
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $425 (oojo) |
One-way from | $225 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $659 |
Good round-trip deal | $408 or less |
Good one-way deal | $321 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 1/14
7:10 pm-1:05 pm
1 stop11h 55m
Porto
Sat 1/24
4:55 pm-2:45 pm
1 stop27h 50m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 2/4
7:10 pm-10:00 pm
1 stop20h 50m
Porto
Wed 2/11
8:55 am-3:00 pm
1 stop12h 05m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 12/3
7:10 pm-6:00 pm
1 stop16h 50m
Porto
Sun 12/7
6:55 am-2:45 pm
1 stop13h 50m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 2/4
7:15 am-1:15 pm
2 stops24h 00m
Porto
Wed 2/11
6:00 am-1:10 pm
1 stop13h 10m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 11/26
4:25 pm-7:20 pm
1 stop20h 55m
Porto
Tue 12/2
9:55 am-2:20 pm
1 stop34h 25m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 2/4
3:35 pm-1:15 pm
2 stops15h 40m
Porto
Wed 2/11
6:00 am-9:13 am
2 stops33h 13m
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Sun 11/16
9:45 pm-2:15 pm
1 stop34h 30m
Funchal Madeira
Mon 11/24
12:25 pm-1:50 pm
1 stop31h 25m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Tue 1/6
1:54 pm-8:00 am
2 stops12h 06m
Lisbon Humberto Delgado
Tue 1/20
11:25 am-2:20 pm
1 stop32h 55m
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Wed 1/14
7:10 pm-3:45 pm
1 stop14h 35m
Faro
Thu 3/12
4:35 pm-4:25 pm
1 stop28h 50m
ChicagoPorto
MDW - OPO
MDWOPO
Chicago Midway
Wed 2/4
1:28 pm-10:30 am
2 stops15h 02m
Porto
Wed 2/11
6:00 am-5:32 pm
2 stops17h 32m
Currently, December is the cheapest month in which you can book a flight from Chicago to Portugal (average of $411). Flying from Chicago to Portugal in June is currently the most expensive (average of $695). 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 Portugal in the afternoon. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Chicago to Portugal flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$472 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$425 | Average$564 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$441 | Average$708 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$648 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$487 | Average$756 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$496 | Average$721 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$497 | Average$895 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$504 | Average$755 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$510 | Average$739 | FlexibilityNo cancel fee | On-time71% |