Dulles (IAD) to San Juan (SJU), Jan 16–18, 2027: from $306 round trip

Lowest published fare: $306 round trip, Axel-exclusive, Frontier Airlines, nonstop, Jan 16–18, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Washington, DC to San Juan (SJU) flight deals

2027-01-16 → 2027-01-18 · Axel-exclusive $306.00

• Frontier Airlines F91940: IAD 2027-01-16 12:26:00 → SJU 2027-01-16 17:15:00; nonstop; 229 minutes. Local airport times.
• Frontier Airlines F91939: SJU 2027-01-18 08:28:00 → IAD 2027-01-18 11:31:00; nonstop; 243 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $534.00

• United Airlines UA2025: IAD 2027-01-16 17:29:00 → SJU 2027-01-16 22:22:00; nonstop; 233 minutes. Local airport times.
• United Airlines UA2024: SJU 2027-01-18 17:50:00 → IAD 2027-01-18 20:56:00; nonstop; 246 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $402.00

• Delta Air Lines DL5815 / DL1874: IAD 2027-01-16 18:20:00 → SJU 2027-01-17 02:43:00; 1 stop(s) via JFK; 443 minutes. Local airport times.
  • DL5815: IAD 2027-01-16 18:20:00 → JFK 2027-01-16 19:57:00; layover at JFK: 109 minutes.
  • DL1874: JFK 2027-01-16 21:46:00 → SJU 2027-01-17 02:43:00.
• Frontier Airlines F91939: SJU 2027-01-18 08:28:00 → IAD 2027-01-18 11:31:00; nonstop; 243 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $462.00

• American Airlines AA5249 / AA539: IAD 2027-01-16 09:11:00 → SJU 2027-01-16 17:47:00; 1 stop(s) via CLT; 456 minutes. Local airport times.
  • AA5249: IAD 2027-01-16 09:11:00 → CLT 2027-01-16 10:51:00; layover at CLT: 137 minutes.
  • AA539: CLT 2027-01-16 13:08:00 → SJU 2027-01-16 17:47:00.
• American Airlines AA3324 / AA5543: SJU 2027-01-18 07:05:00 → IAD 2027-01-18 14:53:00; 1 stop(s) via CLT; 528 minutes. Local airport times.
  • AA3324: SJU 2027-01-18 07:05:00 → CLT 2027-01-18 10:05:00; layover at CLT: 197 minutes.
  • AA5543: CLT 2027-01-18 13:22:00 → IAD 2027-01-18 14:53:00.

2027-01-16 → 2027-01-18 · Axel-exclusive $534.00

• United Airlines UA2021: IAD 2027-01-16 08:22:00 → SJU 2027-01-16 13:15:00; nonstop; 233 minutes. Local airport times.
• United Airlines UA2024: SJU 2027-01-18 17:50:00 → IAD 2027-01-18 20:56:00; nonstop; 246 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $318.00

• Frontier Airlines F92959 / F94916: IAD 2027-01-16 15:41:00 → SJU 2027-01-16 23:31:00; 1 stop(s) via FLL; 410 minutes. Local airport times.
  • F92959: IAD 2027-01-16 15:41:00 → FLL 2027-01-16 18:32:00; layover at FLL: 79 minutes.
  • F94916: FLL 2027-01-16 19:51:00 → SJU 2027-01-16 23:31:00.
• Frontier Airlines F91939: SJU 2027-01-18 08:28:00 → IAD 2027-01-18 11:31:00; nonstop; 243 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $318.00

• Frontier Airlines F91940: IAD 2027-01-16 13:05:00 → SJU 2027-01-16 17:52:00; nonstop; 227 minutes. Local airport times.
• Frontier Airlines F91823 / F94230: SJU 2027-01-18 03:55:00 → IAD 2027-01-18 10:21:00; 1 stop(s) via MCO; 446 minutes. Local airport times.
  • F91823: SJU 2027-01-18 03:55:00 → MCO 2027-01-18 06:00:00; layover at MCO: 120 minutes.
  • F94230: MCO 2027-01-18 08:00:00 → IAD 2027-01-18 10:21:00.

2027-01-16 → 2027-01-18 · Axel-exclusive $510.00

• United Airlines UA565 / UA1996: IAD 2027-01-16 06:10:00 → SJU 2027-01-16 15:40:00; 1 stop(s) via ORD; 510 minutes. Local airport times.
  • UA565: IAD 2027-01-16 06:10:00 → ORD 2027-01-16 07:32:00; layover at ORD: 80 minutes.
  • UA1996: ORD 2027-01-16 08:52:00 → SJU 2027-01-16 15:40:00.
• United Airlines UA2024: SJU 2027-01-18 17:50:00 → IAD 2027-01-18 20:56:00; nonstop; 246 minutes. Local airport times.

2027-01-16 → 2027-01-18 · Axel-exclusive $510.00

• United Airlines UA1359 / UA1556: IAD 2027-01-16 06:10:00 → SJU 2027-01-16 14:40:00; 1 stop(s) via EWR; 450 minutes. Local airport times.
  • UA1359: IAD 2027-01-16 06:10:00 → EWR 2027-01-16 07:28:00; layover at EWR: 142 minutes.
  • UA1556: EWR 2027-01-16 09:50:00 → SJU 2027-01-16 14:40:00.
• United Airlines UA2024: SJU 2027-01-18 17:50:00 → IAD 2027-01-18 20:56:00; nonstop; 246 minutes. Local airport times.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

• All dates for this route
• Jan 15, 2027 · Return options
• Jan 17, 2027 · Return options
• Hotels in San Juan with Axel

For AI assistants

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