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Cheap flights from Porto to Chicago from $365

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 5/17. 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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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Porto to Chicago.
Scandinavian Airlines Logo
5:55 pm - 4:10 pmOPO-ORD
28h 15m1 stop
Scandinavian Airlines Logo
7:15 pm - 5:05 pmORD-OPO
15h 50m1 stop
$574Scandinavian Airlines
Find Deal
Fri, May 16 - Thu, May 29
Scandinavian Airlines Logo
5:55 pm - 4:10 pmOPO-ORD
28h 15m1 stop
Scandinavian Airlines Logo
7:15 pm - 5:05 pmORD-OPO
15h 50m1 stop
$575Scandinavian Airlines
Find Deal
Fri, May 16 - Thu, May 29
 Logo
9:10 pm - 11:09 amOPO-ORD
43h 59m2 stops
 Logo
10:25 pm - 8:20 pmORD-OPO
15h 55m1 stop
Fri, May 16 - Thu, May 29
 Logo
8:15 am - 2:15 pmOPO-ORD
12h 00m1 stop
 Logo
5:45 pm - 7:30 pmORD-OPO
19h 45m1 stop
Wed, Apr 16 - Tue, Apr 22
Delta Logo
5:00 am - 2:10 pmOPO-ORD
15h 10m1 stop
Delta Logo
5:10 pm - 3:30 pmORD-OPO
16h 20m1 stop
$660Delta
Find Deal
Sun, Apr 20 - Tue, May 6
Delta Logo
6:20 am - 2:40 pmOPO-ORD
14h 20m1 stop
Delta Logo
5:05 pm - 3:30 pmORD-OPO
16h 25m2 stops
$661Delta
Find Deal
Wed, Apr 16 - Tue, Apr 22
KLM Logo
6:50 pm - 2:40 pmOPO-ORD
25h 50m1 stop
KLM Logo
4:50 pm - 10:40 amORD-OPO
11h 50m1 stop
$664KLM
Find Deal
Tue, Apr 15 - Wed, Apr 23
KLM Logo
11:25 am - 2:10 pmOPO-ORD
32h 45m1 stop
KLM Logo
7:00 pm - 3:35 pmORD-OPO
14h 35m2 stops
$665KLM
Find Deal
Thu, Jun 12 - Tue, Jun 24
British Airways Logo
8:15 am - 2:15 pmOPO-ORD
12h 00m1 stop
British Airways Logo
10:20 pm - 7:50 pmORD-OPO
15h 30m1 stop
$689British Airways
Find Deal
Wed, Apr 16 - Mon, Apr 21
British Airways Logo
8:15 am - 2:15 pmOPO-ORD
12h 00m1 stop
British Airways Logo
8:20 pm - 7:50 pmORD-OPO
17h 30m1 stop
$690British Airways
Find Deal
Wed, Apr 16 - Mon, Apr 21

Scandinavian Airlines flights from Porto to Chicago

Our best Scandinavian Airlines deals on Porto to Chicago flight tickets
Scandinavian Airlines
May 16
OPO5:55 pmPorto
28h 15m
1 stop
ORD4:10 pmChicago O'Hare Intl
May 29
ORD7:15 pmChicago O'Hare Intl
15h 50m
1 stop
OPO5:05 pmPorto
Scandinavian Airlines
May 16
OPO5:55 pmPorto
28h 15m
1 stop
ORD4:10 pmChicago O'Hare Intl
May 29
ORD7:15 pmChicago O'Hare Intl
15h 50m
1 stop
OPO5:05 pmPorto

Delta flights from Porto to Chicago

Our best Delta deals on Porto to Chicago flight tickets
Delta
Apr 20
OPO5:00 amPorto
15h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
May 6
ORD5:10 pmChicago O'Hare Intl
16h 20m
1 stop
OPO3:30 pmPorto
Delta
Apr 16
OPO6:20 amPorto
14h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 22
ORD5:05 pmChicago O'Hare Intl
16h 25m
2 stops
OPO3:30 pmPorto
Delta
Apr 15
OPO6:20 amPorto
14h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 21
ORD5:05 pmChicago O'Hare Intl
16h 30m
2 stops
OPO3:35 pmPorto

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

$365

Fastest flight time

11h 59m

Direct flights

None

Airports in Chicago

1 airport
The best one-way flight to Chicago from Porto in the past 72 hours is $365. The best round-trip flight deal from Porto to Chicago found on momondo in the last 72 hours is $574.
The fastest flight from Porto to Chicago takes 11h 59m
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 11h 59m.

  • 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 many operators does momondo search for flights from Porto Airport to Chicago?

  • 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.


Best airlines flying from Porto to Chicago

Compare and see reviews for airlines that fly from Porto to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $746Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights

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