AirHint found the following cheapest return flights from Everett (PAE) to Madrid (MAD) in May 2026 (see full year).

Return flights

05 May - 12 May	Alaska Airlines
12 May - 19 May	Alaska Airlines
04 May - 11 May	Condor
19 May - 26 May	Alaska Airlines
07 May - 14 May	Alaska Airlines
03 May - 10 May	Condor
08 May - 15 May	Condor
26 May - 02 Jun	Condor
21 May - 28 May	Alaska Airlines
11 May - 18 May	Condor
31 May - 09 Jun	Condor
29 May - 05 Jun	Condor
18 May - 25 May	Condor
25 May - 01 Jun	Condor
28 May - 04 Jun	Alaska Airlines
31 May - 07 Jun	Condor

Also check the deals for one-way flights from Everett to Madrid in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Everett to Madrid in May from $680

Return flights