$324+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
May 8 — May 151
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 April 8, 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 April 8, 2026.
This eDestinos deal was found by Cheapflights users on 4/7. 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.
Wed 9/168:10 pm
ORD
- SVQ
1 stop38h 25m
Turkish Airlines
Tue 9/226:35 pm
SVQ
- ORD
1 stop22h 05m
Turkish Airlines
Deal found 4/7![Turkish Airlines logo]()
$510
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:25 am
ORD
- BCN
1 stop16h 20m
Turkish Airlines
Wed 5/67:40 am
BCN
- ORD
1 stop17h 35m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$522
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Wed 5/67:40 am
BCN
- ORD
1 stop33h 00m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$525
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:15 pm
ORD
- MAD
1 stop17h 05m
TAP AIR PORTUGAL
Sat 11/219:10 pm
MAD
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$526
This oojo deal was found by Cheapflights users on 4/6. 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.
Fri 11/68:10 pm
ORD
- MAD
1 stop14h 00m
TAP AIR PORTUGAL
Sun 11/157:40 am
MAD
- ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$529
This Justfly.com deal was found by Cheapflights users on 4/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm
ORD
- BCN
1 stop11h 45m
TAP AIR PORTUGAL
Tue 11/179:10 pm
BCN
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 4/3![TAP AIR PORTUGAL logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 pm
ORD
- MAD
1 stop11h 40m
TAP AIR PORTUGAL
Sun 11/17:40 am
MAD
- ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$532
This FlightHub deal was found by Cheapflights users on 4/3. 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.
Sun 4/128:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Tue 4/2112:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/3![Turkish Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 11/138:10 pm
ORD
- MAD
1 stop10h 55m
TAP AIR PORTUGAL
Wed 11/187:40 am
MAD
- ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$533
This oojo deal was found by Cheapflights users on 4/6. 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.
Sun 11/18:15 pm
ORD
- BCN
1 stop14h 00m
TAP AIR PORTUGAL
Sat 11/146:05 pm
BCN
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$534
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
- MAD
1 stop18h 10m
TAP AIR PORTUGAL
Wed 5/67:40 am
MAD
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$535
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:25 am
ORD
- BCN
1 stop23h 15m
Turkish Airlines
Thu 4/2312:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$535
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 April 8, 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 April 8, 2026.
This Turkish Airlines deal was found by Cheapflights users on 4/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:25 am
ORD
- SVQ
1 stop23h 10m
Turkish Airlines
Mon 9/2111:35 am
SVQ
- ORD
1 stop29h 05m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 4/7. 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 10/31:00 pm
ORD
- PMI
2 stops36h 30m
United Airlines
Fri 10/1610:00 am
PMI
- ORD
1 stop15h 57m
United Airlines
Deal found 4/7![United Airlines logo]()
$637
This British Airways deal was found by Cheapflights users on 4/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:41 am
ORD
- BCN
1 stop13h 54m
British Airways
Thu 4/2310:30 am
BCN
- ORD
Nonstop9h 50m
British Airways
Deal found 4/6![British Airways logo]()
$704
This KLM deal was found by Cheapflights users on 4/6. 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 4/2012:52 pm
MDW
- BCN
1 stop16h 58m
KLM
Tue 4/2811:00 am
BCN
- MDW
1 stop18h 28m
KLM
Deal found 4/6![KLM logo]()
$714
This Delta deal was found by Cheapflights users on 4/3. 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.
Wed 4/1511:00 am
ORD
- BCN
2 stops16h 15m
Delta
Sun 4/266:20 am
BCN
- ORD
1 stop14h 55m
Delta
Deal found 4/3![Delta logo]()
$768
This Turkish Airlines deal was found by Cheapflights users on 4/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:25 am
ORD
- BIO
2 stops24h 20m
Multiple Airlines
Sun 9/276:20 pm
BIO
- ORD
1 stop22h 20m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$778
This Scandinavian Airlines deal was found by Cheapflights users on 4/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:15 pm
ORD
- AGP
1 stop18h 05m
Scandinavian Airlines
Sat 5/238:10 pm
AGP
- ORD
1 stop27h 00m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$821
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/4. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:50 pm
ORD
- MAD
1 stop18h 35m
TAP AIR PORTUGAL
Mon 9/711:05 am
MAD
- ORD
2 stops28h 43m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$833
This Virgin Atlantic deal was found by Cheapflights users on 4/4. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:22 pm
MDW
- MAD
2 stops13h 33m
Virgin Atlantic
Thu 5/149:50 am
MAD
- MDW
2 stops15h 43m
Virgin Atlantic
Deal found 4/4![Virgin Atlantic logo]()
$927
This Lufthansa deal was found by Cheapflights users on 4/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:30 pm
STL
- MAD
1 stop21h 20m
Lufthansa
Sun 9/135:15 pm
MAD
- STL
1 stop27h 10m
Lufthansa
Deal found 4/3![Lufthansa logo]()
$996
This SWISS deal was found by Cheapflights users on 4/6. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:05 pm
ORD
- PMI
1 stop12h 00m
SWISS
Thu 8/139:15 pm
PMI
- ORD
2 stops22h 20m
SWISS
Deal found 4/6![SWISS logo]()
$1,049
This Turkish Airlines deal was found by Cheapflights users on 4/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:25 am
ORD
- SVQ
1 stop23h 10m
Turkish Airlines
Tue 9/226:35 pm
SVQ
- ORD
1 stop22h 05m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 4/3. 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 4/197:15 am
ORD
- PMI
2 stops20h 20m
United Airlines
Tue 4/284:05 pm
PMI
- ORD
2 stops35h 40m
United Airlines
Deal found 4/3![United Airlines logo]()
$723
This Turkish Airlines deal was found by Cheapflights users on 4/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:10 pm
ORD
- BIO
1 stop32h 00m
Turkish Airlines
Mon 10/512:10 pm
BIO
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$660
This British Airways deal was found by Cheapflights users on 4/5. 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.
Tue 9/299:35 pm
STL
- MAD
1 stop12h 55m
British Airways
Fri 10/93:55 pm
MAD
- STL
1 stop14h 46m
British Airways
Deal found 4/5![British Airways logo]()
$727
This Finnair deal was found by Cheapflights users on 4/7. 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 9/209:00 pm
ORD
- MAD
1 stop11h 50m
Multiple Airlines
Sun 9/271:35 pm
MAD
- ORD
Nonstop9h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 4/7. 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 9/304:13 pm
STL
- MAD
2 stops16h 22m
Delta
Wed 10/146:00 am
MAD
- STL
2 stops21h 37m
Delta
Deal found 4/7![Delta logo]()
$791
This United Airlines deal was found by Cheapflights users on 4/6. 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 5/59:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Thu 5/143:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 4/6![United Airlines logo]()
$729
This KLM deal was found by Cheapflights users on 4/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:30 pm
MDW
- BCN
1 stop13h 20m
KLM
Sun 8/2311:00 am
BCN
- MDW
1 stop17h 46m
KLM
Deal found 4/4![KLM logo]()
$854
This Scandinavian Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/97:15 pm
ORD
- AGP
1 stop32h 00m
Scandinavian Airlines
Fri 5/229:10 pm
AGP
- ORD
1 stop26h 00m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 4/5. 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.
Fri 5/15:04 pm
ORD
- BCN
2 stops15h 31m
Delta
Tue 5/129:20 am
BCN
- ORD
2 stops17h 54m
Delta
Deal found 4/5![Delta logo]()
$803
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 4/159:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Wed 4/223:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 4/7![United Airlines logo]()
$749
This KLM deal was found by Cheapflights users on 4/5. 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 8/45:10 pm
MDW
- MAD
1 stop12h 05m
KLM
Thu 8/209:50 am
MAD
- MDW
1 stop13h 37m
KLM
Deal found 4/5![KLM logo]()
$873
This Virgin Atlantic deal was found by Cheapflights users on 4/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:42 am
STL
- MAD
2 stops15h 13m
Virgin Atlantic
Tue 5/512:45 pm
MAD
- STL
1 stop17h 51m
Virgin Atlantic
Deal found 4/6![Virgin Atlantic logo]()
$972
This KLM deal was found by Cheapflights users on 4/6. 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.
Wed 5/65:35 pm
STL
- MAD
2 stops15h 00m
Multiple Airlines
Wed 5/139:50 am
MAD
- STL
1 stop13h 20m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$888
This Delta deal was found by Cheapflights users on 4/3. 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 9/217:00 am
ORD
- BIO
2 stops19h 50m
Delta
Tue 10/610:30 am
BIO
- ORD
2 stops18h 03m
Delta
Deal found 4/3![Delta logo]()
$808
This Scandinavian Airlines deal was found by Cheapflights users on 4/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:15 pm
ORD
- MAD
2 stops33h 45m
Scandinavian Airlines
Sun 9/2712:50 pm
MAD
- ORD
2 stops34h 20m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 9/293:30 pm
STL
- MAD
1 stop13h 40m
United Airlines
Fri 10/91:30 pm
MAD
- STL
2 stops33h 56m
United Airlines
Deal found 4/3![United Airlines logo]()
$764
This KLM deal was found by Cheapflights users on 4/5. 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.
Mon 5/45:21 pm
MDW
- BCN
1 stop12h 29m
KLM
Mon 5/1811:00 am
BCN
- MDW
1 stop17h 09m
KLM
Deal found 4/5![KLM logo]()
$875
This Delta deal was found by Cheapflights users on 4/3. 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 9/216:00 am
ORD
- BIO
2 stops20h 50m
Delta
Fri 10/210:30 am
BIO
- ORD
2 stops17h 15m
Delta
Deal found 4/3![Delta logo]()
$808
Last-minute flights from Illinois to SpainDiscover last-minute flight deals from Illinois to Spain. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Spain. Data last updated April 8, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 4/3. 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.
Sun 4/128:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Tue 4/2112:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/3![Turkish Airlines logo]()
$532
This Vliegwinkel deal was found by Cheapflights users on 4/5. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 pm
ORD
- MAD
1 stop23h 20m
TAP AIR PORTUGAL
Tue 4/2110:25 pm
MAD
- ORD
1 stop24h 35m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$540
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:25 am
ORD
- BIO
1 stop16h 45m
Turkish Airlines
Tue 4/2812:10 pm
BIO
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$554
This Justfly.com deal was found by Cheapflights users on 4/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:10 pm
ORD
- AGP
1 stop31h 40m
Turkish Airlines
Mon 4/2012:20 pm
AGP
- ORD
1 stop28h 20m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$554
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:25 am
ORD
- BCN
1 stop23h 15m
Turkish Airlines
Thu 4/2312:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$535
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:25 am
ORD
- AGP
1 stop16h 25m
Turkish Airlines
Fri 4/2411:50 am
AGP
- ORD
1 stop28h 50m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:25 am
ORD
- BCN
1 stop23h 15m
Turkish Airlines
Wed 4/2212:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$544
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Thu 4/237:40 am
BCN
- ORD
1 stop33h 00m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$531
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Wed 5/67:40 am
BCN
- ORD
1 stop33h 00m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$525
This Super.com deal was found by Cheapflights users on 4/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 pm
ORD
- MAD
1 stop11h 40m
TAP AIR PORTUGAL
Wed 5/137:40 am
MAD
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$541
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:25 am
ORD
- BCN
1 stop16h 20m
Turkish Airlines
Wed 5/67:40 am
BCN
- ORD
1 stop17h 35m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$522
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
- MAD
1 stop18h 10m
TAP AIR PORTUGAL
Wed 5/67:40 am
MAD
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$535
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 April 8, 2026.
Search for one-way flight options from Illinois to Spain. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:00 pm
ORD
- BIO
1 stop13h 25m
Aer Lingus
Deal found 4/6![Aer Lingus logo]()
$324
This oojo deal was found by Cheapflights users on 4/7. 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 7/266:00 pm
ORD
- MAD
1 stop20h 25m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$339
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:40 pm
ORD
- AGP
1 stop13h 15m
Lufthansa
Deal found 4/6![Lufthansa logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 6/83:20 pm
MDW
- MAD
3 stops40h 40m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:25 pm
ORD
- MAD
2 stops19h 50m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/6![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Mon 5/43:00 pm
ORD
- MAD
1 stop12h 45m
ITA Airways
Deal found 4/3![ITA Airways logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/2610:25 pm
ORD
- MAD
2 stops32h 40m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$351
This oojo deal was found by Cheapflights users on 4/3. 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.
Wed 7/299:39 am
STL
- BCN
2 stops19h 26m
British Airways
Deal found 4/3![British Airways logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:12 pm
ORD
- BIO
2 stops16h 33m
American Airlines
Deal found 4/6![American Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/2710:30 am
MDW
- MAD
3 stops39h 55m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/710:25 am
MDW
- MAD
3 stops42h 15m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$353
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 April 8, 2026.
Round-trip from | $510 (eDestinos) |
|---|---|
One-way from | $324 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $697 |
Good round-trip deal | $694 or less |
Good one-way deal | $495 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 April 8, 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
ChicagoSeville
ORD - SVQ
ORDSVQ
Chicago O'Hare Intl
Mon 9/14
11:25 am-5:35 pm
1 stop23h 10m
Sevilla
Mon 9/21
11:35 am-9:40 am
1 stop29h 05m
$572
ChicagoSeville
ORD - SVQ
ORDSVQ
Chicago O'Hare Intl
Wed 9/16
11:25 am-5:35 pm
1 stop23h 10m
Sevilla
Tue 9/22
6:35 pm-9:40 am
1 stop22h 05m
$572
ChicagoPalma de Mallorca
ORD - PMI
ORDPMI
Chicago O'Hare Intl
Sat 10/3
1:00 pm-8:30 am
2 stops36h 30m
Palma de Mallorca Son Sant Joan
Fri 10/16
10:00 am-6:57 pm
1 stop15h 57m
$637
ChicagoBilbao
ORD - BIO
ORDBIO
Chicago O'Hare Intl
Sun 8/16
8:10 pm-11:10 am
1 stop32h 00m
Bilbao
Mon 10/5
12:10 pm-9:40 am
1 stop28h 30m
$660
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 4/15
10:41 am-7:35 am
1 stop13h 54m
Barcelona-El Prat
Thu 4/23
10:30 am-1:20 pm
Nonstop9h 50m
$704
ChicagoBarcelona
MDW - BCN
MDWBCN
Chicago Midway
Mon 4/20
12:52 pm-12:50 pm
1 stop16h 58m
Barcelona-El Prat
Tue 4/28
11:00 am-10:28 pm
1 stop18h 28m
$714
ChicagoPalma de Mallorca
ORD - PMI
ORDPMI
Chicago O'Hare Intl
Sun 4/19
7:15 am-10:35 am
2 stops20h 20m
Palma de Mallorca Son Sant Joan
Tue 4/28
4:05 pm-8:45 pm
2 stops35h 40m
$723
St. LouisMadrid
STL - MAD
STLMAD
Lambert-St Louis
Tue 9/29
9:35 pm-5:30 pm
1 stop12h 55m
Madrid Barajas
Fri 10/9
3:55 pm-11:41 pm
1 stop14h 46m
$727
Quickest round-trip
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 5/5
9:40 pm-1:15 pm
Nonstop8h 35m
Barcelona-El Prat
Thu 5/14
3:15 pm-5:45 pm
Nonstop9h 30m
$729
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 4/15
9:40 pm-1:15 pm
Nonstop8h 35m
Barcelona-El Prat
Wed 4/22
3:15 pm-5:45 pm
Nonstop9h 30m
$749
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-BIO
ORD-AGP
STL-BCN
ORD-MAD
ORD-PMI
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-BIO
ORD-AGP
STL-BCN
ORD-MAD
What is the cheapest month to book a flight from Illinois to Spain?
Currently, September is the cheapest month in which you can book a flight from Illinois to Spain (average of $288). Flying from Illinois to Spain in June is currently the most expensive (average of $622). 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 April 8, 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 April 8, 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.
Alternative routes
Complete your trip
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Top regions
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 April 8, 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 April 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$288 | Average$642 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$353 | Average$713 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$356 | Average$456 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$621 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$393 | Average$797 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$622 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$798 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$430 | Average$955 | FlexibilityNo cancel fee | On-time69% |