AirHint found the following cheapest return flights from Chicago (ORD) to Madrid (MAD)
in May 2025 (see full year ).
Return flights
06 May
- 14 May
Finnair
$ 545
direct
06 May
- 20 May
Finnair
$ 545
direct
06 May
- 13 May
Finnair
$ 549
direct
07 May
- 13 May
Finnair
$ 554
07 May
- 14 May
Finnair
$ 555
11 May
- 20 May
Aer Lingus
$ 556
04 May
- 14 May
British Airways
$ 560
11 May
- 23 May
Aer Lingus
$ 560
05 May
- 12 May
British Airways
$ 574
12 May
- 19 May
British Airways
$ 574
20 May
- 04 Jun
Spirit Airlines
$ 652
06 May
- 17 Jun
Finnair
$ 672
direct
14 May
- 19 Jun
British Airways
$ 681
10 May
- 23 Jun
Iberia
$ 738
01 May
- 14 Jun
Spirit Airlines
$ 739
14 May
- 14 Jun
Spirit Airlines
$ 745
27 May
- 17 Jun
Spirit Airlines
$ 765
28 May
- 04 Jun
Air Canada
$ 765
26 May
- 06 Jun
Air Canada
$ 768
28 May
- 04 Jun
Finnair
$ 790
direct
Also check the deals for one-way flights from Chicago 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.