Cheapest return flights from Chicago to Lisbon in May from 582€
AirHint found the following cheapest return flights from Chicago (MDW) to Lisbon (LIS)
in May 2026 (see full year ).
Return flights
04 May
- 11 May
Air Transat
582 €
02 May
- 06 May
Porter Airlines (Canada) Ltd
637 €
14 May
- 21 May
Porter Airlines (Canada) Ltd
672 €
05 May
- 12 May
Porter Airlines (Canada) Ltd
685 €
06 May
- 13 May
Porter Airlines (Canada) Ltd
685 €
07 May
- 14 May
Porter Airlines (Canada) Ltd
693 €
01 May
- 08 May
Porter Airlines (Canada) Ltd
709 €
21 May
- 28 May
Air Transat
710 €
03 May
- 10 May
Porter Airlines (Canada) Ltd
729 €
02 May
- 08 May
Porter Airlines (Canada) Ltd
733 €
29 May
- 12 Jun
Porter Airlines (Canada) Ltd
811 €
20 May
- 13 Jun
Porter Airlines (Canada) Ltd
862 €
22 May
- 13 Jun
Air Transat
886 €
25 May
- 01 Jun
Porter Airlines (Canada) Ltd
910 €
28 May
- 11 Jun
Porter Airlines (Canada) Ltd
911 €
Also check the deals for one-way flights from Chicago to Lisbon in May .
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