Travel with Axel,
get the best price.

Boston → San Salvador

Jan 21, 2027 · return Jan 23, 2027

BOS → SAL1 adulteconomyRound trip

6 flight options · 5 airlines

One-stop flights

Thu, Jan 21 – Sat, Jan 23

Avianca
3:40 pmBOS
5h 35m
Nonstop
8:15 pmSAL
Avianca
9:35 amSAL
8h 22m
IAD · 2h 20m
6:57 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sat, Jan 23

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

Thu, Jan 21 – Sat, Jan 23

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

Thu, Jan 21 – Sat, Jan 23

American Airlines
5:00 amBOS
8h 17m
MIA · 1h 40m
12:17 pmSAL
American Airlines
1:11 pmSAL
8h 47m
MIA · 2h 39m
10:58 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sat, Jan 23

Delta Air Lines
5:30 amBOS
8h 44m
ATL · 2h 4m
1:14 pmSAL
United Airlines
1:10 amSAL
8h 9m
IAD · 2h 22m
10:19 amBOS

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sat, Jan 23

United Airlines
3:42 pmBOS
8h 5m
EWR · 1h 21m
10:47 pmSAL
United Airlines
1:10 amSAL
8h 9m
IAD · 2h 22m
10:19 amBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ SAL

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Avianca emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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

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)
2027-01-21 → 2027-01-23AviancaAV445 / AV582 + UA688$415.002026-10-29T00:52:46Z
2027-01-21 → 2027-01-23Copa Airlines / United AirlinesCM705 + CM878 / UA1458 + UA641$505.002026-10-29T00:52:46Z
2027-01-21 → 2027-01-23United AirlinesUA721 + UA1194 / UA1458 + UA641$515.002026-10-29T00:52:46Z
2027-01-21 → 2027-01-23American AirlinesAA2591 + AA327 / AA304 + AA2227$525.002026-10-29T00:52:46Z
2027-01-21 → 2027-01-23Delta Air Lines / United AirlinesDL2242 + DL1910 / UA1458 + UA641$530.002026-10-29T00:52:46Z
2027-01-21 → 2027-01-23United AirlinesUA546 + UA1425 / UA1458 + UA641$515.002026-10-29T00:52:46Z

2027-01-21 → 2027-01-23 · $415.00

  • Avianca AV445: BOS 2027-01-21 15:40:00 → SAL 2027-01-21 20:15:00; nonstop; 335 minutes. Local airport times.
  • Avianca AV582 / UA688: SAL 2027-01-23 09:35:00 → BOS 2027-01-23 18:57:00; 1 stop(s) via IAD; 502 minutes. Local airport times.
    • AV582: SAL 2027-01-23 09:35:00 → IAD 2027-01-23 14:55:00; layover at IAD: 140 minutes.
    • UA688: IAD 2027-01-23 17:15:00 → BOS 2027-01-23 18:57:00.

2027-01-21 → 2027-01-23 · $505.00

  • Copa Airlines CM705 / CM878: BOS 2027-01-21 14:43:00 → SAL 2027-01-21 23:38:00; 1 stop(s) via PTY; 595 minutes. Local airport times.
    • CM705: BOS 2027-01-21 14:43:00 → PTY 2027-01-21 20:41:00; layover at PTY: 107 minutes.
    • CM878: PTY 2027-01-21 22:28:00 → SAL 2027-01-21 23:38:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-23 01:10:00 → BOS 2027-01-23 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-23 01:10:00 → IAD 2027-01-23 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-23 08:40:00 → BOS 2027-01-23 10:19:00.

2027-01-21 → 2027-01-23 · $515.00

  • United Airlines UA721 / UA1194: BOS 2027-01-21 14:40:00 → SAL 2027-01-21 21:45:00; 1 stop(s) via IAD; 485 minutes. Local airport times.
    • UA721: BOS 2027-01-21 14:40:00 → IAD 2027-01-21 16:27:00; layover at IAD: 93 minutes.
    • UA1194: IAD 2027-01-21 18:00:00 → SAL 2027-01-21 21:45:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-23 01:10:00 → BOS 2027-01-23 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-23 01:10:00 → IAD 2027-01-23 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-23 08:40:00 → BOS 2027-01-23 10:19:00.

2027-01-21 → 2027-01-23 · $525.00

  • American Airlines AA2591 / AA327: BOS 2027-01-21 05:00:00 → SAL 2027-01-21 12:17:00; 1 stop(s) via MIA; 497 minutes. Local airport times.
    • AA2591: BOS 2027-01-21 05:00:00 → MIA 2027-01-21 08:37:00; layover at MIA: 100 minutes.
    • AA327: MIA 2027-01-21 10:17:00 → SAL 2027-01-21 12:17:00.
  • American Airlines AA304 / AA2227: SAL 2027-01-23 13:11:00 → BOS 2027-01-23 22:58:00; 1 stop(s) via MIA; 527 minutes. Local airport times.
    • AA304: SAL 2027-01-23 13:11:00 → MIA 2027-01-23 16:54:00; layover at MIA: 159 minutes.
    • AA2227: MIA 2027-01-23 19:33:00 → BOS 2027-01-23 22:58:00.

2027-01-21 → 2027-01-23 · $530.00

  • Delta Air Lines DL2242 / DL1910: BOS 2027-01-21 05:30:00 → SAL 2027-01-21 13:14:00; 1 stop(s) via ATL; 524 minutes. Local airport times.
    • DL2242: BOS 2027-01-21 05:30:00 → ATL 2027-01-21 08:31:00; layover at ATL: 124 minutes.
    • DL1910: ATL 2027-01-21 10:35:00 → SAL 2027-01-21 13:14:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-23 01:10:00 → BOS 2027-01-23 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-23 01:10:00 → IAD 2027-01-23 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-23 08:40:00 → BOS 2027-01-23 10:19:00.

2027-01-21 → 2027-01-23 · $515.00

  • United Airlines UA546 / UA1425: BOS 2027-01-21 15:42:00 → SAL 2027-01-21 22:47:00; 1 stop(s) via EWR; 485 minutes. Local airport times.
    • UA546: BOS 2027-01-21 15:42:00 → EWR 2027-01-21 17:08:00; layover at EWR: 81 minutes.
    • UA1425: EWR 2027-01-21 18:29:00 → SAL 2027-01-21 22:47:00.
  • United Airlines UA1458 / UA641: SAL 2027-01-23 01:10:00 → BOS 2027-01-23 10:19:00; 1 stop(s) via IAD; 489 minutes. Local airport times.
    • UA1458: SAL 2027-01-23 01:10:00 → IAD 2027-01-23 06:18:00; layover at IAD: 142 minutes.
    • UA641: IAD 2027-01-23 08:40:00 → BOS 2027-01-23 10:19:00.

More dates for this route