Cheapest one-way flights from Chicago to Lisbon in March from $242

AirHint found the following cheapest one-way flights from Chicago (MDW) to Lisbon (LIS) in March 2026 (see full year).

One-Way flights

01 Mar Frontier Airlines
17 Mar Frontier Airlines
10 Mar Frontier Airlines
09 Mar Frontier Airlines
15 Mar Frontier Airlines
31 Mar Frontier Airlines
11 Mar Delta
18 Mar Delta
22 Mar Virgin Atlantic
21 Mar Delta

Also check the deals for return flights from Chicago to Lisbon in March.

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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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