$187+ Cheap flights from Illinois to Barcelona
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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
Mar 9 — Mar 161
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Illinois to BarcelonaExplore the most affordable flight options available from Illinois to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
Explore the most affordable flight options available from Illinois to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
This Mytrip deal was found by Cheapflights users on 2/5. 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 2/158:25 pm
ORD
- BCN
1 stop30h 40m
TAP AIR PORTUGAL
Tue 3/39:10 pm
BCN
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 2/5![TAP AIR PORTUGAL logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Fri 5/110:25 pm
ORD
- BCN
1 stop33h 20m
Icelandair
Sun 5/103:45 pm
BCN
- ORD
1 stop12h 40m
Icelandair
Deal found 2/4![Icelandair logo]()
$429
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:15 pm
ORD
- BCN
1 stop17h 05m
TAP AIR PORTUGAL
Tue 2/109:10 pm
BCN
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 2/4![TAP AIR PORTUGAL logo]()
$431
This oojo deal was found by Cheapflights users on 2/4. 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 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 2/4![TAP AIR PORTUGAL logo]()
$432
This CrystalTravel deal was found by Cheapflights users on 2/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Fri 5/83:45 pm
BCN
- ORD
1 stop12h 40m
Icelandair
Deal found 2/5![Icelandair logo]()
$433
This oojo deal was found by Cheapflights users on 2/5. 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 5/107:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Fri 5/153:45 pm
BCN
- ORD
1 stop12h 40m
Icelandair
Deal found 2/5![Icelandair logo]()
$434
This oojo deal was found by Cheapflights users on 2/5. 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.
Mon 4/137:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Fri 4/176:00 pm
BCN
- ORD
1 stop29h 10m
Scandinavian Airlines
Deal found 2/5![Scandinavian Airlines logo]()
$438
This oojo deal was found by Cheapflights users on 2/5. 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.
Tue 5/57:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Wed 5/203:45 pm
BCN
- ORD
1 stop12h 40m
Icelandair
Deal found 2/5![Icelandair logo]()
$439
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Wed 5/63:45 pm
BCN
- ORD
1 stop12h 40m
Icelandair
Deal found 2/4![Icelandair logo]()
$441
This oojo deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
- BCN
1 stop13h 00m
TAP AIR PORTUGAL
Tue 5/58:20 pm
BCN
- ORD
1 stop26h 40m
TAP AIR PORTUGAL
Deal found 2/5![TAP AIR PORTUGAL logo]()
$442
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- BCN
1 stop12h 20m
Icelandair
Sat 5/93:45 pm
BCN
- ORD
1 stop33h 30m
Icelandair
Deal found 2/4![Icelandair logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/810:50 pm
ORD
- BCN
1 stop12h 45m
Lufthansa
Wed 3/186:50 am
BCN
- ORD
1 stop13h 35m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$447
Best flights from Illinois to BarcelonaDiscover carefully curated flight deals from Illinois to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
Discover carefully curated flight deals from Illinois to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 4/139:04 am
ORD
- BCN
2 stops15h 56m
United Airlines
Tue 4/2112:15 pm
BCN
- ORD
2 stops29h 40m
United Airlines
Deal found 2/5![United Airlines logo]()
$478
This oojo deal was found by Cheapflights users on 2/6. 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.
Tue 4/1411:45 am
STL
- BCN
2 stops18h 30m
British Airways
Tue 4/287:40 am
BCN
- STL
2 stops18h 53m
British Airways
Deal found 2/6![British Airways logo]()
$485
This KLM deal was found by Cheapflights users on 2/4. 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.
Tue 3/177:00 am
ORD
- BCN
1 stop18h 00m
KLM
Wed 4/16:20 am
BCN
- ORD
1 stop15h 10m
KLM
Deal found 2/4![KLM logo]()
$490
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 pm
ORD
- BCN
1 stop24h 30m
TAP AIR PORTUGAL
Sun 5/106:00 am
BCN
- ORD
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 2/7![TAP AIR PORTUGAL logo]()
$491
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:49 am
MDW
- BCN
1 stop14h 51m
Delta
Tue 3/310:15 am
BCN
- MDW
2 stops19h 18m
Delta
Deal found 2/4![Delta logo]()
$499
This Virgin Atlantic deal was found by Cheapflights users on 2/6. 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.
Sun 4/191:23 pm
MDW
- BCN
2 stops16h 27m
Virgin Atlantic
Wed 4/2911:00 am
BCN
- MDW
1 stop18h 28m
Virgin Atlantic
Deal found 2/6![Virgin Atlantic logo]()
$499
This Finnair deal was found by Cheapflights users on 2/4. 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.
Tue 3/1011:46 am
STL
- BCN
1 stop14h 04m
Multiple Airlines
Sun 3/153:05 pm
BCN
- STL
1 stop25h 27m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 5/111:45 am
STL
- BCN
1 stop17h 25m
American Airlines
Thu 5/1410:30 am
BCN
- STL
1 stop18h 49m
American Airlines
Deal found 2/6![American Airlines logo]()
$682
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:39 am
STL
- BCN
2 stops20h 06m
Lufthansa
Sun 3/89:10 am
BCN
- STL
2 stops20h 41m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$734
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 3/219:01 pm
ORD
- BCN
1 stop29h 19m
United Airlines
Wed 4/11:15 pm
BCN
- ORD
1 stop26h 55m
United Airlines
Deal found 2/4![United Airlines logo]()
$480
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:10 pm
ORD
- BCN
1 stop22h 20m
British Airways
Thu 4/212:00 pm
BCN
- ORD
1 stop13h 15m
British Airways
Deal found 2/4![British Airways logo]()
$495
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:45 pm
MDW
- BCN
1 stop12h 55m
Delta
Tue 3/109:30 am
BCN
- MDW
2 stops19h 01m
Delta
Deal found 2/4![Delta logo]()
$499
This KLM deal was found by Cheapflights users on 2/6. 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 3/306:07 pm
MDW
- BCN
1 stop11h 43m
KLM
Tue 4/1411:00 am
BCN
- MDW
1 stop18h 28m
KLM
Deal found 2/6![KLM logo]()
$516
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:40 pm
ORD
- BCN
Nonstop8h 35m
United Airlines
Wed 4/293:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 2/6![United Airlines logo]()
$480
This Virgin Atlantic deal was found by Cheapflights users on 2/4. 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 2/1912:45 pm
MDW
- BCN
1 stop12h 55m
Virgin Atlantic
Wed 2/2510:15 am
BCN
- MDW
2 stops19h 16m
Virgin Atlantic
Deal found 2/4![Virgin Atlantic logo]()
$548
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:35 am
MDW
- BCN
2 stops16h 00m
Delta
Tue 3/3111:00 am
BCN
- MDW
1 stop18h 31m
Delta
Deal found 2/4![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/229:15 pm
ORD
- BCN
1 stop29h 05m
United Airlines
Wed 4/11:15 pm
BCN
- ORD
1 stop26h 55m
United Airlines
Deal found 2/4![United Airlines logo]()
$480
This oojo deal was found by Cheapflights users on 2/6. 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.
Tue 4/146:11 pm
STL
- BCN
1 stop30h 24m
British Airways
Sat 4/258:00 pm
BCN
- STL
1 stop30h 30m
British Airways
Deal found 2/6![British Airways logo]()
$552
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 3/246:34 pm
MDW
- BCN
2 stops13h 26m
Delta
Tue 4/146:20 am
BCN
- MDW
2 stops18h 38m
Delta
Deal found 2/5![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/219:40 pm
ORD
- BCN
1 stop13h 15m
United Airlines
Wed 4/293:15 pm
BCN
- ORD
Nonstop9h 30m
United Airlines
Deal found 2/5![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:10 pm
MDW
- BCN
2 stops16h 00m
Delta
Wed 4/16:20 am
BCN
- MDW
2 stops19h 20m
Delta
Deal found 2/4![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/2310:50 pm
ORD
- BCN
1 stop12h 45m
United Airlines
Fri 4/1012:15 pm
BCN
- ORD
1 stop14h 50m
United Airlines
Deal found 2/5![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:21 pm
MDW
- BCN
1 stop12h 29m
Delta
Wed 4/296:10 am
BCN
- MDW
2 stops18h 48m
Delta
Deal found 2/6![Delta logo]()
$507
This Finnair deal was found by Cheapflights users on 2/4. 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 3/2211:22 am
STL
- BCN
1 stop19h 43m
Multiple Airlines
Sun 3/296:30 pm
BCN
- STL
1 stop23h 59m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 3/2410:50 pm
ORD
- BCN
1 stop12h 45m
United Airlines
Tue 3/311:15 pm
BCN
- ORD
2 stops25h 43m
United Airlines
Deal found 2/7![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 2/5. 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.
Mon 4/131:23 pm
MDW
- BCN
2 stops16h 07m
Delta
Tue 4/216:10 am
BCN
- MDW
2 stops18h 48m
Delta
Deal found 2/5![Delta logo]()
$516
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:30 pm
STL
- BCN
1 stop17h 05m
Lufthansa
Mon 8/36:40 am
BCN
- STL
1 stop13h 45m
Lufthansa
Deal found 2/7![Lufthansa logo]()
$853
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 3/49:15 am
ORD
- BCN
2 stops16h 05m
United Airlines
Tue 3/1010:30 am
BCN
- ORD
2 stops17h 04m
United Airlines
Deal found 2/5![United Airlines logo]()
$499
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 pm
ORD
- GRO
3 stops20h 05m
Multiple Airlines
Tue 5/58:35 pm
GRO
- ORD
3 stops28h 40m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 3/246:34 pm
MDW
- BCN
2 stops13h 26m
Delta
Mon 4/1311:00 am
BCN
- MDW
1 stop18h 28m
Delta
Deal found 2/5![Delta logo]()
$549
Last-minute flights from Illinois to BarcelonaDiscover last-minute flight deals from Illinois to Barcelona. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Barcelona. Data last updated February 7, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:15 pm
ORD
- BCN
1 stop17h 05m
TAP AIR PORTUGAL
Tue 2/109:10 pm
BCN
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 2/4![TAP AIR PORTUGAL logo]()
$431
This Mytrip deal was found by Cheapflights users on 2/5. 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 2/158:25 pm
ORD
- BCN
1 stop30h 40m
TAP AIR PORTUGAL
Tue 3/39:10 pm
BCN
- ORD
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 2/5![TAP AIR PORTUGAL logo]()
$428
This oojo deal was found by Cheapflights users on 2/5. 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.
Fri 2/208:15 pm
ORD
- BCN
1 stop17h 05m
TAP AIR PORTUGAL
Sun 3/16:45 am
BCN
- ORD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 2/5![TAP AIR PORTUGAL logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/236:50 pm
ORD
- BCN
1 stop21h 10m
SWISS
Wed 3/119:55 am
BCN
- ORD
1 stop13h 25m
SWISS
Deal found 2/7![SWISS logo]()
$457
This KLM deal was found by Cheapflights users on 2/5. 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 2/2410:49 am
MDW
- BCN
1 stop14h 51m
KLM
Tue 3/310:55 am
BCN
- MDW
1 stop18h 38m
KLM
Deal found 2/5![KLM logo]()
$495
This oojo deal was found by Cheapflights users on 2/7. 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.
Fri 2/278:15 pm
ORD
- BCN
1 stop20h 30m
TAP AIR PORTUGAL
Wed 3/46:45 am
BCN
- ORD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 2/7![TAP AIR PORTUGAL logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/18:25 pm
ORD
- BCN
1 stop13h 50m
TAP AIR PORTUGAL
Wed 3/116:45 am
BCN
- ORD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$438
This oojo deal was found by Cheapflights users on 2/3. 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 3/47:10 pm
ORD
- BCN
1 stop11h 35m
TAP AIR PORTUGAL
Sun 3/86:45 am
BCN
- ORD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/49:50 pm
ORD
- BCN
1 stop12h 45m
Lufthansa
Tue 3/106:50 am
BCN
- ORD
1 stop13h 35m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$450
This oojo deal was found by Cheapflights users on 2/6. 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 3/89:25 pm
ORD
- BCN
1 stop20h 20m
TAP AIR PORTUGAL
Wed 3/186:45 am
BCN
- ORD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 2/6![TAP AIR PORTUGAL logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/810:50 pm
ORD
- BCN
1 stop12h 45m
Lufthansa
Wed 3/186:50 am
BCN
- ORD
1 stop13h 35m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$447
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:47 pm
MDW
- BCN
1 stop12h 48m
Multiple Airlines
Wed 3/189:45 am
BCN
- MDW
1 stop13h 37m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$494
One-way flights from Illinois to BarcelonaSearch for one-way flight options from Illinois to Barcelona. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
Search for one-way flight options from Illinois to Barcelona. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 4/296:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$187
This Trip.com deal was found by Cheapflights users on 2/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/196:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$217
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 2/6. 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 5/69:41 am
ORD
- BCN
1 stop17h 04m
JetBlue
Deal found 2/6![JetBlue logo]()
$249
This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- BCN
2 stops20h 20m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$250
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Tue 4/217:25 pm
ORD
- BCN
2 stops19h 50m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 4/227:30 am
MDW
- BCN
1 stop22h 50m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Wed 4/156:34 pm
ORD
- BCN
2 stops35h 46m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 4/306:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$256
This Mytrip deal was found by Cheapflights users on 2/4. 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 4/267:25 pm
ORD
- BCN
2 stops13h 50m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:30 pm
ORD
- BCN
2 stops17h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$261
Find flight deals from Illinois to Barcelona
Keep the following information in mind while searching for Illinois to Barcelona flight deals. Data was last updated February 7, 2026.
Round-trip from | $428 (Kiwi.com) |
|---|---|
One-way from | $187 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $529 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Illinois to Barcelona that are best for you.
Fly from
Illinois
Fly to
Barcelona
Route
Depart
Return
Price
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Mon 4/13
9:04 am-8:00 am
2 stops15h 56m
Barcelona-El Prat
Tue 4/21
12:15 pm-10:55 am
2 stops29h 40m
$478
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sat 3/21
9:01 pm-8:20 am
1 stop29h 19m
Barcelona-El Prat
Wed 4/1
1:15 pm-9:10 am
1 stop26h 55m
$480
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 4/19
9:40 pm-1:15 pm
Nonstop8h 35m
Barcelona-El Prat
Wed 4/29
3:15 pm-5:45 pm
Nonstop9h 30m
$480
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 3/22
9:15 pm-8:20 am
1 stop29h 05m
Barcelona-El Prat
Wed 4/1
1:15 pm-9:10 am
1 stop26h 55m
$480
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Tue 4/14
11:45 am-1:15 pm
2 stops18h 30m
Barcelona-El Prat
Tue 4/28
7:40 am-7:33 pm
2 stops18h 53m
$485
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 4/21
9:40 pm-5:55 pm
1 stop13h 15m
Barcelona-El Prat
Wed 4/29
3:15 pm-5:45 pm
Nonstop9h 30m
$488
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 3/17
7:00 am-7:00 am
1 stop18h 00m
Barcelona-El Prat
Wed 4/1
6:20 am-2:30 pm
1 stop15h 10m
$490
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 4/12
6:00 pm-1:30 am
1 stop24h 30m
Barcelona-El Prat
Sun 5/10
6:00 am-4:00 pm
1 stop17h 00m
$491
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Mon 3/23
10:50 pm-5:35 pm
1 stop12h 45m
Barcelona-El Prat
Fri 4/10
12:15 pm-8:05 pm
1 stop14h 50m
$491
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 3/17
6:10 pm-10:30 pm
1 stop22h 20m
Barcelona-El Prat
Thu 4/2
12:00 pm-6:15 pm
1 stop13h 15m
$495
Showing 1-10 of 60 results
Best time to book a flight from Illinois to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Illinois with our price prediction graph.
ORD-BCN
MDW-BCN
STL-BCN
ORD-GRO
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 Barcelona
USIL-S37
ORD-BCN
MDW-BCN
STL-BCN
ORD-GRO
What is the cheapest month to book a flight from Illinois to Barcelona?
Currently, February is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $366). Flying from Illinois to Barcelona in June is currently the most expensive (average of $851). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Illinois to Barcelona
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Barcelona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Barcelona by cabin class
Find flights from Illinois to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Barcelona flights
Browse other Illinois and Barcelona flight options. Last updated on February 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Barcelona flights
Consider these flights traveling from Illinois to Barcelona.
Top 10 airlines flying from Illinois to Barcelona
Discover the top 10 airlines that operate flights from Illinois to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$618 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$356 | Average$472 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$775 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$633 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$456 | Average$572 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$464 | Average$653 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$476 | Average$820 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$477 | Average$778 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$484 | Average$740 | FlexibilityNo cancel fee | On-time71% |