AirHint found the following cheapest return flights from Chicago (MDW) to Lisbon (LIS) in June 2026 (see full year).

Return flights

09 Jun - 12 Jun	Porter Airlines (Canada) Ltd
14 Jun - 22 Jun	WestJet
07 Jun - 12 Jun	Porter Airlines (Canada) Ltd
08 Jun - 16 Jun	Porter Airlines (Canada) Ltd
04 Jun - 16 Jun	Porter Airlines (Canada) Ltd
04 Jun - 11 Jun	Porter Airlines (Canada) Ltd
09 Jun - 30 Jun	Porter Airlines (Canada) Ltd
20 Jun - 27 Jun	WestJet
01 Jun - 15 Jun	WestJet
03 Jun - 10 Jun	WestJet
24 Jun - 02 Jul	WestJet
27 Jun - 04 Jul	WestJet
28 Jun - 06 Jul	WestJet
25 Jun - 03 Jul	WestJet
24 Jun - 01 Jul	WestJet
27 Jun - 05 Jul	WestJet
25 Jun - 02 Jul	WestJet
01 Jun - 01 Jul	Porter Airlines (Canada) Ltd
23 Jun - 01 Jul	Condor
29 Jun - 07 Jul	Condor

Also check the deals for one-way flights from Chicago to Lisbon in June.

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 Chicago to Lisbon in June from $1052

Return flights