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$290+ Cheap flights from Chicago (CHI) to Portugal

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Chicago to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Portugal (PT0). 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 November 20, 2024.

Find flight deals from Chicago to Portugal

Cheapest flights from Chicago to Portugal
Explore the most affordable flight options available from Chicago to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/18. 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.
Fri 12/68:20 pmORD - OPO
1 stop15h 40mTAP AIR PORTUGAL
Fri 12/136:55 amOPO - ORD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 11/18$478
This Gotogate deal was found by Cheapflights users on 11/20. 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 12/84:00 pmORD - OPO
2 stops17h 10mMultiple Airlines
Mon 12/236:55 pmOPO - ORD
1 stop27h 20mMultiple Airlines
Deal found 11/20$494
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/34:45 pmORD - OPO
1 stop13h 00mAmerican Airlines
Thu 12/128:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 11/19$503
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:35 amORD - OPO
2 stops18h 05mAir Canada
Tue 12/106:00 amOPO - ORD
2 stops19h 32mAir Canada
Deal found 11/19$506
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Wed 12/43:55 pmORD - OPO
1 stop13h 45mLufthansa
Wed 12/116:00 amOPO - ORD
1 stop13h 25mLufthansa
Deal found 11/20$509
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/112:04 amORD - LIS
1 stop26h 06mMultiple Airlines
Mon 12/912:15 pmLIS - ORD
1 stop34h 00mMultiple Airlines
Deal found 11/19$511
This SWISS deal was found by Cheapflights users on 11/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:05 pmORD - LIS
1 stop13h 30mSWISS
Tue 12/33:25 pmLIS - ORD
1 stop30h 50mSWISS
Deal found 11/20$514
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/17:05 pmORD - OPO
1 stop34h 10mSWISS
Mon 12/97:05 pmOPO - ORD
1 stop27h 10mSWISS
Deal found 11/19$514
This British Airways deal was found by Cheapflights users on 11/20. 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.
Wed 12/45:00 pmORD - LIS
1 stop13h 10mBritish Airways
Tue 12/107:40 pmLIS - ORD
1 stop24h 15mBritish Airways
Deal found 11/20$518
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/272:05 pmORD - LIS
2 stops15h 20mAir Canada
Thu 12/510:55 amLIS - ORD
1 stop15h 00mAir Canada
Deal found 11/20$519
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 11/195:50 pmORD - LIS
2 stops15h 15mUnited Airlines
Thu 12/1910:55 amLIS - ORD
1 stop15h 00mUnited Airlines
Deal found 11/19$523
This KLM deal was found by Cheapflights users on 11/20. 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.
Tue 12/35:45 pmORD - OPO
2 stops15h 40mKLM
Tue 12/104:10 pmOPO - ORD
1 stop28h 20mKLM
Deal found 11/20$523

Find flights from Chicago to Portugal within your budget

Customize your flight search to find flights from Chicago to Portugal 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 2,629,791 searches. Data last updated November 20, 2024.

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Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/2

8:25 pm-11:05 am

1 stop32h 40m

Porto

Tue 2/11

6:00 pm-3:30 pm

1 stop27h 30m

$439

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/2

8:25 pm-7:20 pm

2 stops16h 55m

Porto

Tue 2/11

8:10 pm-3:30 pm

2 stops25h 20m

$485

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/3

4:45 pm-11:45 am

1 stop13h 00m

Porto

Thu 12/12

8:20 am-2:30 pm

1 stop12h 10m

$503

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/3

11:35 am-11:40 am

2 stops18h 05m

Porto

Wed 12/11

6:00 am-10:07 pm

2 stops22h 07m

$506

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/4

3:55 pm-11:40 am

1 stop13h 45m

Porto

Wed 12/11

6:00 am-1:25 pm

1 stop13h 25m

$509

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 1/8

1:15 pm-8:10 am

2 stops12h 55m

Lisbon Humberto Delgado

Wed 1/15

5:00 am-4:41 pm

2 stops17h 41m

$511

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 2/24

9:50 am-9:20 am

1 stop17h 30m

Lisbon Humberto Delgado

Mon 3/3

12:15 pm-4:15 pm

1 stop34h 00m

$512

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 12/3

3:15 pm-9:15 am

2 stops12h 00m

Lisbon Humberto Delgado

Wed 12/11

11:15 am-7:19 pm

2 stops14h 04m

$515

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 1/19

1:55 pm-9:20 am

2 stops13h 25m

Lisbon Humberto Delgado

Wed 1/22

11:00 am-6:43 pm

1 stop13h 43m

$517

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/4

5:00 pm-12:10 pm

1 stop13h 10m

Lisbon Humberto Delgado

Tue 12/10

7:40 pm-1:55 pm

1 stop24h 15m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Portugal

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

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

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

Currently, December is the cheapest month in which you can book a flight from Chicago to Portugal (average of $589). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,182). 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 CHI to PT?

Find hourly flight availability from Chicago to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Chicago to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown Icelandair, Air Canada and SWISS from Chicago to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.8
Good
288 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Portugal. 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 Chicago to Portugal one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $360. KLM flights start at $385 while deals on Delta start at $385 one-way.

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

    The most popular route from Chicago to Portugal is Chicago O'Hare Intl - Lisbon Humberto Delgado. You may also consider Chicago Midway - Lisbon Humberto Delgado or Chicago O'Hare Intl - Porto.

  • What are the cheapest flights from Chicago to Portugal?

    On average you can expect to pay $1,087 for a flight from Chicago to Portugal. The cheapest flight overall is $323 while the most popular route, (Chicago O'Hare Intl - Lisbon Humberto Delgado) is currently priced at $445.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Portugal 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 Chicago to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Chicago to Portugal (average of $589). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,182). 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 Chicago to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Portugal

Discover the top 10 airlines that operate flights from Chicago to Portugal. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$418Average$875FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$463Average$731FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$468Average$755FlexibilityNo cancel feeOn-time71%
IberiaCheapest$480Average$665FlexibilityNo cancel feeOn-time77%
DeltaCheapest$519Average$785FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$523Average$815FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$527Average$1,044FlexibilityNo cancel feeOn-time69%
KLMCheapest$527Average$770FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$534Average$800FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$552Average$987FlexibilityNo cancel feeOn-timeN/A
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