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Cheap flights from Chicago to Porto from $300

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.
TAP AIR PORTUGAL Logo
8:10 pm - 7:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 50m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
7:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 30m1 stop Lisbon Humberto Delgado
$551TAP AIR PORTUGAL
Fri, Jan 15 - Wed, Jan 20
TAP AIR PORTUGAL Logo
7:00 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
12h 30m1 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
$553TAP AIR PORTUGAL
Wed, Nov 4 - Tue, Nov 10
American Airlines Logo
5:40 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
12h 05m1 stop Madrid Barajas
American Airlines Logo
12:25 pm - 10:37 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 12m2 stops Madrid Barajas New York John F Kennedy Intl
$585American Airlines
Tue, Nov 17 - Thu, Nov 26
British Airways Logo
8:40 pm - 4:50 pmORD  Chicago O'Hare Intl-OPO Porto
14h 10m1 stop London Heathrow
British Airways Logo
8:20 am - 11:30 pmOPO  Porto-ORD Chicago O'Hare Intl
21h 10m2 stops Madrid Barajas Washington, D.C. Dulles Intl
$585British Airways
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
1:30 pm - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
14h 00m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
12:35 pm - 10:00 amOPO  Porto-ORD Chicago O'Hare Intl
27h 25m2 stops Newark Washington, D.C. Reagan-National
$589United Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
2:30 pm - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
13h 00m1 stop Newark
United Airlines Logo
12:35 pm - 1:09 pmOPO  Porto-ORD Chicago O'Hare Intl
30h 34m1 stop Newark
$590United Airlines
Tue, Nov 17 - Thu, Nov 26
American Airlines Logo
3:16 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
14h 29m2 stops Boston Logan Intl Madrid Barajas
American Airlines Logo
12:25 pm - 10:37 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 12m2 stops Madrid Barajas New York John F Kennedy Intl
$590American Airlines
Tue, Nov 17 - Thu, Nov 26
SWISS Logo
6:50 pm - 11:15 amORD  Chicago O'Hare Intl-OPO Porto
34h 25m1 stop Zurich
SWISS Logo
12:05 pm - 4:15 pmOPO  Porto-ORD Chicago O'Hare Intl
34h 10m1 stop Zurich
$601SWISS
Tue, Feb 9 - Mon, Feb 15
Iberia Logo
5:40 pm - 8:00 pmORD  Chicago O'Hare Intl-OPO Porto
20h 20m1 stop Madrid Barajas
Iberia Logo
9:55 pm - 1:45 pmOPO  Porto-ORD Chicago O'Hare Intl
21h 50m2 stops Barcelona-El Prat London Heathrow
$604Iberia
Sun, Feb 14 - Mon, Feb 22
Iberia Logo
10:34 am - 7:40 amORD  Chicago O'Hare Intl-OPO Porto
15h 06m2 stops New York John F Kennedy Intl Madrid Barajas
Iberia Logo
9:55 pm - 1:45 pmOPO  Porto-ORD Chicago O'Hare Intl
21h 50m2 stops Barcelona-El Prat London Heathrow
$608Iberia
Sun, Feb 14 - Mon, Feb 22

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American Airlines flights from Chicago to Porto

Our best American Airlines deals on Chicago to Porto flight tickets
American Airlines
Nov 17
ORD5:40 pmChicago O'Hare Intl
12h 05m
1 stop
OPO11:45 amPorto
Nov 26
OPO12:25 pmPorto
16h 12m
2 stops
ORD10:37 pmChicago O'Hare Intl
$585
American Airlines
Nov 5
ORD10:31 amChicago O'Hare Intl
15h 09m
2 stops
OPO7:40 amPorto
Nov 11
OPO8:20 amPorto
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
$630
American Airlines
Jan 10
ORD3:17 pmChicago O'Hare Intl
14h 28m
2 stops
OPO11:45 amPorto
Jan 23
OPO8:20 amPorto
20h 10m
2 stops
ORD10:30 pmChicago O'Hare Intl
$645

Iberia flights from Chicago to Porto

Our best Iberia deals on Chicago to Porto flight tickets
Iberia
Feb 14
ORD5:40 pmChicago O'Hare Intl
20h 20m
1 stop
OPO8:00 pmPorto
Feb 22
OPO9:55 pmPorto
21h 50m
2 stops
ORD1:45 pmChicago O'Hare Intl
$604
Iberia
Feb 14
ORD10:34 amChicago O'Hare Intl
15h 06m
2 stops
OPO7:40 amPorto
Feb 22
OPO9:55 pmPorto
21h 50m
2 stops
ORD1:45 pmChicago O'Hare Intl
$608
Iberia
Nov 13
ORD5:40 pmChicago O'Hare Intl
12h 05m
1 stop
OPO11:45 amPorto
Nov 16
OPO8:40 pmPorto
24h 15m
1 stop
ORD2:55 pmChicago O'Hare Intl
$636

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Fri 1/15

8:10 pm-7:00 pm

1 stop16h 50m

Porto

Wed 1/20

7:00 am-3:30 pm

1 stop14h 30m

$551

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 11/4

7:00 pm-1:30 pm

1 stop12h 30m

Porto

Tue 11/10

8:00 pm-3:30 pm

1 stop25h 30m

$553
Quickest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 11/17

5:40 pm-11:45 am

1 stop12h 05m

Porto

Thu 11/26

12:25 pm-10:37 pm

2 stops16h 12m

$585

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 12/9

8:40 pm-4:50 pm

1 stop14h 10m

Porto

Wed 12/16

8:20 am-11:30 pm

2 stops21h 10m

$585

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 12/9

1:30 pm-9:30 am

2 stops14h 00m

Porto

Wed 12/16

12:35 pm-10:00 am

2 stops27h 25m

$589

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 11/17

2:30 pm-9:30 am

1 stop13h 00m

Porto

Thu 11/26

12:35 pm-1:09 pm

1 stop30h 34m

$590

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 11/17

3:16 pm-11:45 am

2 stops14h 29m

Porto

Thu 11/26

12:25 pm-10:37 pm

2 stops16h 12m

$590

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 2/9

6:50 pm-11:15 am

1 stop34h 25m

Porto

Mon 2/15

12:05 pm-4:15 pm

1 stop34h 10m

$601

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 2/14

5:40 pm-8:00 pm

1 stop20h 20m

Porto

Mon 2/22

9:55 pm-1:45 pm

2 stops21h 50m

$604

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 2/14

10:34 am-7:40 am

2 stops15h 06m

Porto

Mon 2/22

9:55 pm-1:45 pm

2 stops21h 50m

$608

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 $754 to $1,002.
The lowest price recently found on this route was $551.

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 $838 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

$300

Fastest flight time

11h 20m

Direct flights

None
The best one-way flight to Porto from Chicago in the past 72 hours is $300. The best round-trip flight deal from Chicago to Porto found on momondo in the last 72 hours is $551.
The fastest flight from Chicago to Porto takes 11h 20m
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 11h 20m.

  • 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
2,384 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $474Free CancellationRating
6.8
8,240 reviews
Search Lufthansa flights
IberiaPriceFrom $519Free CancellationRating
7.0
3,248 reviews
Search Iberia flights
American AirlinesPriceFrom $524Free CancellationRating
7.0
12,098 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $618Free CancellationRating
7.4
4,457 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $623Free CancellationRating
7.4
10,246 reviews
Search United 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
Braga
Aveiro
Pinhao
Matosinhos
Esposende
Chaves
Viseu
Arcos de Valdevez
Espinho
Guimarães
Lamego
Ponte de Lima
Penafiel
Caminha
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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