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O'Hare Intl

$332+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap 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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(Mytrip)

One-way from

$332
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$826

Good round-trip deal

$795 or less

Good one-way deal

$568 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
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From Portugal to Chicago O'Hare Intl
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One-way flight from Portugal to Chicago O'Hare Intl
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Highest demand for flights based on searches. 8% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Portugal to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.
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Find 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 marzo 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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.
mié. 6/112:00 pmLIS - ORD
2 stops32h 10mMultiple Airlines
lun. 6/167:15 pmORD - LIS
2 stops20h 10mMultiple Airlines
Deal found 3/27$562
This Gotogate deal was found by Cheapflights users on 3/27. 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.
vie. 5/165:55 pmOPO - ORD
1 stop28h 15mScandinavian Airlines
jue. 5/297:15 pmORD - OPO
1 stop15h 50mScandinavian Airlines
Deal found 3/27$572
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/1711:45 amFAO - ORD
1 stop13h 15mAer Lingus
mar. 4/229:15 pmORD - FAO
1 stop15h 45mAer Lingus
Deal found 3/27$639
This Travelocity deal was found by Cheapflights users on 3/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/210:15 pmLIS - ORD
1 stop21h 45mAer Lingus
vie. 5/93:45 pmORD - LIS
1 stop13h 00mAer Lingus
Deal found 3/27$641
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/209:55 pmFAO - ORD
1 stop22h 15mKLM
mar. 9/304:20 pmORD - FAO
1 stop20h 50mKLM
Deal found 3/27$642
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/95:00 amLIS - ORD
1 stop15h 40mDelta
mié. 4/236:15 pmORD - LIS
2 stops17h 40mDelta
Deal found 3/27$643
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/93:35 pmLIS - ORD
1 stop28h 35mKLM
mié. 4/234:50 pmORD - LIS
1 stop24h 00mKLM
Deal found 3/27$658
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/124:20 pmOPO - ORD
1 stop27h 50mKLM
mar. 6/244:20 pmORD - OPO
1 stop17h 15mKLM
Deal found 3/27$663
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/910:00 amLIS - ORD
2 stops19h 58mVirgin Atlantic
dom. 5/257:00 amORD - LIS
2 stops21h 45mVirgin Atlantic
Deal found 3/27$668
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/168:15 amOPO - ORD
1 stop12h 00mAmerican Airlines
jue. 5/294:40 pmORD - OPO
2 stops13h 00mAmerican Airlines
Deal found 3/27$669
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:20 amLIS - ORD
1 stop14h 35mBritish Airways
mié. 4/308:20 pmORD - LIS
1 stop13h 20mBritish Airways
Deal found 3/27$669
This Mytrip deal was found by Cheapflights users on 3/27. 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.
vie. 5/97:10 amOPO - ORD
2 stops32h 42mMultiple Airlines
dom. 5/258:40 amORD - OPO
2 stops25h 35mMultiple Airlines
Deal found 3/27$686

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 marzo 28, 2025.
Use the filters below to find and compare flights from Portugal to Chicago O'Hare Intl Airport that are best for you.

Fly from

Portugal

Fly to

O'Hare Intl

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 6/11

2:00 pm-4:10 pm

2 stops32h 10m

Chicago O'Hare Intl

lun. 6/16

7:15 pm-9:25 pm

2 stops20h 10m

$562

PortoChicago

OPO - ORD

OPOORD

Porto

vie. 5/16

5:55 pm-4:10 pm

1 stop28h 15m

Chicago O'Hare Intl

jue. 5/29

7:15 pm-5:05 pm

1 stop15h 50m

$572

FaroChicago

FAO - ORD

FAOORD

Faro

jue. 4/17

11:45 am-7:00 pm

1 stop13h 15m

Chicago O'Hare Intl

mar. 4/22

9:15 pm-7:00 pm

1 stop15h 45m

$639

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 5/2

10:15 pm-2:00 pm

1 stop21h 45m

Chicago O'Hare Intl

vie. 5/9

3:45 pm-10:45 am

1 stop13h 00m

$641

FaroChicago

FAO - ORD

FAOORD

Faro

sáb. 9/20

9:55 pm-2:10 pm

1 stop22h 15m

Chicago O'Hare Intl

mar. 9/30

4:20 pm-7:10 pm

1 stop20h 50m

$642

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 4/9

5:00 am-2:40 pm

1 stop15h 40m

Chicago O'Hare Intl

mié. 4/23

6:15 pm-5:55 pm

2 stops17h 40m

$643

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 4/9

3:35 pm-2:10 pm

1 stop28h 35m

Chicago O'Hare Intl

mié. 4/23

4:50 pm-10:50 pm

1 stop24h 00m

$658

PortoChicago

OPO - ORD

OPOORD

Porto

jue. 6/12

4:20 pm-2:10 pm

1 stop27h 50m

Chicago O'Hare Intl

mar. 6/24

4:20 pm-3:35 pm

1 stop17h 15m

$663

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 5/9

10:00 am-11:58 pm

2 stops19h 58m

Chicago O'Hare Intl

dom. 5/25

7:00 am-10:45 am

2 stops21h 45m

$668

PortoChicago

OPO - ORD

OPOORD

Porto

vie. 5/16

8:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

jue. 5/29

4:40 pm-11:40 am

2 stops13h 00m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 53 results
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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, August is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $245). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 marzo 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 4% on flights from Portugal to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 marzo 28, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Portugal to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,063 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $496. Aer Lingus flights start at $538 while deals on Turkish Airlines start at $578 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 $1,388, our data indicates the cheapest price to be $493. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $641.

  • 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, August is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $245). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 Portugal?

Book flights to Portugal if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
New Buffalo
Elgin
Glenview
Lake Geneva

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Alternative routes for Portugal to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Charles de Gaulle to Midway flights
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Linate to O'Hare Intl flights
Bruxelles-National to Midway flights
Istanbul to Midway flights
Barcelona-El Prat to Midway flights
Bergamo to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Stansted to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights
Modlin to O'Hare Intl flights
Madrid to Midway flights
Otopeni Intl to O'Hare Intl flights
Prague to O'Hare Intl flights
Copenhagen to O'Hare Intl flights
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Vicenza to O'Hare Intl flights
Berlin to O'Hare Intl flights
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Amsterdam to Midway flights

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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$579Average$707FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$580Average$1,005FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$882FlexibilityNo cancel feeOn-time69%
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