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Portugal

$290+ Cheap flights from Illinois 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.
ORD — LIS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 21, 2024.

Find flight deals from Illinois to Portugal

Cheapest flights from Illinois to Portugal
Explore the most affordable flight options available from Illinois to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

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 11/20. 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 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
Wed 12/118:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 11/20$503
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 12/47:15 pmORD - OPO
1 stop15h 45mTAP AIR PORTUGAL
Tue 12/106:00 pmOPO - ORD
1 stop27h 30mTAP AIR PORTUGAL
Deal found 11/20$504
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.
Tue 12/311:35 amORD - OPO
2 stops18h 05mAir Canada
Wed 12/116:00 amOPO - ORD
2 stops22h 07mAir Canada
Deal found 11/20$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 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.
Wed 11/2711:15 amORD - LIS
2 stops14h 55mUnited Airlines
Wed 12/410:15 amLIS - ORD
2 stops14h 59mUnited Airlines
Deal found 11/19$514
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:05 pmORD - LIS
1 stop13h 30mMultiple Airlines
Fri 12/612:15 pmLIS - ORD
1 stop13h 50mMultiple Airlines
Deal found 11/20$515
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 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.
Sun 12/14:45 pmORD - LIS
1 stop10h 10mBritish Airways
Mon 12/96:35 pmLIS - ORD
1 stop25h 20mBritish Airways
Deal found 11/20$521
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
This Delta deal was found by Cheapflights users on 11/21. 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.
Wed 12/410:45 amORD - LIS
1 stop15h 15mDelta
Sat 12/145:00 amLIS - ORD
1 stop15h 30mDelta
Deal found 11/21$527
This KLM deal was found by Cheapflights users on 11/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/71:59 pmORD - LIS
1 stop12h 01mKLM
Wed 12/1811:15 amLIS - ORD
1 stop17h 26mKLM
Deal found 11/21$528

Find flights from Illinois to Portugal within your budget

Customize your flight search to find flights from Illinois 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 21, 2024.

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Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/2

8:25 pm-6:05 pm

1 stop15h 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

Wed 12/11

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

Tue 1/21

3:35 pm-9:20 am

1 stop11h 45m

Lisbon Humberto Delgado

Wed 1/29

11:00 am-7:55 pm

2 stops38h 55m

$511

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 2/22

8:30 pm-9:20 am

1 stop30h 50m

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-9:42 pm

2 stops16h 27m

$514

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 2/18

9:55 pm-8:00 pm

2 stops16h 05m

Porto

Tue 2/25

8:20 am-2:30 pm

1 stop12h 10m

$515

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 12/2

7:28 am-9:20 am

2 stops19h 52m

Lisbon Humberto Delgado

Mon 12/9

12:15 pm-1:25 pm

1 stop31h 10m

$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 Illinois to Portugal

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

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

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

Currently, December is the cheapest month in which you can book a flight from Illinois to Portugal (average of $589). Flying from Illinois 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 IL to PT?

Find hourly flight availability from Illinois 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 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Portugal as you normally would.

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 21, 2024.
See what other customers who have flown with United Airlines, SWISS and Turkish Airlines from Illinois to Portugal have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,759 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
286 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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 Illinois 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 Illinois to Portugal one-way?

    For one-way options, check prices for Air France. According to our data, you can fly for as low as $386. Users have also found prices from $386 and $395 on Delta and SWISS, respectively.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Illinois to Portugal (average of $589). Flying from Illinois 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 Illinois 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 Illinois to Portugal

Discover the top 10 airlines that operate flights from Illinois 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 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$418Average$875FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$463Average$731FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$468Average$930FlexibilityNo 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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