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Algarve

$507+ Cheap flights from Illinois to Algarve

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
Oct 20 — Oct 271
Mon 10/20
Mon 10/27
1 adult, Economy
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Cheap flight deals from Illinois to Algarve

Keep the following information in mind while searching for Illinois to Algarve flight deals. Data was last updated September 20, 2025.

Round-trip from

$474
(oojo)

Popular in

March

Cheapest in

February

Average price

$788
From Illinois to Algarve
Search Deals
High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Algarve

Cheapest flights from Illinois to Algarve
Explore the most affordable flight options available from Illinois to Algarve. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2025.

This British Airways deal was found by Cheapflights users on 9/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:15 pmORD - FAO
1 stop31h 05mBritish Airways
Tue 11/411:00 amFAO - ORD
1 stop32h 50mBritish Airways
Deal found 9/18$600
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:00 pmORD - FAO
2 stops22h 20mMultiple Airlines
Tue 11/42:10 pmFAO - ORD
2 stops32h 10mMultiple Airlines
Deal found 9/19$601
This KLM deal was found by Cheapflights users on 9/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:59 pmORD - FAO
2 stops18h 06mKLM
Wed 10/158:50 amFAO - ORD
1 stop35h 20mKLM
Deal found 9/19$644
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:20 pmORD - FAO
2 stops24h 10mMultiple Airlines
Mon 11/109:10 amFAO - ORD
2 stops34h 00mMultiple Airlines
Deal found 9/19$676
This Rumbo deal was found by Cheapflights users on 9/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:15 pmORD - FAO
2 stops32h 10mScandinavian Airlines
Tue 11/410:50 amFAO - ORD
1 stop35h 55mScandinavian Airlines
Deal found 9/19$707
This KLM deal was found by Cheapflights users on 9/16. 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.
Fri 11/145:34 pmMDW - FAO
2 stops19h 46mKLM
Sat 11/229:25 amFAO - MDW
2 stops20h 07mKLM
Deal found 9/16$895
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:45 pmMDW - FAO
3 stops17h 40mMultiple Airlines
Sat 11/296:05 amFAO - MDW
3 stops39h 15mMultiple Airlines
Deal found 9/18$1,107
This KLM deal was found by Cheapflights users on 9/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:23 pmMDW - FAO
2 stops18h 47mKLM
Tue 11/47:45 pmFAO - MDW
2 stops26h 30mKLM
Deal found 9/18$1,307
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Tue 9/309:20 amMDW - FAO
3 stops30h 10mMultiple Airlines
Fri 10/31:25 pmFAO - MDW
3 stops34h 10mMultiple Airlines
Deal found 9/16$1,817
This KLM deal was found by Cheapflights users on 9/16. 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 9/301:43 pmMDW - FAO
2 stops23h 27mKLM
Fri 10/39:30 pmFAO - MDW
2 stops23h 56mKLM
Deal found 9/16$1,957

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Algarve 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 September 20, 2025.
Use the filters below to find and compare flights from Illinois to Algarve that are best for you.

Fly from

Illinois

Fly to

Algarve

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 1/8

7:20 pm-11:10 am

2 stops33h 50m

Faro

Tue 1/20

10:50 am-4:45 pm

1 stop35h 55m

$507

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 10/6

6:59 pm-7:05 pm

2 stops18h 06m

Faro

Wed 10/15

8:50 am-2:10 pm

1 stop35h 20m

$644

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 10/19

7:15 pm-10:20 am

1 stop33h 05m

Faro

Tue 11/4

6:50 pm-6:45 pm

1 stop29h 55m

$647

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 10/19

7:15 pm-9:25 am

2 stops32h 10m

Faro

Tue 11/4

10:50 am-4:45 pm

1 stop35h 55m

$707

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 10/19

4:00 pm-11:50 pm

3 stops25h 50m

Faro

Tue 11/4

11:15 am-4:20 pm

3 stops35h 05m

$749

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Tue 3/10

10:40 am-9:30 am

2 stops17h 50m

Faro

Fri 3/20

8:10 pm-3:20 pm

1 stop24h 10m

$751

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 11/3

4:25 pm-6:55 pm

1 stop20h 30m

Faro

Mon 11/10

7:15 pm-4:45 pm

2 stops27h 30m

$757

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 1/8

8:45 pm-4:45 pm

1 stop14h 00m

Faro

Tue 1/20

6:50 pm-1:50 pm

1 stop25h 00m

$782

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Fri 11/14

5:34 pm-7:20 pm

2 stops19h 46m

Faro

Sat 11/22

9:25 am-11:32 pm

2 stops20h 07m

$895

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Sat 11/22

12:45 pm-12:25 pm

3 stops17h 40m

Faro

Sat 11/29

6:05 am-3:20 pm

3 stops39h 15m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 13 results
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Best time to book a flight from Illinois to Algarve

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Algarve

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Algarve (average of $628). Flying from Illinois to Algarve in June is currently the most expensive (average of $1,329). 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 SAL?

Find hourly flight availability from Illinois to Algarve. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 20, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Illinois to Algarve. 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 Illinois to Algarve?

    Airlines like Scandinavian Airlines, KLM, and British Airways fly from Illinois to Algarve in about 18h 06m. The time it takes to get you to your destination can typically vary by up to 15h 44m. Illinois and Algarve are separated by a distance of 4114 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Algarve (average of $628). Flying from Illinois to Algarve in June is currently the most expensive (average of $1,329). 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

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Top 4 airlines flying from Illinois to Algarve

Discover the top 4 airlines that operate flights from Illinois to Algarve. 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 September 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$738FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$741Average$1,087FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$828FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$761Average$953FlexibilityNo cancel feeOn-time70%

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