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$535+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
FAO — ORD
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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Find flight deals from Algarve to Illinois

One-way flights from Algarve to Illinois
Search for one-way flight options from Algarve to Illinois. Find affordable one-way fares based on user searches. Data last updated March 8, 2025.

This StudentUniverse deal was found by Cheapflights users on 3/7. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:50 amFAO - ORD
1 stop13h 10mAer Lingus
Deal found 3/7$535
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 8/312:05 pmFAO - ORD
2 stops32h 35mMultiple Airlines
Deal found 3/7$539
This Priceline deal was found by Cheapflights users on 3/7. 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.
Wed 7/236:10 pmFAO - ORD
1 stop28h 00mTAP AIR PORTUGAL
Deal found 3/7$640
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/233:05 pmFAO - ORD
1 stop33h 20mLufthansa
Deal found 3/7$870
This United Airlines deal was found by Cheapflights users on 3/7. 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 7/233:25 pmFAO - ORD
3 stops62h 12mUnited Airlines
Deal found 3/7$1,298
This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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.
Sat 6/143:00 pmFAO - ORD
2 stops24h 11mBritish Airways
Deal found 3/7$2,081

Find flights from Algarve to Illinois within your budget

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 March 8, 2025.

Fly from

Algarve

Fly to

Illinois

Route

Depart

Return

Price

FaroChicago

FAO - ORD

FAOORD

Faro

Sun 8/31

11:50 am-7:00 pm

1 stop13h 10m

$535

FaroChicago

FAO - ORD

FAOORD

Faro

Sun 8/31

2:05 pm-4:40 pm

2 stops32h 35m

$539

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 7/23

6:10 pm-4:10 pm

1 stop28h 00m

$640

FaroChicago

FAO - ORD

FAOORD

Faro

Sun 3/23

3:05 pm-7:25 pm

1 stop33h 20m

$870

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 7/23

3:25 pm-11:37 pm

3 stops62h 12m

$1,298

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 6/14

3:00 pm-9:11 am

2 stops24h 11m

$2,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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.

Travel insights for flights from Algarve to Illinois

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

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 March 8, 2025.
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,649 reviews
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

TAP AIR PORTUGAL
7.1
Good
1,827 reviews
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Aer Lingus
7.0
Good
1,063 reviews
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,957 reviews
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

British Airways
6.6
Okay
6,733 reviews
United Airlines
7.4
Good
8,649 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $535. However, be on the lookout for offers from TAP AIR PORTUGAL and Lufthansa, 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 $326). 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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