Prepare for long walks between terminals at ORD. Know your airline's terminal to avoid unnecessary travel.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $488 (FlightHub) |
One-way from | $241 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $570 |
Good round-trip deal | $493 or less |
Good one-way deal | $352 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Wed 3/4
10:49 am-10:35 am
2 stops17h 46m
Lisbon Humberto Delgado
Wed 3/18
10:00 am-10:31 pm
2 stops17h 31m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sun 3/22
5:25 pm-2:35 pm
1 stop16h 10m
Lisbon Humberto Delgado
Tue 3/31
9:50 am-11:59 pm
2 stops20h 09m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Tue 3/24
5:50 pm-2:35 pm
2 stops15h 45m
Lisbon Humberto Delgado
Tue 3/31
9:50 am-11:59 pm
2 stops20h 09m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Wed 3/4
10:36 am-10:35 am
2 stops17h 59m
Lisbon Humberto Delgado
Thu 3/12
5:30 am-6:00 pm
2 stops17h 30m
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Wed 3/4
10:49 am-10:35 am
2 stops17h 46m
Lisbon Humberto Delgado
Tue 3/10
5:30 am-6:40 pm
2 stops18h 10m
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Tue 1/20
1:31 pm-3:10 pm
2 stops19h 39m
Lisbon Humberto Delgado
Mon 1/26
12:20 pm-5:55 pm
2 stops35h 35m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Tue 3/10
6:20 pm-3:10 pm
1 stop15h 50m
Lisbon Humberto Delgado
Sun 5/10
5:00 am-2:15 pm
1 stop15h 15m
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Wed 1/21
9:50 am-10:35 am
2 stops18h 45m
Lisbon Humberto Delgado
Mon 1/26
11:25 am-6:36 pm
2 stops37h 11m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Mon 2/2
4:15 pm-8:10 am
1 stop9h 55m
Lisbon Humberto Delgado
Sat 2/28
6:10 am-6:25 pm
1 stop18h 15m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Fri 2/27
4:10 pm-8:10 am
1 stop10h 00m
Lisbon Humberto Delgado
Tue 3/10
10:15 am-6:28 pm
1 stop13h 13m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Chicago to Lisbon, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Chicago to Lisbon (average of $421). Flying from Chicago to Lisbon in June is currently the most expensive (average of $711). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Lisbon as you normally would.
Madrid (MAD) – chosen by Cheapflights users on 33% of 1-stop itineraries from Chicago to Lisbon on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $397.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 12h 20m.
Flights via London (LHR) offer the fastest connection on this route, with an average layover time of 1h 48m.
About 42% of weekly flights between Chicago and Lisbon have experienced delays in the past year, with the average delay time being 137 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 42% of flights being delayed.
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Entertainment
Food
Boarding
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$478 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$396 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$441 | Average$754 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$556 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$702 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$490 | Average$863 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$494 | Average$737 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$503 | Average$600 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$505 | Average$788 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$527 | Average$608 | FlexibilityNo cancel fee | On-time75% |