Dulles (IAD) to San Jose (SJO), Dec 11–13, 2026: from $155 one way

Dulles (IAD) to San Jose (SJO), Dec 11–13, 2026: from $155 one way on Axel, checked Oct 29, 2026. Lowest published fare: $155 one way, Axel-exclusive, Frontier Airlines, 1 stop, Dec 11, 2026, 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 Jose (SJO) flight deals

2026-12-11 · one way · Axel-exclusive $285.00

• United Airlines UA2052: IAD 2026-12-11 08:59:00 → SJO 2026-12-11 13:00:00; nonstop; 301 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $155.00

• Frontier Airlines F94707 / F9215: IAD 2026-12-11 07:40:00 → SJO 2026-12-11 14:16:00; 1 stop(s) via ATL; 456 minutes. Local airport times.
  • F94707: IAD 2026-12-11 07:40:00 → ATL 2026-12-11 09:54:00; layover at ATL: 80 minutes.
  • F9215: ATL 2026-12-11 11:14:00 → SJO 2026-12-11 14:16:00.

2026-12-11 · one way · Axel-exclusive $195.00

• Avianca AV591 / AV609: IAD 2026-12-11 03:00:00 → SJO 2026-12-11 11:25:00; 1 stop(s) via SAL; 565 minutes. Local airport times.
  • AV591: IAD 2026-12-11 03:00:00 → SAL 2026-12-11 06:30:00; layover at SAL: 220 minutes.
  • AV609: SAL 2026-12-11 10:10:00 → SJO 2026-12-11 11:25:00.

2026-12-11 · one way · Axel-exclusive $245.00

• American Airlines AA552 / AA310: IAD 2026-12-11 06:01:00 → SJO 2026-12-11 14:35:00; 1 stop(s) via MIA; 574 minutes. Local airport times.
  • AA552: IAD 2026-12-11 06:01:00 → MIA 2026-12-11 08:50:00; layover at MIA: 218 minutes.
  • AA310: MIA 2026-12-11 12:28:00 → SJO 2026-12-11 14:35:00.

2026-12-12 · one way · Axel-exclusive $285.00

• United Airlines UA2052: IAD 2026-12-12 08:59:00 → SJO 2026-12-12 13:00:00; nonstop; 301 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $285.00

• United Airlines UA2052: IAD 2026-12-13 08:59:00 → SJO 2026-12-13 13:00:00; nonstop; 301 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $155.00

• Frontier Airlines F94707 / F9215: IAD 2026-12-12 07:40:00 → SJO 2026-12-12 14:16:00; 1 stop(s) via ATL; 456 minutes. Local airport times.
  • F94707: IAD 2026-12-12 07:40:00 → ATL 2026-12-12 09:54:00; layover at ATL: 80 minutes.
  • F9215: ATL 2026-12-12 11:14:00 → SJO 2026-12-12 14:16:00.

2026-12-13 · one way · Axel-exclusive $155.00

• Frontier Airlines F94707 / F9215: IAD 2026-12-13 07:40:00 → SJO 2026-12-13 14:16:00; 1 stop(s) via ATL; 456 minutes. Local airport times.
  • F94707: IAD 2026-12-13 07:40:00 → ATL 2026-12-13 09:54:00; layover at ATL: 80 minutes.
  • F9215: ATL 2026-12-13 11:14:00 → SJO 2026-12-13 14:16:00.

2026-12-13 · one way · Axel-exclusive $195.00

• Avianca AV591 / AV609: IAD 2026-12-13 03:00:00 → SJO 2026-12-13 11:25:00; 1 stop(s) via SAL; 565 minutes. Local airport times.
  • AV591: IAD 2026-12-13 03:00:00 → SAL 2026-12-13 06:30:00; layover at SAL: 220 minutes.
  • AV609: SAL 2026-12-13 10:10:00 → SJO 2026-12-13 11:25:00.

2026-12-12 · one way · Axel-exclusive $195.00

• Avianca AV591 / AV609: IAD 2026-12-12 03:00:00 → SJO 2026-12-12 11:25:00; 1 stop(s) via SAL; 565 minutes. Local airport times.
  • AV591: IAD 2026-12-12 03:00:00 → SAL 2026-12-12 06:30:00; layover at SAL: 220 minutes.
  • AV609: SAL 2026-12-12 10:10:00 → SJO 2026-12-12 11:25:00.

2026-12-13 · one way · Axel-exclusive $245.00

• American Airlines AA2774 / AA395: IAD 2026-12-13 14:42:00 → SJO 2026-12-13 23:01:00; 1 stop(s) via DFW; 559 minutes. Local airport times.
  • AA2774: IAD 2026-12-13 14:42:00 → DFW 2026-12-13 17:28:00; layover at DFW: 87 minutes.
  • AA395: DFW 2026-12-13 18:55:00 → SJO 2026-12-13 23:01:00.

2026-12-13 · one way · Axel-exclusive $245.00

• United Airlines UA2823 / UA1222: IAD 2026-12-13 12:38:00 → SJO 2026-12-13 19:53:00; 1 stop(s) via EWR; 495 minutes. Local airport times.
  • UA2823: IAD 2026-12-13 12:38:00 → EWR 2026-12-13 13:59:00; layover at EWR: 93 minutes.
  • UA1222: EWR 2026-12-13 15:32:00 → SJO 2026-12-13 19:53:00.

2026-12-11 · one way · Axel-exclusive $245.00

• United Airlines UA2823 / UA1222: IAD 2026-12-11 12:38:00 → SJO 2026-12-11 19:53:00; 1 stop(s) via EWR; 495 minutes. Local airport times.
  • UA2823: IAD 2026-12-11 12:38:00 → EWR 2026-12-11 13:59:00; layover at EWR: 93 minutes.
  • UA1222: EWR 2026-12-11 15:32:00 → SJO 2026-12-11 19:53:00.

2026-12-12 · one way · Axel-exclusive $245.00

• American Airlines AA552 / AA310: IAD 2026-12-12 06:01:00 → SJO 2026-12-12 14:35:00; 1 stop(s) via MIA; 574 minutes. Local airport times.
  • AA552: IAD 2026-12-12 06:01:00 → MIA 2026-12-12 08:50:00; layover at MIA: 218 minutes.
  • AA310: MIA 2026-12-12 12:28:00 → SJO 2026-12-12 14:35:00.

2026-12-11 · one way · Axel-exclusive $245.00

• American Airlines AA5649 / AA345: IAD 2026-12-11 06:00:00 → SJO 2026-12-11 12:42:00; 1 stop(s) via CLT; 462 minutes. Local airport times.
  • AA5649: IAD 2026-12-11 06:00:00 → CLT 2026-12-11 07:48:00; layover at CLT: 85 minutes.
  • AA345: CLT 2026-12-11 09:13:00 → SJO 2026-12-11 12:42:00.

2026-12-12 · one way · Axel-exclusive $245.00

• United Airlines UA2823 / UA1222: IAD 2026-12-12 12:38:00 → SJO 2026-12-12 19:53:00; 1 stop(s) via EWR; 495 minutes. Local airport times.
  • UA2823: IAD 2026-12-12 12:38:00 → EWR 2026-12-12 13:59:00; layover at EWR: 93 minutes.
  • UA1222: EWR 2026-12-12 15:32:00 → SJO 2026-12-12 19:53:00.

2026-12-12 · one way · Axel-exclusive $245.00

• American Airlines AA2774 / AA395: IAD 2026-12-12 14:42:00 → SJO 2026-12-12 23:01:00; 1 stop(s) via DFW; 559 minutes. Local airport times.
  • AA2774: IAD 2026-12-12 14:42:00 → DFW 2026-12-12 17:28:00; layover at DFW: 87 minutes.
  • AA395: DFW 2026-12-12 18:55:00 → SJO 2026-12-12 23:01:00.

2026-12-11 · one way · Axel-exclusive $245.00

• American Airlines AA2774 / AA395: IAD 2026-12-11 14:42:00 → SJO 2026-12-11 23:01:00; 1 stop(s) via DFW; 559 minutes. Local airport times.
  • AA2774: IAD 2026-12-11 14:42:00 → DFW 2026-12-11 17:28:00; layover at DFW: 87 minutes.
  • AA395: DFW 2026-12-11 18:55:00 → SJO 2026-12-11 23:01:00.

2026-12-13 · one way · Axel-exclusive $245.00

• American Airlines AA552 / AA310: IAD 2026-12-13 06:01:00 → SJO 2026-12-13 14:35:00; 1 stop(s) via MIA; 574 minutes. Local airport times.
  • AA552: IAD 2026-12-13 06:01:00 → MIA 2026-12-13 08:50:00; layover at MIA: 218 minutes.
  • AA310: MIA 2026-12-13 12:28:00 → SJO 2026-12-13 14:35:00.

2026-12-13 · one way · Axel-exclusive $245.00

• American Airlines AA5649 / AA345: IAD 2026-12-13 06:00:00 → SJO 2026-12-13 12:42:00; 1 stop(s) via CLT; 462 minutes. Local airport times.
  • AA5649: IAD 2026-12-13 06:00:00 → CLT 2026-12-13 07:48:00; layover at CLT: 85 minutes.
  • AA345: CLT 2026-12-13 09:13:00 → SJO 2026-12-13 12:42:00.

2026-12-12 · one way · Axel-exclusive $245.00

• American Airlines AA5649 / AA345: IAD 2026-12-12 06:00:00 → SJO 2026-12-12 12:42:00; 1 stop(s) via CLT; 462 minutes. Local airport times.
  • AA5649: IAD 2026-12-12 06:00:00 → CLT 2026-12-12 07:48:00; layover at CLT: 85 minutes.
  • AA345: CLT 2026-12-12 09:13:00 → SJO 2026-12-12 12:42:00.

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.

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