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Cheap flights from Porto to Chicago from $397

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
5:55 pm - 4:45 pmOPO  Porto-ORD Chicago O'Hare Intl
28h 50m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:10 pm - 12:05 pmORD  Chicago O'Hare Intl-OPO Porto
34h 55m1 stop Kastrup Copenhagen
$657Scandinavian Airlines
Thu, Nov 19 - Sat, Dec 5
Multiple Airlines Logo
7:50 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
25h 40m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
8:10 pm - 10:00 pmORD  Chicago O'Hare Intl-OPO Porto
19h 50m2 stops Lisbon Humberto Delgado Madrid Barajas
$690Multiple Airlines
Thu, Nov 19 - Fri, Dec 4
Multiple Airlines Logo
7:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
14h 30m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
6:30 pm - 5:30 pmORD  Chicago O'Hare Intl-OPO Porto
17h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
$771Multiple Airlines
Sun, Dec 13 - Sat, Jan 9
Multiple Airlines Logo
5:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
6:30 pm - 5:30 pmORD  Chicago O'Hare Intl-OPO Porto
17h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
$779Multiple Airlines
Wed, Dec 16 - Sat, Jan 9
Multiple Airlines Logo
6:05 pm - 5:20 pmOPO  Porto-ORD Chicago O'Hare Intl
29h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
6:30 pm - 5:30 pmORD  Chicago O'Hare Intl-OPO Porto
17h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
$788Multiple Airlines
Sun, Dec 13 - Sat, Jan 9
Delta Logo
5:00 am - 2:25 pmOPO  Porto-ORD Chicago O'Hare Intl
15h 25m1 stop Amsterdam Schiphol
Delta Logo
10:33 am - 10:35 amORD  Chicago O'Hare Intl-OPO Porto
18h 02m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$800Delta
Sun, Dec 13 - Sat, Jan 9
Delta Logo
5:00 am - 2:25 pmOPO  Porto-ORD Chicago O'Hare Intl
15h 25m1 stop Amsterdam Schiphol
Delta Logo
2:44 pm - 10:35 amORD  Chicago O'Hare Intl-OPO Porto
13h 51m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$800Delta
Sun, Nov 15 - Sat, Nov 28
Delta Logo
5:00 am - 2:25 pmOPO  Porto-ORD Chicago O'Hare Intl
15h 25m1 stop Amsterdam Schiphol
Delta Logo
10:33 am - 10:35 amORD  Chicago O'Hare Intl-OPO Porto
18h 02m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$802Delta
Sun, Dec 13 - Sat, Jan 9
Delta Logo
5:00 am - 2:25 pmOPO  Porto-ORD Chicago O'Hare Intl
15h 25m1 stop Amsterdam Schiphol
Delta Logo
11:14 am - 10:35 amORD  Chicago O'Hare Intl-OPO Porto
17h 21m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$802Delta
Thu, Nov 19 - Sat, Dec 5
TAP AIR PORTUGAL Logo
6:10 pm - 7:52 amOPO  Porto-ORD Chicago O'Hare Intl
19h 42m1 stop Newark
TAP AIR PORTUGAL Logo
7:00 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
14h 00m1 stop Lisbon Humberto Delgado
$1,738TAP AIR PORTUGAL
Thu, Dec 17 - Wed, Jan 6

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Delta flights from Porto to Chicago

Our best Delta deals on Porto to Chicago flight tickets
Delta
Nov 15
OPO5:00 amPorto
15h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
Nov 28
ORD2:44 pmChicago O'Hare Intl
13h 51m
2 stops
OPO10:35 amPorto
$800
Delta
Dec 13
OPO5:00 amPorto
15h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
Jan 9
ORD10:33 amChicago O'Hare Intl
18h 02m
2 stops
OPO10:35 amPorto
$802
Delta
Nov 15
OPO5:00 amPorto
15h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
Nov 28
ORD2:44 pmChicago O'Hare Intl
13h 51m
2 stops
OPO10:35 amPorto
$803

Scandinavian Airlines flights from Porto to Chicago

Our best Scandinavian Airlines deals on Porto to Chicago flight tickets
Scandinavian Airlines
Nov 19
OPO5:55 pmPorto
28h 50m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 5
ORD7:10 pmChicago O'Hare Intl
34h 55m
1 stop
OPO12:05 pmPorto
$657
Scandinavian Airlines
Nov 8
OPO5:35 pmPorto
29h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 4
ORD7:10 pmChicago O'Hare Intl
15h 45m
1 stop
OPO4:55 pmPorto
$729
Scandinavian Airlines
Nov 8
OPO5:35 pmPorto
29h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 6
ORD7:10 pmChicago O'Hare Intl
33h 55m
1 stop
OPO11:05 amPorto
$741

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

Thu 11/19

5:55 pm-4:45 pm

1 stop28h 50m

Chicago O'Hare Intl

Sat 12/5

7:10 pm-12:05 pm

1 stop34h 55m

$657

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 11/19

7:50 pm-3:30 pm

2 stops25h 40m

Chicago O'Hare Intl

Fri 12/4

8:10 pm-10:00 pm

2 stops19h 50m

$690

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 12/13

7:00 am-3:30 pm

1 stop14h 30m

Chicago O'Hare Intl

Sat 1/9

6:30 pm-5:30 pm

2 stops17h 00m

$771

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Wed 12/16

5:00 am-3:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Sat 1/9

6:30 pm-5:30 pm

2 stops17h 00m

$779

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 12/13

6:05 pm-5:20 pm

2 stops29h 15m

Chicago O'Hare Intl

Sat 1/9

6:30 pm-5:30 pm

2 stops17h 00m

$788

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 12/13

5:00 am-2:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Sat 1/9

10:33 am-10:35 am

2 stops18h 02m

$800
Quickest round-trip

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 11/15

5:00 am-2:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Sat 11/28

2:44 pm-10:35 am

2 stops13h 51m

$800

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 12/13

5:00 am-2:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Sat 1/9

10:33 am-10:35 am

2 stops18h 02m

$802

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 11/19

5:00 am-2:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Sat 12/5

11:14 am-10:35 am

2 stops17h 21m

$802

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 12/17

6:10 pm-7:52 am

1 stop19h 42m

Chicago O'Hare Intl

Wed 1/6

7:00 pm-3:00 pm

1 stop14h 00m

$1,738

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 $859 to $1,018.
The lowest price recently found on this route was $657.

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 April is your next best option. Flight prices from Porto to Chicago during April 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

$397

Fastest flight time

15h 25m

Direct flights

None
The best one-way flight to Chicago from Porto in the past 72 hours is $397. The best round-trip flight deal from Porto to Chicago found on momondo in the last 72 hours is $657.
The fastest flight from Porto to Chicago takes 15h 25m
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 15h 25m.

  • 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
Lansing
Saint Joseph
Benton Harbor
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
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