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Cheap flights from Porto to Chicago from $410

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Porto to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
5:45 pm - 4:45 pmOPO  Porto-ORD Chicago O'Hare Intl
29h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 4:55 pmORD  Chicago O'Hare Intl-OPO Porto
15h 40m1 stop Kastrup Copenhagen
$586Scandinavian Airlines
Fri, Dec 11 - Thu, Dec 24
Scandinavian Airlines Logo
5:50 pm - 5:45 pmOPO  Porto-ORD Chicago O'Hare Intl
28h 55m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 11:10 amORD  Chicago O'Hare Intl-OPO Porto
33h 55m1 stop Kastrup Copenhagen
$612Scandinavian Airlines
Thu, Oct 29 - Thu, Nov 5
Scandinavian Airlines Logo
5:50 pm - 5:45 pmOPO  Porto-ORD Chicago O'Hare Intl
28h 55m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 11:10 amORD  Chicago O'Hare Intl-OPO Porto
33h 55m1 stop Kastrup Copenhagen
$619Scandinavian Airlines
Thu, Oct 29 - Thu, Nov 5
Scandinavian Airlines Logo
5:45 pm - 4:45 pmOPO  Porto-ORD Chicago O'Hare Intl
29h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 11:05 amORD  Chicago O'Hare Intl-OPO Porto
33h 50m1 stop Kastrup Copenhagen
$664Scandinavian Airlines
Fri, Dec 25 - Mon, Jan 4
TAP AIR PORTUGAL Logo
8:30 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 00m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
7:00 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
12h 30m1 stop Lisbon Humberto Delgado
$670TAP AIR PORTUGAL
Wed, Nov 18 - Wed, Dec 9
TAP AIR PORTUGAL Logo
7:00 am - 12:40 pmOPO  Porto-ORD Chicago O'Hare Intl
11h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
15h 00m1 stop Lisbon Humberto Delgado
$675TAP AIR PORTUGAL
Thu, Oct 1 - Thu, Oct 15
TAP AIR PORTUGAL Logo
7:00 am - 12:40 pmOPO  Porto-ORD Chicago O'Hare Intl
11h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
15h 00m1 stop Lisbon Humberto Delgado
$678TAP AIR PORTUGAL
Thu, Oct 1 - Thu, Oct 15
TAP AIR PORTUGAL Logo
7:00 am - 12:40 pmOPO  Porto-ORD Chicago O'Hare Intl
11h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
15h 00m1 stop Lisbon Humberto Delgado
$679TAP AIR PORTUGAL
Thu, Oct 1 - Thu, Oct 15
TAP AIR PORTUGAL Logo
7:00 am - 12:40 pmOPO  Porto-ORD Chicago O'Hare Intl
11h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
15h 00m1 stop Lisbon Humberto Delgado
$683TAP AIR PORTUGAL
Thu, Oct 1 - Thu, Oct 15
TAP AIR PORTUGAL Logo
5:05 am - 12:40 pmOPO  Porto-ORD Chicago O'Hare Intl
13h 35m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 pm - 8:00 amORD  Chicago O'Hare Intl-OPO Porto
32h 00m1 stop Lisbon Humberto Delgado
$692TAP AIR PORTUGAL
Thu, Oct 1 - Thu, Oct 15

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Iberia flights from Porto to Chicago

Our best Iberia deals on Porto to Chicago flight tickets
Iberia
Oct 1
OPO8:20 amPorto
18h 16m
2 stops
ORD8:36 pmChicago O'Hare Intl
Oct 15
ORD4:55 pmChicago O'Hare Intl
17h 05m
1 stop
OPO4:00 pmPorto
$803
Iberia
Dec 13
OPO8:20 amPorto
18h 10m
2 stops
ORD8:30 pmChicago O'Hare Intl
Jan 4
ORD1:43 pmChicago O'Hare Intl
16h 02m
2 stops
OPO11:45 amPorto
$831
Iberia
Oct 14
OPO8:40 pmPorto
23h 45m
1 stop
ORD2:25 pmChicago O'Hare Intl
Oct 18
ORD10:34 amChicago O'Hare Intl
15h 06m
2 stops
OPO7:40 amPorto
$839

TAP AIR PORTUGAL flights from Porto to Chicago

Our best TAP AIR PORTUGAL deals on Porto to Chicago flight tickets
TAP AIR PORTUGAL
Nov 18
OPO8:30 amPorto
13h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
Dec 9
ORD7:00 pmChicago O'Hare Intl
12h 30m
1 stop
OPO1:30 pmPorto
$670
TAP AIR PORTUGAL
Oct 1
OPO7:00 amPorto
11h 40m
1 stop
ORD12:40 pmChicago O'Hare Intl
Oct 15
ORD6:00 pmChicago O'Hare Intl
15h 00m
1 stop
OPO3:00 pmPorto
$675
TAP AIR PORTUGAL
Oct 1
OPO7:00 amPorto
11h 40m
1 stop
ORD12:40 pmChicago O'Hare Intl
Oct 15
ORD6:00 pmChicago O'Hare Intl
15h 00m
1 stop
OPO3:00 pmPorto
$678

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Fri 12/11

5:45 pm-4:45 pm

1 stop29h 00m

Chicago O'Hare Intl

Thu 12/24

7:15 pm-4:55 pm

1 stop15h 40m

$586

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/29

5:50 pm-5:45 pm

1 stop28h 55m

Chicago O'Hare Intl

Thu 11/5

7:15 pm-11:10 am

1 stop33h 55m

$612

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/29

5:50 pm-5:45 pm

1 stop28h 55m

Chicago O'Hare Intl

Thu 11/5

7:15 pm-11:10 am

1 stop33h 55m

$619

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Fri 12/25

5:45 pm-4:45 pm

1 stop29h 00m

Chicago O'Hare Intl

Mon 1/4

7:15 pm-11:05 am

1 stop33h 50m

$664
Quickest round-trip

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Wed 11/18

8:30 am-3:30 pm

1 stop13h 00m

Chicago O'Hare Intl

Wed 12/9

7:00 pm-1:30 pm

1 stop12h 30m

$670

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/1

7:00 am-12:40 pm

1 stop11h 40m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-3:00 pm

1 stop15h 00m

$675

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/1

7:00 am-12:40 pm

1 stop11h 40m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-3:00 pm

1 stop15h 00m

$678

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/1

7:00 am-12:40 pm

1 stop11h 40m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-3:00 pm

1 stop15h 00m

$679

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/1

7:00 am-12:40 pm

1 stop11h 40m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-3:00 pm

1 stop15h 00m

$683

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 10/1

5:05 am-12:40 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-8:00 am

1 stop32h 00m

$692

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 Chicago from

How to get the cheapest flight ticket from Porto to Chicago

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 Porto and Chicago?

Prices are currently low for flights on this route.

Typical prices usually range from $755 to $955.
The lowest price recently found on this route was $586.

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Porto, with most prices found around $590. If you’re not able to fly to Chicago in January, then December is your next best option. Flight prices from Porto to Chicago during December average around $830.

When to book flights from Porto to Chicago

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

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

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

Best Price Found

$410

Fastest flight time

11h 40m

Direct flights

None
The best one-way flight to Chicago from Porto in the past 72 hours is $410. The best round-trip flight deal from Porto to Chicago found on momondo in the last 72 hours is $586.
The fastest flight from Porto to Chicago takes 11h 40m
There are no direct flights from Porto to Chicago. There are no popular flight routes from Porto to Chicago.
Search flight deals

Frequently asked questions about flying from Porto to Chicago

  • How far is Porto to Chicago by plane?

    Porto and Chicago are 3927.7 mi apart from one another. By plane, this route typically takes 11h 40m.

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

    Prices for flights from Porto Airport to Chicago were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Porter
Crown Point
Griffith
Saint John

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Porto.

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

All flight searches from Porto to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Porto and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Porto to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport