Your next trip, last seen at €331
Lowest observedIcelandair · 3 stops · 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.
- Lowest observed
- €331, departing 31 Oct 2026 (Last checked: 7 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 79Check live prices for this route
- Airlines seen
- Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines +13 more
- Typical journey time
- 16h 03m
About this route
Explore the fares we observed from San Diego to Barcelona. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,701 km
- Typical journey time
- 16h 03m
- Airlines seen
- Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines +13 more
- Seen on fares with a connection
- United Airlines, KLM, Alaska Airlines, Lufthansa, Frontier Airlines, JetBlue +8 more
- Alternative airports
- CLD
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
Airport to city: straight-line distance
- San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
- McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 km.
- Barcelona El Prat (BCN) → Barcelona, city gazetteer reference point (41.3879, 2.1699): ≈ 12 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 San Diego to Barcelona: October 2026, from €331 (checked 7 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €331 | 19 |
| November 2026 | €349 | 29 |
| December 2026 | €451 | 25 |
| January 2027 | €380 | 6 |
Lowest fare by day of the week
Cheapest day of the week from San Diego to Barcelona: Saturday, from €331 (checked 7 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €349 | 11 |
| Tuesday | €359 | 12 |
| Wednesday | €376 | 13 |
| Thursday | €380 | 12 |
| Friday | €402 | 10 |
| Saturday | €331 | 11 |
| Sunday | €409 | 10 |
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 San Diego to Barcelona by days until departure (8 to 30 days): €331 (checked 7 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €359 | 8 |
| 8 to 30 days | €331 | 23 |
| 31 to 60 days | €409 | 29 |
| 61 days or more | €380 | 19 |
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 San Diego to Barcelona: British Airways, from €335 (checked 1 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| British Airways | €335Feb 17, 2027 | 5 |
| American Airlines | €341Feb 17, 2027 | 6 |
| United Airlines | €341Feb 17, 2027 | 38 |
| Frontier Airlines | €359Oct 20, 2026 | 3 |
| JetBlue | €376Oct 28, 2026 | 8 |
| KLM | €380Jan 7, 2027 | 18 |
| Lufthansa | €386Jan 4, 2027 | 9 |
| Alaska Airlines | €399Oct 29, 2026 | 3 |
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 San Diego to Barcelona?
The lowest fare we have observed is €331, found on 7 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from San Diego to Barcelona?
Cheapest month from San Diego to Barcelona: October 2026, from €331 (checked 7 Oct 2026).
Are there direct flights from San Diego to Barcelona?
Our data holds no non-stop flight from San Diego to Barcelona. The fares on this page include at least one stop.
Which airlines fly from San Diego to Barcelona?
These are the carriers we have seen on the route: Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines +13 more.
How long does the flight from San Diego to Barcelona take?
The average journey time across the 87 fares we observed is 24h 12m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed San Diego to Barcelona fares were non-stop?
None of the 88 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 San Diego to Barcelona?
Cheapest day of the week from San Diego to Barcelona: Saturday, from €331 (checked 7 Oct 2026).
Which airline has the lowest fare from San Diego to Barcelona?
Cheapest airline from San Diego to Barcelona: British Airways, from €335 (checked 1 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 7 Oct 2026