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Route overview: Boston to San Salvador (SAL) flight deals

Boston → San Salvador

Dec 22, 2026 · choose your return date

BOS → SAL1 adulteconomyOne way and round trips

30 flight options · 4 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Dec 22, 2026 · One wayCopa AirlinesUp to 1 stop each way$391.50 Dec 22, 2026 · One wayUnited AirlinesUp to 1 stop each way$406.00 Dec 22, 2026 – Dec 23, 2026 · 1 nightCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Dec 23, 2026 · 1 nightDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Dec 24, 2026 · 2 nightsCopa Airlines / AviancaUp to 1 stop each way$645.26 Dec 22, 2026 – Dec 24, 2026 · 2 nightsDelta Air Lines / AviancaUp to 1 stop each way$681.51 Dec 22, 2026 – Dec 25, 2026 · 3 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Dec 25, 2026 · 3 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Dec 26, 2026 · 4 nightsCopa Airlines / United AirlinesUp to 1 stop each way$732.26 Dec 22, 2026 – Dec 26, 2026 · 4 nightsUnited AirlinesUp to 1 stop each way$746.76 Dec 22, 2026 – Dec 27, 2026 · 5 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Dec 27, 2026 · 5 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Dec 28, 2026 · 6 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Dec 28, 2026 · 6 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Dec 29, 2026 · 7 nightsCopa Airlines / United AirlinesUp to 1 stop each way$732.26 Dec 22, 2026 – Dec 29, 2026 · 7 nightsUnited AirlinesUp to 1 stop each way$746.76 Dec 22, 2026 – Dec 30, 2026 · 8 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Dec 30, 2026 · 8 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Dec 31, 2026 · 9 nightsCopa Airlines / AviancaUp to 1 stop each way$645.26 Dec 22, 2026 – Dec 31, 2026 · 9 nightsDelta Air Lines / AviancaUp to 1 stop each way$681.51 Dec 22, 2026 – Jan 1, 2027 · 10 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Jan 1, 2027 · 10 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Jan 2, 2027 · 11 nightsCopa Airlines / United AirlinesUp to 1 stop each way$732.26 Dec 22, 2026 – Jan 2, 2027 · 11 nightsUnited AirlinesUp to 1 stop each way$746.76 Dec 22, 2026 – Jan 3, 2027 · 12 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Jan 3, 2027 · 12 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Jan 4, 2027 · 13 nightsCopa Airlines / AviancaUp to 1 stop each way$674.26 Dec 22, 2026 – Jan 4, 2027 · 13 nightsDelta Air Lines / AviancaUp to 1 stop each way$710.51 Dec 22, 2026 – Jan 5, 2027 · 14 nightsCopa Airlines / United AirlinesUp to 1 stop each way$732.26 Dec 22, 2026 – Jan 5, 2027 · 14 nightsUnited AirlinesUp to 1 stop each way$746.76

Flights for your trip

  1. Tue, Dec 22 · One way

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL

    One-way total · 1 adult · Taxes included

  2. Tue, Dec 22 · One way

    United Airlines
    2:40 pmBOS
    8h 5m
    IAD · 1h 33m
    9:45 pmSAL

    One-way total · 1 adult · Taxes included

  3. Tue, Dec 22 – Wed, Dec 23

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  4. Tue, Dec 22 – Wed, Dec 23

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  5. Tue, Dec 22 – Thu, Dec 24

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    9:35 amSAL
    8h 22m
    IAD · 2h 20m
    6:57 pmBOS

    Round-trip total · 1 adult · Taxes included

  6. Tue, Dec 22 – Thu, Dec 24

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    9:35 amSAL
    8h 22m
    IAD · 2h 20m
    6:57 pmBOS

    Round-trip total · 1 adult · Taxes included

  7. Tue, Dec 22 – Fri, Dec 25

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  8. Tue, Dec 22 – Fri, Dec 25

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  9. Tue, Dec 22 – Sat, Dec 26

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  10. Tue, Dec 22 – Sat, Dec 26

    United Airlines
    2:40 pmBOS
    8h 5m
    IAD · 1h 33m
    9:45 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  11. Tue, Dec 22 – Mon, Dec 28

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  12. Tue, Dec 22 – Mon, Dec 28

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  13. Tue, Dec 22 – Tue, Dec 29

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  14. Tue, Dec 22 – Tue, Dec 29

    United Airlines
    2:40 pmBOS
    8h 5m
    IAD · 1h 33m
    9:45 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  15. Tue, Dec 22 – Wed, Dec 30

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  16. Tue, Dec 22 – Wed, Dec 30

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  17. Tue, Dec 22 – Fri, Jan 1

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  18. Tue, Dec 22 – Fri, Jan 1

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  19. Tue, Dec 22 – Sat, Jan 2

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  20. Tue, Dec 22 – Sat, Jan 2

    United Airlines
    2:40 pmBOS
    8h 5m
    IAD · 1h 33m
    9:45 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  21. Tue, Dec 22 – Sun, Jan 3

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  22. Tue, Dec 22 – Sun, Jan 3

    Delta Air Lines
    5:30 amBOS
    8h 44m
    ATL · 2h 4m
    1:14 pmSAL
    Avianca
    7:45 amSAL
    5h
    Nonstop
    1:45 pmBOS

    Round-trip total · 1 adult · Taxes included

  23. Tue, Dec 22 – Tue, Jan 5

    Copa Airlines
    2:43 pmBOS
    9h 55m
    PTY · 1h 47m
    11:38 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

  24. Tue, Dec 22 – Tue, Jan 5

    United Airlines
    2:40 pmBOS
    8h 5m
    IAD · 1h 33m
    9:45 pmSAL
    United Airlines
    1:10 amSAL
    8h 9m
    IAD · 2h 22m
    10:19 amBOS

    Round-trip total · 1 adult · Taxes included

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1 of 24

Make this trip yours

BOS ⇄ SAL

Economy

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Explore this route

All dates for this routeDec 21, 2026 · Return optionsDec 23, 2026 · Return optionsHotels in San Salvador with Axel
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.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-22 · one wayCopa AirlinesCM705 + CM878Axel-exclusive $391.502026-10-29T00:52:46Z
2026-12-22 · one wayUnited AirlinesUA721 + UA1194Axel-exclusive $406.002026-10-29T00:52:46Z
2026-12-22 → 2026-12-23Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-23Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-24Copa Airlines / AviancaCM705 + CM878 / AV582 + UA688Axel-exclusive $645.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-24Delta Air Lines / AviancaDL2242 + DL1910 / AV582 + UA688Axel-exclusive $681.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-25Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-25Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-26Copa Airlines / United AirlinesCM705 + CM878 / UA1458 + UA641Axel-exclusive $732.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-26United AirlinesUA721 + UA1194 / UA1458 + UA641Axel-exclusive $746.762026-10-29T00:52:46Z
2026-12-22 → 2026-12-27Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-27Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-28Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-28Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-29Copa Airlines / United AirlinesCM705 + CM878 / UA1458 + UA641Axel-exclusive $732.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-29United AirlinesUA721 + UA1194 / UA1458 + UA641Axel-exclusive $746.762026-10-29T00:52:46Z
2026-12-22 → 2026-12-30Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-30Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2026-12-31Copa Airlines / AviancaCM705 + CM878 / AV582 + UA688Axel-exclusive $645.262026-10-29T00:52:46Z
2026-12-22 → 2026-12-31Delta Air Lines / AviancaDL2242 + DL1910 / AV582 + UA688Axel-exclusive $681.512026-10-29T00:52:46Z
2026-12-22 → 2027-01-01Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2027-01-01Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2027-01-02Copa Airlines / United AirlinesCM705 + CM878 / UA1458 + UA641Axel-exclusive $732.262026-10-29T00:52:46Z
2026-12-22 → 2027-01-02United AirlinesUA721 + UA1194 / UA1458 + UA641Axel-exclusive $746.762026-10-29T00:52:46Z
2026-12-22 → 2027-01-03Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2027-01-03Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2027-01-04Copa Airlines / AviancaCM705 + CM878 / AV444Axel-exclusive $674.262026-10-29T00:52:46Z
2026-12-22 → 2027-01-04Delta Air Lines / AviancaDL2242 + DL1910 / AV444Axel-exclusive $710.512026-10-29T00:52:46Z
2026-12-22 → 2027-01-05Copa Airlines / United AirlinesCM705 + CM878 / UA1458 + UA641Axel-exclusive $732.262026-10-29T00:52:46Z
2026-12-22 → 2027-01-05United AirlinesUA721 + UA1194 / UA1458 + UA641Axel-exclusive $746.762026-10-29T00:52:46Z

Route overview: Boston to San Salvador (SAL) flight deals

2026-12-22 · one way · Axel-exclusive $391.50

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.

2026-12-22 · one way · Axel-exclusive $406.00

  • United Airlines UA721 / UA1194: BOS 2026-12-22 14:40:00 → SAL 2026-12-22 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2026-12-22 14:40:00 → IAD 2026-12-22 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2026-12-22 18:00:00 → SAL 2026-12-22 21:45:00.

2026-12-22 → 2026-12-23 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2026-12-23 07:45:00 → BOS 2026-12-23 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-23 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2026-12-23 07:45:00 → BOS 2026-12-23 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-24 · Axel-exclusive $645.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV582 / UA688: SAL 2026-12-24 09:35:00 → BOS 2026-12-24 18:57:00; 1 stop(s) via IAD; 502 minutes. Local airport times.
    • AV582: SAL 2026-12-24 09:35:00 → IAD 2026-12-24 14:55:00; layover at IAD: 140 minutes.
    • UA688: IAD 2026-12-24 17:15:00 → BOS 2026-12-24 18:57:00.

2026-12-22 → 2026-12-24 · Axel-exclusive $681.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV582 / UA688: SAL 2026-12-24 09:35:00 → BOS 2026-12-24 18:57:00; 1 stop(s) via IAD; 502 minutes. Local airport times.
    • AV582: SAL 2026-12-24 09:35:00 → IAD 2026-12-24 14:55:00; layover at IAD: 140 minutes.
    • UA688: IAD 2026-12-24 17:15:00 → BOS 2026-12-24 18:57:00.

2026-12-22 → 2026-12-25 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2026-12-25 07:45:00 → BOS 2026-12-25 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-25 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2026-12-25 07:45:00 → BOS 2026-12-25 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-26 · Axel-exclusive $732.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • United Airlines UA1458 / UA641: SAL 2026-12-26 01:10:00 → BOS 2026-12-26 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2026-12-26 01:10:00 → IAD 2026-12-26 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2026-12-26 08:40:00 → BOS 2026-12-26 10:19:00.

2026-12-22 → 2026-12-26 · Axel-exclusive $746.76

  • United Airlines UA721 / UA1194: BOS 2026-12-22 14:40:00 → SAL 2026-12-22 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2026-12-22 14:40:00 → IAD 2026-12-22 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2026-12-22 18:00:00 → SAL 2026-12-22 21:45:00.
  • United Airlines UA1458 / UA641: SAL 2026-12-26 01:10:00 → BOS 2026-12-26 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2026-12-26 01:10:00 → IAD 2026-12-26 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2026-12-26 08:40:00 → BOS 2026-12-26 10:19:00.

2026-12-22 → 2026-12-28 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2026-12-28 07:45:00 → BOS 2026-12-28 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-28 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2026-12-28 07:45:00 → BOS 2026-12-28 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-29 · Axel-exclusive $732.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • United Airlines UA1458 / UA641: SAL 2026-12-29 01:10:00 → BOS 2026-12-29 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2026-12-29 01:10:00 → IAD 2026-12-29 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2026-12-29 08:40:00 → BOS 2026-12-29 10:19:00.

2026-12-22 → 2026-12-29 · Axel-exclusive $746.76

  • United Airlines UA721 / UA1194: BOS 2026-12-22 14:40:00 → SAL 2026-12-22 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2026-12-22 14:40:00 → IAD 2026-12-22 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2026-12-22 18:00:00 → SAL 2026-12-22 21:45:00.
  • United Airlines UA1458 / UA641: SAL 2026-12-29 01:10:00 → BOS 2026-12-29 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2026-12-29 01:10:00 → IAD 2026-12-29 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2026-12-29 08:40:00 → BOS 2026-12-29 10:19:00.

2026-12-22 → 2026-12-30 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2026-12-30 07:45:00 → BOS 2026-12-30 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2026-12-30 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2026-12-30 07:45:00 → BOS 2026-12-30 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2027-01-01 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2027-01-01 07:45:00 → BOS 2027-01-01 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2027-01-01 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2027-01-01 07:45:00 → BOS 2027-01-01 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2027-01-02 · Axel-exclusive $732.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-02 01:10:00 → BOS 2027-01-02 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-02 01:10:00 → IAD 2027-01-02 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-02 08:40:00 → BOS 2027-01-02 10:19:00.

2026-12-22 → 2027-01-02 · Axel-exclusive $746.76

  • United Airlines UA721 / UA1194: BOS 2026-12-22 14:40:00 → SAL 2026-12-22 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2026-12-22 14:40:00 → IAD 2026-12-22 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2026-12-22 18:00:00 → SAL 2026-12-22 21:45:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-02 01:10:00 → BOS 2027-01-02 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-02 01:10:00 → IAD 2027-01-02 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-02 08:40:00 → BOS 2027-01-02 10:19:00.

2026-12-22 → 2027-01-03 · Axel-exclusive $674.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • Avianca AV444: SAL 2027-01-03 07:45:00 → BOS 2027-01-03 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2027-01-03 · Axel-exclusive $710.51

  • Delta Air Lines DL2242 / DL1910: BOS 2026-12-22 05:30:00 → SAL 2026-12-22 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2026-12-22 05:30:00 → ATL 2026-12-22 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2026-12-22 10:35:00 → SAL 2026-12-22 13:14:00.
  • Avianca AV444: SAL 2027-01-03 07:45:00 → BOS 2027-01-03 13:45:00; nonstop; 300 minutes. Local airport times.

2026-12-22 → 2027-01-05 · Axel-exclusive $732.26

  • Copa Airlines CM705 / CM878: BOS 2026-12-22 14:43:00 → SAL 2026-12-22 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2026-12-22 14:43:00 → PTY 2026-12-22 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2026-12-22 22:28:00 → SAL 2026-12-22 23:38:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-05 01:10:00 → BOS 2027-01-05 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-05 01:10:00 → IAD 2027-01-05 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-05 08:40:00 → BOS 2027-01-05 10:19:00.

2026-12-22 → 2027-01-05 · Axel-exclusive $746.76

  • United Airlines UA721 / UA1194: BOS 2026-12-22 14:40:00 → SAL 2026-12-22 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2026-12-22 14:40:00 → IAD 2026-12-22 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2026-12-22 18:00:00 → SAL 2026-12-22 21:45:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-05 01:10:00 → BOS 2027-01-05 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-05 01:10:00 → IAD 2027-01-05 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-05 08:40:00 → BOS 2027-01-05 10:19:00.

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For AI assistants

  • This page: Boston (BOS) to San Salvador (SAL) · Dec 22, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • 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 Boston to San Salvador (SAL) 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.