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Boston → San Antonio

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BOS → SAT1 adulteconomy

21 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

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

Fri, Nov 20 – Mon, Nov 23

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, Nov 20 – Mon, Nov 23

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, Nov 20 – Mon, Nov 23

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, Nov 27 – Fri, Dec 4

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

Fri, Nov 20 – Mon, Nov 23

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, Nov 20 – Mon, Nov 23

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, Nov 27 – Fri, Dec 4

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

Show 6 more flights

Fri, Nov 27 – Fri, Dec 4

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

Fri, Nov 20 – Mon, Nov 23

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

Fri, Nov 27 – Fri, Dec 4

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, Nov 27 – Fri, Dec 4

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

Fri, Nov 27 – Fri, Dec 4

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

Fri, Nov 27 – Fri, Dec 4

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

One-way flights

Fri, Nov 20 · One way

Delta Air Lines
9:15 amBOS
5h 2m
Nonstop
1:17 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
5:10 amBOS
6h 25m
STL · 1h 5m
10:35 amSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
2:27 pmBOS
7h 3m
DCA · 1h 4m
8:30 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
9:00 amBOS
7h 7m
EWR · 1h 14m
3:07 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
5:20 amBOS
6h 20m
BNA · 1h 5m
10:40 amSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
5:58 pmBOS
7h 9m
DFW · 1h 9m
12:07 am+1SAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:00 amBOS
7h 2m
JFK · 1h 10m
12:02 pmSAT

One-way 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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  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 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)
2026-11-20 · one wayDelta Air LinesDL2652$195.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23Delta Air LinesDL2652 / DL816$390.002026-10-29T00:52:46Z
2026-11-20 · one waySouthwest AirlinesWN819 + WN4198$155.002026-10-29T00:52:46Z
2026-11-20 · one wayAmerican AirlinesAA4776 + AA1947$165.002026-10-29T00:52:46Z
2026-11-20 · one wayUnited AirlinesUA1307 + UA515$170.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23Southwest AirlinesWN819 + WN4198 / WN2724 + WN2752$310.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23American Airlines / Southwest AirlinesAA4776 + AA1947 / WN2724 + WN2752$320.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23United AirlinesUA1307 + UA515 / UA469 + UA1977$340.002026-10-29T00:52:46Z
2026-11-27 → 2026-12-04Delta Air LinesDL2652 / DL816$448.502026-10-29T00:52:46Z
2026-11-20 · one waySouthwest AirlinesWN2723 + WN1120$155.002026-10-29T00:52:46Z
2026-11-20 · one wayAmerican AirlinesAA1980 + AA2281$165.002026-10-29T00:52:46Z
2026-11-20 · one wayDelta Air LinesDL2566 + DL1166$175.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23Southwest AirlinesWN2723 + WN1120 / WN2724 + WN2752$310.002026-10-29T00:52:46Z
2026-11-20 → 2026-11-23American Airlines / Southwest AirlinesAA1980 + AA2281 / WN2724 + WN2752$320.002026-10-29T00:52:46Z
2026-11-27 → 2026-12-04Southwest AirlinesWN2723 + WN1120 / WN3801 + WN2755$356.502026-10-29T00:52:46Z
2026-11-27 → 2026-12-04Southwest AirlinesWN819 + WN4198 / WN3801 + WN2755$356.502026-10-29T00:52:46Z
2026-11-20 → 2026-11-23Delta Air LinesDL2566 + DL1166 / DL816$370.002026-10-29T00:52:46Z
2026-11-27 → 2026-12-04United AirlinesUA1307 + UA515 / UA469 + UA1977$391.002026-10-29T00:52:46Z
2026-11-27 → 2026-12-04American Airlines / Delta Air LinesAA4776 + AA1947 / DL816$409.502026-10-29T00:52:46Z
2026-11-27 → 2026-12-04American Airlines / Delta Air LinesAA1980 + AA2281 / DL816$409.502026-10-29T00:52:46Z
2026-11-27 → 2026-12-04Delta Air LinesDL2566 + DL1166 / DL816$422.502026-10-29T00:52:46Z

2026-11-20 · one way · $195.00

  • Delta Air Lines DL2652: BOS 2026-11-20 09:15:00 → SAT 2026-11-20 13:17:00; nonstop; 302 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $390.00

  • Delta Air Lines DL2652: BOS 2026-11-20 09:15:00 → SAT 2026-11-20 13:17:00; nonstop; 302 minutes. Local airport times.
  • Delta Air Lines DL816: SAT 2026-11-23 14:12:00 → BOS 2026-11-23 19:23:00; nonstop; 251 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN819 / WN4198: BOS 2026-11-20 05:10:00 → SAT 2026-11-20 10:35:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN819: BOS 2026-11-20 05:10:00 → STL 2026-11-20 07:15:00; layover at STL: 65 minutes.
    • WN4198: STL 2026-11-20 08:20:00 → SAT 2026-11-20 10:35:00.

2026-11-20 · one way · $165.00

  • American Airlines AA4776 / AA1947: BOS 2026-11-20 14:27:00 → SAT 2026-11-20 20:30:00; 1 stop(s) via DCA; 423 minutes. Local airport times.
    • AA4776: BOS 2026-11-20 14:27:00 → DCA 2026-11-20 16:26:00; layover at DCA: 64 minutes.
    • AA1947: DCA 2026-11-20 17:30:00 → SAT 2026-11-20 20:30:00.

2026-11-20 · one way · $170.00

  • United Airlines UA1307 / UA515: BOS 2026-11-20 09:00:00 → SAT 2026-11-20 15:07:00; 1 stop(s) via EWR; 427 minutes. Local airport times.
    • UA1307: BOS 2026-11-20 09:00:00 → EWR 2026-11-20 10:30:00; layover at EWR: 74 minutes.
    • UA515: EWR 2026-11-20 11:44:00 → SAT 2026-11-20 15:07:00.

2026-11-20 → 2026-11-23 · $310.00

  • Southwest Airlines WN819 / WN4198: BOS 2026-11-20 05:10:00 → SAT 2026-11-20 10:35:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN819: BOS 2026-11-20 05:10:00 → STL 2026-11-20 07:15:00; layover at STL: 65 minutes.
    • WN4198: STL 2026-11-20 08:20:00 → SAT 2026-11-20 10:35:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-11-23 17:35:00 → BOS 2026-11-24 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-11-23 17:35:00 → BWI 2026-11-23 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-11-23 23:15:00 → BOS 2026-11-24 00:45:00.

2026-11-20 → 2026-11-23 · $320.00

  • American Airlines AA4776 / AA1947: BOS 2026-11-20 14:27:00 → SAT 2026-11-20 20:30:00; 1 stop(s) via DCA; 423 minutes. Local airport times.
    • AA4776: BOS 2026-11-20 14:27:00 → DCA 2026-11-20 16:26:00; layover at DCA: 64 minutes.
    • AA1947: DCA 2026-11-20 17:30:00 → SAT 2026-11-20 20:30:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-11-23 17:35:00 → BOS 2026-11-24 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-11-23 17:35:00 → BWI 2026-11-23 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-11-23 23:15:00 → BOS 2026-11-24 00:45:00.

2026-11-20 → 2026-11-23 · $340.00

  • United Airlines UA1307 / UA515: BOS 2026-11-20 09:00:00 → SAT 2026-11-20 15:07:00; 1 stop(s) via EWR; 427 minutes. Local airport times.
    • UA1307: BOS 2026-11-20 09:00:00 → EWR 2026-11-20 10:30:00; layover at EWR: 74 minutes.
    • UA515: EWR 2026-11-20 11:44:00 → SAT 2026-11-20 15:07:00.
  • United Airlines UA469 / UA1977: SAT 2026-11-23 05:15:00 → BOS 2026-11-23 12:35:00; 1 stop(s) via IAH; 380 minutes. Local airport times.
    • UA469: SAT 2026-11-23 05:15:00 → IAH 2026-11-23 06:23:00; layover at IAH: 82 minutes.
    • UA1977: IAH 2026-11-23 07:45:00 → BOS 2026-11-23 12:35:00.

2026-11-27 → 2026-12-04 · $448.50

  • Delta Air Lines DL2652: BOS 2026-11-27 09:15:00 → SAT 2026-11-27 13:17:00; nonstop; 302 minutes. Local airport times.
  • Delta Air Lines DL816: SAT 2026-12-04 14:12:00 → BOS 2026-12-04 19:23:00; nonstop; 251 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN2723 / WN1120: BOS 2026-11-20 05:20:00 → SAT 2026-11-20 10:40:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN2723: BOS 2026-11-20 05:20:00 → BNA 2026-11-20 07:10:00; layover at BNA: 65 minutes.
    • WN1120: BNA 2026-11-20 08:15:00 → SAT 2026-11-20 10:40:00.

2026-11-20 · one way · $165.00

  • American Airlines AA1980 / AA2281: BOS 2026-11-20 17:58:00 → SAT 2026-11-21 00:07:00; 1 stop(s) via DFW; 429 minutes. Local airport times.
    • AA1980: BOS 2026-11-20 17:58:00 → DFW 2026-11-20 21:43:00; layover at DFW: 69 minutes.
    • AA2281: DFW 2026-11-20 22:52:00 → SAT 2026-11-21 00:07:00.

2026-11-20 · one way · $175.00

  • Delta Air Lines DL2566 / DL1166: BOS 2026-11-20 06:00:00 → SAT 2026-11-20 12:02:00; 1 stop(s) via JFK; 422 minutes. Local airport times.
    • DL2566: BOS 2026-11-20 06:00:00 → JFK 2026-11-20 07:25:00; layover at JFK: 70 minutes.
    • DL1166: JFK 2026-11-20 08:35:00 → SAT 2026-11-20 12:02:00.

2026-11-20 → 2026-11-23 · $310.00

  • Southwest Airlines WN2723 / WN1120: BOS 2026-11-20 05:20:00 → SAT 2026-11-20 10:40:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN2723: BOS 2026-11-20 05:20:00 → BNA 2026-11-20 07:10:00; layover at BNA: 65 minutes.
    • WN1120: BNA 2026-11-20 08:15:00 → SAT 2026-11-20 10:40:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-11-23 17:35:00 → BOS 2026-11-24 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-11-23 17:35:00 → BWI 2026-11-23 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-11-23 23:15:00 → BOS 2026-11-24 00:45:00.

2026-11-20 → 2026-11-23 · $320.00

  • American Airlines AA1980 / AA2281: BOS 2026-11-20 17:58:00 → SAT 2026-11-21 00:07:00; 1 stop(s) via DFW; 429 minutes. Local airport times.
    • AA1980: BOS 2026-11-20 17:58:00 → DFW 2026-11-20 21:43:00; layover at DFW: 69 minutes.
    • AA2281: DFW 2026-11-20 22:52:00 → SAT 2026-11-21 00:07:00.
  • Southwest Airlines WN2724 / WN2752: SAT 2026-11-23 17:35:00 → BOS 2026-11-24 00:45:00; 1 stop(s) via BWI; 370 minutes. Local airport times.
    • WN2724: SAT 2026-11-23 17:35:00 → BWI 2026-11-23 21:45:00; layover at BWI: 90 minutes.
    • WN2752: BWI 2026-11-23 23:15:00 → BOS 2026-11-24 00:45:00.

2026-11-27 → 2026-12-04 · $356.50

  • Southwest Airlines WN2723 / WN1120: BOS 2026-11-27 05:20:00 → SAT 2026-11-27 10:40:00; 1 stop(s) via BNA; 380 minutes. Local airport times.
    • WN2723: BOS 2026-11-27 05:20:00 → BNA 2026-11-27 07:10:00; layover at BNA: 65 minutes.
    • WN1120: BNA 2026-11-27 08:15:00 → SAT 2026-11-27 10:40:00.
  • Southwest Airlines WN3801 / WN2755: SAT 2026-12-04 17:05:00 → BOS 2026-12-04 23:45:00; 1 stop(s) via STL; 340 minutes. Local airport times.
    • WN3801: SAT 2026-12-04 17:05:00 → STL 2026-12-04 19:10:00; layover at STL: 65 minutes.
    • WN2755: STL 2026-12-04 20:15:00 → BOS 2026-12-04 23:45:00.

2026-11-27 → 2026-12-04 · $356.50

  • Southwest Airlines WN819 / WN4198: BOS 2026-11-27 05:10:00 → SAT 2026-11-27 10:35:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN819: BOS 2026-11-27 05:10:00 → STL 2026-11-27 07:15:00; layover at STL: 65 minutes.
    • WN4198: STL 2026-11-27 08:20:00 → SAT 2026-11-27 10:35:00.
  • Southwest Airlines WN3801 / WN2755: SAT 2026-12-04 17:05:00 → BOS 2026-12-04 23:45:00; 1 stop(s) via STL; 340 minutes. Local airport times.
    • WN3801: SAT 2026-12-04 17:05:00 → STL 2026-12-04 19:10:00; layover at STL: 65 minutes.
    • WN2755: STL 2026-12-04 20:15:00 → BOS 2026-12-04 23:45:00.

2026-11-20 → 2026-11-23 · $370.00

  • Delta Air Lines DL2566 / DL1166: BOS 2026-11-20 06:00:00 → SAT 2026-11-20 12:02:00; 1 stop(s) via JFK; 422 minutes. Local airport times.
    • DL2566: BOS 2026-11-20 06:00:00 → JFK 2026-11-20 07:25:00; layover at JFK: 70 minutes.
    • DL1166: JFK 2026-11-20 08:35:00 → SAT 2026-11-20 12:02:00.
  • Delta Air Lines DL816: SAT 2026-11-23 14:12:00 → BOS 2026-11-23 19:23:00; nonstop; 251 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $391.00

  • United Airlines UA1307 / UA515: BOS 2026-11-27 09:00:00 → SAT 2026-11-27 15:07:00; 1 stop(s) via EWR; 427 minutes. Local airport times.
    • UA1307: BOS 2026-11-27 09:00:00 → EWR 2026-11-27 10:30:00; layover at EWR: 74 minutes.
    • UA515: EWR 2026-11-27 11:44:00 → SAT 2026-11-27 15:07:00.
  • United Airlines UA469 / UA1977: SAT 2026-12-04 05:15:00 → BOS 2026-12-04 12:35:00; 1 stop(s) via IAH; 380 minutes. Local airport times.
    • UA469: SAT 2026-12-04 05:15:00 → IAH 2026-12-04 06:23:00; layover at IAH: 82 minutes.
    • UA1977: IAH 2026-12-04 07:45:00 → BOS 2026-12-04 12:35:00.

2026-11-27 → 2026-12-04 · $409.50

  • American Airlines AA4776 / AA1947: BOS 2026-11-27 14:27:00 → SAT 2026-11-27 20:30:00; 1 stop(s) via DCA; 423 minutes. Local airport times.
    • AA4776: BOS 2026-11-27 14:27:00 → DCA 2026-11-27 16:26:00; layover at DCA: 64 minutes.
    • AA1947: DCA 2026-11-27 17:30:00 → SAT 2026-11-27 20:30:00.
  • Delta Air Lines DL816: SAT 2026-12-04 14:12:00 → BOS 2026-12-04 19:23:00; nonstop; 251 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $409.50

  • American Airlines AA1980 / AA2281: BOS 2026-11-27 17:58:00 → SAT 2026-11-28 00:07:00; 1 stop(s) via DFW; 429 minutes. Local airport times.
    • AA1980: BOS 2026-11-27 17:58:00 → DFW 2026-11-27 21:43:00; layover at DFW: 69 minutes.
    • AA2281: DFW 2026-11-27 22:52:00 → SAT 2026-11-28 00:07:00.
  • Delta Air Lines DL816: SAT 2026-12-04 14:12:00 → BOS 2026-12-04 19:23:00; nonstop; 251 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $422.50

  • Delta Air Lines DL2566 / DL1166: BOS 2026-11-27 06:00:00 → SAT 2026-11-27 12:02:00; 1 stop(s) via JFK; 422 minutes. Local airport times.
    • DL2566: BOS 2026-11-27 06:00:00 → JFK 2026-11-27 07:25:00; layover at JFK: 70 minutes.
    • DL1166: JFK 2026-11-27 08:35:00 → SAT 2026-11-27 12:02:00.
  • Delta Air Lines DL816: SAT 2026-12-04 14:12:00 → BOS 2026-12-04 19:23:00; nonstop; 251 minutes. Local airport times.

More dates for this route