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$254+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
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 December 22, 2024.

Round-trip from

$498
(Flighttix)

One-way from

$254
(Kiwi.com)
From Chicago (CHI) to Portugal
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One-way flight from Chicago (CHI) to Portugal
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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 December 22, 2024.

This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:05 pmORD - LIS
1 stop31h 10mMultiple Airlines
Tue 1/1411:00 amLIS - ORD
1 stop29h 54mMultiple Airlines
Deal found 12/21$503
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.
Sat 12/289:05 pmORD - LIS
1 stop31h 10mUnited Airlines
Tue 1/1411:00 amLIS - ORD
2 stops32h 10mUnited Airlines
Deal found 12/21$507
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:25 pmORD - LIS
2 stops30h 55mAir Canada
Mon 1/1311:00 amLIS - ORD
2 stops33h 45mAir Canada
Deal found 12/21$570
This Expedia deal was found by Cheapflights users on 12/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/304:55 pmORD - LIS
1 stop10h 10mBritish Airways
Sun 1/127:05 amLIS - ORD
2 stops16h 33mBritish Airways
Deal found 12/20$604
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.
Mon 12/309:30 amMDW - LIS
2 stops19h 05mDelta
Mon 1/1310:00 amLIS - MDW
2 stops18h 20mDelta
Deal found 12/21$606
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:09 pmORD - LIS
2 stops11h 46mAmerican Airlines
Tue 1/1411:10 amLIS - ORD
2 stops13h 17mAmerican Airlines
Deal found 12/21$707
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.
Tue 12/243:32 pmMDW - OPO
2 stops17h 53mDelta
Tue 12/316:00 amOPO - MDW
2 stops17h 11mDelta
Deal found 12/21$1,107
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:05 pmMDW - LIS
2 stops13h 35mMultiple Airlines
Mon 1/139:25 amLIS - MDW
3 stops33h 21mMultiple Airlines
Deal found 12/21$1,163
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:25 pmORD - LIS
Nonstop7h 50mTAP AIR PORTUGAL
Tue 1/1412:05 pmLIS - ORD
1 stop25h 39mTAP AIR PORTUGAL
Deal found 12/21$1,182
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:05 pmORD - LIS
1 stop34h 20mSWISS
Mon 1/66:45 pmLIS - ORD
2 stops48h 55mSWISS
Deal found 12/21$1,196
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:45 pmORD - LIS
1 stop24h 40mFinnair
Tue 12/316:30 amLIS - ORD
1 stop14h 00mFinnair
Deal found 12/21$1,273
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:25 pmORD - OPO
1 stop33h 25mMultiple Airlines
Sun 12/297:25 pmOPO - ORD
1 stop26h 50mMultiple Airlines
Deal found 12/21$1,335

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 2,558,603 searches. Data last updated December 22, 2024.

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Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 2/18

11:35 am-9:20 am

1 stop15h 45m

Lisbon Humberto Delgado

Tue 2/25

11:00 am-6:45 pm

1 stop13h 45m

$498

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 1/24

8:20 pm-3:55 pm

1 stop13h 35m

Porto

Fri 1/31

9:00 am-3:30 pm

1 stop12h 30m

$498

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 1/19

8:25 pm-10:15 am

Nonstop7h 50m

Lisbon Humberto Delgado

Sun 1/26

11:55 am-3:30 pm

Nonstop9h 35m

$501

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 2/4

11:35 am-11:15 am

2 stops17h 40m

Porto

Tue 2/11

12:05 pm-4:15 pm

1 stop34h 10m

$508

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 1/19

7:20 am-9:20 am

2 stops20h 00m

Lisbon Humberto Delgado

Wed 1/29

12:15 pm-4:15 pm

1 stop34h 00m

$510

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 2/18

11:35 am-11:40 am

2 stops18h 05m

Porto

Tue 2/25

6:00 am-7:37 pm

2 stops19h 37m

$511

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 2/4

2:01 pm-9:20 am

1 stop13h 19m

Lisbon Humberto Delgado

Tue 2/11

11:00 am-12:58 pm

2 stops31h 58m

$513

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 1/19

10:00 pm-9:45 pm

1 stop17h 45m

Lisbon Humberto Delgado

Wed 1/29

6:30 am-2:30 pm

1 stop14h 00m

$515

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 2/4

2:08 pm-11:20 am

2 stops15h 12m

Lisbon Humberto Delgado

Tue 2/11

5:30 am-5:43 pm

2 stops18h 13m

$523

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/19

7:05 pm-6:40 pm

1 stop17h 35m

Porto

Wed 2/26

7:30 pm-4:15 pm

1 stop26h 45m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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, January is the cheapest month in which you can book a flight from Chicago to Portugal (average of $612). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,250). 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 December 22, 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 December 22, 2024.
Read reviews from past customers who have flown United Airlines, British Airways and Air France 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
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

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

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

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

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

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

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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 KLM, which is currently one of the cheapest options available, starting at $363. British Airways flights start at $366 while deals on United Airlines start at $384 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 $1,624 for a flight from Chicago to Portugal. The cheapest flight overall is $311 while the most popular route, (Chicago O'Hare Intl - Lisbon Humberto Delgado) is currently priced at $494.

  • 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, January is the cheapest month in which you can book a flight from Chicago to Portugal (average of $612). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,250). 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$423Average$880FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$463Average$748FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$468Average$748FlexibilityNo cancel feeOn-time71%
IberiaCheapest$480Average$677FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$506Average$805FlexibilityNo cancel feeOn-time70%
DeltaCheapest$519Average$795FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$527Average$772FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$527Average$1,040FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$534Average$803FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$552Average$985FlexibilityNo cancel feeOn-timeN/A
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