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$330+ Cheap flights from Portugal to Chicago (CHI)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — CHI
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Portugal to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$478
(Mytrip)

One-way from

$330
(Kiwi.com)
From Portugal to Chicago (CHI)
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One-way flight from Portugal to Chicago (CHI)
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Find flight deals from Portugal to Chicago

Cheapest flights from Portugal to Chicago
Explore the most affordable flight options available from Portugal to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This AirNGo deal was found by Cheapflights users on 12/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/273:25 pmLIS - ORD
1 stop29h 05mMultiple Airlines
Fri 1/105:20 pmORD - LIS
1 stop18h 10mMultiple Airlines
Deal found 12/21$734
This Delta deal was found by Cheapflights users on 12/21. 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.
Fri 12/275:00 amLIS - ORD
2 stops17h 40mDelta
Fri 1/105:20 pmORD - LIS
1 stop18h 10mDelta
Deal found 12/21$735
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/276:30 amLIS - ORD
2 stops22h 28mAmerican Airlines
Fri 1/106:35 pmORD - LIS
1 stop17h 20mAmerican Airlines
Deal found 12/22$739
This Delta deal was found by Cheapflights users on 12/21. 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.
Fri 12/275:00 amLIS - MDW
2 stops17h 24mDelta
Fri 1/1010:57 amMDW - LIS
2 stops17h 38mDelta
Deal found 12/21$775
This Finnair deal was found by Cheapflights users on 12/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:30 amLIS - ORD
1 stop14h 00mFinnair
Fri 1/1010:00 pmORD - LIS
1 stop18h 25mFinnair
Deal found 12/22$780
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/2610:55 amLIS - ORD
1 stop29h 59mUnited Airlines
Sat 1/48:50 amORD - LIS
1 stop19h 10mUnited Airlines
Deal found 12/21$873
This AirNGo deal was found by Cheapflights users on 12/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:00 amLIS - ORD
1 stop15h 30mKLM
Sat 12/284:25 pmORD - LIS
1 stop24h 45mKLM
Deal found 12/21$901
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:20 amLIS - ORD
2 stops17h 47mIberia
Sat 1/410:00 pmORD - LIS
2 stops14h 05mIberia
Deal found 12/21$1,107
This Aeromexico deal was found by Cheapflights users on 12/22. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/264:10 pmLIS - ORD
2 stops30h 30mAir France
Sat 1/45:30 pmORD - LIS
2 stops22h 55mAir France
Deal found 12/22$1,162
This Gotogate deal was found by Cheapflights users on 12/22. 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.
Sun 12/226:30 pmLIS - ORD
2 stops31h 25mAir Canada
Fri 12/272:05 pmORD - LIS
2 stops14h 55mAir Canada
Deal found 12/22$1,201
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Sun 12/225:25 pmLIS - MDW
1 stop20h 56mMultiple Airlines
Fri 12/279:16 amMDW - LIS
1 stop14h 19mMultiple Airlines
Deal found 12/22$2,421

Find flights from Portugal to Chicago within your budget

Customize your flight search to find flights from Portugal to Chicago 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 22, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 2/4

1:55 pm-2:30 pm

2 stops30h 35m

Chicago O'Hare Intl

Tue 2/11

10:05 am-1:15 pm

3 stops21h 10m

$478

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 1/17

6:30 am-2:30 pm

1 stop14h 00m

Chicago O'Hare Intl

Fri 1/31

9:45 pm-10:25 pm

1 stop18h 40m

$591

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 4/11

5:55 pm-4:10 pm

1 stop28h 15m

Chicago O'Hare Intl

Mon 4/21

7:15 pm-11:15 am

1 stop34h 00m

$596

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 1/17

5:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Fri 1/31

4:58 pm-5:30 pm

2 stops18h 32m

$597

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 5/8

6:35 am-6:45 pm

1 stop18h 10m

Chicago O'Hare Intl

Tue 5/20

10:20 pm-5:55 pm

1 stop13h 35m

$600

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/17

8:20 am-2:30 pm

1 stop12h 10m

Chicago O'Hare Intl

Thu 1/30

6:35 pm-5:15 pm

1 stop16h 40m

$601

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Fri 1/17

5:00 am-6:14 pm

2 stops19h 14m

Chicago Midway

Fri 1/31

2:08 pm-3:10 pm

2 stops19h 02m

$603

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/17

6:15 am-8:53 pm

2 stops20h 38m

Chicago O'Hare Intl

Thu 1/30

5:20 pm-10:50 am

1 stop11h 30m

$611

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/17

8:20 am-2:30 pm

1 stop12h 10m

Chicago O'Hare Intl

Thu 1/30

4:45 pm-8:00 pm

1 stop21h 15m

$615

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/17

6:15 am-8:53 pm

2 stops20h 38m

Chicago O'Hare Intl

Thu 1/30

5:20 pm-10:50 am

1 stop11h 30m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 58 results
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Best time to book a flight from Portugal to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Travel insights for flights from Portugal to Chicago

Get recent, data-driven insights about flights from Portugal to Chicago including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portugal to Chicago?

Currently, August is the cheapest month in which you can book a flight from Portugal to Chicago (average of $245). Flying from Portugal to Chicago in March is currently the most expensive (average of $317). 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 CHI?

Find hourly flight availability from Portugal to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

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

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated December 22, 2024.
Read reviews from past customers who have flown Finnair, Delta and American Airlines from Portugal to Chicago. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
785 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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 Chicago. 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 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 $501. Turkish Airlines flights start at $535 while deals on Aer Lingus start at $545 one-way.

  • What are the most popular routes from Portugal to Chicago?

    Most travelers choose Lisbon Humberto Delgado - Chicago O'Hare Intl, Lisbon Humberto Delgado - Chicago Midway or Porto - Chicago O'Hare Intl when deciding on the best route from Portugal to Chicago.

  • What are the cheapest flights from Portugal to Chicago?

    While on average a flight from Portugal to Chicago is generally $780, our data shows the cheapest flight currently is $516. When looking at the most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), you can expect to pay $579 for that flight.

  • Can I find deals for flights from Portugal to Chicago that include hotel bookings?

    Yes. In addition to deals on Portugal to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Chicago?

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

  • Can I find deals for business class flights from Portugal to Chicago?

    Yes. Cheapflights offers flight deals from Portugal to Chicago 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?

    Currently, August is the cheapest month in which you can book a flight from Portugal to Chicago (average of $245). Flying from Portugal to Chicago in March is currently the most expensive (average of $317). 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.

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Alternative routes for Portugal to Chicago

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Top 3 airlines flying from Portugal to Chicago

Discover the top 3 airlines that operate flights from Portugal to Chicago. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$474Average$659FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$580Average$961FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$882FlexibilityNo cancel feeOn-time69%
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