$273+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Sep 5 — Sep 121
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 August 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 August 6, 2026.
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 pm -
1 stop10h 55m
Thu 11/126:00 pm -
1 stop28h 30m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$563
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop15h 10m
Wed 11/117:40 am -
1 stop14h 50m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$574
This Super.com deal was found by Cheapflights users on 8/6. 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 10/288:00 pm -
1 stop33h 20m
Wed 11/47:40 am -
1 stop14h 50m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$575
This oojo deal was found by Cheapflights users on 8/5. 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.
Sun 11/18:10 pm -
1 stop17h 10m
Tue 11/106:00 pm -
1 stop28h 30m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$580
This FlightHub deal was found by Cheapflights users on 8/2. 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.
Wed 12/27:00 pm -
1 stop21h 30m
Fri 12/117:40 am -
1 stop14h 50m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$586
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm -
1 stop16h 35m
Tue 10/206:50 pm -
1 stop28h 10m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$588
This Gotogate deal was found by Cheapflights users on 8/2. 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.
Wed 11/117:00 pm -
1 stop21h 45m
Thu 11/196:05 pm -
1 stop28h 25m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$591
This Mytrip deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 pm -
1 stop23h 20m
Fri 11/67:40 am -
1 stop14h 50m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$594
This SmartFares deal was found by Cheapflights users on 8/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 pm -
1 stop10h 55m
Sun 11/157:40 am -
1 stop14h 50m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$595
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 pm -
1 stop17h 00m
Tue 10/206:50 pm -
1 stop28h 10m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$596
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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.
Wed 10/216:00 pm -
1 stop20h 25m
Sun 11/87:40 am -
1 stop14h 50m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$597
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 pm -
1 stop14h 05m
Fri 11/136:45 am -
1 stop15h 45m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$599
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 August 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 August 6, 2026.
This Finnair deal was found by Cheapflights users on 8/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:15 pm -
Nonstop8h 15m
Tue 10/610:15 am -
1 stop14h 35m
Deal found 8/4![Finnair logo]()
$710
This United deal was found by Cheapflights users on 8/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops19h 05m
Wed 11/181:25 pm -
2 stops32h 05m
Deal found 8/2![Multiple Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 8/5. 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 9/306:00 pm -
2 stops15h 45m
Wed 10/76:00 am -
1 stop15h 30m
Deal found 8/5![Delta logo]()
$717
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:15 pm -
1 stop17h 10m
Tue 10/69:10 pm -
1 stop26h 00m
Deal found 8/1![Scandinavian Airlines logo]()
$718
This Turkish Airlines deal was found by Cheapflights users on 8/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:10 pm -
1 stop38h 15m
Thu 10/295:15 pm -
1 stop23h 45m
Deal found 8/4![Turkish Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 1/99:30 pm -
1 stop27h 50m
Fri 1/291:35 pm -
1 stop32h 17m
Deal found 8/5![United Airlines logo]()
$734
This SWISS deal was found by Cheapflights users on 8/5. 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 9/272:20 pm -
1 stop11h 30m
Mon 10/56:35 pm -
1 stop25h 00m
Deal found 8/5![SWISS logo]()
$742
This British Airways deal was found by Cheapflights users on 8/3. 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.
Fri 10/95:00 pm -
1 stop14h 05m
Sun 10/184:50 pm -
1 stop28h 00m
Deal found 8/3![British Airways logo]()
$892
This KLM deal was found by Cheapflights users on 8/5. 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 9/295:11 pm -
1 stop12h 39m
Wed 10/711:00 am -
1 stop18h 33m
Deal found 8/5![KLM logo]()
$905
This Turkish Airlines deal was found by Cheapflights users on 8/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:25 am -
1 stop16h 40m
Thu 9/246:25 pm -
1 stop22h 15m
Deal found 8/2![Turkish Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 8/3. 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 11/410:30 am -
2 stops18h 30m
Wed 11/114:10 pm -
1 stop29h 15m
Deal found 8/3![Delta logo]()
$732
This United Airlines deal was found by Cheapflights users on 8/3. 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 11/225:00 pm -
1 stop33h 15m
Fri 11/276:05 am -
1 stop14h 40m
Deal found 8/3![United Airlines logo]()
$736
This Lufthansa deal was found by Cheapflights users on 8/5. 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 9/272:20 pm -
1 stop11h 30m
Tue 10/66:40 am -
1 stop13h 15m
Deal found 8/5![Multiple Airlines logo]()
$739
This Scandinavian Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 10/177:15 pm -
1 stop16h 55m
Wed 10/219:55 am -
1 stop13h 15m
Deal found 8/3![Scandinavian Airlines logo]()
$744
This Finnair deal was found by Cheapflights users on 8/2. 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.
Mon 9/2110:15 pm -
Nonstop8h 15m
Tue 9/291:35 pm -
Nonstop9h 25m
Deal found 8/2![Finnair logo]()
$759
This SWISS deal was found by Cheapflights users on 8/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:40 pm -
1 stop16h 25m
Sat 10/316:20 am -
1 stop16h 55m
Deal found 8/3![SWISS logo]()
$795
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/249:50 pm -
1 stop17h 05m
Thu 1/286:45 am -
2 stops23h 30m
Deal found 8/4![United Airlines logo]()
$738
This Turkish Airlines deal was found by Cheapflights users on 8/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:25 am -
1 stop16h 10m
Wed 9/2311:50 am -
1 stop28h 50m
Deal found 8/3![Turkish Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:15 pm -
1 stop12h 35m
Tue 10/206:20 am -
2 stops17h 27m
Deal found 8/2![Delta logo]()
$758
This Scandinavian Airlines deal was found by Cheapflights users on 8/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 pm -
1 stop16h 40m
Wed 10/2812:00 pm -
2 stops35h 45m
Deal found 8/5![Scandinavian Airlines logo]()
$771
This Finnair deal was found by Cheapflights users on 8/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:15 pm -
Nonstop8h 15m
Wed 10/711:45 am -
Nonstop9h 40m
Deal found 8/3![Finnair logo]()
$805
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 am -
1 stop19h 30m
Wed 11/183:10 pm -
Nonstop9h 50m
Deal found 8/4![United Airlines logo]()
$742
This Turkish Airlines deal was found by Cheapflights users on 8/1. 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 10/2912:45 pm -
1 stop21h 50m
Sat 11/711:40 am -
1 stop29h 20m
Deal found 8/1![Turkish Airlines logo]()
$744
This Air France deal was found by Cheapflights users on 8/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:00 pm -
2 stops15h 45m
Tue 9/2210:40 am -
2 stops19h 04m
Deal found 8/1![Multiple Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 8/5. 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 9/3010:29 am -
1 stop12h 51m
Sun 10/46:00 am -
1 stop15h 15m
Deal found 8/5![Delta logo]()
$763
This KLM deal was found by Cheapflights users on 8/1. 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 8/165:10 pm -
1 stop14h 15m
Sun 9/2010:40 pm -
2 stops23h 25m
Deal found 8/1![KLM logo]()
$949
This Finnair deal was found by Cheapflights users on 8/2. 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.
Fri 10/1610:20 pm -
Nonstop8h 10m
Sat 11/141:00 pm -
Nonstop9h 10m
Deal found 8/2![Finnair logo]()
$807
This United Airlines deal was found by Cheapflights users on 8/5. 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 11/109:50 pm -
Nonstop8h 25m
Tue 12/86:50 am -
1 stop15h 30m
Deal found 8/5![United Airlines logo]()
$742
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:15 pm -
1 stop15h 25m
Thu 9/1712:00 pm -
2 stops35h 10m
Deal found 8/1![Scandinavian Airlines logo]()
$817
This Turkish Airlines deal was found by Cheapflights users on 8/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm -
1 stop38h 25m
Wed 9/2311:50 am -
1 stop28h 50m
Deal found 8/2![Turkish Airlines logo]()
$747
Last-minute flights from Illinois to SpainDiscover last-minute flight deals from Illinois to Spain. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Spain. Data last updated August 6, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 pm -
1 stop18h 05m
Thu 8/2710:25 pm -
1 stop24h 35m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$644
This oojo deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 pm -
1 stop16h 20m
Thu 8/278:10 pm -
1 stop26h 50m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$639
This Mytrip deal was found by Cheapflights users on 8/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 pm -
1 stop23h 20m
Thu 9/178:10 pm -
1 stop26h 50m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$608
This SmartFares deal was found by Cheapflights users on 8/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 pm -
1 stop16h 20m
Wed 9/1610:25 pm -
1 stop21h 15m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$610
This SmartFares deal was found by Cheapflights users on 8/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 pm -
1 stop16h 20m
Tue 9/1510:25 pm -
1 stop24h 35m
Deal found 8/2![TAP AIR PORTUGAL logo]()
$613
This Jettzy deal was found by Cheapflights users on 8/5. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 pm -
1 stop20h 50m
Tue 9/158:20 pm -
1 stop26h 40m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$644
This Gotogate deal was found by Cheapflights users on 8/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 pm -
1 stop11h 35m
Thu 11/196:00 pm -
1 stop28h 30m
Deal found 8/3![TAP AIR PORTUGAL logo]()
$624
This Kissandfly.com deal was found by Cheapflights users on 8/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 pm -
1 stop32h 25m
Fri 10/26:30 am -
1 stop16h 30m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$626
This oojo deal was found by Cheapflights users on 8/3. 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.
Sat 9/196:05 pm -
1 stop23h 25m
Thu 11/193:25 pm -
1 stop31h 05m
Deal found 8/3![TAP AIR PORTUGAL logo]()
$641
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 9/206:00 pm -
1 stop14h 05m
Wed 9/306:30 am -
1 stop16h 30m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$632
This Gotogate deal was found by Cheapflights users on 8/5. 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.
Wed 9/236:00 pm -
1 stop14h 20m
Fri 11/207:40 am -
1 stop14h 50m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$630
This flugladen.de deal was found by Cheapflights users on 8/4. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 pm -
1 stop32h 35m
Wed 10/73:25 pm -
1 stop28h 15m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$637
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 August 6, 2026.
Search for one-way flight options from Illinois to Spain. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Mon 10/1910:35 am -
3 stops39h 55m
Deal found 8/4![Multiple Airlines logo]()
$273
This BusinessClass deal was found by Cheapflights users on 8/3. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/171:20 pm -
2 stops15h 10m
Deal found 8/3![British Airways logo]()
$277
This eDestinos deal was found by Cheapflights users on 8/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:50 pm -
1 stop12h 05m
Deal found 8/1![Iberia logo]()
$292
This eDestinos deal was found by Cheapflights users on 8/4. 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.
Wed 10/141:31 pm -
1 stop13h 44m
Deal found 8/4![Iberia logo]()
$294
This Ovago deal was found by Cheapflights users on 8/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:45 am -
2 stops15h 10m
Deal found 8/2![Aer Lingus logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 10/247:30 pm -
2 stops31h 40m
Deal found 8/3![Multiple Airlines logo]()
$298
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 pm -
1 stop34h 00m
Deal found 8/4![Icelandair logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 10/107:25 pm -
2 stops20h 20m
Deal found 8/4![Multiple Airlines logo]()
$301
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:45 am -
2 stops15h 10m
Deal found 8/3![Aer Lingus logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 10/47:25 pm -
2 stops21h 05m
Deal found 8/3![Multiple Airlines logo]()
$303
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:42 am -
2 stops15h 13m
Deal found 8/3![Aer Lingus logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/1611:45 am -
3 stops30h 25m
Deal found 8/4![Multiple Airlines logo]()
$304
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 August 6, 2026.
Round-trip from | $563 (Super.com) |
|---|---|
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $766 |
Good round-trip deal | $846 or less |
Good one-way deal | $458 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 August 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
ChicagoMadrid
ORD Chicago O'Hare Intl - MAD Madrid Barajas
ORDMAD
Chicago O'Hare Intl
Sun 9/27
10:15 pm-1:30 pm
Nonstop8h 15m
Madrid Barajas
Tue 10/6
10:15 am-5:50 pm
1 stop14h 35m
$710
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Wed 10/14
6:00 am-8:05 am
2 stops19h 05m
Madrid Barajas
Wed 11/18
1:25 pm-2:30 pm
2 stops32h 05m
$715
ChicagoMadrid
ORD Chicago O'Hare Intl - MAD Madrid Barajas
ORDMAD
Chicago O'Hare Intl
Wed 9/30
6:00 pm-4:45 pm
2 stops15h 45m
Madrid Barajas
Wed 10/7
6:00 am-2:30 pm
1 stop15h 30m
$717
ChicagoMálaga
ORD Chicago O'Hare Intl - AGP Malaga
ORDAGP
Chicago O'Hare Intl
Sat 9/26
7:15 pm-7:25 pm
1 stop17h 10m
Malaga
Tue 10/6
9:10 pm-4:10 pm
1 stop26h 00m
$718
ChicagoBilbao
ORD Chicago O'Hare Intl - BIO Bilbao
ORDBIO
Chicago O'Hare Intl
Tue 10/20
8:10 pm-5:25 pm
1 stop38h 15m
Bilbao
Thu 10/29
5:15 pm-11:00 am
1 stop23h 45m
$724
ChicagoBilbao
ORD Chicago O'Hare Intl - BIO Bilbao
ORDBIO
Chicago O'Hare Intl
Mon 9/14
11:25 am-11:05 am
1 stop16h 40m
Bilbao
Thu 9/24
6:25 pm-9:40 am
1 stop22h 15m
$724
ChicagoMálaga
ORD Chicago O'Hare Intl - AGP Malaga
ORDAGP
Chicago O'Hare Intl
Wed 11/4
10:30 am-12:00 pm
2 stops18h 30m
Malaga
Wed 11/11
4:10 pm-2:25 pm
1 stop29h 15m
$732
ChicagoBarcelona
ORD Chicago O'Hare Intl - BCN Barcelona-El Prat
ORDBCN
Chicago O'Hare Intl
Sat 1/9
9:30 pm-8:20 am
1 stop27h 50m
Barcelona-El Prat
Fri 1/29
1:35 pm-2:52 pm
1 stop32h 17m
$734
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Sun 11/22
5:00 pm-9:15 am
1 stop33h 15m
Madrid Barajas
Fri 11/27
6:05 am-1:45 pm
1 stop14h 40m
$736
ChicagoBilbao
ORD Chicago O'Hare Intl - BIO Bilbao
ORDBIO
Chicago O'Hare Intl
Sun 1/24
9:50 pm-9:55 pm
1 stop17h 05m
Bilbao
Thu 1/28
6:45 am-11:15 pm
2 stops23h 30m
$738
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.
STL-MAD
ORD-AGP
ORD-MAD
ORD-BCN
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
STL-MAD
ORD-AGP
ORD-MAD
ORD-BCN
What is the cheapest month to book a flight from Illinois to Spain?
Currently, February is the cheapest month in which you can book a flight from Illinois to Spain (average of $525). Flying from Illinois to Spain in June is currently the most expensive (average of $1,189). 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 August 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 August 6, 2026.
The most flights from USIL to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
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 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 August 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$438 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$347 | Average$680 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$355 | Average$465 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$382 | Average$938 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$383 | Average$651 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$436 | Average$944 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$438 | Average$887 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$440 | Average$873 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$440 | Average$786 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$456 | Average$726 | FlexibilityNo cancel fee | On-time67% |