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Cheap flights from Chicago to Porto from $232

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 am - 6:50 amORD  Chicago O'Hare Intl-OPO Porto
13h 45m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:35 pm - 8:05 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 30m1 stop Frankfurt am Main
$570Multiple Airlines
Mon, Oct 19 - Wed, Nov 4
American Airlines Logo
4:55 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
12h 50m1 stop Madrid Barajas
American Airlines Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$576American Airlines
Sun, Oct 18 - Tue, Nov 3
Iberia Logo
6:40 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
12h 05m1 stop Madrid Barajas
Iberia Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$576Iberia
Tue, Oct 27 - Tue, Nov 3
Iberia Logo
5:40 pm - 4:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 20m1 stop Madrid Barajas
Iberia Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$576Iberia
Tue, Dec 1 - Wed, Dec 9
American Airlines Logo
6:40 pm - 4:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 20m1 stop Madrid Barajas
American Airlines Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$576American Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
4:55 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
12h 50m1 stop Madrid Barajas
Multiple Airlines Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$577Multiple Airlines
Sun, Oct 18 - Tue, Nov 3
United Airlines Logo
5:30 pm - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
10h 00m1 stop Newark
United Airlines Logo
12:35 pm - 8:06 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 31m1 stop Newark
$585United Airlines
Tue, Dec 1 - Fri, Dec 11
United Airlines Logo
5:30 pm - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
10h 00m1 stop Newark
United Airlines Logo
12:35 pm - 9:33 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 58m1 stop Newark
$585United Airlines
Tue, Dec 1 - Thu, Dec 10
TAP AIR PORTUGAL Logo
6:00 pm - 8:25 pmORD  Chicago O'Hare Intl-OPO Porto
20h 25m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 4:30 pmOPO  Porto-ORD Chicago O'Hare Intl
27h 30m1 stop Lisbon Humberto Delgado
$625TAP AIR PORTUGAL
Thu, Oct 22 - Thu, Oct 29
TAP AIR PORTUGAL Logo
7:00 pm - 5:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 00m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:00 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
25h 30m1 stop Lisbon Humberto Delgado
$631TAP AIR PORTUGAL
Wed, Nov 25 - Tue, Dec 1

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Iberia flights from Chicago to Porto

Our best Iberia deals on Chicago to Porto flight tickets
Iberia
Dec 1
ORD5:40 pmChicago O'Hare Intl
16h 20m
1 stop
OPO4:00 pmPorto
Dec 9
OPO8:20 amPorto
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
$576
Iberia
Dec 1
ORD12:56 pmChicago O'Hare Intl
16h 49m
2 stops
OPO11:45 amPorto
Dec 9
OPO8:20 amPorto
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
$580
Iberia
Feb 10
ORD5:40 pmChicago O'Hare Intl
12h 05m
1 stop
OPO11:45 amPorto
Feb 15
OPO8:40 pmPorto
30h 20m
2 stops
ORD9:00 pmChicago O'Hare Intl
$584

Delta flights from Chicago to Porto

Our best Delta deals on Chicago to Porto flight tickets
Delta
Oct 27
MDW12:49 pmChicago Midway
16h 46m
2 stops
OPO10:35 amPorto
Nov 3
OPO5:00 amPorto
19h 00m
2 stops
MDW6:00 pmChicago Midway
$618
Delta
Nov 29
ORD7:00 amChicago O'Hare Intl
19h 15m
1 stop
OPO8:15 amPorto
Dec 12
OPO10:15 amPorto
15h 10m
1 stop
ORD7:25 pmChicago O'Hare Intl
$635
Delta
Dec 1
ORD8:25 pmChicago O'Hare Intl
29h 50m
1 stop
OPO8:15 amPorto
Dec 12
OPO10:15 amPorto
15h 10m
1 stop
ORD7:25 pmChicago O'Hare Intl
$641

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago to Porto that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Mon 10/19

11:05 am-6:50 am

1 stop13h 45m

Porto

Wed 11/4

12:35 pm-8:05 pm

1 stop13h 30m

$570

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 10/18

4:55 pm-11:45 am

1 stop12h 50m

Porto

Tue 11/3

8:20 am-2:55 pm

1 stop12h 35m

$576

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 10/27

6:40 pm-11:45 am

1 stop12h 05m

Porto

Tue 11/3

8:20 am-2:55 pm

1 stop12h 35m

$576

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 12/1

5:40 pm-4:00 pm

1 stop16h 20m

Porto

Wed 12/9

8:20 am-2:55 pm

1 stop12h 35m

$576

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 10/28

6:40 pm-4:00 pm

1 stop16h 20m

Porto

Wed 11/4

8:20 am-2:55 pm

1 stop12h 35m

$576

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 10/18

4:55 pm-11:45 am

1 stop12h 50m

Porto

Tue 11/3

8:20 am-2:55 pm

1 stop12h 35m

$577
Quickest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 12/1

5:30 pm-9:30 am

1 stop10h 00m

Porto

Fri 12/11

12:35 pm-8:06 pm

1 stop13h 31m

$585

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 12/1

5:30 pm-9:30 am

1 stop10h 00m

Porto

Thu 12/10

12:35 pm-9:33 pm

1 stop14h 58m

$585

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Thu 10/22

6:00 pm-8:25 pm

1 stop20h 25m

Porto

Thu 10/29

6:00 pm-4:30 pm

1 stop27h 30m

$625

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 11/25

7:00 pm-5:00 pm

1 stop16h 00m

Porto

Tue 12/1

8:00 pm-3:30 pm

1 stop25h 30m

$631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

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 typical price of a round-trip flight between Chicago and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $805 to $1,109.
The lowest price recently found on this route was $576.

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Chicago, with most prices found around $577. If you aren’t able to travel during the month of January, then book flights to Porto from Chicago during April instead. Flights to Porto in April, while not as cheap as those in January, still average around $610.

How far in advance should I book a flight from Chicago to Porto?

You are more likely to see cheaper flights to Porto from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $823 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Chicago for as low as $674 on momondo.

Can stopping save me money on Chicago to Porto flights?

You could potentially save up to 17% on your flight if you consider stops on a Chicago to Porto flight.

When to book flights from Chicago to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Porto (CHI to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Porto

Best Price Found

$232

Fastest flight time

12h 05m

Direct flights

None
The best one-way flight to Porto from Chicago in the past 72 hours is $232. The best round-trip flight deal from Chicago to Porto found on momondo in the last 72 hours is $570.
The fastest flight from Chicago to Porto takes 12h 05m
There are no direct flights from Chicago to Porto. There are no popular flight routes from Chicago to Porto.
Search flight deals

Frequently asked questions about flying from Chicago to Porto

  • How far is Chicago to Porto by plane?

    A flight from Chicago to Porto will travel around 3927.7 mi. By plane, this route typically takes 12h 05m.

  • When did momondo last update prices for flights from Chicago to Porto Airport?

    Prices for flights from Chicago to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Porto Airport?

  • How old do you have to be to fly from Chicago to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Porto?

Best airlines flying from Chicago to Porto

Compare and see reviews for airlines that fly from Chicago to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $451Free CancellationRating
7.2
2,387 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $474Free CancellationRating
6.8
8,221 reviews
Search Lufthansa flights
United AirlinesPriceFrom $489Free CancellationRating
7.4
10,212 reviews
Search United Airlines flights
IberiaPriceFrom $519Free CancellationRating
7.0
3,246 reviews
Search Iberia flights
American AirlinesPriceFrom $524Free CancellationRating
7.1
12,054 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $618Free CancellationRating
7.4
4,470 reviews
Search Turkish Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Vila Nova de Gaia
Aveiro
Braga
Pinhao
Matosinhos
Esposende
Chaves
Viseu
Arcos de Valdevez
Espinho
Guimarães
Lamego
Ponte de Lima
Penafiel
Caminha
Baiao
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Porto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Porto. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Porto?

momondo provides multiple filters to help you find the best flight to Porto from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Porto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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