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Bus from San Miguel to La Unión

Ruta 320 public bus · ~1 hour · $1-3 USD · Frequent

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The San Miguel → La Unión route is the standard transit from the eastern commercial hub to the Pacific port — gateway to Volcán Conchagua sunrise hike + Gulf of Fonseca islands.

Spring Bus connects you to operators on this route — Ruta 320 dominates, frequent + cheap.

Route details: San Miguel to La Unión

Travel time

1 h

Distance

40 km

Typical fare

$1 – $10 USD per person

Frequency

Frequent — every 20-30 min

First departure

Approx. 5:00 AM

Last departure

Approx. 6:00 PM

Operators on this route

Ruta 320 (public bus)

Pickup at San Miguel

San Miguel eastern terminal

Drop-off at La Unión

La Unión bus terminal — short walk to the port + Gulf-of-Fonseca pier

About the journey

The San Miguel → La Unión route is the standard eastern transit — ~1 hour east on Ruta 320 from San Miguel's eastern terminal to the Pacific port on the Gulf of Fonseca. Gateway to Volcán Conchagua sunrise hike + Gulf islands boat trips.

Travel tips for San MiguelLa Unión

  • Ruta 320 every 20-30 minutes from San Miguel's eastern terminal — $1-3 USD, ~1 hour.
  • Volcán Conchagua sunrise hike ~$25-40 USD guide — the area's signature experience.
  • Gulf islands boat trips $30-60 USD/boat — Conchagüita + Meanguera islands.
  • Onward to El Amatillo border / Honduras: from La Unión, taxi ~30 min to El Amatillo (~$10 USD); cross-border buses to Tegucigalpa.
  • La Unión hotels are basic — many travelers day-trip from San Miguel.
  • Hot + humid (30-33°C) — bring lightweight clothes.

Frequently asked questions

How long is the bus from San Miguel to La Unión?

**About 1 hour** on Ruta 320 public bus.

How much is the bus from San Miguel to La Unión?

**$1-3 USD** on Ruta 320 public bus.

Can I day-trip La Unión from San Miguel?

**Yes — popular pattern.** Morning bus to La Unión + Volcán Conchagua hike (requires ~2 AM start for sunrise) + Gulf islands boat trip + back to San Miguel evening. The Conchagua hike specifically requires overnighting in La Unión or starting from San Miguel at ~midnight.

What time do buses run from San Miguel to La Unión?

**Frequent — every 20-30 minutes from ~5 AM to ~6 PM** on Ruta 320.

Can I cross to Honduras from La Unión?

**Yes — via the El Amatillo border** ~30 min by taxi (~$10 USD) from La Unión. **Cross-border buses to Tegucigalpa** depart from the El Amatillo border (Tica Bus + King Quality stop there).

Going the other direction?

Bus from La Unión to San Miguel

See the return route →

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