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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

See prices for these datesCheck today's price

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

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec – 10 Jan 2027$78easyJetout nonstop, back nonstopfound 6 days agoSee prices for these dates
10 Dec – 13 Dec$103easyJetout 1 stop, back nonstopfound 3 days agoSee prices for these dates
1 Dec – 10 Dec$110easyJetout nonstop, back 1 stopfound 7 days agoSee prices for these dates
5 Dec – 10 Dec$115easyJetout nonstop, back 1 stopfound 3 days agoSee prices for these dates
6 Dec – 10 Dec$125Vuelingout nonstop, back 1 stopfound 3 days agoSee prices for these dates

Every date we hold

10 departure dates

1 Dec – 10 Dec: $110, found 7 days ago2 Dec – 9 Dec: $127, found 7 days ago3 Dec – 8 Dec: $155, found 7 days ago4 Dec – 10 Dec: $157, found 7 days ago5 Dec – 10 Dec: $115, found 3 days ago6 Dec – 10 Dec: $125, found 3 days ago10 Dec – 13 Dec: $103, found 3 days ago18 Dec – 25 Dec: $160, found 2 days ago23 Dec – 1 Jan 2027: $213, found 6 days ago31 Dec – 10 Jan 2027: $78, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 10 Dec$110easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 7 days agoSee prices for these dates
2 Dec – 9 Dec$127easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
3 Dec – 8 Dec$155easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
4 Dec – 10 Dec$157easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 7 days agoSee prices for these dates
5 Dec – 10 Dec$115easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
6 Dec – 10 Dec$125VuelingEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
10 Dec – 13 Dec$103easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 25 Dec$160easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
23 Dec – 1 Jan 2027$213easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
31 Dec – 10 Jan 2027$78easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $54.

November 2026From $1037 departure dates23 Nov – 28 Nov · found 7 days agoSee prices for these datesEvery date in November 2026
December 2026From $7810 departure dates31 Dec – 10 Jan 2027 · found 6 days agoSee prices for these dates
January 2027From $54Cheapest seen5 departure dates8 Jan 2027 – 11 Jan 2027 · found 2 days agoSee prices for these dates
March 2027From $583 departure dates15 Mar 2027 – 18 Mar 2027 · found 6 days agoSee prices for these dates
April 2027From $801 departure date5 Apr 2027 – 9 Apr 2027 · found 6 days agoSee prices for these dates

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

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
4 Dec$46easyJet1 stopfound 7 days agoOpen this trip
1 Dec$48easyJetnonstopfound 8 days agoSee prices for these dates

Every date we hold

2 departure dates

1 Dec: $48, found 8 days ago4 Dec: $46, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$48easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)nonstopfound 8 days agoSee prices for these dates
4 Dec$46easyJetEuroAirport Swiss (BSL) → Barcelona-El Prat Airport (BCN)1 stopfound 7 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $39.

November 2026From $481 departure date14 Nov · found 5 days agoOpen this tripEvery date in November 2026
December 2026From $462 departure dates4 Dec · found 7 days agoOpen this trip
January 2027From $39Cheapest seen2 departure dates6 Jan 2027 · found 5 days agoOpen this trip
March 2027From $852 departure dates24 Mar 2027 · found 6 days agoOpen this trip
May 2027From $512 departure dates24 May 2027 · found 3 days agoOpen this trip
June 2027From $741 departure date26 Jun 2027 · found 6 days agoOpen this trip

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