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Cheap flights from Chicago to Porto from $218

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
7:00 pm - 11:45 pmORD  Chicago O'Hare Intl-OPO Porto
22h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
$556TAP AIR PORTUGAL
Wed, Mar 3 - Wed, Mar 10
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
6:00 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
27h 30m1 stop Lisbon Humberto Delgado
$557TAP AIR PORTUGAL
Sun, Dec 6 - Sat, Dec 12
Multiple Airlines Logo
8:10 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
11h 20m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
1:25 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
56h 05m2 stops Malaga Lisbon Humberto Delgado
$608Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
8:10 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
11h 20m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
1:25 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
56h 05m2 stops Malaga Lisbon Humberto Delgado
$609Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Turkish Airlines Logo
11:20 am - 3:35 pmORD  Chicago O'Hare Intl-OPO Porto
22h 15m1 stop Istanbul
Turkish Airlines Logo
10:45 am - 9:35 amOPO  Porto-ORD Chicago O'Hare Intl
28h 50m1 stop Istanbul
$726Turkish Airlines
Tue, Apr 27 - Tue, May 11
Turkish Airlines Logo
11:45 am - 3:25 pmORD  Chicago O'Hare Intl-OPO Porto
21h 40m1 stop Istanbul
Turkish Airlines Logo
4:10 pm - 6:20 pmOPO  Porto-ORD Chicago O'Hare Intl
32h 10m1 stop Istanbul
$726Turkish Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
7:10 am - 9:45 amORD  Chicago O'Hare Intl-OPO Porto
20h 35m1 stop Newark
United Airlines Logo
6:00 am - 2:50 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 50m1 stop Frankfurt am Main
$728United Airlines
Sun, Apr 18 - Thu, Apr 22
United Airlines Logo
1:10 pm - 9:45 amORD  Chicago O'Hare Intl-OPO Porto
14h 35m1 stop Newark
United Airlines Logo
6:00 am - 2:50 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 50m1 stop Frankfurt am Main
$728United Airlines
Sun, Apr 18 - Thu, Apr 29
Iberia Logo
11:30 am - 7:40 amORD  Chicago O'Hare Intl-OPO Porto
14h 10m2 stops New York John F Kennedy Intl Madrid Barajas
Iberia Logo
8:20 am - 9:00 pmOPO  Porto-ORD Chicago O'Hare Intl
18h 40m2 stops Madrid Barajas Boston Logan Intl
$735Iberia
Wed, Apr 14 - Wed, Apr 21
Iberia Logo
10:00 pm - 8:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 00m2 stops London Heathrow Madrid Barajas
Iberia Logo
8:20 am - 9:00 pmOPO  Porto-ORD Chicago O'Hare Intl
18h 40m2 stops Madrid Barajas Boston Logan Intl
$735Iberia
Sun, Apr 11 - Wed, Apr 21

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TAP AIR PORTUGAL flights from Chicago to Porto

Our best TAP AIR PORTUGAL deals on Chicago to Porto flight tickets
TAP AIR PORTUGAL
Mar 3
ORD7:00 pmChicago O'Hare Intl
22h 45m
1 stop
OPO11:45 pmPorto
Mar 10
OPO5:00 amPorto
16h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$556
TAP AIR PORTUGAL
Dec 2
ORD7:00 pmChicago O'Hare Intl
17h 00m
1 stop
OPO6:00 pmPorto
Dec 8
OPO6:00 pmPorto
27h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$557
TAP AIR PORTUGAL
Nov 25
ORD7:00 pmChicago O'Hare Intl
23h 30m
1 stop
OPO12:30 amPorto
Dec 6
OPO5:00 amPorto
16h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$562

SWISS flights from Chicago to Porto

Our best SWISS deals on Chicago to Porto flight tickets
SWISS
Feb 14
ORD6:50 pmChicago O'Hare Intl
34h 25m
1 stop
OPO11:15 amPorto
Feb 22
OPO7:20 pmPorto
26h 55m
1 stop
ORD4:15 pmChicago O'Hare Intl
$707
SWISS
Apr 14
ORD7:05 pmChicago O'Hare Intl
17h 25m
1 stop
OPO6:30 pmPorto
Apr 21
OPO8:40 amPorto
13h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$710
SWISS
Feb 14
ORD6:50 pmChicago O'Hare Intl
34h 25m
1 stop
OPO11:15 amPorto
Feb 22
OPO7:20 pmPorto
26h 55m
1 stop
ORD4:15 pmChicago O'Hare Intl
$716

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 3/3

7:00 pm-11:45 pm

1 stop22h 45m

Porto

Wed 3/10

5:00 am-3:30 pm

1 stop16h 30m

$556

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 12/6

8:10 pm-7:00 pm

1 stop16h 50m

Porto

Sat 12/12

6:00 pm-3:30 pm

1 stop27h 30m

$557

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Fri 11/27

8:10 pm-1:30 pm

1 stop11h 20m

Porto

Fri 12/4

1:25 pm-3:30 pm

2 stops56h 05m

$608

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Fri 11/27

8:10 pm-1:30 pm

1 stop11h 20m

Porto

Fri 12/4

1:25 pm-3:30 pm

2 stops56h 05m

$609

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 4/27

11:20 am-3:35 pm

1 stop22h 15m

Porto

Tue 5/11

10:45 am-9:35 am

1 stop28h 50m

$726

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 11/10

11:45 am-3:25 pm

1 stop21h 40m

Porto

Tue 11/17

4:10 pm-6:20 pm

1 stop32h 10m

$726

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 4/18

7:10 am-9:45 am

1 stop20h 35m

Porto

Thu 4/22

6:00 am-2:50 pm

1 stop14h 50m

$728
Quickest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 4/18

1:10 pm-9:45 am

1 stop14h 35m

Porto

Thu 4/29

6:00 am-2:50 pm

1 stop14h 50m

$728

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 4/14

11:30 am-7:40 am

2 stops14h 10m

Porto

Wed 4/21

8:20 am-9:00 pm

2 stops18h 40m

$735

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 4/11

10:00 pm-8:00 pm

2 stops16h 00m

Porto

Wed 4/21

8:20 am-9:00 pm

2 stops18h 40m

$735

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 $728 to $817.
The lowest price recently found on this route was $556.

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 $634. 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 $679.

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 week ahead of your departure date. In general, you can expect to find flights to Porto for around $866 when searching week 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 $687 on momondo.

Can stopping save me money on Chicago to Porto flights?

You could potentially save up to 11% 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

$218

Fastest flight time

11h 20m

Direct flights

None
The best one-way flight to Porto from Chicago in the past 72 hours is $218. The best round-trip flight deal from Chicago to Porto found on momondo in the last 72 hours is $556.
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 $480Free CancellationRating
7.2
2,387 reviews
Search TAP AIR PORTUGAL flights
IberiaPriceFrom $519Free CancellationRating
7.0
3,245 reviews
Search Iberia flights
American AirlinesPriceFrom $524Free CancellationRating
7.0
12,201 reviews
Search American Airlines flights
LufthansaPriceFrom $545Free CancellationRating
6.8
8,298 reviews
Search Lufthansa flights
United AirlinesPriceFrom $623Free CancellationRating
7.3
10,444 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $630Free CancellationRating
7.4
4,461 reviews
Search Turkish Airlines flights

Traveling to a place near Porto?

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