How much is a ticket from Madrid to Frankfurt?

The cheapest price found today is $41.

When is it cheaper to fly?

Cheapest month is September — from $41.

Cheapest today — $41. Below is what booking services offer.

Departure	Airline	Stops	Price
Sep 16	Ryanair	1	$41	View
Sep 17	Ryanair	1	$45	View
Sep 29	Ryanair	1	$54	View
Oct 6	easyJet	1	$67	View
Sep 23	Wizz Air Malta	1	$68	View
Sep 14	Wizz Air Malta	1	$70	View
Sep 22	Ryanair	1	$70	View
Nov 7	Wizz Air Malta	1	$73	View

How much is a ticket from Madrid to Frankfurt?: The cheapest price found today is $41.
When is it cheaper to fly?: Cheapest month is September — from $41.

Links to booking services are affiliate links. The price stays the same for you.