Barcelona to San Juan flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Barcelona to San Juan is €379 with Level (checked on 30 Oct 2026).
Your next trip, last seen at €379
Lowest observedLevel · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €379, departing 12 Jan 2027 (Last checked: 30 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 51Check live prices for this route
- Airlines seen
- Air France, Avianca, Finnair, Frontier Airlines, Iberia, JetBlue, KLM, Level, Royal Air Maroc, Ryanair, TAP Air Portugal, United Airlines, Vueling (13)
- Typical journey time
- 18h
About this route
Explore the fares we observed from Barcelona to San Juan. Prices move often, so pick your dates to see the latest options.
- Route distance
- 6,870 km
- Typical journey time
- 18h
- Seen on fares with a connection
- Iberia, Avianca, Level, TAP Air Portugal, Air France, Finnair, JetBlue, United Airlines, Frontier Airlines, KLM, Vueling (11)
- Alternative airports
- SIG
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Barcelona El Prat (BCN) → Barcelona, city gazetteer reference point (41.3879, 2.1699): ≈ 12 km.
- Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
- Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Barcelona to San Juan: January 2027, from €379 (checked 30 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €417 | 17 |
| December 2026 | €426 | 11 |
| January 2027 | €379 | 23 |
Lowest fare by day of the week
Cheapest day of the week from Barcelona to San Juan: Tuesday, from €379 (checked 30 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €389 | 5 |
| Tuesday | €379 | 10 |
| Wednesday | €390 | 5 |
| Thursday | €379 | 10 |
| Friday | €390 | 7 |
| Saturday | €398 | 9 |
| Sunday | €448 | 5 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Barcelona to San Juan by days until departure (61 days or more): €379 (checked 30 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €440 | 8 |
| 8 to 30 days | €417 | 9 |
| 31 to 60 days | €426 | 11 |
| 61 days or more | €379 | 23 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Barcelona to San Juan: Level, from €379 (checked 30 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Level | €379Jan 12, 2027 | 16 |
| Avianca | €389Jan 18, 2027 | 6 |
| Iberia | €433Jan 26, 2027 | 15 |
| TAP Air Portugal | €446Nov 11, 2026 | 8 |
| Air France | €515Jan 11, 2027 | 4 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Barcelona to San Juan?
The lowest fare Routavio has observed is €379, found on 30 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Barcelona to San Juan?
Cheapest month from Barcelona to San Juan: January 2027, from €379 (checked 30 Oct 2026).
Are there direct flights from Barcelona to San Juan?
Our data holds no non-stop flight from Barcelona to San Juan. The fares on this page include at least one stop.
Which airlines fly from Barcelona to San Juan?
Routavio has seen these carriers on the route: Air France, Avianca, Finnair, Frontier Airlines, Iberia, JetBlue, KLM, Level, Royal Air Maroc, Ryanair, TAP Air Portugal, United Airlines, Vueling (13).
How long does the flight from Barcelona to San Juan take?
Across the 92 fares Routavio observed, the average journey time is 21h 48m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Barcelona to San Juan fares were non-stop?
None of the 92 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Barcelona to San Juan?
Cheapest day of the week from Barcelona to San Juan: Tuesday, from €379 (checked 30 Oct 2026).
Which airline has the lowest fare from Barcelona to San Juan?
Cheapest airline from Barcelona to San Juan: Level, from €379 (checked 30 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.