Algarve

$297+ Cheap flights from Illinois to Algarve

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
Jun 21 — Jun 281
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Algarve with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 16, 2025.

Round-trip from

$489
(oojo)

One-way from

$297
(Flightnetwork)

Popular in

March

Cheapest in

February

Average price

$1,038
From Illinois to Algarve
One-way flight from Illinois to Algarve
High demand for flights, 10% potential price rise
Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 16, 2025.

This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 pmORD - FAO
1 stop17h 20mTAP AIR PORTUGAL
Sat 9/206:05 amFAO - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 6/14$489
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 10/67:15 pmORD - FAO
1 stop31h 35mScandinavian Airlines
Wed 10/159:40 amFAO - ORD
1 stop36h 30mScandinavian Airlines
Deal found 6/14$546
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 10/63:35 pmORD - FAO
1 stop17h 30mLufthansa
Tue 10/143:55 pmFAO - ORD
1 stop26h 35mLufthansa
Deal found 6/14$661
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 10/63:35 pmORD - FAO
2 stops41h 00mUnited Airlines
Wed 10/153:25 pmFAO - ORD
2 stops48h 30mUnited Airlines
Deal found 6/15$671
This Mytrip deal was found by Cheapflights users on 6/14. 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 9/77:25 pmORD - FAO
2 stops18h 40mMultiple Airlines
Thu 9/117:00 amFAO - ORD
2 stops42h 58mMultiple Airlines
Deal found 6/14$693
This British Airways deal was found by Cheapflights users on 6/14. 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.
Wed 10/154:55 pmORD - FAO
1 stop19h 55mBritish Airways
Wed 10/228:00 pmFAO - ORD
1 stop28h 15mBritish Airways
Deal found 6/14$700
This KLM deal was found by Cheapflights users on 6/15. 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 8/34:20 pmORD - FAO
1 stop33h 15mKLM
Mon 8/188:10 pmFAO - ORD
1 stop24h 00mKLM
Deal found 6/15$706
This SWISS deal was found by Cheapflights users on 6/15. 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.
Wed 7/27:05 pmORD - FAO
1 stop16h 35mSWISS
Thu 7/1010:00 amFAO - ORD
2 stops35h 55mSWISS
Deal found 6/15$728
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 9/1412:40 pmORD - FAO
2 stops15h 55mAmerican Airlines
Sat 9/2010:45 pmFAO - ORD
2 stops22h 58mAmerican Airlines
Deal found 6/14$827
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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.
Mon 10/139:15 pmORD - FAO
1 stop15h 45mAer Lingus
Sun 10/197:40 pmFAO - ORD
1 stop24h 20mAer Lingus
Deal found 6/14$897
This Delta deal was found by Cheapflights users on 6/14. 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 7/97:10 pmORD - FAO
2 stops40h 30mDelta
Wed 7/166:40 pmFAO - ORD
1 stop26h 20mDelta
Deal found 6/14$942
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Wed 7/29:40 amMDW - FAO
3 stops22h 05mMultiple Airlines
Thu 7/106:05 amFAO - MDW
3 stops40h 19mMultiple Airlines
Deal found 6/15$1,178

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 June 16, 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

Sun 9/14

6:00 pm-5:20 pm

1 stop17h 20m

Faro

Sat 9/20

6:05 am-4:30 pm

1 stop16h 25m

$489

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 8/27

4:50 pm-9:50 am

1 stop11h 00m

Faro

Thu 9/4

12:05 pm-8:11 pm

1 stop14h 06m

$680

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 9/7

7:25 pm-8:05 pm

2 stops18h 40m

Faro

Thu 9/11

7:00 am-7:58 pm

2 stops42h 58m

$693

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 8/3

4:20 pm-7:35 am

1 stop33h 15m

Faro

Mon 8/18

8:10 pm-2:10 pm

1 stop24h 00m

$706

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 7/2

7:05 pm-5:40 pm

1 stop16h 35m

Faro

Thu 7/10

10:00 am-3:55 pm

2 stops35h 55m

$728

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 9/1

4:00 pm-2:30 pm

1 stop16h 30m

Faro

Sun 9/7

1:25 pm-7:55 pm

1 stop36h 30m

$773

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Tue 7/29

5:10 pm-7:10 pm

2 stops20h 00m

Faro

Tue 8/5

3:35 pm-1:50 pm

1 stop28h 15m

$787

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 9/14

12:40 pm-10:35 am

2 stops15h 55m

Faro

Sat 9/20

10:45 pm-3:43 pm

2 stops22h 58m

$827

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 8/29

7:15 pm-5:55 pm

1 stop16h 40m

Faro

Sat 9/6

6:45 pm-4:10 pm

1 stop27h 25m

$850

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 7/9

7:10 pm-5:40 pm

2 stops40h 30m

Faro

Wed 7/16

6:40 pm-3:00 pm

1 stop26h 20m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 24 results
1
2
3

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 $1,324). 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 June 16, 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.

Rainfall in Algarve by month

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

In terms of precipitation, rainfall in Algarve ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Algarve when rainfall is around 0.1 in.

Temperature in Algarve by month

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

If weather is an important factor for your trip to Algarve, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Algarve

Get insights into the airlines that provide service to Algarve. 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 Algarve. Reviews last updated June 16, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air France from Illinois to Algarve by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What are the cheapest airlines to fly from Illinois to Algarve one-way?

    One-way options have recently been found by users for as low as $297 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include United Airlines from $486 and Air Canada from $491 one-way.

  • 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 $1,324). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Algarve

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Algarve

Discover the top 3 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$543Average$1,187FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$555Average$806FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$828FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.