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Cheap flights from Chicago to Porto from $314

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 - 6:00 pmORD  Chicago O'Hare Intl-OPO Porto
15h 50m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:30 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 00m1 stop Lisbon Humberto Delgado
$553TAP AIR PORTUGAL
Fri, Nov 13 - Fri, Nov 20
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
8:30 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 00m1 stop Lisbon Humberto Delgado
$554TAP AIR PORTUGAL
Fri, Dec 4 - Sun, Dec 13
JetBlue Logo
8:10 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
12h 50m1 stop Lisbon Humberto Delgado
JetBlue Logo
7:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 30m1 stop Lisbon Humberto Delgado
$572JetBlue
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
7:05 am - 11:15 amORD  Chicago O'Hare Intl-OPO Porto
22h 10m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
Multiple Airlines Logo
7:20 pm - 4:15 pmOPO  Porto-ORD Chicago O'Hare Intl
26h 55m1 stop Zurich
$703Multiple Airlines
Wed, Feb 10 - Thu, Feb 25
United Airlines Logo
10:39 am - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
16h 51m1 stop Newark
United Airlines Logo
6:00 am - 8:05 pmOPO  Porto-ORD Chicago O'Hare Intl
20h 05m1 stop Frankfurt am Main
$715United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
12:59 pm - 9:30 amORD  Chicago O'Hare Intl-OPO Porto
14h 31m1 stop Newark
United Airlines Logo
6:00 am - 1:10 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 10m1 stop Frankfurt am Main
$715United Airlines
Mon, Nov 30 - Wed, Dec 9
Lufthansa Logo
10:50 pm - 11:55 pmORD  Chicago O'Hare Intl-OPO Porto
20h 05m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:45 pm - 6:25 pmOPO  Porto-ORD Chicago O'Hare Intl
34h 40m1 stop Munich Franz Josef Strauss
$735Lufthansa
Wed, Oct 28 - Mon, Nov 9
Turkish Airlines Logo
8:15 pm - 3:25 pmORD  Chicago O'Hare Intl-OPO Porto
37h 10m1 stop Istanbul
Turkish Airlines Logo
4:10 pm - 10:00 amOPO  Porto-ORD Chicago O'Hare Intl
23h 50m1 stop Istanbul
$736Turkish Airlines
Tue, Nov 24 - Tue, Dec 1
Turkish Airlines Logo
8:10 pm - 9:40 amORD  Chicago O'Hare Intl-OPO Porto
31h 30m1 stop Istanbul
Turkish Airlines Logo
10:55 am - 11:00 amOPO  Porto-ORD Chicago O'Hare Intl
30h 05m1 stop Istanbul
$739Turkish Airlines
Sun, Oct 18 - Tue, Nov 3
Lufthansa Logo
4:20 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
13h 25m1 stop Frankfurt am Main
Lufthansa Logo
1:45 pm - 6:25 pmOPO  Porto-ORD Chicago O'Hare Intl
34h 40m1 stop Munich Franz Josef Strauss
$747Lufthansa
Tue, Dec 1 - Mon, Dec 7

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United Airlines flights from Chicago to Porto

Our best United Airlines deals on Chicago to Porto flight tickets
United Airlines
Nov 30
ORD12:59 pmChicago O'Hare Intl
14h 31m
1 stop
OPO9:30 amPorto
Dec 8
OPO6:00 amPorto
13h 10m
1 stop
ORD1:10 pmChicago O'Hare Intl
$715
United Airlines
Nov 30
ORD5:59 amChicago O'Hare Intl
21h 31m
2 stops
OPO9:30 amPorto
Dec 10
OPO6:00 amPorto
15h 20m
1 stop
ORD3:20 pmChicago O'Hare Intl
$720
United Airlines
Oct 31
ORD6:30 pmChicago O'Hare Intl
34h 00m
1 stop
OPO9:30 amPorto
Nov 12
OPO6:00 amPorto
13h 10m
1 stop
ORD1:10 pmChicago O'Hare Intl
$727

TAP AIR PORTUGAL flights from Chicago to Porto

Our best TAP AIR PORTUGAL deals on Chicago to Porto flight tickets
TAP AIR PORTUGAL
Nov 13
ORD8:10 pmChicago O'Hare Intl
15h 50m
1 stop
OPO6:00 pmPorto
Nov 20
OPO8:30 amPorto
13h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
$553
TAP AIR PORTUGAL
Dec 4
ORD8:10 pmChicago O'Hare Intl
16h 50m
1 stop
OPO7:00 pmPorto
Dec 13
OPO8:30 amPorto
13h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
$554
TAP AIR PORTUGAL
Dec 2
ORD7:00 pmChicago O'Hare Intl
23h 30m
1 stop
OPO12:30 amPorto
Dec 6
OPO7:00 amPorto
14h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$555

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

Fri 11/13

8:10 pm-6:00 pm

1 stop15h 50m

Porto

Fri 11/20

8:30 am-3:30 pm

1 stop13h 00m

$553

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Fri 12/4

8:10 pm-7:00 pm

1 stop16h 50m

Porto

Sun 12/13

8:30 am-3:30 pm

1 stop13h 00m

$554
Quickest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 11/1

8:10 pm-3:00 pm

1 stop12h 50m

Porto

Sun 11/8

7:00 am-3:30 pm

1 stop14h 30m

$572

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 2/10

7:05 am-11:15 am

2 stops22h 10m

Porto

Thu 2/25

7:20 pm-4:15 pm

1 stop26h 55m

$703

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 11/11

10:39 am-9:30 am

1 stop16h 51m

Porto

Wed 11/18

6:00 am-8:05 pm

1 stop20h 05m

$715

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Mon 11/30

12:59 pm-9:30 am

1 stop14h 31m

Porto

Wed 12/9

6:00 am-1:10 pm

1 stop13h 10m

$715

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 10/28

10:50 pm-11:55 pm

1 stop20h 05m

Porto

Mon 11/9

1:45 pm-6:25 pm

1 stop34h 40m

$735

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 11/24

8:15 pm-3:25 pm

1 stop37h 10m

Porto

Tue 12/1

4:10 pm-10:00 am

1 stop23h 50m

$736

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 10/18

8:10 pm-9:40 am

1 stop31h 30m

Porto

Tue 11/3

10:55 am-11:00 am

1 stop30h 05m

$739

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Tue 12/1

4:20 pm-11:45 am

1 stop13h 25m

Porto

Mon 12/7

1:45 pm-6:25 pm

1 stop34h 40m

$747

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 $553.

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

$314

Fastest flight time

11h 20m

Direct flights

None
The best one-way flight to Porto from Chicago in the past 72 hours is $314. The best round-trip flight deal from Chicago to Porto found on momondo in the last 72 hours is $553.
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
2,385 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $474Free CancellationRating
6.8
8,255 reviews
Search Lufthansa flights
IberiaPriceFrom $519Free CancellationRating
7.0
3,255 reviews
Search Iberia flights
American AirlinesPriceFrom $524Free CancellationRating
7.0
12,116 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $618Free CancellationRating
7.4
4,455 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $623Free CancellationRating
7.4
10,276 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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