O'Hare Intl

$357+ Cheap flights from Portugal to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
May 2 — May 91
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Cheap flight deals from Portugal to O'Hare Intl

Cheapest flights from Portugal to O'Hare Intl
Explore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This Rumbo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Thu 11/267:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 3/30$588
This Scandinavian Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/167:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 3/28$624
This Gotogate deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:00 am
OPO
-
ORD
1 stop13h 00m
TAP AIR PORTUGAL
Sun 4/196:00 pm
ORD
-
OPO
1 stop31h 50m
TAP AIR PORTUGAL
Deal found 3/30$638
This Rumbo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/307:20 pm
ORD
-
LIS
2 stops20h 40m
Scandinavian Airlines
Deal found 3/29$643
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 pm
OPO
-
ORD
1 stop28h 00m
TAP AIR PORTUGAL
Sat 5/26:05 pm
ORD
-
OPO
1 stop20h 20m
TAP AIR PORTUGAL
Deal found 3/28$657
This Gotogate deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:05 am
OPO
-
ORD
1 stop16h 55m
TAP AIR PORTUGAL
Sun 5/36:00 pm
ORD
-
OPO
1 stop31h 50m
TAP AIR PORTUGAL
Deal found 3/30$661
This Rumbo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Sun 12/137:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 3/30$669
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:05 pm
LIS
-
ORD
2 stops24h 10m
Multiple Airlines
Sun 4/195:10 pm
ORD
-
LIS
2 stops23h 15m
Multiple Airlines
Deal found 3/30$713
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:40 pm
OPO
-
ORD
2 stops29h 35m
Multiple Airlines
Sun 4/195:10 pm
ORD
-
OPO
2 stops24h 40m
Multiple Airlines
Deal found 3/30$723
This Rumbo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:25 am
OPO
-
ORD
1 stop35h 45m
Scandinavian Airlines
Sat 5/237:15 pm
ORD
-
OPO
1 stop16h 25m
Scandinavian Airlines
Deal found 3/29$749
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 pm
OPO
-
ORD
3 stops29h 05m
Multiple Airlines
Sun 5/310:25 pm
ORD
-
OPO
3 stops27h 35m
Multiple Airlines
Deal found 4/1$762
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:25 am
OPO
-
ORD
2 stops35h 00m
Multiple Airlines
Sun 5/249:55 am
ORD
-
OPO
1 stop19h 50m
Multiple Airlines
Deal found 4/2$765

Find flight deals from Portugal to O'Hare Intl

Keep the following information in mind while searching for Portugal to O'Hare Intl flight deals. Data was last updated April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$638
(Gotogate)

One-way from

$349
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$839

Good one-way deal

$753 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
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
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 - ORD

OPOORD

Porto

Thu 4/16

6:00 pm-4:00 pm

1 stop28h 00m

Chicago O'Hare Intl

Sat 5/2

6:05 pm-8:25 pm

1 stop20h 20m

$657

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 4/17

5:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 5/3

1:36 pm-3:25 pm

2 stops19h 49m

$817

PortoChicago

OPO - ORD

OPOORD

Porto

Wed 4/15

5:00 am-4:18 pm

2 stops17h 18m

Chicago O'Hare Intl

Sun 4/19

5:10 pm-3:25 pm

1 stop16h 15m

$822

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 4/16

5:00 am-8:40 pm

2 stops21h 40m

Chicago O'Hare Intl

Sat 5/2

5:04 pm-3:25 pm

2 stops16h 21m

$823

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 4/27

5:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 5/4

10:15 am-8:50 am

2 stops16h 35m

$826

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 5/21

5:00 am-8:14 pm

2 stops21h 14m

Chicago O'Hare Intl

Fri 6/5

5:19 pm-6:10 pm

2 stops18h 51m

$828

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 5/7

5:00 am-8:14 pm

2 stops21h 14m

Chicago O'Hare Intl

Sat 5/23

5:19 pm-6:10 pm

2 stops18h 51m

$828

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 5/12

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Tue 5/19

9:00 pm-8:45 pm

1 stop17h 45m

$831

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 4/15

5:00 am-4:18 pm

2 stops17h 18m

Chicago O'Hare Intl

Sun 4/19

5:10 pm-2:55 pm

1 stop15h 45m

$831

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 4/17

5:00 am-8:40 pm

2 stops21h 40m

Chicago O'Hare Intl

Mon 5/4

3:30 pm-2:55 pm

2 stops17h 25m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 50 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $517). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $889). 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?

Find hourly flight availability from Portugal to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2026.

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 26% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 129 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 Saturday 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 26% of flights being delayed.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated April 2, 2026.
Get a feel of what it's like to fly with KLM,United Airlines, andTAP 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.

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Portugal to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Portugal to Chicago O'Hare Intl Airport?

    Airlines like TAP AIR PORTUGAL, Delta, and United Airlines fly from Portugal to Chicago O'Hare Intl Airport in about 14h 43m. The time it takes to get you to your destination can typically vary by up to 13h 17m. The distance from Portugal to Chicago O'Hare Intl Airport is about 3996 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 $484 while deals on American Airlines start at $484 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 $1,719, our data indicates the cheapest price to be $562. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $730.

  • 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, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $517). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $889). 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
Schaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
South Holland
Elk Grove Village
Libertyville
Warrenville
Oak Brook
Bridgeview
Beloit
Great Lakes
Lansing

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Top 3 airlines flying from Portugal to O'Hare Intl

Discover the top 3 airlines that operate flights from Portugal to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$653Average$740FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$665Average$1,209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$706Average$909FlexibilityNo cancel feeOn-time69%

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