Algarve

$397+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
may. 5 — may. 121
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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$516
(TAP AIR PORTUGAL)

One-way from

$397
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$623
Provider with most accurate pricing for Chicago (CHI)-Faro flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Faro flights.
From Illinois to Algarve
One-way flight from Illinois to Algarve
High demand for flights, 9% potential price rise
Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in April 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 abril 30, 2025.

This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:10 pmORD - FAO
1 stop17h 10mTAP AIR PORTUGAL
dom. 9/216:10 pmFAO - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 4/29$516
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/217:15 pmORD - FAO
2 stops41h 30mScandinavian Airlines
sáb. 9/67:35 pmFAO - ORD
2 stops50h 35mScandinavian Airlines
Deal found 4/29$533
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:31 pmORD - FAO
2 stops29h 54mMultiple Airlines
mar. 9/304:45 pmFAO - ORD
1 stop25h 25mMultiple Airlines
Deal found 4/30$641
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/1012:08 pmORD - FAO
2 stops16h 32mAmerican Airlines
sáb. 5/178:00 pmFAO - ORD
1 stop27h 00mAmerican Airlines
Deal found 4/30$777
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/184:00 pmORD - FAO
2 stops17h 05mLufthansa
lun. 9/223:55 pmFAO - ORD
2 stops27h 00mLufthansa
Deal found 4/30$784
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/244:55 pmORD - FAO
1 stop13h 25mBritish Airways
mar. 9/93:35 pmFAO - ORD
1 stop30h 20mBritish Airways
Deal found 4/29$804
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.
lun. 9/811:25 amORD - FAO
2 stops30h 25mTurkish Airlines
dom. 9/146:05 amFAO - ORD
2 stops45h 55mTurkish Airlines
Deal found 4/29$878
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/216:00 amORD - FAO
2 stops26h 35mUnited Airlines
jue. 9/1112:05 pmFAO - ORD
1 stop14h 06mUnited Airlines
Deal found 4/29$881
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/104:20 pmORD - FAO
1 stop13h 30mKLM
mar. 6/177:55 pmFAO - ORD
1 stop24h 15mKLM
Deal found 4/30$893
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/102:00 pmORD - FAO
2 stops17h 10mAir Canada
sáb. 5/171:45 pmFAO - ORD
2 stops31h 20mAir Canada
Deal found 4/30$953
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/2410:08 amORD - FAO
2 stops19h 42mIberia
lun. 9/812:30 pmFAO - ORD
1 stop31h 45mIberia
Deal found 4/29$1,011
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/279:25 pmORD - FAO
2 stops31h 55mBrussels Airlines
lun. 8/412:10 pmFAO - ORD
2 stops29h 15mBrussels Airlines
Deal found 4/30$1,016

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 abril 30, 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

lun. 9/15

6:10 pm-5:20 pm

1 stop17h 10m

Faro

dom. 9/21

6:10 pm-4:40 pm

1 stop28h 30m

$516

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

jue. 8/21

7:15 pm-6:45 pm

2 stops41h 30m

Faro

sáb. 9/6

7:35 pm-4:10 pm

2 stops50h 35m

$533

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

mar. 9/16

9:31 pm-9:25 am

2 stops29h 54m

Faro

mar. 9/30

4:45 pm-12:10 pm

1 stop25h 25m

$641

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

sáb. 5/10

12:08 pm-10:40 am

2 stops16h 32m

Faro

sáb. 5/17

8:00 pm-5:00 pm

1 stop27h 00m

$777

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

jue. 9/18

4:00 pm-3:05 pm

2 stops17h 05m

Faro

lun. 9/22

3:55 pm-12:55 pm

2 stops27h 00m

$784

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

dom. 8/24

4:55 pm-12:20 pm

1 stop13h 25m

Faro

mar. 9/9

3:35 pm-3:55 pm

1 stop30h 20m

$804

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

lun. 9/8

11:25 am-11:50 pm

2 stops30h 25m

Faro

dom. 9/14

6:05 am-10:00 pm

2 stops45h 55m

$878

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

jue. 8/21

6:00 am-2:35 pm

2 stops26h 35m

Faro

jue. 9/11

12:05 pm-8:11 pm

1 stop14h 06m

$881

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

mar. 6/10

4:20 pm-11:50 am

1 stop13h 30m

Faro

mar. 6/17

7:55 pm-2:10 pm

1 stop24h 15m

$893

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

sáb. 5/10

2:00 pm-1:10 pm

2 stops17h 10m

Faro

sáb. 5/17

1:45 pm-3:05 pm

2 stops31h 20m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 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 abril 30, 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 abril 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS 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

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $456 on SWISS. Other airlines that offer cheap prices include Air Canada from $587 and United Airlines from $711 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$829FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$793FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$719Average$1,265FlexibilityNo cancel feeOn-timeN/A

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.