Washington (IAD) to Madrid (MAD) flight deal from $420 USD in economy class

BABritish Airways

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

MAD

Madrid-Barajas Airport

Madrid, Spain

$829 USD

-49%$420 USD

Verified Nov 30, 2025 at 10:22 PM

February 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

26$420 27$420 28$420 29$470 30$470 31$470 1$420 2$420 3$420 4$420 5$470 6$470 7$470 8$420 9$420 10$420 11$471 12$570 13$570 14$521 15$520 16$420 17$420 18$420 19$470 20$470 21$470 22$424 23$420 24$420 25$420 26$470 27$470 28$480 1

Rare Availability

6% of dates checked are available within 10% of the lowest price

Friday, February 13th, 2026

10 round-trip options

Returning

Wed, Feb 18, 2026•5 Day Trip

$596 USD

Google Flights

Returning

Thu, Feb 19, 2026•6 Day Trip

$630 USD

Google Flights

Returning

Fri, Feb 20, 2026•7 Day Trip

$870 USD

Google Flights

Returning

Sat, Feb 21, 2026•8 Day Trip

$917 USD

Google Flights

Returning

Sun, Feb 22, 2026•9 Day Trip

$720 USD

Google Flights

Returning

Mon, Feb 23, 2026•10 Day Trip

$682 USD

Google Flights

Returning

Tue, Feb 24, 2026•11 Day Trip

$580 USD

Google Flights

Returning

Wed, Feb 25, 2026•12 Day Trip

$581 USD

Google Flights

Returning

Thu, Feb 26, 2026•13 Day Trip

$570 USD

Google Flights

Returning

Fri, Feb 27, 2026•14 Day Trip

$580 USD

Google Flights