We've found an exceptional economy fare from Lisbon to Chicago at €753 — that's 30% below the usual route average of €1,079. This Aer Lingus economy deal represents significant savings for travelers looking to fly round-trip between Lisbon and Chicago.

This round-trip journey features 1 stop with a total travel time of 21 hr 45 min. Outbound travel is on Jun 21, 2026, with a return on Jun 28, 2026.

We recommend booking directly through the airline or a trusted booking platform. At these discounted rates, availability can change quickly. Consider flexible fare options if your travel dates aren't fixed.

USA operates on the UTC-5 timezone, and the local currency is the USD. The primary language spoken is English. From New York's skyline to the Grand Canyon's depths, the USA offers unparalleled diversity with world-class cities, vast national parks, and iconic road trip routes.

This deal was detected by our automated price comparison system, which continuously monitors flight prices across hundreds of routes. By comparing current prices against historical averages, we identify genuine discounts — not artificially inflated "sales." When we detect a price significantly below the route average, we flag it as a deal.