Cheap flights from Chicago to Lisbon
A good round-trip price from Chicago to Lisbon is under $863. Over the last 2 days the lowest fare we found each day was usually around $1,245, and the lowest of all was $863, for travel in November 2026.
Join to get alerts- Good price
- $863
- under this is a deal · round trip
- Typical price
- $1,245
- the middle of what we saw · round trip
- Lowest we saw
- $863
- for November 2026 · round trip
- Nonstop
- 0%
- of the cheapest fares
Cheapest months to fly
The cheapest round trip for each departure month, from fares seen on November 11, 2026.
- Nov 26$863 (Cheapest)
- Dec 26$1,627
Price over the last 30 days
The lowest round-trip fare we found each day. Today: $1,627.
Deals on this route
Members get an alert when a fare on this route drops well under $863.
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Questions about this route
What is a good price to fly from Chicago to Lisbon?
Under $863 round trip is a good price. Over the last 2 days the typical fare was $1,245 and the lowest was $863.
What is the cheapest month to fly from Chicago to Lisbon?
November 2026, at $863 round trip, from the fares we found today. The most expensive month is December 2026, at $1,627.
Are there cheap nonstop flights from Chicago to Lisbon?
None of the cheapest daily fares we found were nonstop. Expect one stop at the lowest prices.
How far ahead should I book flights from Chicago to Lisbon?
The cheapest quarter of fares we found were for trips about 0 days ahead. Deals also appear at short notice, which is why members get alerts.
How long is the flight from Chicago to Lisbon?
About 11 h 20 min one way on the cheapest fares we found, including any stops.
Fares like these don't wait
Members get an alert when a fare from their city drops far below normal, with the dates and a link to book.
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Based on 2 days of fares we checked between November 10, 2026 and November 11, 2026. Prices change fast, so always check the final price before you book.