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$412+ Cheap flights from Algarve to Illinois

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
FAO — ORD
ago. 9 — ago. 161
sáb. 8/9
sáb. 8/16
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 agosto 4, 2025.

Round-trip from

$662
(KLM)
From Algarve to Illinois
Search Deals

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 agosto 4, 2025.

This Booking.com deal was found by Cheapflights users on 8/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:10 pmFAO - ORD
1 stop29h 35mScandinavian Airlines
dom. 12/77:20 pmORD - FAO
1 stop32h 40mScandinavian Airlines
Deal found 8/2$412
This AirNGo deal was found by Cheapflights users on 8/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/236:05 amFAO - ORD
1 stop14h 55mTAP AIR PORTUGAL
dom. 12/78:25 pmORD - FAO
1 stop21h 25mTAP AIR PORTUGAL
Deal found 8/2$564
This KLM deal was found by Cheapflights users on 8/3. 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.
jue. 8/288:20 pmFAO - ORD
1 stop23h 50mKLM
lun. 9/14:40 pmORD - FAO
1 stop33h 20mKLM
Deal found 8/3$662
This British Airways deal was found by Cheapflights users on 8/2. 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.
jue. 11/207:40 pmFAO - ORD
1 stop27h 20mBritish Airways
jue. 12/44:28 pmORD - FAO
2 stops18h 17mBritish Airways
Deal found 8/2$669
This Mytrip deal was found by Cheapflights users on 8/2. 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.
dom. 11/2311:15 amFAO - ORD
3 stops35h 30mMultiple Airlines
dom. 12/77:20 pmORD - FAO
3 stops33h 05mMultiple Airlines
Deal found 8/2$753
This SWISS deal was found by Cheapflights users on 8/3. 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.
jue. 8/286:30 pmFAO - ORD
2 stops23h 25mSWISS
lun. 9/17:05 pmORD - FAO
1 stop17h 20mSWISS
Deal found 8/3$829
This United Airlines deal was found by Cheapflights users on 8/3. 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.
jue. 8/712:05 pmFAO - ORD
2 stops25h 34mUnited Airlines
vie. 8/295:55 pmORD - FAO
1 stop34h 45mUnited Airlines
Deal found 8/3$1,163
This FlightHub deal was found by Cheapflights users on 8/2. 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.
jue. 8/73:20 pmFAO - ORD
1 stop30h 25mAer Lingus
vie. 8/299:15 pmORD - FAO
1 stop15h 45mAer Lingus
Deal found 8/2$1,170

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 agosto 4, 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

sáb. 11/22

5:10 pm-4:45 pm

1 stop29h 35m

Chicago O'Hare Intl

dom. 12/7

7:20 pm-10:00 am

1 stop32h 40m

$412

FaroChicago

FAO - ORD

FAOORD

Faro

dom. 11/23

6:05 am-3:00 pm

1 stop14h 55m

Chicago O'Hare Intl

dom. 12/7

8:25 pm-11:50 pm

1 stop21h 25m

$564

FaroChicago

FAO - ORD

FAOORD

Faro

jue. 8/28

8:20 pm-2:10 pm

1 stop23h 50m

Chicago O'Hare Intl

lun. 9/1

4:40 pm-8:00 am

1 stop33h 20m

$662

FaroChicago

FAO - ORD

FAOORD

Faro

jue. 11/20

7:40 pm-5:00 pm

1 stop27h 20m

Chicago O'Hare Intl

jue. 12/4

4:28 pm-4:45 pm

2 stops18h 17m

$669

FaroChicago

FAO - ORD

FAOORD

Faro

dom. 11/23

11:15 am-4:45 pm

3 stops35h 30m

Chicago O'Hare Intl

dom. 12/7

7:20 pm-10:25 am

3 stops33h 05m

$753

FaroChicago

FAO - ORD

FAOORD

Faro

jue. 8/28

6:30 pm-11:55 am

2 stops23h 25m

Chicago O'Hare Intl

lun. 9/1

7:05 pm-6:25 pm

1 stop17h 20m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

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
No data available for this route at this time. Please check back soon.

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 agosto 4, 2025.
Peruse reviews from past customers who have flown with KLM, SWISS, and United Airlines from Algarve to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.6
Good
1,687 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,912 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.4
Good
1,461 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,197 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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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