Basel to Barcelona flights in December 2026 from $46 BSL, MLH, ZBA, ZDH → BCN
EuroAirport Swiss (BSL), EuroAirport Basel-Mulhouse-Freiburg (MLH), Basel Bad Railway Station (ZBA), Basel SBB station (ZDH) → Barcelona-El Prat Airport (BCN)
For departures in December 2026, the cheapest return found recently is $160 with easyJet, 18 Dec – 25 Dec, found 2 days ago. The cheapest one-way found recently is $46 with easyJet, 4 Dec, found 7 days ago.
Return
In December 2026, the cheapest return fare on each of 10 departure dates is usually $111 to $157. Across all 26 departure dates we hold on this route, it is usually $99 to $154. Of the 4 months with enough return fares to compare, 2 are usually cheaper than December 2026.
Cheapest return found recently
$160
18 Dec – 25 Dec · easyJet
EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)
out 1 stop, back nonstop
found 2 days ago
Cheapest we hold, of any age
$78
31 Dec – 10 Jan 2027 · easyJet
EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)
out nonstop, back nonstop
found 6 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 31 Dec – 10 Jan 2027 | $78 | easyJet | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 10 Dec – 13 Dec | $103 | easyJet | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 1 Dec – 10 Dec | $110 | easyJet | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 5 Dec – 10 Dec | $115 | easyJet | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 6 Dec – 10 Dec | $125 | Vueling | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
Every date we hold
10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 10 Dec | $110 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 2 Dec – 9 Dec | $127 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 3 Dec – 8 Dec | $155 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 4 Dec – 10 Dec | $157 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 5 Dec – 10 Dec | $115 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 6 Dec – 10 Dec | $125 | Vueling | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 10 Dec – 13 Dec | $103 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 18 Dec – 25 Dec | $160 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 23 Dec – 1 Jan 2027 | $213 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 31 Dec – 10 Jan 2027 | $78 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $54.
One-way
We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.
Cheapest one-way found recently
$46
4 Dec · easyJet
EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)
1 stop
found 7 days ago
It is also the cheapest one-way we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 4 Dec | $46 | easyJet | 1 stop | found 7 days ago | Open this trip |
| 1 Dec | $48 | easyJet | nonstop | found 8 days ago | See prices for these dates |
Every date we hold
2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec | $48 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | nonstop | found 8 days ago | See prices for these dates |
| 4 Dec | $46 | easyJet | EuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN) | 1 stop | found 7 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $39.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work
