Discover the cheapest round-trip fares from Madrid to Luxembourg, all sourced directly from airlines — no third-party markups, no hidden fees.
🗓️ Fri, Feb 27 - Wed, Mar 04 • 5 nights
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🗓️ Fri, Feb 27 - Thu, Mar 05 • 6 nights
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🗓️ Wed, Mar 11 - Thu, Mar 12 • 1 night
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🗓️ Fri, Feb 27 - Fri, Mar 06 • 7 nights
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🗓️ Fri, Feb 27 - Sat, Feb 28 • 1 night
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🗓️ Wed, Mar 04 - Thu, Mar 05 • 1 night
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🗓️ Fri, Mar 06 - Wed, Mar 11 • 5 nights
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🗓️ Fri, Mar 06 - Thu, Mar 12 • 6 nights
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🗓️ Sat, Mar 07 - Wed, Mar 11 • 4 nights
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🗓️ Sat, Mar 07 - Thu, Mar 12 • 5 nights
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🗓️ Fri, Feb 13 - Fri, Feb 20 • 7 nights
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🗓️ Wed, Mar 04 - Wed, Mar 11 • 7 nights
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