$323+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
Mar 4 — Mar 111
1 adult, Economy
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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
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Cheapest flights from Illinois to AlgarveExplore 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 February 2, 2026.
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 February 2, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$486
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 4/246:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Sun 5/36:05 am
FAO
- ORD
1 stop15h 55m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$487
This Mytrip deal was found by Cheapflights users on 1/31. 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 4/226:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Thu 4/306:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$500
This Mytrip deal was found by Cheapflights users on 2/1. 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 4/86:00 pm
ORD
- FAO
2 stops23h 25m
Multiple Airlines
Thu 4/167:50 pm
FAO
- ORD
2 stops26h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$517
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 4/67:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Fri 4/177:35 pm
FAO
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Fri 2/206:05 am
FAO
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$551
This KLM deal was found by Cheapflights users on 2/1. 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.
Mon 3/165:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$585
This KLM deal was found by Cheapflights users on 2/1. 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.
Tue 3/171:57 pm
ORD
- FAO
2 stops14h 33m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$590
This KLM deal was found by Cheapflights users on 2/1. 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.
Wed 4/84:50 pm
ORD
- FAO
1 stop20h 40m
KLM
Thu 4/168:30 am
FAO
- ORD
2 stops18h 10m
KLM
Deal found 2/1![KLM logo]()
$594
This KLM deal was found by Cheapflights users on 1/31. 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 3/85:25 pm
ORD
- FAO
1 stop20h 00m
KLM
Mon 3/167:15 pm
FAO
- ORD
2 stops26h 28m
KLM
Deal found 1/31![KLM logo]()
$595
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 3/21:49 pm
MDW
- FAO
2 stops23h 06m
KLM
Mon 3/97:15 pm
FAO
- MDW
2 stops27h 39m
KLM
Deal found 1/31![KLM logo]()
$600
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 3/22:12 pm
ORD
- FAO
2 stops22h 43m
KLM
Mon 3/97:15 pm
FAO
- ORD
2 stops27h 45m
KLM
Deal found 1/31![KLM logo]()
$600
Best flights from Illinois to AlgarveDiscover carefully curated flight deals from Illinois to Algarve that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Illinois to Algarve that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 pm
ORD
- FAO
1 stop17h 20m
TAP AIR PORTUGAL
Thu 4/306:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$486
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 4/67:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Fri 4/177:35 pm
FAO
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$536
This KLM deal was found by Cheapflights users on 2/1. 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.
Tue 3/171:57 pm
ORD
- FAO
2 stops14h 33m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$590
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/175:00 pm
ORD
- FAO
2 stops37h 40m
United Airlines
Mon 3/303:25 pm
FAO
- ORD
2 stops55h 24m
United Airlines
Deal found 2/1![United Airlines logo]()
$605
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:16 pm
ORD
- FAO
2 stops16h 09m
British Airways
Thu 4/304:50 pm
FAO
- ORD
1 stop27h 00m
British Airways
Deal found 1/30![British Airways logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 3/1311:00 am
MDW
- FAO
1 stop15h 30m
Multiple Airlines
Mon 3/3011:45 am
FAO
- MDW
2 stops33h 17m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$918
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 4/176:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$486
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 2/151:29 pm
MDW
- FAO
2 stops13h 46m
Delta
Sat 2/219:15 am
FAO
- MDW
2 stops39h 25m
Delta
Deal found 2/1![Delta logo]()
$1,086
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 3/24:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/97:15 pm
FAO
- ORD
2 stops27h 45m
KLM
Deal found 1/31![KLM logo]()
$595
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:25 pm
ORD
- FAO
1 stop20h 00m
KLM
Mon 3/167:15 pm
FAO
- ORD
2 stops26h 55m
KLM
Deal found 2/2![KLM logo]()
$595
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 3/21:49 pm
MDW
- FAO
2 stops23h 06m
KLM
Mon 3/97:15 pm
FAO
- MDW
2 stops27h 39m
KLM
Deal found 1/31![KLM logo]()
$600
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 2/232:46 pm
ORD
- FAO
2 stops22h 09m
KLM
Mon 3/27:15 pm
FAO
- ORD
2 stops27h 26m
KLM
Deal found 1/31![KLM logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/1711:00 am
MDW
- FAO
1 stop15h 30m
Multiple Airlines
Sun 3/298:05 pm
FAO
- MDW
2 stops48h 57m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 2/1. 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.
Sat 2/144:13 pm
MDW
- FAO
2 stops35h 02m
Delta
Sat 2/219:15 am
FAO
- MDW
2 stops39h 25m
Delta
Deal found 2/1![Delta logo]()
$1,094
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 3/1311:00 am
MDW
- FAO
1 stop15h 30m
Multiple Airlines
Sun 3/298:05 pm
FAO
- MDW
2 stops48h 57m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,058
This KLM deal was found by Cheapflights users on 2/1. 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.
Wed 3/1812:47 pm
MDW
- FAO
2 stops15h 48m
KLM
Wed 3/256:55 pm
FAO
- MDW
2 stops27h 59m
KLM
Deal found 2/1![KLM logo]()
$796
This KLM deal was found by Cheapflights users on 2/1. 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 2/151:29 pm
MDW
- FAO
2 stops13h 46m
KLM
Fri 2/208:10 pm
FAO
- MDW
2 stops26h 04m
KLM
Deal found 2/1![KLM logo]()
$930
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/144:13 pm
MDW
- FAO
2 stops19h 47m
KLM
Fri 2/208:10 pm
FAO
- MDW
2 stops26h 04m
KLM
Deal found 2/1![KLM logo]()
$981
Last-minute flights from Illinois to AlgarveDiscover last-minute flight deals from Illinois to Algarve. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Algarve. Data last updated February 2, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/144:25 pm
ORD
- FAO
1 stop19h 35m
KLM
Fri 2/209:15 am
FAO
- ORD
1 stop35h 05m
KLM
Deal found 2/1![KLM logo]()
$685
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/144:25 pm
ORD
- FAO
1 stop19h 35m
KLM
Sat 2/219:15 am
FAO
- ORD
2 stops20h 41m
KLM
Deal found 2/1![KLM logo]()
$695
This British Airways deal was found by Cheapflights users on 2/1. 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.
Sat 2/149:45 pm
ORD
- FAO
1 stop14h 30m
British Airways
Sat 2/216:50 pm
FAO
- ORD
1 stop25h 00m
British Airways
Deal found 2/1![British Airways logo]()
$746
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/144:13 pm
MDW
- FAO
2 stops19h 47m
KLM
Fri 2/208:10 pm
FAO
- MDW
2 stops26h 04m
KLM
Deal found 2/1![KLM logo]()
$981
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Fri 2/206:05 am
FAO
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$551
This KLM deal was found by Cheapflights users on 2/1. 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 2/1510:35 am
ORD
- FAO
2 stops16h 40m
KLM
Sun 2/226:50 pm
FAO
- ORD
1 stop25h 30m
KLM
Deal found 2/1![KLM logo]()
$640
This British Airways deal was found by Cheapflights users on 2/1. 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.
Sun 2/159:45 pm
ORD
- FAO
1 stop30h 45m
British Airways
Sat 2/216:50 pm
FAO
- ORD
1 stop25h 00m
British Airways
Deal found 2/1![British Airways logo]()
$696
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Sun 2/157:10 pm
ORD
- FAO
1 stop33h 40m
Scandinavian Airlines
Sat 2/2112:00 pm
FAO
- ORD
2 stops58h 45m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$735
This KLM deal was found by Cheapflights users on 2/1. 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 2/151:29 pm
MDW
- FAO
2 stops13h 46m
KLM
Fri 2/208:10 pm
FAO
- MDW
2 stops26h 04m
KLM
Deal found 2/1![KLM logo]()
$930
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 2/151:29 pm
MDW
- FAO
2 stops13h 46m
Delta
Sat 2/219:15 am
FAO
- MDW
2 stops39h 25m
Delta
Deal found 2/1![Delta logo]()
$1,086
This KLM deal was found by Cheapflights users on 1/31. 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.
Mon 2/234:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/27:15 pm
FAO
- ORD
2 stops28h 28m
KLM
Deal found 1/31![KLM logo]()
$595
This Gurufare deal was found by Cheapflights users on 2/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:50 pm
ORD
- FAO
2 stops18h 20m
Multiple Airlines
Mon 3/24:35 pm
FAO
- ORD
2 stops27h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$780
One-way flights from Illinois to AlgarveSearch for one-way flight options from Illinois to Algarve. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Illinois to Algarve. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Sun 3/157:15 am
ORD
- FAO
3 stops33h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:30 am
MDW
- FAO
3 stops44h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$362
This Mytrip deal was found by Cheapflights users on 1/31. 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 5/244:47 pm
ORD
- FAO
2 stops23h 48m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$364
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:20 pm
ORD
- FAO
1 stop33h 30m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 5/157:25 pm
ORD
- FAO
3 stops43h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$373
This Mytrip deal was found by Cheapflights users on 1/31. 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 5/2410:25 am
MDW
- FAO
3 stops30h 10m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$408
This KLM deal was found by Cheapflights users on 2/1. 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.
Fri 5/154:20 pm
ORD
- FAO
1 stop34h 10m
KLM
Deal found 2/1![KLM logo]()
$428
This KLM deal was found by Cheapflights users on 1/31. 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 5/246:36 pm
MDW
- FAO
2 stops32h 29m
KLM
Deal found 1/31![KLM logo]()
$1,012
Find flight deals from Illinois to Algarve
Keep the following information in mind while searching for Illinois to Algarve flight deals. Data was last updated February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $486 (oojo) |
One-way from | $323 (Mytrip) |
Popular in | July |
Cheapest in | February |
Average price | $472 |
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 February 2, 2026.
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
Wed 4/22
6:00 pm-5:20 pm
1 stop17h 20m
Faro
Thu 4/30
6:10 pm-4:00 pm
1 stop27h 50m
$486
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Fri 4/17
6:00 pm-10:25 am
1 stop10h 25m
Faro
Thu 4/23
6:10 pm-4:00 pm
1 stop27h 50m
$486
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 4/6
7:15 pm-9:35 am
2 stops32h 20m
Faro
Fri 4/17
7:35 pm-4:10 pm
2 stops26h 35m
$536
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Tue 3/17
1:57 pm-9:30 am
2 stops14h 33m
Faro
Mon 3/30
9:45 pm-2:15 pm
1 stop22h 30m
$590
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 3/2
4:25 pm-6:55 pm
1 stop20h 30m
Faro
Mon 3/9
7:15 pm-6:00 pm
2 stops27h 45m
$595
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 3/8
5:25 pm-6:25 pm
1 stop20h 00m
Faro
Mon 3/16
7:15 pm-5:10 pm
2 stops26h 55m
$595
ChicagoFaro
MDW - FAO
MDWFAO
Chicago Midway
Mon 3/2
1:49 pm-6:55 pm
2 stops23h 06m
Faro
Mon 3/9
7:15 pm-5:54 pm
2 stops27h 39m
$600
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 2/23
2:46 pm-6:55 pm
2 stops22h 09m
Faro
Mon 3/2
7:15 pm-4:41 pm
2 stops27h 26m
$600
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Tue 3/17
5:00 pm-11:40 am
2 stops37h 40m
Faro
Mon 3/30
3:25 pm-4:49 pm
2 stops55h 24m
$605
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Wed 4/22
4:16 pm-2:25 pm
2 stops16h 09m
Faro
Thu 4/30
4:50 pm-1:50 pm
1 stop27h 00m
$605
Showing 1-10 of 26 results
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.
ORD-FAO
MDW-FAO
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
USIL-zzSAL
ORD-FAO
MDW-FAO
What is the cheapest month to book a flight from Illinois to Algarve?
Currently, December is the cheapest month in which you can book a flight from Illinois to Algarve (average of $405). Flying from Illinois to Algarve in July is currently the most expensive (average of $828). 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.
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.
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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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$733 | Average$828 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$741 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A |