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O'Hare Intl

$303+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
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 December 5, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amLIS - ORD
1 stop14h 25mAmerican Airlines
Thu 1/19:03 amORD - LIS
1 stop18h 02mAmerican Airlines
Deal found 12/2$691
This Gotogate deal was found by Cheapflights users on 12/4. 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 12/2411:00 amLIS - ORD
1 stop14h 45mAir Canada
Tue 12/3012:50 pmORD - LIS
1 stop14h 30mAir Canada
Deal found 12/4$745
This Gotogate deal was found by Cheapflights users on 12/3. 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.
Tue 12/2310:50 amLIS - ORD
1 stop13h 05mAer Lingus
Mon 12/293:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 12/3$758
This United Airlines deal was found by Cheapflights users on 12/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Tue 12/306:21 pmORD - LIS
1 stop9h 54mUnited Airlines
Deal found 12/4$780
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Thu 1/16:21 pmORD - LIS
1 stop9h 54mUnited Airlines
Deal found 12/3$781
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Mon 12/299:15 pmORD - LIS
1 stop31h 00mUnited Airlines
Deal found 12/3$783
This Mytrip deal was found by Cheapflights users on 12/4. 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 12/245:15 pmLIS - ORD
2 stops21h 58mMultiple Airlines
Tue 12/306:30 pmORD - LIS
2 stops19h 10mMultiple Airlines
Deal found 12/4$788
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Thu 12/251:10 pmFAO - ORD
1 stop28h 00mMultiple Airlines
Wed 12/313:45 pmORD - FAO
2 stops20h 30mMultiple Airlines
Deal found 12/4$790
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:10 pmFAO - ORD
1 stop28h 00mUnited Airlines
Wed 12/313:20 pmORD - FAO
1 stop14h 40mUnited Airlines
Deal found 12/3$791
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/68:40 pmOPO - ORD
2 stops26h 20mAmerican Airlines
Mon 12/155:40 pmORD - OPO
1 stop12h 05mAmerican Airlines
Deal found 12/3$850
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/68:40 pmOPO - ORD
2 stops26h 20mAmerican Airlines
Sun 12/1410:07 amORD - OPO
2 stops19h 38mAmerican Airlines
Deal found 12/3$861
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/58:20 amOPO - ORD
1 stop12h 35mAmerican Airlines
Mon 12/155:40 pmORD - OPO
1 stop12h 05mAmerican Airlines
Deal found 12/3$903

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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$427
(Kiwi.com)

One-way from

$303
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$756

Good round-trip deal

$529 or less

Good one-way deal

$549 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. 1% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in December 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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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 December 5, 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

Fri 2/6

4:40 pm-4:45 pm

1 stop30h 05m

Chicago O'Hare Intl

Sun 2/15

7:10 pm-4:30 pm

1 stop15h 20m

$462

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Fri 2/13

7:20 pm-8:55 am

1 stop31h 35m

$538

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 2/6

4:40 pm-4:45 pm

1 stop30h 05m

Chicago O'Hare Intl

Sun 2/8

7:05 am-4:30 pm

2 stops27h 25m

$540

PortoChicago

OPO - ORD

OPOORD

Porto

Sun 1/18

5:00 am-2:45 pm

1 stop15h 45m

Chicago O'Hare Intl

Sun 1/25

8:25 pm-5:00 pm

1 stop14h 35m

$559

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 1/15

6:00 pm-3:25 pm

1 stop27h 25m

Chicago O'Hare Intl

Fri 1/30

8:15 pm-7:00 pm

1 stop16h 45m

$572

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 1/15

11:15 am-3:25 pm

1 stop34h 10m

Chicago O'Hare Intl

Wed 1/28

7:10 pm-9:55 am

1 stop32h 45m

$583

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 1/22

6:55 pm-4:45 pm

1 stop27h 50m

Chicago O'Hare Intl

Thu 2/5

7:20 pm-3:50 pm

1 stop14h 30m

$602

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

7:00 pm-4:45 pm

1 stop27h 45m

Chicago O'Hare Intl

Sun 2/8

7:10 pm-4:30 pm

1 stop15h 20m

$622

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 2/7

6:55 pm-4:55 pm

1 stop28h 00m

Chicago O'Hare Intl

Fri 2/13

7:20 pm-8:55 am

1 stop31h 35m

$648

PortoChicago

OPO - ORD

OPOORD

Porto

Sun 1/18

6:00 am-7:45 pm

2 stops19h 45m

Chicago O'Hare Intl

Sun 1/25

8:00 am-11:40 am

2 stops21h 40m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 43 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, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $558). Flying from Portugal to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $900). 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 December 5, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 46% on flights from Portugal to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

How often are flights from Portugal to Chicago delayed?

About 24% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 136 minutes.

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

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

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

Friday 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 24% 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 December 5, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines 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.
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,384 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
TAP AIR PORTUGAL
7.1
Good
2,081 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, TAP AIR PORTUGAL, and United Airlines fly from Portugal to Chicago O'Hare Intl Airport in about 15h 45m. 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 $401. 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?

    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 $750, our data indicates the cheapest price to be $529. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $429.

  • 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 $558). Flying from Portugal to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $900). 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
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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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.
Frankfurt to O'Hare Intl flights
Charles de Gaulle to O'Hare Intl flights
Heathrow to O'Hare Intl flights
Frederic Chopin to O'Hare Intl flights
Orly to O'Hare Intl flights
Charles de Gaulle to Midway flights
Madrid to O'Hare Intl flights
Bruxelles-National to O'Hare Intl flights
Munich to O'Hare Intl flights
Krakow to O'Hare Intl flights
Beauvais-Tille to O'Hare Intl flights
Gatwick to O'Hare Intl flights
Amsterdam to O'Hare Intl flights
Athens to O'Hare Intl flights
Frederic Chopin to Midway flights
Zurich to O'Hare Intl flights
London City to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Vienna to O'Hare Intl flights
Dublin to O'Hare Intl flights
Malpensa to O'Hare Intl flights
Stansted to O'Hare Intl flights
Duesseldorf Intl to O'Hare Intl flights
Madrid to Midway flights
Heathrow to Midway flights
Istanbul to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Bruxelles-National to Midway flights
Luton to O'Hare Intl flights
Barcelona-El Prat to O'Hare Intl flights
Bergamo to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights
Duesseldorf Intl to Midway flights
Berlin to O'Hare Intl flights
Munich to Midway flights
Barcelona-El Prat to Midway flights
Amsterdam to Midway flights
Ciampino to O'Hare Intl flights
Linate to O'Hare Intl flights
Skopje to O'Hare Intl flights
Basel to O'Hare Intl flights
Oslo Gardermoen to O'Hare Intl flights
Sofia to O'Hare Intl flights
Lisbon to O'Hare Intl flights

Top 5 airlines flying from Portugal to O'Hare Intl

Discover the top 5 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$580Average$1,209FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$650Average$696FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$653Average$740FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$669Average$768FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$734Average$886FlexibilityNo cancel feeOn-time69%

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