:00 → SAT 2026-12-21 15:07:00; 1 stop(s) via EWR; 427 minutes. Local airport times.
    • UA1307: BOS 2026-12-21 09:00:00 → EWR 2026-12-21 10:30:00; layover at EWR: 74 minutes.
    • UA515: EWR 2026-12-21 11:44:00 → SAT 2026-12-21 15:07:00.
  • United Airlines UA469 / UA1977: SAT 2026-12-24 05:15:00 → BOS 2026-12-24 12:35:00; 1 stop(s) via IAH; 380 minutes. Local airport times.
    • UA469: SAT 2026-12-24 05:15:00 → IAH 2026-12-24 06:23:00; layover at IAH: 82 minutes.
    • UA1977: IAH 2026-12-24 07:45:00 → BOS 2026-12-24 12:35:00.

2026-12-21 → 2026-12-24 · $450.00

  • American Airlines AA1980 / AA2281: BOS 2026-12-21 17:58:00 → SAT 2026-12-22 00:07:00; 1 stop(s) via DFW; 429 minutes. Local airport times.
    • AA1980: BOS 2026-12-21 17:58:00 → DFW 2026-12-21 21:43:00; layover at DFW: 69 minutes.
    • AA2281: DFW 2026-12-21 22:52:00 → SAT 2026-12-22 00:07:00.
  • Delta Air Lines DL816: SAT 2026-12-24 14:12:00 → BOS 2026-12-24 19:23:00; nonstop; 251 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $387.50

  • Southwest Airlines WN819 / WN4198: BOS 2026-12-21 05:10:00 → SAT 2026-12-21 10:35:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN819: BOS 2026-12-21 05:10:00 → STL 2026-12-21 07:15:00; layover at STL: 65 minutes.
    • WN4198: STL 2026-12-21 08:20:00 → SAT 2026-12-21 10:35:00.
  • Southwest Airlines WN3801 / WN2755: SAT 2026-12-24 17:05:00 → BOS 2026-12-24 23:45:00; 1 stop(s) via STL; 340 minutes. Local airport times.
    • WN3801: SAT 2026-12-24 17:05:00 → STL 2026-12-24 19:10:00; layover at STL: 65 minutes.
    • WN2755: STL 2026-12-24 20:15:00 → BOS 2026-12-24 23:45:00.

2026-12-21 → 2026-12-24 · $450.00

  • American Airlines AA4776 / AA1947: BOS 2026-12-21 14:27:00 → SAT 2026-12-21 20:30:00; 1 stop(s) via DCA; 423 minutes. Local airport times.
    • AA4776: BOS 2026-12-21 14:27:00 → DCA 2026-12-21 16:26:00; layover at DCA: 64 minutes.
    • AA1947: DCA 2026-12-21 17:30:00 → SAT 2026-12-21 20:30:00.
  • Delta Air Lines DL816: SAT 2026-12-24 14:12:00 → BOS 2026-12-24 19:23:00; nonstop; 251 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $462.50

  • Delta Air Lines DL2566 / DL1166: BOS 2026-12-21 06:00:00 → SAT 2026-12-21 12:02:00; 1 stop(s) via JFK; 422 minutes. Local airport times.
    • DL2566: BOS 2026-12-21 06:00:00 → JFK 2026-12-21 07:25:00; layover at JFK: 70 minutes.
    • DL1166: JFK 2026-12-21 08:35:00 → SAT 2026-12-21 12:02:00.
  • Delta Air Lines DL816: SAT 2026-12-24 14:12:00 → BOS 2026-12-24 19:23:00; nonstop; 251 minutes. Local airport times.

More dates for this route