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 | $494 (Mytrip) |
One-way from | $227 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $879 |
Good round-trip deal | $439 or less |
Good one-way deal | $387 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Tue 3/3
6:17 pm-3:10 pm
2 stops14h 53m
Lisbon Humberto Delgado
Wed 3/11
5:00 am-6:40 pm
2 stops18h 40m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sun 1/4
6:21 pm-10:15 am
1 stop9h 54m
Lisbon Humberto Delgado
Mon 1/12
5:00 am-11:10 am
1 stop36h 10m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Wed 1/7
9:54 am-6:55 am
1 stop15h 01m
Lisbon Humberto Delgado
Wed 1/21
8:45 pm-2:55 pm
1 stop24h 10m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Mon 1/5
1:37 pm-8:10 am
1 stop12h 33m
Lisbon Humberto Delgado
Tue 1/13
10:15 am-4:56 pm
1 stop12h 41m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sun 1/25
1:57 pm-8:00 am
1 stop12h 03m
Lisbon Humberto Delgado
Sun 2/1
11:25 am-2:20 pm
1 stop32h 55m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Mon 2/2
2:27 pm-8:10 am
1 stop11h 43m
Lisbon Humberto Delgado
Sat 2/28
5:00 am-3:20 pm
1 stop16h 20m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Thu 2/26
4:10 pm-8:10 am
1 stop10h 00m
Lisbon Humberto Delgado
Thu 3/5
5:00 am-8:05 pm
1 stop21h 05m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sat 1/3
9:15 pm-10:15 am
1 stop31h 00m
Lisbon Humberto Delgado
Thu 1/15
11:20 am-11:39 pm
2 stops18h 19m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sat 1/31
8:45 pm-9:20 am
1 stop30h 35m
Lisbon Humberto Delgado
Sat 2/14
5:00 am-3:20 pm
1 stop16h 20m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Thu 3/5
7:00 am-8:55 am
1 stop19h 55m
Lisbon Humberto Delgado
Tue 3/10
4:50 pm-3:20 pm
1 stop27h 30m
| 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 $426). 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.
It’s typically best to fly out from Chicago to Lisbon at noon. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Chicago to Lisbon flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Sunderesh,Dec 2025
AUS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$472 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$396 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$441 | Average$778 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$648 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$854 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$682 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$494 | Average$728 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$503 | Average$600 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$505 | Average$824 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$527 | Average$621 | FlexibilityNo cancel fee | On-time75% |