AirHint found the following cheapest return flights from Washington (IAD) to Madrid (MAD) in November 2025 (see full year).

Return flights

28 Nov - 07 Dec	TAP
14 Nov - 03 Dec	TAP
11 Nov - 26 Nov	TAP
14 Nov - 22 Nov	TAP
05 Nov - 12 Nov	TAP
23 Nov - 03 Dec	TAP
12 Nov - 19 Nov	TAP
14 Nov - 02 Dec	TAP
19 Nov - 13 Dec	TAP
29 Nov - 06 Dec	TAP
06 Nov - 12 Nov	TAP
12 Nov - 18 Nov	Aer Lingus
18 Nov - 25 Nov	Aer Lingus
19 Nov - 25 Nov	Aer Lingus
04 Nov - 13 Nov	Aer Lingus
18 Nov - 25 Nov	American Airlines	direct
24 Nov - 20 Dec	TAP
15 Nov - 06 Dec	TAP
27 Nov - 09 Dec	Aer Lingus
27 Nov - 09 Dec	Iberia	direct

Also check the deals for one-way flights from Washington to Madrid in November.

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 Washington to Madrid in November from $325

Return flights