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O'Hare Intl

$354+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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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 June 17, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 6/12. 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 11/55:50 pm
OPO
-
ORD
1 stop28h 55m
Scandinavian Airlines
Mon 11/97:15 pm
ORD
-
OPO
1 stop33h 50m
Scandinavian Airlines
Deal found 6/12$632
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 11/34:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Tue 11/247:15 pm
ORD
-
LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/15$639
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:10 am
LIS
-
ORD
1 stop17h 05m
British Airways
Sun 9/207:05 pm
ORD
-
LIS
1 stop16h 40m
British Airways
Deal found 6/15$667
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Tue 9/18:15 am
LIS
-
ORD
2 stops18h 14m
Multiple Airlines
Tue 9/82:00 pm
ORD
-
LIS
2 stops34h 30m
Multiple Airlines
Deal found 6/16$672
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:20 am
LIS
-
ORD
1 stop16h 55m
British Airways
Mon 9/215:00 pm
ORD
-
LIS
1 stop13h 55m
British Airways
Deal found 6/15$673
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:10 am
LIS
-
ORD
1 stop17h 05m
British Airways
Sat 9/199:15 pm
ORD
-
LIS
1 stop13h 05m
British Airways
Deal found 6/15$675
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:10 am
LIS
-
ORD
1 stop17h 05m
British Airways
Fri 9/187:05 pm
ORD
-
LIS
1 stop14h 30m
British Airways
Deal found 6/15$677
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. 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 11/54:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Wed 11/257:15 pm
ORD
-
LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/15$678
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:00 am
LIS
-
ORD
1 stop13h 15m
British Airways
Fri 9/189:15 pm
ORD
-
LIS
1 stop14h 45m
British Airways
Deal found 6/15$680
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:00 am
LIS
-
ORD
1 stop13h 15m
British Airways
Mon 9/215:00 pm
ORD
-
LIS
1 stop13h 55m
British Airways
Deal found 6/15$682
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:05 am
LIS
-
ORD
1 stop13h 10m
British Airways
Fri 9/189:15 pm
ORD
-
LIS
1 stop14h 45m
British Airways
Deal found 6/15$684
This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:20 am
LIS
-
ORD
1 stop14h 35m
British Airways
Tue 9/225:00 pm
ORD
-
LIS
1 stop15h 30m
British Airways
Deal found 6/15$685

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 June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(Kiwi.com)

One-way from

$354
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,237

Good one-way deal

$641 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
Search Deals
From Portugal to Chicago O'Hare Intl
Search Deals
One-way flight from Portugal to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.
Search Deals

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 June 17, 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

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 11/5

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Mon 11/9

7:15 pm-4:05 pm

1 stop14h 50m

$677

PortoChicago

OPO - ORD

OPOORD

Porto

Tue 7/21

8:25 am-1:19 pm

2 stops34h 54m

Chicago O'Hare Intl

Tue 7/28

7:25 pm-6:35 pm

2 stops17h 10m

$789

PortoChicago

OPO - ORD

OPOORD

Porto

Mon 9/7

4:20 pm-2:15 pm

1 stop27h 55m

Chicago O'Hare Intl

Wed 9/16

5:10 pm-3:25 pm

1 stop16h 15m

$801

PortoChicago

OPO - ORD

OPOORD

Porto

Mon 9/7

5:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Wed 9/16

5:53 pm-3:25 pm

2 stops15h 32m

$806

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 10/19

5:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Tue 10/27

11:30 am-11:20 am

2 stops18h 50m

$810

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 7/14

10:15 pm-2:00 pm

1 stop21h 45m

Chicago O'Hare Intl

Mon 8/10

9:00 pm-9:35 pm

1 stop18h 35m

$877

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 7/9

10:40 am-4:57 pm

1 stop12h 17m

Chicago O'Hare Intl

Fri 7/24

7:25 am-6:05 am

1 stop16h 40m

$884

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 10/7

5:05 am-12:55 pm

1 stop13h 50m

Chicago O'Hare Intl

Wed 2/3

11:45 am-8:10 am

1 stop14h 25m

$904

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 10/8

5:05 pm-9:40 am

1 stop22h 35m

Chicago O'Hare Intl

Sun 2/7

8:15 pm-10:35 am

1 stop32h 20m

$921

PortoChicago

OPO - ORD

OPOORD

Porto

Tue 7/21

1:30 pm-10:05 pm

1 stop14h 35m

Chicago O'Hare Intl

Tue 8/4

7:25 pm-6:35 pm

2 stops17h 10m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 52 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, February is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $473). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $880). 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 June 17, 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 21% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 126 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 21% 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 June 17, 2026.
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.
TAP AIR PORTUGAL
7.2
Good
2,281 reviews

Food

6.2

Boarding

7.0

Entertainment

6.3

Overall

7.2

Comfort

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.2
Good
2,281 reviews
TAP AIR PORTUGAL
7.2
Good
2,281 reviews

Food

6.2

Boarding

7.0

Entertainment

6.3

Overall

7.2

Comfort

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

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 Scandinavian Airlines, KLM, and Delta fly from Portugal to Chicago O'Hare Intl Airport in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 14h 20m. 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. American Airlines flights start at $484 while deals on British Airways start at $533 one-way.

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

    When deciding which route to take from Portugal to Chicago O'Hare Intl Airport consider Lisbon Humberto Delgado - Chicago O'Hare Intl, Porto - Chicago O'Hare Intl or Faro - Chicago O'Hare Intl as they are the most popular.

  • 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 $1,416, our data indicates the cheapest price to be $561. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $672.

  • 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, February is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $473). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $880). 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
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Racine
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Portugal to O'Hare Intl

Discover the top airline 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 June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$665Average$1,095FlexibilityNo cancel feeOn-timeN/A

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