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Basel to Warsaw flights in December 2026 from $30 BSL, MLH, ZBA, ZDH → WAW, WMI

EuroAirport Swiss (BSL), EuroAirport Basel-Mulhouse-Freiburg (MLH), Basel Bad Railway Station (ZBA), Basel SBB station (ZDH) → Frederic Chopin Airport (WAW), Warsaw-Modlin Airport (WMI)

For departures in December 2026, the cheapest return found recently is $74 with Wizz Air, 4 Dec – 7 Dec, found 2 days ago. The cheapest one-way found recently is $30 with Wizz Air, 5 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $101 to $162. Across all 13 departure dates we hold on this route, it is usually $89 to $162. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$74

4 Dec – 7 Dec · Wizz Air

EuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$73

5 Dec – 7 Dec · Wizz Air

EuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
5 Dec – 7 Dec$73Wizz Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 7 Dec$74Wizz Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 8 Jan 2027$101Wizz Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Dec – 6 Jan 2027$135Wizz Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 6 Jan 2027$142Wizz Airout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

9 departure dates

4 Dec – 7 Dec: $74, found 2 days ago5 Dec – 7 Dec: $73, found 3 days ago17 Dec – 21 Dec: $146, found 5 days ago20 Dec – 24 Dec: $205, found 4 days ago25 Dec – 8 Jan 2027: $101, found 2 days ago26 Dec – 6 Jan 2027: $135, found 4 days ago28 Dec – 4 Jan 2027: $166, found 3 days ago29 Dec – 6 Jan 2027: $142, found 4 days ago30 Dec – 4 Jan 2027: $162, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 7 Dec$74Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Dec – 7 Dec$73Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 21 Dec$146easyJetEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out 2 stops, back nonstopfound 5 days agoSee prices for these dates
20 Dec – 24 Dec$205Wizz AirEuroAirport Swiss (BSL) → Frederic Chopin Airport (WAW)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 8 Jan 2027$101Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Dec – 6 Jan 2027$135Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Dec – 4 Jan 2027$166Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
29 Dec – 6 Jan 2027$142Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Dec – 4 Jan 2027$162Wizz AirEuroAirport Swiss (BSL) → Frederic Chopin Airport (WAW)out 1 stop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $73.

November 2026From $893 departure dates13 Nov – 15 Nov · found 5 days agoSee prices for these dates
December 2026From $73Cheapest seen9 departure dates5 Dec – 7 Dec · found 3 days agoSee prices for these dates
October 2027From $861 departure date31 Oct 2027 – 2 Nov 2027 · found 4 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 6 departure dates is usually $36 to $47. Across all 25 departure dates we hold on this route, it is usually $33 to $63. Of the 3 months with enough one-way fares to compare, 1 is usually cheaper than December 2026.

Cheapest one-way found recently

$30

5 Dec · Wizz Air

EuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)

nonstop

found 2 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
5 Dec$30Wizz Airnonstopfound 2 days agoOpen this trip
31 Dec$35Wizz Airnonstopfound 3 days agoOpen this trip
4 Dec$37Wizz Airnonstopfound 2 days agoOpen this trip
12 Dec$41Wizz Airnonstopfound 3 days agoOpen this trip
14 Dec$49Wizz Airnonstopfound 2 days agoOpen this trip

Every date we hold

6 departure dates

4 Dec: $37, found 2 days ago5 Dec: $30, found 2 days ago12 Dec: $41, found 3 days ago14 Dec: $49, found 2 days ago27 Dec: $91, found 4 days ago31 Dec: $35, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec$37Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 2 days agoOpen this trip
5 Dec$30Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 2 days agoOpen this trip
12 Dec$41Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 3 days agoOpen this trip
14 Dec$49Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 2 days agoOpen this trip
27 Dec$91Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 4 days agoOpen this trip
31 Dec$35Wizz AirEuroAirport Swiss (BSL) → Warsaw-Modlin Airport (WMI)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $25.

November 2026From $322 departure dates28 Nov · found 2 days agoOpen this trip
December 2026From $306 departure dates5 Dec · found 2 days agoOpen this trip
January 2027From $25Cheapest seen7 departure dates15 Jan 2027 · found 2 days agoOpen this tripEvery date in January 2027
February 2027From $272 departure dates12 Feb 2027 · found 3 days agoOpen this trip
March 2027From $712 departure dates23 Mar 2027 · found 6 days agoOpen this trip
April 2027From $464 departure dates16 Apr 2027 · found 5 days agoOpen this trip
May 2027From $361 departure date10 May 2027 · found 5 days agoOpen this trip
July 2027From $801 departure date1 Jul 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