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$378+ Cheap flights from Algarve to Illinois

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
FAO — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Algarve to Illinois

Keep the following information in mind while searching for Algarve to Illinois flight deals. Data was last updated May 1, 2025.

Round-trip from

$814
(United Airlines)

One-way from

$378
(Kiwi.com)
From Algarve to Illinois
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One-way flight from Algarve to Illinois
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Find flight deals from Algarve to Illinois

Cheapest flights from Algarve to Illinois
Explore the most affordable flight options available from Algarve to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Thu 5/17:40 pmFAO - ORD
2 stops26h 30mMultiple Airlines
Wed 5/710:15 pmORD - FAO
2 stops19h 10mMultiple Airlines
Deal found 4/30$792
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/143:25 pmFAO - ORD
1 stop27h 30mUnited Airlines
Sat 6/218:52 amORD - FAO
2 stops23h 43mUnited Airlines
Deal found 4/30$814
This SWISS deal was found by Cheapflights users on 4/30. 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.
Sat 6/147:10 pmFAO - ORD
1 stop23h 00mSWISS
Sat 6/217:05 pmORD - FAO
1 stop30h 30mSWISS
Deal found 4/30$821
This British Airways deal was found by Cheapflights users on 4/30. 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.
Thu 5/17:40 pmFAO - ORD
1 stop25h 05mBritish Airways
Wed 5/77:15 pmORD - FAO
1 stop17h 35mBritish Airways
Deal found 4/30$900
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Wed 10/111:40 amFAO - ORD
1 stop13h 20mAer Lingus
Wed 10/19:15 pmORD - FAO
1 stop31h 15mAer Lingus
Deal found 4/29$1,233
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Wed 10/16:05 amFAO - ORD
2 stops18h 10mLufthansa
Wed 10/19:40 pmORD - FAO
2 stops30h 45mLufthansa
Deal found 4/29$3,387

Cheapflights Fare Finder

Customize your flight search to find flights from Algarve to Illinois 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 May 1, 2025.
Use the filters below to find and compare flights from Algarve to Illinois that are best for you.

Fly from

Algarve

Fly to

Illinois

Route

Depart

Return

Price

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

3:25 pm-12:55 pm

1 stop27h 30m

Chicago O'Hare Intl

Sat 6/21

8:52 am-2:35 pm

2 stops23h 43m

$814

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

7:10 pm-12:10 pm

1 stop23h 00m

Chicago O'Hare Intl

Sat 6/21

7:05 pm-7:35 am

1 stop30h 30m

$821

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

8:40 am-12:10 pm

2 stops33h 30m

Chicago O'Hare Intl

Sat 6/21

2:00 pm-11:30 pm

3 stops27h 30m

$899

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 10/1

11:40 am-7:00 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 10/1

9:15 pm-10:30 am

1 stop31h 15m

$1,233

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 10/1

6:05 am-6:15 pm

2 stops18h 10m

Chicago O'Hare Intl

Wed 10/1

9:40 pm-10:25 am

2 stops30h 45m

$3,387

FaroChicago

FAO - ORD

FAOORD

Faro

Tue 6/17

10:25 am-6:37 am

2 stops26h 12m

$378

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 5/10

10:45 pm-2:00 pm

1 stop21h 15m

$518

FaroChicago

FAO - ORD

FAOORD

Faro

Tue 6/17

11:30 am-1:50 pm

1 stop32h 20m

$671

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

6:05 am-4:10 pm

1 stop16h 05m

$1,630

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

12:10 pm-11:25 am

2 stops29h 15m

$2,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
1
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Best time to book a flight from Algarve to Illinois

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

Rainfall in Illinois by month

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

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

Temperature in Illinois by month

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

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

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 1, 2025.
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan
SWISS
7.5
Good
1,588 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan
United Airlines
7.4
Good
8,696 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan
Brussels Airlines
7.4
Good
346 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan
TAP AIR PORTUGAL
7.1
Good
1,852 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Comfort

7.4

Food

7.0

Entertainment

6.7

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Related info for your journey

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $518. However, be on the lookout for offers from American Airlines and TAP AIR PORTUGAL, as they are both options that can get you from Algarve to Illinois for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Algarve to Illinois (average of $245). Flying from Algarve to Illinois in March is currently the most expensive (average of $321). 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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