$285+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Spain with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Spain
Cheapest
Best
Last-minute
One-way
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 1, 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 1, 2026.
This Ticket deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
ORD
- SVQ
1 stop32h 25m
TAP AIR PORTUGAL
Fri 4/246:30 am
SVQ
- ORD
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 3/29![TAP AIR PORTUGAL logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:05 pm
ORD
- PMI
1 stop30h 45m
SWISS
Tue 4/289:40 am
PMI
- ORD
1 stop33h 55m
SWISS
Deal found 3/31![SWISS logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/124:20 pm
ORD
- AGP
1 stop19h 40m
Austrian Airlines
Mon 4/207:50 pm
AGP
- ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/27![Austrian Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:20 pm
ORD
- AGP
1 stop19h 40m
Austrian Airlines
Mon 4/277:50 pm
AGP
- ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/29![Austrian Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 9/217:05 pm
ORD
- PMI
1 stop11h 30m
Multiple Airlines
Wed 9/306:40 pm
PMI
- ORD
1 stop25h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/214:20 pm
ORD
- PMI
1 stop12h 00m
Multiple Airlines
Tue 4/289:40 am
PMI
- ORD
1 stop33h 55m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:20 pm
ORD
- PMI
1 stop18h 30m
Multiple Airlines
Tue 4/218:05 pm
PMI
- ORD
1 stop23h 30m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$477
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Tue 9/227:05 pm
ORD
- PMI
1 stop12h 00m
SWISS
Fri 10/29:40 am
PMI
- ORD
1 stop13h 15m
SWISS
Deal found 3/27![SWISS logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/132:20 pm
ORD
- AGP
1 stop14h 00m
SWISS
Tue 4/216:30 am
AGP
- ORD
1 stop16h 25m
SWISS
Deal found 3/27![SWISS logo]()
$479
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/157:05 pm
ORD
- AGP
1 stop22h 00m
SWISS
Fri 4/246:30 am
AGP
- ORD
1 stop13h 05m
SWISS
Deal found 3/27![SWISS logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 9/2212:57 pm
ORD
- PMI
2 stops21h 53m
Austrian Airlines
Sat 10/38:30 pm
PMI
- ORD
1 stop23h 50m
Austrian Airlines
Deal found 3/27![Austrian Airlines logo]()
$488
This FlightHub deal was found by Cheapflights users on 3/28. 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.
Tue 9/228:40 pm
ORD
- PMI
2 stops28h 50m
Multiple Airlines
Fri 10/29:40 am
PMI
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$491
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 1, 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 1, 2026.
This Turkish Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:10 pm
ORD
- SVQ
1 stop31h 30m
Turkish Airlines
Mon 4/2011:35 am
SVQ
- ORD
1 stop29h 05m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/149:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Tue 4/213:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:20 pm
MDW
- BCN
2 stops14h 05m
Delta
Tue 4/2811:00 am
BCN
- MDW
1 stop18h 28m
Delta
Deal found 3/30![Delta logo]()
$723
This British Airways deal was found by Cheapflights users on 3/27. 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
Wed 5/610:30 am
BCN
- ORD
Nonstop9h 50m
British Airways
Deal found 3/27![British Airways logo]()
$734
This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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 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
2 stops32h 00m
Scandinavian Airlines
Mon 5/188:05 pm
AGP
- ORD
2 stops27h 05m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$828
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:10 pm
ORD
- BIO
1 stop38h 10m
Multiple Airlines
Sun 4/1212:45 pm
BIO
- ORD
2 stops27h 55m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$845
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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 4/2010:41 am
MDW
- MAD
1 stop18h 34m
Virgin Atlantic
Tue 4/2812:45 pm
MAD
- MDW
1 stop16h 43m
Virgin Atlantic
Deal found 3/27![Virgin Atlantic logo]()
$868
This KLM deal was found by Cheapflights users on 3/27. 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 4/255:21 pm
MDW
- BCN
1 stop12h 29m
KLM
Sat 5/211:00 am
BCN
- MDW
1 stop18h 28m
KLM
Deal found 3/27![KLM logo]()
$889
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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.
Sat 4/256:05 pm
ORD
- AGP
1 stop21h 50m
TAP AIR PORTUGAL
Wed 4/293:25 pm
AGP
- ORD
2 stops23h 16m
TAP AIR PORTUGAL
Deal found 3/27![TAP AIR PORTUGAL logo]()
$943
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:30 pm
STL
- MAD
1 stop21h 00m
Lufthansa
Mon 8/105:55 am
MAD
- STL
1 stop14h 30m
Lufthansa
Deal found 3/31![Lufthansa logo]()
$966
This Turkish Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:10 pm
ORD
- SVQ
1 stop38h 25m
Turkish Airlines
Wed 4/2911:50 am
SVQ
- ORD
1 stop28h 50m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/225:55 pm
ORD
- BCN
1 stop14h 00m
United Airlines
Wed 4/293:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$707
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:16 pm
MDW
- BCN
2 stops14h 09m
Delta
Thu 5/1411:00 am
BCN
- MDW
1 stop17h 09m
Delta
Deal found 3/29![Delta logo]()
$753
This Turkish Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:25 am
ORD
- SVQ
1 stop23h 10m
Turkish Airlines
Sun 5/106:35 pm
SVQ
- ORD
1 stop30h 40m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:45 pm
ORD
- BCN
1 stop33h 15m
United Airlines
Sun 4/193:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 3/31![United Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:15 am
ORD
- BCN
2 stops15h 45m
Delta
Mon 5/46:20 am
BCN
- ORD
1 stop15h 10m
Delta
Deal found 3/29![Delta logo]()
$763
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:30 am
ORD
- MAD
2 stops18h 30m
Scandinavian Airlines
Thu 5/2112:00 pm
MAD
- ORD
2 stops35h 10m
Scandinavian Airlines
Deal found 3/30![Scandinavian Airlines logo]()
$847
This British Airways deal was found by Cheapflights users on 3/27. 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 4/262:33 pm
STL
- BCN
2 stops14h 07m
British Airways
Sun 5/310:30 am
BCN
- STL
1 stop20h 16m
British Airways
Deal found 3/27![British Airways logo]()
$851
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:45 pm
ORD
- PMI
1 stop15h 40m
Multiple Airlines
Mon 8/108:35 pm
PMI
- ORD
1 stop25h 25m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$883
This Virgin Atlantic deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:19 am
ORD
- MAD
2 stops15h 36m
Virgin Atlantic
Sun 5/312:45 pm
MAD
- ORD
1 stop15h 40m
Virgin Atlantic
Deal found 3/29![Virgin Atlantic logo]()
$900
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:55 pm
ORD
- BCN
1 stop13h 30m
United Airlines
Sat 5/23:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 3/29![United Airlines logo]()
$757
This KLM deal was found by Cheapflights users on 3/28. 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 5/125:10 pm
ORD
- SVQ
1 stop16h 20m
KLM
Tue 5/199:25 pm
SVQ
- ORD
1 stop24h 05m
KLM
Deal found 3/28![KLM logo]()
$926
This Scandinavian Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 4/266:04 am
ORD
- AGP
2 stops44h 46m
Scandinavian Airlines
Thu 4/309:30 pm
AGP
- ORD
1 stop25h 40m
Scandinavian Airlines
Deal found 3/26![Scandinavian Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:06 pm
ORD
- AGP
2 stops22h 34m
Delta
Wed 5/205:25 pm
AGP
- ORD
1 stop27h 50m
Delta
Deal found 3/29![Delta logo]()
$822
This Virgin Atlantic deal was found by Cheapflights users on 3/28. 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.
Sat 4/255:21 pm
MDW
- BCN
1 stop12h 29m
Virgin Atlantic
Sat 5/211:00 am
BCN
- MDW
1 stop18h 28m
Virgin Atlantic
Deal found 3/28![Virgin Atlantic logo]()
$910
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:01 pm
ORD
- BCN
2 stops14h 34m
United Airlines
Tue 4/1412:15 pm
BCN
- ORD
2 stops30h 51m
United Airlines
Deal found 3/29![United Airlines logo]()
$763
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:00 pm
ORD
- PMI
1 stop14h 40m
Multiple Airlines
Thu 6/119:10 am
PMI
- ORD
1 stop12h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$933
This KLM deal was found by Cheapflights users on 3/31. 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.
Fri 5/155:10 pm
ORD
- BIO
1 stop21h 50m
KLM
Fri 5/226:45 am
BIO
- ORD
1 stop14h 30m
KLM
Deal found 3/31![KLM logo]()
$938
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:25 am
ORD
- SVQ
1 stop16h 15m
Turkish Airlines
Sat 5/1611:35 am
SVQ
- ORD
1 stop29h 05m
Turkish Airlines
Deal found 3/30![Turkish Airlines logo]()
$863
This British Airways deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:22 am
ORD
- MAD
1 stop11h 13m
British Airways
Sat 5/211:45 am
MAD
- ORD
Nonstop9h 40m
British Airways
Deal found 3/29![British Airways logo]()
$957
Last-minute flights from Illinois to SpainDiscover last-minute flight deals from Illinois to Spain. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Spain. Data last updated April 1, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
ORD
- SVQ
1 stop32h 25m
TAP AIR PORTUGAL
Fri 4/246:30 am
SVQ
- ORD
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 3/29![TAP AIR PORTUGAL logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/124:20 pm
ORD
- AGP
1 stop19h 40m
Austrian Airlines
Mon 4/207:50 pm
AGP
- ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/27![Austrian Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:20 pm
ORD
- AGP
1 stop19h 40m
Austrian Airlines
Mon 4/277:50 pm
AGP
- ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/29![Austrian Airlines logo]()
$466
This KAYAK deal was found by Cheapflights users on 3/27. 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 4/127:05 pm
ORD
- AGP
1 stop22h 00m
SWISS
Wed 4/226:30 am
AGP
- ORD
1 stop13h 05m
SWISS
Deal found 3/27![SWISS logo]()
$500
This Super.com deal was found by Cheapflights users on 3/28. 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 4/126:00 pm
ORD
- MAD
1 stop11h 40m
TAP AIR PORTUGAL
Wed 4/227:40 am
MAD
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:20 pm
ORD
- AGP
1 stop19h 40m
Austrian Airlines
Sat 4/187:40 pm
AGP
- ORD
1 stop24h 40m
Austrian Airlines
Deal found 3/29![Austrian Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/132:20 pm
ORD
- AGP
1 stop14h 00m
SWISS
Tue 4/216:30 am
AGP
- ORD
1 stop16h 25m
SWISS
Deal found 3/27![SWISS logo]()
$479
This FlightHub deal was found by Cheapflights users on 3/27. 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 4/139:40 pm
ORD
- AGP
1 stop13h 15m
Multiple Airlines
Mon 4/207:50 pm
AGP
- ORD
1 stop24h 30m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$504
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/157:05 pm
ORD
- AGP
1 stop22h 00m
SWISS
Fri 4/246:30 am
AGP
- ORD
1 stop13h 05m
SWISS
Deal found 3/27![SWISS logo]()
$484
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 pm
ORD
- AGP
1 stop22h 00m
SWISS
Thu 4/236:30 am
AGP
- ORD
1 stop16h 25m
SWISS
Deal found 3/31![SWISS logo]()
$521
This oojo deal was found by Cheapflights users on 3/26. 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.
Sat 4/256:05 pm
ORD
- AGP
1 stop21h 50m
TAP AIR PORTUGAL
Sat 5/210:25 am
AGP
- ORD
1 stop12h 40m
TAP AIR PORTUGAL
Deal found 3/26![TAP AIR PORTUGAL logo]()
$499
This eDestinos deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:10 pm
ORD
- BCN
1 stop20h 05m
Turkish Airlines
Tue 5/512:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$516
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 1, 2026.
Search for one-way flight options from Illinois to Spain. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This FlightHub deal was found by Cheapflights users on 3/28. 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 4/267:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Deal found 3/28![Icelandair logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Deal found 3/29![Icelandair logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/2410:25 pm
ORD
- BCN
1 stop33h 20m
Icelandair
Deal found 3/28![Icelandair logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:45 pm
ORD
- MAD
1 stop11h 10m
Aer Lingus
Deal found 3/29![Aer Lingus logo]()
$312
This Flightnetwork deal was found by Cheapflights users on 3/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:20 pm
ORD
- PMI
1 stop14h 35m
SWISS
Deal found 3/27![SWISS logo]()
$318
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:00 pm
ORD
- MAD
1 stop16h 05m
Aer Lingus
Deal found 3/29![Aer Lingus logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:25 pm
ORD
- BCN
2 stops33h 15m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$319
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:45 pm
ORD
- MAD
1 stop11h 10m
Aer Lingus
Deal found 3/29![Aer Lingus logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 pm
ORD
- BCN
2 stops20h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$322
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:05 pm
ORD
- MAD
1 stop13h 45m
British Airways
Deal found 3/30![British Airways logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/217:30 am
MDW
- BCN
2 stops28h 15m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 3/27![Multiple Airlines logo]()
$324
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 1, 2026.
Round-trip from | $443 (Ticket) |
|---|---|
One-way from | $285 (FlightHub) |
Popular in | June |
Cheapest in | February |
Average price | $724 |
Good round-trip deal | $676 or less |
Good one-way deal | $504 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 1, 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
Thu 4/16
8:10 pm-10:40 am
1 stop31h 30m
Sevilla
Mon 4/20
11:35 am-9:40 am
1 stop29h 05m
$572
ChicagoSeville
ORD - SVQ
ORDSVQ
Chicago O'Hare Intl
Wed 4/15
8:10 pm-5:35 pm
1 stop38h 25m
Sevilla
Wed 4/29
11:50 am-9:40 am
1 stop28h 50m
$572
Quickest round-trip
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 4/14
9:40 pm-1:15 pm
Nonstop8h 35m
Barcelona-El Prat
Tue 4/21
3:15 pm-5:45 pm
Nonstop9h 30m
$700
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 4/22
5:55 pm-2:55 pm
1 stop14h 00m
Barcelona-El Prat
Wed 4/29
3:15 pm-5:45 pm
Nonstop9h 30m
$707
ChicagoSeville
ORD - SVQ
ORDSVQ
Chicago O'Hare Intl
Wed 4/29
11:25 am-5:35 pm
1 stop23h 10m
Sevilla
Sun 5/10
6:35 pm-6:15 pm
1 stop30h 40m
$709
ChicagoBarcelona
MDW - BCN
MDWBCN
Chicago Midway
Sun 4/12
7:20 pm-4:25 pm
2 stops14h 05m
Barcelona-El Prat
Tue 4/28
11:00 am-10:28 pm
1 stop18h 28m
$723
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 4/15
10:41 am-7:35 am
1 stop13h 54m
Barcelona-El Prat
Wed 5/6
10:30 am-1:20 pm
Nonstop9h 50m
$734
ChicagoBarcelona
MDW - BCN
MDWBCN
Chicago Midway
Tue 5/5
7:16 pm-4:25 pm
2 stops14h 09m
Barcelona-El Prat
Thu 5/14
11:00 am-9:09 pm
1 stop17h 09m
$753
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 4/7
3:45 pm-8:00 am
1 stop33h 15m
Barcelona-El Prat
Sun 4/19
3:15 pm-5:45 pm
Nonstop9h 30m
$753
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 4/22
5:55 pm-2:25 pm
1 stop13h 30m
Barcelona-El Prat
Sat 5/2
3:15 pm-5:45 pm
Nonstop9h 30m
$757
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-SVQ
ORD-BCN
MDW-BCN
ORD-AGP
ORD-BIO
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-SVQ
ORD-BCN
MDW-BCN
ORD-AGP
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 $289). Flying from Illinois to Spain in June is currently the most expensive (average of $626). 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 1, 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 1, 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 (4 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
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$288 | Average$652 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$588 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$355 | Average$688 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$356 | Average$455 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$621 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$393 | Average$805 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$629 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$799 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$434 | Average$905 | FlexibilityNo cancel fee | On-time77% |