Cheap flights from Milwaukee to Costa Barcelona

View AU$854 flight on Mon, 8 Sep. 2025Opens in a new window

Popular airlines from Milwaukee to Costa Barcelona

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Milwaukee (MKE) to Costa Barcelona (BCN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 8 Sep. - Wed, 17 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$970 Return, found 4 days ago
AU$970
Return
found 4 days ago
Select Delta flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Wed, 17 Sep., priced at AU$970 found 4 days ago
United
Mon, 8 Sep. - Wed, 17 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$971 Return, found 4 days ago
AU$971
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Wed, 17 Sep., priced at AU$971 found 4 days ago
United
Mon, 8 Sep. - Wed, 17 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$981 Return, found 4 days ago
AU$981
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Wed, 17 Sep., priced at AU$981 found 4 days ago
Lufthansa
Mon, 8 Sep. - Mon, 15 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$1,126 Return, found 4 days ago
AU$1,126
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Mon, 15 Sep., priced at AU$1,126 found 4 days ago
KLM
Mon, 8 Sep. - Wed, 17 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$1,127 Return, found 4 days ago
AU$1,127
Return
found 4 days ago
Select KLM flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Wed, 17 Sep., priced at AU$1,127 found 4 days ago
American Airlines
Mon, 8 Sep. - Wed, 17 Sep.
MKE
Milwaukee
BCN
Barcelona
AU$1,279 Return, found 4 days ago
AU$1,279
Return
found 4 days ago
Select American Airlines flight, departing Mon, 8 Sep. from Milwaukee to Barcelona, returning Wed, 17 Sep., priced at AU$1,279 found 4 days ago

Find the cheapest month to fly from Milwaukee (MKE) to Barcelona (BCN)

November is typically the cheapest month to fly

From AU$741 - AU$1,927 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.