You know where to go
Select an airport in the search form
You don't know where to go
See where you can go on your budget
Easily compare round-trip flights from Chicago to Porto
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Porto by changing tabs
Quickest
Cheapest
TAP AIR PORTUGAL
16 Nov
ORD
12:20 pm
Chicago O'Hare Intl airport
12h 40m
1 Stop
7:00 am
+1
OPO
Porto airport
26 Nov
OPO
10:00 pm
Porto airport
24h 35m
1 Stop
4:35 pm
+1
ORD
Chicago O'Hare Intl airport
596 USD
TAP AIR PORTUGAL
16 Nov
ORD
12:20 pm
Chicago O'Hare Intl airport
12h 40m
1 Stop
7:00 am
+1
OPO
Porto airport
26 Nov
OPO
10:00 pm
Porto airport
24h 35m
1 Stop
4:35 pm
+1
ORD
Chicago O'Hare Intl airport
596 USD
TAP AIR PORTUGAL
11 Nov
ORD
12:20 pm
Chicago O'Hare Intl airport
14h 40m
1 Stop
9:00 am
+1
OPO
Porto airport
15 Nov
OPO
7:00 am
Porto airport
15h 35m
1 Stop
4:35 pm
ORD
Chicago O'Hare Intl airport
597 USD
TAP AIR PORTUGAL
11 Nov
ORD
12:20 pm
Chicago O'Hare Intl airport
14h 40m
1 Stop
9:00 am
+1
OPO
Porto airport
15 Nov
OPO
7:00 am
Porto airport
15h 35m
1 Stop
4:35 pm
ORD
Chicago O'Hare Intl airport
597 USD
TAP AIR PORTUGAL
11 Nov
ORD
12:20 pm
Chicago O'Hare Intl airport
14h 40m
1 Stop
9:00 am
+1
OPO
Porto airport
15 Nov
OPO
7:00 am
Porto airport
15h 35m
1 Stop
4:35 pm
ORD
Chicago O'Hare Intl airport
597 USD
KLM
07 Nov
MDW
6:55 am
Chicago Midway airport
15h 35m
2 Stops
4:30 am
+1
OPO
Porto airport
13 Nov
OPO
11:15 am
Porto airport
17h 09m
2 Stops
10:24 pm
MDW
Chicago Midway airport
1,488 USD
How to get the cheapest flight ticket from Chicago to Porto
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Porto?
January
The cheapest time of year to fly to Porto from Chicago is January. Most expensive is June
What is the cheapest day to fly to Porto?
Sunday
The cheapest day of the week is typically Sunday. The most expensive is typically Tuesday
When is the cheapest time to fly to Porto?
in the evening
Chicago to Porto flights are approximately 27% more expensive at noon than in the evening
What is the cheapest airline that flies to Porto?
Turkish Airlines
Turkish Airlines, TAP AIR PORTUGAL, and KLM are the most popular carriers operating from Chicago to Porto
What is the cheapest route?
Chicago O'Hare Intl - Porto
Fly from Chicago O'Hare Intl to Porto for the best Chicago - Porto flight prices
When is the cheapest time to book a flight to Porto?
0 days before
The cheapest time to buy a flight from Chicago to Porto is approximately 0 days to departure
60
Days before departure
0
Flight information for Chicago to Porto (OPO - CHI)
Find info about flight duration, direct flights, and airports for your flight from Chicago to Porto
| Fastest flight time | 10h 40m | The fastest flight from Chicago to Porto takes 10h 40m. | |
| Direct flights | None | There are no direct flights from Chicago to Porto. Popular non-direct routes for this connection are Chicago O'Hare Intl - Porto and Chicago Midway - Porto. | |
| Airports in Porto | 1 airport | There is 1 airport near Porto: Porto (OPO) |
Alternative routes for Chicago to Porto
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Flights to other cities in Portugal
Lost the lust for Porto? Check out some flights to other cities in Portugal
Round-trip flights to other destinations
Lost the lust for Porto? Check out some flights to other destinations
*Flight prices to Porto are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.