O'Hare Intl

$247+ Cheap flights from Portugal to O'Hare Intl (ORD)

LIS — ORD
Nov 30 — Dec 71
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Cheap flight deals from Portugal to O'Hare Intl

Cheapest flights from Portugal to O'Hare Intl

Sat 11/215:15 pm -
1 stop29h 30m
Fri 11/277:10 pm -
1 stop15h 15m
Deal found 10/26$546
Sun 12/66:45 pm -
1 stop28h 00m
Thu 12/107:10 pm -
1 stop14h 45m
Deal found 10/26$581
Thu 11/1210:40 am -
1 stop14h 05m
Sun 11/159:50 pm -
1 stop13h 55m
Deal found 10/27$585
Thu 12/105:55 pm -
1 stop28h 50m
Sat 1/97:10 pm -
1 stop14h 55m
Deal found 10/27$591
Wed 12/94:55 pm -
1 stop29h 50m
Sat 1/97:10 pm -
1 stop14h 55m
Deal found 10/27$608
Fri 12/114:45 pm -
1 stop30h 00m
Sat 1/97:10 pm -
1 stop14h 55m
Deal found 10/27$630
Wed 12/97:00 pm -
1 stop27h 45m
Sun 1/107:10 pm -
1 stop15h 10m
Deal found 10/27$641
Sun 11/86:45 pm -
1 stop28h 00m
Mon 11/167:10 pm -
1 stop15h 00m
Deal found 10/28$645
Fri 11/2711:05 am -
1 stop12h 24m
Wed 12/23:19 pm -
1 stop11h 11m
Deal found 10/27$669
Sun 12/206:45 pm -
1 stop28h 00m
Thu 12/317:10 pm -
1 stop14h 45m
Deal found 10/31$671
Wed 12/94:55 pm -
2 stops36h 02m
Sun 1/107:10 pm -
1 stop15h 10m
Deal found 10/27$683
Wed 11/116:40 am -
3 stops40h 40m
Sun 11/158:10 pm -
Nonstop8h 05m
Deal found 10/26$686

Find flight deals from Portugal to O'Hare Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$546
(Gotogate)

One-way from

$247
(Kissandfly.com)

Popular in

June

Cheapest in

February

Average price

$917

Good round-trip deal

$900 or less

Good one-way deal

$639 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
From Portugal to Chicago O'Hare Intl
One-way flight from Portugal to Chicago O'Hare Intl
Highest demand for flights based on searches. 6% potential increase in price ($64 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Portugal to Chicago O'Hare Intl.
Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portugal to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Mon 11/30

5:40 pm-3:30 pm

3 stops51h 50m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$401

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Thu 2/18

6:05 am-3:30 pm

2 stops39h 25m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$418

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Sun 11/29

10:00 pm-5:20 pm

3 stops49h 20m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$437

FaroChicago

FAO Faro - ORD Chicago O'Hare Intl

FAOORD

Faro

Thu 11/12

6:10 am-5:20 pm

3 stops41h 10m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$478

PortoChicago

OPO Porto - ORD Chicago O'Hare Intl

OPOORD

Porto

Mon 4/5

8:15 pm-2:25 pm

1 stop24h 10m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$493

Ponta DelgadaChicago

PDL Ponta Delgada Nordela - ORD Chicago O'Hare Intl

PDLORD

Ponta Delgada Nordela

Mon 3/29

7:40 pm-4:14 pm

3 stops49h 34m

Chicago O'Hare Intl

Wed 12/31

12:00 am-5:00 am

Nonstop0h 00m

$530

Ponta DelgadaChicago

PDL Ponta Delgada Nordela - ORD Chicago O'Hare Intl

PDLORD

Ponta Delgada Nordela

Wed 3/10

7:25 pm-5:20 pm

3 stops26h 55m

Chicago O'Hare Intl

Wed 12/31

12:00 am-5:00 am

Nonstop0h 00m

$536

FaroChicago

FAO Faro - ORD Chicago O'Hare Intl

FAOORD

Faro

Mon 3/29

7:35 pm-2:25 pm

2 stops48h 50m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$541

FaroChicago

FAO Faro - ORD Chicago O'Hare Intl

FAOORD

Faro

Tue 11/10

12:00 pm-5:20 pm

2 stops35h 20m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$549

FaroChicago

FAO Faro - ORD Chicago O'Hare Intl

FAOORD

Faro

Sat 11/21

5:15 pm-4:45 pm

1 stop29h 30m

Chicago O'Hare Intl

Fri 11/27

7:10 pm-6:05 pm

2 stops16h 55m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 53 resultsSorted by cheapest first
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Best time to book a flight from Portugal to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Portugal with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Portugal to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Portugal to Chicago O'Hare Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $679). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PT to ORD?

When flying from Portugal to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Portugal to Chicago delayed?

About 22% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 140 minutes.

What is the most punctual flight time for Portugal to Chicago flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portugal to Chicago flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 22% of flights being delayed.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with TAP AIR PORTUGAL from Portugal to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.2

Boarding

7.0

Food

6.3

Comfort

7.2

Entertainment

6.4

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Scott,Oct 2026

LIS - MIA

I don't understand why an aircraft that arrived in Lisbon at 5;19am for a 10:35 flight was immediately delayed until 11am , then 11:17 am. Also, after being on the plane and taxiing for an hour, they discovered a computer error and we had to change planes. All in all we had a 5 1/2 hour delay. The boarding process for the second plane was chaos. They herded everyone out of the boarding area behind ropes, and then didn't announce anything over the loud speaker, but had a single agent yelling Premium only. Needless to say, there was pushing, yelling and confusion. On board, I have never experienced such a lazy, lethargic crew. We were in business class. We were not offered a drink or the usual bowl of nuts. We were given lunch about an hour into the trip. the food was mediocre at best. My friend, who had preordered the pasta dish over a week ago, was told that they were out of it and she could only have octopus, which she does not eat. Meanwhile, she saw 3 other passengers get pasta that they had not preordered. Shouldn't the pre orders be given priority? For the next 6 hours, we did not see a flight attendant, until they announced that they would not be serving another meal because they were "overworked". (same crew that was on the first aborted flight). Fortunately, I had to use the restroom and noticed a basket with sandwiches and some cookies. I asked the flight attendant if I could have one, and she said "of course, these are for you". Nobody let anybody know that there was food available., and no one was offered any drinks for 6 hours. I had to get up and ask for a bottle of water. Finally, they never came around to collect trash, so I left my trash at my seat. I will do everything in my power to not have to fly TAP again. Also, I think there is a law in Europe that passengers delayed more than 3 hours are entitled to some form of compensation. I will pursue this.

Overall

7.2

Boarding

7.0

Food

6.3

Comfort

7.2

Entertainment

6.4

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Scott,Oct 2026

LIS - MIA

I don't understand why an aircraft that arrived in Lisbon at 5;19am for a 10:35 flight was immediately delayed until 11am , then 11:17 am. Also, after being on the plane and taxiing for an hour, they discovered a computer error and we had to change planes. All in all we had a 5 1/2 hour delay. The boarding process for the second plane was chaos. They herded everyone out of the boarding area behind ropes, and then didn't announce anything over the loud speaker, but had a single agent yelling Premium only. Needless to say, there was pushing, yelling and confusion. On board, I have never experienced such a lazy, lethargic crew. We were in business class. We were not offered a drink or the usual bowl of nuts. We were given lunch about an hour into the trip. the food was mediocre at best. My friend, who had preordered the pasta dish over a week ago, was told that they were out of it and she could only have octopus, which she does not eat. Meanwhile, she saw 3 other passengers get pasta that they had not preordered. Shouldn't the pre orders be given priority? For the next 6 hours, we did not see a flight attendant, until they announced that they would not be serving another meal because they were "overworked". (same crew that was on the first aborted flight). Fortunately, I had to use the restroom and noticed a basket with sandwiches and some cookies. I asked the flight attendant if I could have one, and she said "of course, these are for you". Nobody let anybody know that there was food available., and no one was offered any drinks for 6 hours. I had to get up and ask for a bottle of water. Finally, they never came around to collect trash, so I left my trash at my seat. I will do everything in my power to not have to fly TAP again. Also, I think there is a law in Europe that passengers delayed more than 3 hours are entitled to some form of compensation. I will pursue this.

Related info for your journey

  • How long is the flight from Portugal to Chicago O'Hare Intl Airport?

    Airlines like Scandinavian Airlines, Delta, and Air Canada fly from Portugal to Chicago O'Hare Intl Airport in about 15h 25m. The time it takes to get you to your destination can typically vary by up to 14h 05m. The distance from Portugal to Chicago O'Hare Intl Airport is about 3931 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portugal to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Finnair, which is currently one of the cheapest options available, starting at $367. Iberia flights start at $463 while deals on American Airlines start at $488 one-way.

  • What are the most popular routes from Portugal to Chicago O'Hare Intl Airport?

  • What are the cheapest flights from Portugal to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Portugal to Chicago O'Hare Intl Airport? While on average our users pay $964, our data indicates the cheapest price to be $587. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $582.

  • Can I find deals for flights from Portugal to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Portugal to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to O'Hare Intl.

  • Can I find deals for business class flights from Portugal to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Portugal to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to Chicago O'Hare Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $679). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Beloit
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Elgin
Racine

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Portugal to O'Hare Intl

AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$926Average$1,095FlexibilityNo cancel feeOn-timeN/A

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