Travel with Axel,
get the best price.

San Francisco → San Salvador

Dec 3, 2026 · return Dec 7, 2026

SFO → SAL1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Thu, Dec 3 – Mon, Dec 7

Avianca
1:30 amSFO
5h 25m
Nonstop
8:55 amSAL
Avianca
7:45 amSAL
6h 10m
Nonstop
11:55 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

Avianca
1:15 pmSFO
5h 35m
Nonstop
8:50 pmSAL
Avianca
7:45 amSAL
6h 10m
Nonstop
11:55 amSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 3 – Mon, Dec 7

Frontier Airlines
11:47 pmSFO
8h 43m
DFW · 1h 20m
10:30 am+1SAL
Avianca
7:45 amSAL
6h 10m
Nonstop
11:55 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

United Airlines
12:45 amSFO
10h 34m
IAH · 3h 43m
1:19 pmSAL
United Airlines
4:40 pmSAL
9h 50m
IAH · 2h 13m
12:30 am+1SFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

Avianca
1:00 amSFO
7h 50m
GUA · 1h 40m
10:50 amSAL
Avianca
7:45 amSAL
6h 10m
Nonstop
11:55 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

United Airlines
7:55 pmSFO
8h
LAX · 1h 31m
5:55 am+1SAL
United Airlines
4:40 pmSAL
9h 50m
IAH · 2h 13m
12:30 am+1SFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

United Airlines
4:40 pmSFO
10h 20m
LAS · 3h 47m
5:00 am+1SAL
United Airlines
4:40 pmSAL
9h 50m
IAH · 2h 13m
12:30 am+1SFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Mon, Dec 7

United Airlines
8:45 amSFO
10h 10m
DFW · 3h 10m
8:55 pmSAL
United Airlines
4:40 pmSAL
9h 50m
IAH · 2h 13m
12:30 am+1SFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ 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 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)
2026-12-03 → 2026-12-07AviancaAV559 / AV562$490.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07Frontier Airlines / AviancaF92930 + F9342 / AV562$420.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07United AirlinesUA604 + UA1441 / UA1130 + UA1609$530.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07AviancaAV563 / AV562$490.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07AviancaAV505 + AV573 / AV562$470.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07United AirlinesUA2409 + AV521 / UA1130 + UA1609$530.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07United AirlinesUA1434 + AV533 / UA1130 + UA1609$530.002026-10-29T01:19:49Z
2026-12-03 → 2026-12-07United AirlinesUA1883 + AV443 / UA1130 + UA1609$530.002026-10-29T01:19:49Z

2026-12-03 → 2026-12-07 · $490.00

  • Avianca AV559: SFO 2026-12-03 01:30:00 → SAL 2026-12-03 08:55:00; nonstop; 325 minutes. Local airport times.
  • Avianca AV562: SAL 2026-12-07 07:45:00 → SFO 2026-12-07 11:55:00; nonstop; 370 minutes. Local airport times.

2026-12-03 → 2026-12-07 · $420.00

  • Frontier Airlines F92930 / F9342: SFO 2026-12-03 23:47:00 → SAL 2026-12-04 10:30:00; 1 stop(s) via DFW; 523 minutes. Local airport times.
    • F92930: SFO 2026-12-03 23:47:00 → DFW 2026-12-04 05:25:00; layover at DFW: 80 minutes.
    • F9342: DFW 2026-12-04 06:45:00 → SAL 2026-12-04 10:30:00.
  • Avianca AV562: SAL 2026-12-07 07:45:00 → SFO 2026-12-07 11:55:00; nonstop; 370 minutes. Local airport times.

2026-12-03 → 2026-12-07 · $530.00

  • United Airlines UA604 / UA1441: SFO 2026-12-03 00:45:00 → SAL 2026-12-03 13:19:00; 1 stop(s) via IAH; 634 minutes. Local airport times.
    • UA604: SFO 2026-12-03 00:45:00 → IAH 2026-12-03 06:32:00; layover at IAH: 223 minutes.
    • UA1441: IAH 2026-12-03 10:15:00 → SAL 2026-12-03 13:19:00.
  • United Airlines UA1130 / UA1609: SAL 2026-12-07 16:40:00 → SFO 2026-12-08 00:30:00; 1 stop(s) via IAH; 590 minutes. Local airport times.
    • UA1130: SAL 2026-12-07 16:40:00 → IAH 2026-12-07 19:50:00; layover at IAH: 133 minutes.
    • UA1609: IAH 2026-12-07 22:03:00 → SFO 2026-12-08 00:30:00.

2026-12-03 → 2026-12-07 · $490.00

  • Avianca AV563: SFO 2026-12-03 13:15:00 → SAL 2026-12-03 20:50:00; nonstop; 335 minutes. Local airport times.
  • Avianca AV562: SAL 2026-12-07 07:45:00 → SFO 2026-12-07 11:55:00; nonstop; 370 minutes. Local airport times.

2026-12-03 → 2026-12-07 · $470.00

  • Avianca AV505 / AV573: SFO 2026-12-03 01:00:00 → SAL 2026-12-03 10:50:00; 1 stop(s) via GUA; 470 minutes. Local airport times.
    • AV505: SFO 2026-12-03 01:00:00 → GUA 2026-12-03 08:20:00; layover at GUA: 100 minutes.
    • AV573: GUA 2026-12-03 10:00:00 → SAL 2026-12-03 10:50:00.
  • Avianca AV562: SAL 2026-12-07 07:45:00 → SFO 2026-12-07 11:55:00; nonstop; 370 minutes. Local airport times.

2026-12-03 → 2026-12-07 · $530.00

  • United Airlines UA2409 / AV521: SFO 2026-12-03 19:55:00 → SAL 2026-12-04 05:55:00; 1 stop(s) via LAX; 480 minutes. Local airport times.
    • UA2409: SFO 2026-12-03 19:55:00 → LAX 2026-12-03 21:29:00; layover at LAX: 91 minutes.
    • AV521: LAX 2026-12-03 23:00:00 → SAL 2026-12-04 05:55:00.
  • United Airlines UA1130 / UA1609: SAL 2026-12-07 16:40:00 → SFO 2026-12-08 00:30:00; 1 stop(s) via IAH; 590 minutes. Local airport times.
    • UA1130: SAL 2026-12-07 16:40:00 → IAH 2026-12-07 19:50:00; layover at IAH: 133 minutes.
    • UA1609: IAH 2026-12-07 22:03:00 → SFO 2026-12-08 00:30:00.

2026-12-03 → 2026-12-07 · $530.00

  • United Airlines UA1434 / AV533: SFO 2026-12-03 16:40:00 → SAL 2026-12-04 05:00:00; 1 stop(s) via LAS; 620 minutes. Local airport times.
    • UA1434: SFO 2026-12-03 16:40:00 → LAS 2026-12-03 18:23:00; layover at LAS: 227 minutes.
    • AV533: LAS 2026-12-03 22:10:00 → SAL 2026-12-04 05:00:00.
  • United Airlines UA1130 / UA1609: SAL 2026-12-07 16:40:00 → SFO 2026-12-08 00:30:00; 1 stop(s) via IAH; 590 minutes. Local airport times.
    • UA1130: SAL 2026-12-07 16:40:00 → IAH 2026-12-07 19:50:00; layover at IAH: 133 minutes.
    • UA1609: IAH 2026-12-07 22:03:00 → SFO 2026-12-08 00:30:00.

2026-12-03 → 2026-12-07 · $530.00

  • United Airlines UA1883 / AV443: SFO 2026-12-03 08:45:00 → SAL 2026-12-03 20:55:00; 1 stop(s) via DFW; 610 minutes. Local airport times.
    • UA1883: SFO 2026-12-03 08:45:00 → DFW 2026-12-03 14:20:00; layover at DFW: 190 minutes.
    • AV443: DFW 2026-12-03 17:30:00 → SAL 2026-12-03 20:55:00.
  • United Airlines UA1130 / UA1609: SAL 2026-12-07 16:40:00 → SFO 2026-12-08 00:30:00; 1 stop(s) via IAH; 590 minutes. Local airport times.
    • UA1130: SAL 2026-12-07 16:40:00 → IAH 2026-12-07 19:50:00; layover at IAH: 133 minutes.
    • UA1609: IAH 2026-12-07 22:03:00 → SFO 2026-12-08 00:30:00.

More dates for this route