$344+ Cheap flights from Illinois to Spain
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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to SpainExplore the most affordable flight options available from Illinois to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Illinois to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This oojo deal was found by Cheapflights users on 5/6. 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.
Thu 9/247:15 pm
ORD
- PMI
1 stop17h 55m
Scandinavian Airlines
Fri 10/29:55 am
PMI
- ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$595
This oojo deal was found by Cheapflights users on 5/5. 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 11/257:15 pm
ORD
- AGP
1 stop15h 25m
Scandinavian Airlines
Sun 12/68:15 pm
AGP
- ORD
1 stop27h 30m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:20 pm
ORD
- AGP
1 stop17h 00m
Scandinavian Airlines
Sat 11/142:35 pm
AGP
- ORD
2 stops33h 10m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$599
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:20 pm
ORD
- AGP
1 stop15h 20m
Scandinavian Airlines
Tue 12/16:30 pm
AGP
- ORD
1 stop29h 15m
Scandinavian Airlines
Deal found 5/1![Scandinavian Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 11/88:10 pm
ORD
- MAD
1 stop10h 55m
TAP AIR PORTUGAL
Sun 11/157:40 am
MAD
- ORD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 5/4![TAP AIR PORTUGAL logo]()
$613
This eDestinos deal was found by Cheapflights users on 5/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:20 pm
ORD
- MAD
1 stop13h 50m
Scandinavian Airlines
Wed 11/255:00 pm
MAD
- ORD
1 stop30h 45m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$619
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 pm
ORD
- MAD
1 stop11h 40m
TAP AIR PORTUGAL
Wed 11/47:40 am
MAD
- ORD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 5/2![TAP AIR PORTUGAL logo]()
$626
This eDestinos deal was found by Cheapflights users on 5/5. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 pm
ORD
- MAD
1 stop11h 45m
Iberia
Wed 11/254:40 pm
MAD
- ORD
Nonstop9h 10m
Iberia
Deal found 5/5![Iberia logo]()
$627
This Gotogate deal was found by Cheapflights users on 5/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:10 pm
ORD
- MAD
1 stop20h 20m
TAP AIR PORTUGAL
Wed 11/257:40 am
MAD
- ORD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 5/5![TAP AIR PORTUGAL logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm
ORD
- MAD
1 stop14h 00m
TAP AIR PORTUGAL
Sun 11/157:40 am
MAD
- ORD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 5/3![TAP AIR PORTUGAL logo]()
$633
This Booking.com deal was found by Cheapflights users on 5/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm
ORD
- BCN
1 stop39h 15m
TAP AIR PORTUGAL
Sun 11/86:45 am
BCN
- ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 5/3![TAP AIR PORTUGAL logo]()
$633
This KAYAK deal was found by Cheapflights users on 5/1. 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 11/88:10 pm
ORD
- BCN
1 stop17h 10m
TAP AIR PORTUGAL
Wed 11/186:45 am
BCN
- ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 5/1![TAP AIR PORTUGAL logo]()
$634
Best flights from Illinois to SpainDiscover carefully curated flight deals from Illinois to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Illinois to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sun 5/108:45 am
ORD
- BCN
1 stop16h 15m
United Airlines
Wed 5/203:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$733
This ITA Airways deal was found by Cheapflights users on 5/4. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:00 pm
ORD
- BCN
1 stop12h 50m
ITA Airways
Tue 8/184:50 pm
BCN
- ORD
1 stop27h 20m
ITA Airways
Deal found 5/4![ITA Airways logo]()
$740
This Turkish Airlines deal was found by Cheapflights users on 5/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:25 am
ORD
- SVQ
1 stop23h 10m
Turkish Airlines
Fri 9/116:35 pm
SVQ
- ORD
1 stop22h 05m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 5/1. 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 5/1711:26 am
ORD
- BCN
1 stop18h 24m
Delta
Wed 5/271:25 pm
BCN
- ORD
2 stops16h 10m
Delta
Deal found 5/1![Delta logo]()
$780
This Finnair deal was found by Cheapflights users on 5/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:40 pm
STL
- BCN
1 stop15h 40m
Multiple Airlines
Sun 9/277:20 pm
BCN
- STL
1 stop20h 56m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$832
This KLM deal was found by Cheapflights users on 5/3. 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.
Tue 7/285:10 pm
ORD
- PMI
1 stop14h 15m
KLM
Tue 8/1111:55 pm
PMI
- ORD
1 stop21h 35m
KLM
Deal found 5/3![KLM logo]()
$875
This SWISS deal was found by Cheapflights users on 5/5. 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.
Sun 5/102:20 pm
ORD
- AGP
1 stop15h 05m
SWISS
Wed 5/206:30 am
AGP
- ORD
1 stop13h 05m
SWISS
Deal found 5/5![SWISS logo]()
$893
This British Airways deal was found by Cheapflights users on 5/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:00 am
ORD
- BIO
2 stops16h 30m
British Airways
Mon 8/39:35 pm
BIO
- ORD
1 stop25h 25m
British Airways
Deal found 5/3![British Airways logo]()
$899
This Virgin Atlantic deal was found by Cheapflights users on 5/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:05 am
MDW
- MAD
1 stop18h 10m
Virgin Atlantic
Sat 7/189:50 am
MAD
- MDW
1 stop19h 25m
Virgin Atlantic
Deal found 5/2![Virgin Atlantic logo]()
$1,148
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 5/187:00 am
ORD
- BCN
1 stop18h 35m
Delta
Tue 5/2611:10 am
BCN
- ORD
2 stops17h 10m
Delta
Deal found 5/1![Delta logo]()
$780
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/296:40 am
STL
- MAD
2 stops19h 10m
United Airlines
Fri 10/91:30 pm
MAD
- STL
2 stops33h 56m
United Airlines
Deal found 5/5![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/1710:02 pm
ORD
- BCN
1 stop27h 18m
United Airlines
Mon 6/11:25 pm
BCN
- ORD
1 stop30h 10m
United Airlines
Deal found 5/3![United Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 9/297:20 am
STL
- MAD
2 stops19h 35m
Delta
Fri 10/912:45 pm
MAD
- STL
2 stops17h 54m
Delta
Deal found 5/1![Delta logo]()
$800
This Lufthansa deal was found by Cheapflights users on 5/5. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/102:20 pm
ORD
- AGP
1 stop15h 05m
Multiple Airlines
Fri 5/221:00 pm
AGP
- ORD
1 stop13h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$892
This KLM deal was found by Cheapflights users on 5/5. 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 8/185:10 pm
ORD
- SVQ
1 stop16h 20m
KLM
Thu 9/38:20 pm
SVQ
- ORD
1 stop24h 55m
KLM
Deal found 5/5![KLM logo]()
$897
This Turkish Airlines deal was found by Cheapflights users on 5/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:25 am
ORD
- SVQ
1 stop23h 10m
Turkish Airlines
Wed 9/211:50 am
SVQ
- ORD
1 stop28h 50m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 5/4. 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 10/77:20 am
STL
- MAD
2 stops19h 35m
Delta
Wed 10/2112:45 pm
MAD
- STL
2 stops17h 54m
Delta
Deal found 5/4![Delta logo]()
$800
This British Airways deal was found by Cheapflights users on 5/5. 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.
Thu 8/2710:16 am
STL
- BCN
1 stop16h 54m
British Airways
Sat 9/510:30 am
BCN
- STL
1 stop20h 29m
British Airways
Deal found 5/5![British Airways logo]()
$994
This KLM deal was found by Cheapflights users on 5/1. 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 7/54:20 pm
ORD
- AGP
1 stop34h 25m
KLM
Wed 7/151:25 pm
AGP
- ORD
1 stop31h 50m
KLM
Deal found 5/1![KLM logo]()
$910
This KLM deal was found by Cheapflights users on 5/1. 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 7/54:20 pm
ORD
- AGP
1 stop20h 10m
Multiple Airlines
Wed 7/156:00 am
AGP
- ORD
2 stops17h 23m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$927
This SWISS deal was found by Cheapflights users on 5/4. 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.
Fri 5/292:20 pm
ORD
- AGP
1 stop18h 00m
SWISS
Mon 6/81:15 pm
AGP
- ORD
1 stop33h 40m
SWISS
Deal found 5/4![SWISS logo]()
$1,056
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 8/155:32 pm
STL
- MAD
2 stops32h 18m
United Airlines
Fri 8/286:00 am
MAD
- STL
1 stop14h 25m
United Airlines
Deal found 5/1![United Airlines logo]()
$879
This Delta deal was found by Cheapflights users on 5/5. 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 10/219:00 am
STL
- MAD
2 stops17h 55m
Delta
Fri 10/3010:00 am
MAD
- STL
2 stops19h 39m
Delta
Deal found 5/5![Delta logo]()
$801
This KLM deal was found by Cheapflights users on 5/6. 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 7/201:24 pm
ORD
- PMI
2 stops13h 56m
Multiple Airlines
Tue 8/411:10 am
PMI
- ORD
1 stop35h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$930
This British Airways deal was found by Cheapflights users on 5/2. 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.
Mon 5/119:15 pm
ORD
- PMI
1 stop15h 20m
British Airways
Sun 5/179:50 pm
PMI
- ORD
1 stop23h 35m
British Airways
Deal found 5/2![British Airways logo]()
$1,026
This KLM deal was found by Cheapflights users on 5/1. 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 5/107:00 pm
ORD
- AGP
2 stops14h 35m
KLM
Thu 5/215:25 pm
AGP
- ORD
1 stop27h 50m
KLM
Deal found 5/1![KLM logo]()
$935
This Virgin Atlantic deal was found by Cheapflights users on 5/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:10 pm
MDW
- BCN
1 stop12h 40m
Virgin Atlantic
Wed 7/2211:00 am
BCN
- MDW
1 stop18h 15m
Virgin Atlantic
Deal found 5/2![Virgin Atlantic logo]()
$1,178
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:02 am
ORD
- MAD
1 stop21h 13m
Delta
Tue 8/181:05 pm
MAD
- ORD
1 stop32h 25m
Delta
Deal found 5/3![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/189:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Thu 5/283:15 pm
BCN
- ORD
Nonstop9h 45m
United Airlines
Deal found 5/6![United Airlines logo]()
$887
This KLM deal was found by Cheapflights users on 5/2. 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.
Mon 6/17:00 pm
ORD
- BIO
2 stops14h 30m
KLM
Mon 6/85:15 pm
BIO
- ORD
1 stop28h 00m
KLM
Deal found 5/2![KLM logo]()
$948
Last-minute flights from Illinois to SpainDiscover last-minute flight deals from Illinois to Spain. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Spain. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 5/56:00 am
MDW
- BCN
1 stop23h 50m
Delta
Tue 5/1911:00 am
BCN
- MDW
1 stop17h 09m
Delta
Deal found 5/4![Delta logo]()
$736
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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.
Wed 5/62:20 pm
ORD
- BCN
1 stop11h 30m
SWISS
Wed 5/136:00 am
BCN
- ORD
1 stop13h 35m
SWISS
Deal found 5/5![SWISS logo]()
$709
This AirNGo deal was found by Cheapflights users on 5/5. 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.
Sat 5/94:30 pm
ORD
- BCN
1 stop33h 05m
Virgin Atlantic
Fri 5/2211:00 am
BCN
- ORD
1 stop16h 26m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$702
This Gotogate deal was found by Cheapflights users on 5/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:35 pm
ORD
- BCN
1 stop32h 45m
Multiple Airlines
Fri 5/228:00 am
BCN
- ORD
1 stop18h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$712
This Cheapflightsfares deal was found by Cheapflights users on 5/4. 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.
Sun 5/102:20 pm
ORD
- BCN
1 stop11h 30m
Multiple Airlines
Fri 5/221:40 pm
BCN
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$703
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:15 pm
ORD
- BCN
Nonstop8h 40m
Finnair
Wed 5/2010:45 am
BCN
- ORD
1 stop16h 12m
Finnair
Deal found 5/1![Finnair logo]()
$726
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/109:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Wed 5/203:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 5/6![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 5/6. 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 5/1012:53 pm
MDW
- BCN
1 stop16h 57m
Delta
Fri 5/2211:00 am
BCN
- MDW
1 stop17h 09m
Delta
Deal found 5/6![Delta logo]()
$744
This lol.travel deal was found by Cheapflights users on 5/6. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:15 pm
ORD
- BCN
Nonstop8h 40m
Finnair
Wed 5/2710:45 am
BCN
- ORD
1 stop15h 48m
Finnair
Deal found 5/6![Finnair logo]()
$721
This Cheapflightsfares deal was found by Cheapflights users on 5/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:20 pm
ORD
- BCN
1 stop11h 30m
Multiple Airlines
Tue 6/26:40 am
BCN
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$731
This AirNGo deal was found by Cheapflights users on 5/5. 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.
Mon 5/115:10 pm
MDW
- BCN
1 stop12h 40m
Virgin Atlantic
Wed 5/2711:00 am
BCN
- MDW
1 stop17h 09m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$732
This AirNGo deal was found by Cheapflights users on 5/5. 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.
Mon 5/117:00 am
ORD
- BCN
1 stop18h 35m
Virgin Atlantic
Wed 5/2711:00 am
BCN
- ORD
1 stop14h 41m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$732
One-way flights from Illinois to SpainSearch for one-way flight options from Illinois to Spain. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Illinois to Spain. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Mytrip deal was found by Cheapflights users on 5/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:25 pm
ORD
- PMI
2 stops19h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$344
This FlightHub deal was found by Cheapflights users on 5/2. 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.
Sat 8/13:40 pm
ORD
- PMI
1 stop33h 50m
Air Canada
Deal found 5/2![Air Canada logo]()
$345
This United Airlines deal was found by Cheapflights users on 5/6. 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 8/47:00 am
ORD
- AGP
2 stops17h 35m
United Airlines
Deal found 5/6![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sun 8/169:00 pm
ORD
- BIO
1 stop13h 25m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$347
This oojo deal was found by Cheapflights users on 5/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:05 pm
STL
- BCN
2 stops14h 00m
British Airways
Deal found 5/3![British Airways logo]()
$352
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:00 pm
ORD
- BIO
2 stops14h 45m
American Airlines
Deal found 5/1![American Airlines logo]()
$356
This oojo deal was found by Cheapflights users on 5/5. 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 10/287:01 am
STL
- BCN
1 stop19h 49m
British Airways
Deal found 5/5![British Airways logo]()
$361
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 10/287:01 am
STL
- BCN
1 stop19h 49m
American Airlines
Deal found 5/4![American Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:25 pm
ORD
- BIO
3 stops37h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sun 8/2310:25 pm
ORD
- SVQ
3 stops29h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 8/1810:25 pm
ORD
- SVQ
3 stops28h 30m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Wed 10/289:35 am
STL
- BCN
2 stops16h 50m
Iberia
Deal found 5/4![Iberia logo]()
$371
Find flight deals from Illinois to Spain
Keep the following information in mind while searching for Illinois to Spain flight deals. Data was last updated May 6, 2026.
Round-trip from | $626 (Gotogate) |
|---|---|
One-way from | $344 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $845 |
Good round-trip deal | $840 or less |
Good one-way deal | $463 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Spain 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 May 6, 2026.
Use the filters below to find and compare flights from Illinois to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 5/10
8:45 am-8:00 am
1 stop16h 15m
Barcelona-El Prat
Wed 5/20
3:15 pm-5:45 pm
Nonstop9h 30m
$733
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 8/4
3:00 pm-10:50 am
1 stop12h 50m
Barcelona-El Prat
Tue 8/18
4:50 pm-1:10 pm
1 stop27h 20m
$740
ChicagoSeville
ORD - SVQ
ORDSVQ
Chicago O'Hare Intl
Sat 9/5
11:25 am-5:35 pm
1 stop23h 10m
Sevilla
Fri 9/11
6:35 pm-9:40 am
1 stop22h 05m
$748
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 5/17
11:26 am-12:50 pm
1 stop18h 24m
Barcelona-El Prat
Wed 5/27
1:25 pm-10:35 pm
2 stops16h 10m
$780
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Mon 5/18
7:00 am-8:35 am
1 stop18h 35m
Barcelona-El Prat
Tue 5/26
11:10 am-9:20 pm
2 stops17h 10m
$780
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Tue 9/29
6:40 am-8:50 am
2 stops19h 10m
Madrid Barajas
Fri 10/9
1:30 pm-4:26 pm
2 stops33h 56m
$789
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 5/17
10:02 pm-8:20 am
1 stop27h 18m
Barcelona-El Prat
Mon 6/1
1:25 pm-12:35 pm
1 stop30h 10m
$791
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Tue 9/29
7:20 am-9:55 am
2 stops19h 35m
Madrid Barajas
Fri 10/9
12:45 pm-11:39 pm
2 stops17h 54m
$800
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Wed 10/7
7:20 am-9:55 am
2 stops19h 35m
Madrid Barajas
Wed 10/21
12:45 pm-11:39 pm
2 stops17h 54m
$800
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Wed 10/21
9:00 am-9:55 am
2 stops17h 55m
Madrid Barajas
Fri 10/30
10:00 am-11:39 pm
2 stops19h 39m
$801
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Illinois with our price prediction graph.
ORD-BCN
ORD-SVQ
STL-BCN
ORD-PMI
ORD-AGP
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 Spain
USIL-ES0
ORD-BCN
ORD-SVQ
STL-BCN
ORD-PMI
How far ahead should I book a flight from Illinois to Spain?
The price you pay for your flight from Illinois to Spain may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Illinois to Spain?
Currently, November is the cheapest month in which you can book a flight from Illinois to Spain (average of $519). Flying from Illinois to Spain in June is currently the most expensive (average of $1,197). 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 ES?
Find hourly flight availability from Illinois to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Spain as you normally would.
Weekly flight availability from Illinois to Spain
Explore weekly flight availability from Illinois to Spain. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 6, 2026.
The most flights from USIL to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
Related info for your journey
Find useful and relevant information for your journey from Illinois to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Illinois to Spain
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Spain by cabin class
Find flights from Illinois to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Spain flights
Browse other Illinois and Spain flight options. Last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Spain
Find the right flight back to Illinois after your stay in Spain
Illinois to Spain flights
Consider these flights traveling from Illinois to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
Top 10 airlines flying from Illinois to Spain
Discover the top 10 airlines that operate flights from Illinois to Spain. 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$288 | Average$649 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$613 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$353 | Average$716 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$356 | Average$466 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$621 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$393 | Average$803 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$631 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$423 | Average$912 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$423 | Average$775 | FlexibilityNo cancel fee | On-time70% |