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Cheap flights from Porto to Chicago from $353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Chicago departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Porto to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Porto to Chicago.
 Logo
8:15 am - 2:15 pmOPO-ORD
12h 00m1 stop
 Logo
5:00 pm - 8:20 pmORD-OPO
21h 20m1 stop
Thu, May 22 - Thu, Jun 5
 Logo
8:15 am - 2:15 pmOPO-ORD
12h 00m1 stop
 Logo
5:00 pm - 8:20 pmORD-OPO
21h 20m1 stop
Thu, May 22 - Thu, Jun 5
Delta Logo
6:30 am - 2:10 pmOPO-ORD
13h 40m1 stop
Delta Logo
10:31 am - 8:25 amORD-OPO
15h 54m2 stops
$686Delta
Find Deal
Thu, May 22 - Thu, Jun 5
Delta Logo
6:30 am - 2:10 pmOPO-ORD
13h 40m1 stop
Delta Logo
10:31 am - 8:25 amORD-OPO
15h 54m2 stops
$690Delta
Find Deal
Thu, May 22 - Thu, Jun 5
Delta Logo
6:30 am - 8:21 pmOPO-ORD
19h 51m2 stops
Delta Logo
10:31 am - 8:25 amORD-OPO
15h 54m2 stops
$692Delta
Find Deal
Thu, May 22 - Thu, Jun 5
KLM Logo
6:30 am - 5:46 pmOPO-ORD
17h 16m2 stops
KLM Logo
7:00 pm - 3:35 pmORD-OPO
14h 35m2 stops
$698KLM
Find Deal
Thu, Jun 12 - Tue, Jun 24
KLM Logo
6:40 am - 6:03 pmOPO-ORD
17h 23m2 stops
KLM Logo
7:00 pm - 3:35 pmORD-OPO
14h 35m2 stops
$701KLM
Find Deal
Fri, Jun 13 - Mon, Jun 23
United Airlines Logo
6:00 am - 12:55 pmOPO-ORD
12h 55m1 stop
United Airlines Logo
1:26 pm - 6:55 amORD-OPO
11h 29m1 stop
$732United Airlines
Find Deal
Fri, Jun 13 - Mon, Jun 23
Air Canada Logo
6:00 am - 9:52 amOPO-ORD
33h 52m2 stops
Air Canada Logo
7:19 am - 9:35 amORD-OPO
20h 16m1 stop
$753Air Canada
Find Deal
Sat, May 31 - Sat, Jun 7
Air Canada Logo
6:00 am - 7:59 amOPO-ORD
31h 59m2 stops
Air Canada Logo
10:00 am - 9:35 amORD-OPO
17h 35m2 stops
$755Air Canada
Find Deal
Sat, May 31 - Sat, Jun 7

KLM flights from Porto to Chicago

Our best KLM deals on Porto to Chicago flight tickets
KLM
Jun 12
OPO6:30 amPorto
17h 16m
2 stops
ORD5:46 pmChicago O'Hare Intl
Jun 24
ORD7:00 pmChicago O'Hare Intl
14h 35m
2 stops
OPO3:35 pmPorto
KLM
Jun 13
OPO6:40 amPorto
17h 23m
2 stops
ORD6:03 pmChicago O'Hare Intl
Jun 23
ORD7:00 pmChicago O'Hare Intl
14h 35m
2 stops
OPO3:35 pmPorto
KLM
Jun 12
OPO4:20 pmPorto
27h 50m
1 stop
ORD2:10 pmChicago O'Hare Intl
Jun 24
ORD4:20 pmChicago O'Hare Intl
20h 55m
1 stop
OPO7:15 pmPorto

Delta flights from Porto to Chicago

Our best Delta deals on Porto to Chicago flight tickets
Delta
May 22
OPO6:30 amPorto
13h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
Jun 5
ORD10:31 amChicago O'Hare Intl
15h 54m
2 stops
OPO8:25 amPorto
Delta
May 22
OPO6:30 amPorto
13h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
Jun 5
ORD10:31 amChicago O'Hare Intl
15h 54m
2 stops
OPO8:25 amPorto
Delta
May 22
OPO6:30 amPorto
19h 51m
2 stops
ORD8:21 pmChicago O'Hare Intl
Jun 5
ORD10:31 amChicago O'Hare Intl
15h 54m
2 stops
OPO8:25 amPorto

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 cheapest month to fly to Chicago?

The month of March is, on average, the cheapest month to fly to Chicago from Porto, with most prices found around $635. If you’re not able to fly to Chicago in March, then February is your next best option. Flight prices from Porto to Chicago during February average around $644.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $581. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Chicago for around $956.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Porto to Chicago during this time can be as low as $817. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $817.

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

$353

Fastest flight time

12h 00m

Direct flights

None

Airports in Chicago

1 airport
The best one-way flight to Chicago from Porto in the past 72 hours is $353. The best round-trip flight deal from Porto to Chicago found on momondo in the last 72 hours is $683.
The fastest flight from Porto to Chicago takes 12h 00m
There are no direct flights from Porto to Chicago. Popular non-direct route for this connection is Porto Airport - Chicago O'Hare Intl Airport.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

  • 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 12h 00m.

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

Airports listed have a maximum distance of 78.5 mi from Chicago