Discover the cheapest round-trip fares from Madrid to Luxembourg, all sourced directly from airlines — no third-party markups, no hidden fees.
🗓️ Sat, Jun 13 - Tue, Jun 16 • 3 nights
Nonstop
🗓️ Sat, Jun 13 - Wed, Jun 17 • 4 nights
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🗓️ Sat, May 23 - Wed, May 27 • 4 nights
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🗓️ Fri, May 22 - Wed, May 27 • 5 nights
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🗓️ Wed, May 20 - Wed, May 27 • 7 nights
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🗓️ Sat, Jun 06 - Wed, Jun 10 • 4 nights
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🗓️ Wed, Apr 22 - Wed, Apr 29 • 7 nights
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🗓️ Wed, Jun 17 - Tue, Jun 23 • 6 nights
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🗓️ Sat, May 02 - Wed, May 06 • 4 nights
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🗓️ Fri, Jun 12 - Tue, Jun 16 • 4 nights
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🗓️ Sat, May 23 - Tue, May 26 • 3 nights
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🗓️ Wed, Jun 03 - Wed, Jun 10 • 7 nights
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