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Cheap flights from Porto to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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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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
9:15 pm - 7:30 pmORD-OPO
16h 15m1 stop
Wed, Apr 16 - Tue, Apr 22
Delta Logo
6:20 am - 2:40 pmOPO-ORD
14h 20m1 stop
Delta Logo
6:15 pm - 3:30 pmORD-OPO
15h 15m2 stops
$659Delta
Find Deal
Wed, Apr 16 - Tue, Apr 22
KLM Logo
8:20 pm - 2:10 pmOPO-ORD
23h 50m1 stop
KLM Logo
5:10 pm - 3:30 pmORD-OPO
16h 20m1 stop
$661KLM
Find Deal
Thu, May 1 - Tue, May 6
KLM Logo
11:25 am - 2:40 pmOPO-ORD
33h 15m1 stop
KLM Logo
4:50 pm - 10:15 pmORD-OPO
23h 25m1 stop
$665KLM
Find Deal
Tue, Apr 15 - Tue, Apr 22
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
12:20 pm - 2:15 pmOPO-ORD
31h 55m1 stop
British Airways Logo
10:20 pm - 7:50 pmORD-OPO
15h 30m1 stop
$699British Airways
Find Deal
Tue, Apr 15 - Mon, Apr 21
United Airlines Logo
6:00 am - 8:17 pmOPO-ORD
20h 17m2 stops
United Airlines Logo
1:28 pm - 11:15 amORD-OPO
15h 47m2 stops
$747United Airlines
Find Deal
Thu, Apr 17 - Tue, Apr 22
United Airlines Logo
6:00 am - 4:37 pmOPO-ORD
16h 37m2 stops
United Airlines Logo
1:28 pm - 11:15 amORD-OPO
15h 47m2 stops
$748United Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 22
Lufthansa Logo
6:00 am - 10:55 amOPO-ORD
34h 55m1 stop
Lufthansa Logo
9:40 pm - 11:20 pmORD-OPO
19h 40m1 stop
$759Lufthansa
Find Deal
Fri, Apr 18 - Tue, Apr 22
Lufthansa Logo
6:00 am - 10:55 amOPO-ORD
34h 55m1 stop
Lufthansa Logo
10:30 pm - 10:50 pmORD-OPO
18h 20m1 stop
$760Lufthansa
Find Deal
Fri, Apr 18 - Mon, Apr 21

Delta flights from Porto to Chicago O'Hare Intl Airport

Our best Delta deals on Porto to Chicago O'Hare Intl Airport flight tickets
Delta
Apr 16
OPO6:20 amPorto
14h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 22
ORD6:15 pmChicago O'Hare Intl
15h 15m
2 stops
OPO3:30 pmPorto
Delta
Apr 16
OPO6:20 amPorto
14h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 22
ORD6:15 pmChicago O'Hare Intl
15h 15m
2 stops
OPO3:30 pmPorto
Delta
Apr 15
OPO6:20 amPorto
14h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 21
ORD9:30 amChicago O'Hare Intl
19h 10m
2 stops
OPO10:40 amPorto

KLM flights from Porto to Chicago O'Hare Intl Airport

Our best KLM deals on Porto to Chicago O'Hare Intl Airport flight tickets
KLM
May 1
OPO8:20 pmPorto
23h 50m
1 stop
ORD2:10 pmChicago O'Hare Intl
May 6
ORD5:10 pmChicago O'Hare Intl
16h 20m
1 stop
OPO3:30 pmPorto
KLM
Apr 15
OPO11:25 amPorto
33h 15m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 22
ORD4:50 pmChicago O'Hare Intl
23h 25m
1 stop
OPO10:15 pmPorto
KLM
Apr 15
OPO6:50 pmPorto
25h 50m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 22
ORD4:50 pmChicago O'Hare Intl
23h 25m
1 stop
OPO10:15 pmPorto

See travel insights to Chicago from

How to get the cheapest flight ticket from Porto to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Porto averaging around $738.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $758. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Porto because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $879.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Porto in the morning is the least expensive time of day to depart. momondo users have found prices as low as $846 when looking at flights departing in the morning. Try not to purchase tickets in the morning because they tend to be around $846. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Porto to Chicago O'Hare Intl Airport

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

Cheap Porto to Chicago O'Hare Intl Airport (OPO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Chicago O'Hare Intl Airport

Best Price Found

$365

Fastest flight time

11h 35m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Porto in the past 72 hours is $365. The best round-trip flight deal from Porto to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $657.
The fastest flight from Porto to Chicago O'Hare Intl Airport takes 11h 35m
There are no direct flights from Porto to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Porto Airport - Chicago O'Hare Intl Airport.

  • How far is Porto to Chicago O'Hare Intl by plane?

    Porto and Chicago O'Hare Intl are 3936.9 mi apart from one another. 12h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Porto Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Porto Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Porto Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Porto Airport to Chicago O'Hare Intl Airport?

    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 O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Porto to Chicago O'Hare Intl Airport?


Best airlines flying from Porto to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Porto to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $746Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Joliet
South Haven
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New Buffalo
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Hammond
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Elk Grove Village
Orland Park

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?

Yes. momondo enables you to select and highlight flights to Chicago from Porto with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to Chicago.

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

If you are not ready to book a flight from Porto to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.


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