$190+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
Mar 20 — Mar 271
1 adult, Economy
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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 18, 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 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/157:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Sun 4/197:00 pm
BCN
- ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/15![Scandinavian Airlines logo]()
$430
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/187:10 pm
ORD
- BCN
1 stop18h 10m
TAP AIR PORTUGAL
Thu 2/269:10 pm
BCN
- ORD
1 stop25h 15m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$431
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 stop17h 05m
TAP AIR PORTUGAL
Sat 11/146:05 pm
BCN
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 2/17![TAP AIR PORTUGAL logo]()
$432
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 2/17![Icelandair logo]()
$434
This FlightHub deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/67:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Thu 4/167:00 pm
BCN
- ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$440
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/226:00 pm
ORD
- BCN
1 stop13h 00m
TAP AIR PORTUGAL
Wed 4/296:00 am
BCN
- ORD
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 2/17![TAP AIR PORTUGAL logo]()
$442
This Vliegwinkel deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Tue 4/147:00 pm
BCN
- ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 stop30h 40m
TAP AIR PORTUGAL
Tue 3/106:05 pm
BCN
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$444
This Flightnetwork deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/126:00 pm
ORD
- BCN
1 stop18h 20m
TAP AIR PORTUGAL
Tue 4/2810:40 pm
BCN
- ORD
1 stop24h 20m
TAP AIR PORTUGAL
Deal found 2/15![TAP AIR PORTUGAL logo]()
$447
This FlightHub deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/207:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Fri 4/2411:25 am
BCN
- ORD
2 stops35h 45m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$448
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/18:25 pm
ORD
- BCN
1 stop16h 55m
TAP AIR PORTUGAL
Sun 3/86:45 am
BCN
- ORD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$449
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 4/147:45 am
STL
- BCN
1 stop22h 30m
United Airlines
Tue 4/281:15 pm
BCN
- STL
1 stop33h 09m
United Airlines
Deal found 2/16![United Airlines logo]()
$467
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 18, 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 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/148:15 pm
STL
- BCN
1 stop34h 00m
United Airlines
Tue 4/2812:15 pm
BCN
- STL
2 stops39h 53m
United Airlines
Deal found 2/15![United Airlines logo]()
$467
This oojo deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 4/225:21 pm
STL
- BCN
2 stops18h 14m
British Airways
Wed 4/297:40 am
BCN
- STL
1 stop18h 50m
British Airways
Deal found 2/13![British Airways logo]()
$481
This Finnair deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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.
Wed 4/2211:06 am
STL
- BCN
1 stop18h 54m
Multiple Airlines
Wed 4/296:30 pm
BCN
- STL
1 stop23h 24m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 4/225:59 pm
STL
- BCN
2 stops14h 36m
Delta
Wed 4/2911:00 am
BCN
- STL
1 stop13h 44m
Delta
Deal found 2/13![Delta logo]()
$491
This KLM deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/247:00 am
ORD
- BCN
1 stop18h 00m
KLM
Wed 4/89:20 am
BCN
- ORD
1 stop12h 10m
KLM
Deal found 2/13![KLM logo]()
$491
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:09 am
PIA
- BCN
1 stop13h 26m
American Airlines
Wed 4/810:45 am
BCN
- PIA
1 stop19h 28m
American Airlines
Deal found 2/15![American Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/139:10 am
STL
- BCN
1 stop21h 05m
United Airlines
Tue 4/213:15 pm
BCN
- STL
1 stop12h 53m
United Airlines
Deal found 2/15![United Airlines logo]()
$487
This British Airways deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:15 pm
ORD
- BCN
1 stop12h 10m
British Airways
Wed 4/297:40 am
BCN
- ORD
1 stop17h 35m
British Airways
Deal found 2/17![British Airways logo]()
$495
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/1911:00 am
ORD
- BCN
2 stops14h 45m
Delta
Tue 4/286:20 am
BCN
- ORD
1 stop14h 55m
Delta
Deal found 2/17![Delta logo]()
$495
This KLM deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/85:25 pm
ORD
- BCN
1 stop12h 50m
KLM
Tue 3/175:25 pm
BCN
- ORD
1 stop27h 55m
KLM
Deal found 2/17![KLM logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/127:45 am
STL
- BCN
1 stop22h 30m
United Airlines
Wed 4/2211:15 am
BCN
- STL
1 stop15h 07m
United Airlines
Deal found 2/15![United Airlines logo]()
$487
This KLM deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/165:25 pm
ORD
- BCN
1 stop11h 00m
KLM
Thu 4/23:15 pm
BCN
- ORD
1 stop13h 34m
KLM
Deal found 2/15![KLM logo]()
$501
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/2410:45 am
ORD
- BCN
2 stops17h 40m
Delta
Wed 4/19:20 am
BCN
- ORD
1 stop12h 10m
Delta
Deal found 2/13![Delta logo]()
$501
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/127:45 am
STL
- BCN
1 stop22h 30m
United Airlines
Tue 4/2112:15 pm
BCN
- STL
2 stops18h 42m
United Airlines
Deal found 2/15![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/135:04 pm
ORD
- BCN
2 stops17h 06m
Delta
Wed 4/226:20 am
BCN
- ORD
2 stops18h 53m
Delta
Deal found 2/15![Delta logo]()
$505
This KAYAK deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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.
Sat 5/236:34 pm
MLI
- BCN
1 stop11h 41m
Lufthansa
Sat 5/303:15 pm
BCN
- MLI
1 stop12h 49m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$1,298
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/124:20 pm
ORD
- BCN
1 stop13h 10m
Delta
Tue 4/286:20 am
BCN
- ORD
2 stops19h 32m
Delta
Deal found 2/15![Delta logo]()
$505
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/85:25 pm
ORD
- BCN
1 stop11h 00m
Delta
Wed 3/186:00 am
BCN
- ORD
2 stops21h 10m
Delta
Deal found 2/13![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/241:37 pm
ORD
- BCN
2 stops14h 48m
Delta
Wed 4/811:10 am
BCN
- ORD
2 stops16h 07m
Delta
Deal found 2/13![Delta logo]()
$511
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/110:40 am
PIA
- BCN
2 stops14h 40m
United Airlines
Wed 4/81:15 pm
BCN
- PIA
2 stops31h 52m
United Airlines
Deal found 2/15![United Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 4/217:09 pm
ORD
- BCN
2 stops16h 41m
Delta
Tue 4/2812:20 pm
BCN
- ORD
2 stops15h 20m
Delta
Deal found 2/16![Delta logo]()
$517
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/177:15 am
ORD
- GRO
3 stops31h 10m
Multiple Airlines
Tue 3/247:10 am
GRO
- ORD
3 stops47h 12m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$945
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/61:10 pm
MDW
- BCN
2 stops16h 40m
Delta
Thu 4/1611:00 am
BCN
- MDW
1 stop18h 28m
Delta
Deal found 2/15![Delta logo]()
$529
This Mytrip deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Wed 3/186:01 pm
ORD
- GRO
3 stops23h 24m
Multiple Airlines
Wed 3/258:50 pm
GRO
- ORD
2 stops27h 30m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/71:10 pm
MDW
- BCN
2 stops14h 05m
Delta
Wed 4/1511:00 am
BCN
- MDW
1 stop18h 28m
Delta
Deal found 2/14![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/316:34 pm
MDW
- BCN
2 stops13h 16m
Delta
Wed 4/89:20 am
BCN
- MDW
2 stops16h 20m
Delta
Deal found 2/13![Delta logo]()
$535
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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.
Sat 5/236:00 am
MLI
- BCN
1 stop21h 35m
American Airlines
Sat 5/3010:30 am
BCN
- MLI
1 stop20h 22m
American Airlines
Deal found 2/14![American Airlines logo]()
$1,356
This Mytrip deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/1512:50 pm
ORD
- GRO
2 stops26h 40m
Multiple Airlines
Sun 3/228:10 pm
GRO
- ORD
3 stops44h 55m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,150
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/306:07 pm
MDW
- BCN
1 stop11h 43m
Delta
Wed 4/86:10 am
BCN
- MDW
2 stops19h 30m
Delta
Deal found 2/13![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 5/236:34 pm
MLI
- BCN
2 stops30h 46m
United Airlines
Sat 5/3012:15 pm
BCN
- MLI
2 stops32h 41m
United Airlines
Deal found 2/15![United Airlines logo]()
$971
Last-minute flights from Illinois to BarcelonaDiscover last-minute flight deals from Illinois to Barcelona. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Barcelona. Data last updated February 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/187:10 pm
ORD
- BCN
1 stop18h 10m
TAP AIR PORTUGAL
Thu 2/269:10 pm
BCN
- ORD
1 stop25h 15m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$431
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/187:10 pm
ORD
- BCN
1 stop11h 35m
TAP AIR PORTUGAL
Sat 2/286:05 pm
BCN
- ORD
1 stop27h 40m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/187:10 pm
ORD
- BCN
1 stop18h 10m
TAP AIR PORTUGAL
Sun 3/16:45 am
BCN
- ORD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$458
This oojo deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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
Tue 3/36:05 pm
BCN
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 2/15![TAP AIR PORTUGAL logo]()
$432
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 2/17![TAP AIR PORTUGAL logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 stop30h 40m
TAP AIR PORTUGAL
Tue 3/106:05 pm
BCN
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$444
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/18:25 pm
ORD
- BCN
1 stop16h 55m
TAP AIR PORTUGAL
Sun 3/86:45 am
BCN
- ORD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 2/16![TAP AIR PORTUGAL logo]()
$449
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/310:49 am
MDW
- BCN
1 stop14h 51m
Delta
Tue 3/109:45 am
BCN
- MDW
1 stop13h 37m
Delta
Deal found 2/16![Delta logo]()
$495
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/41:29 pm
MDW
- BCN
2 stops13h 56m
Delta
Tue 3/109:45 am
BCN
- MDW
1 stop13h 37m
Delta
Deal found 2/14![Delta logo]()
$505
This Vliegwinkel deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:15 pm
ORD
- BCN
1 stop15h 55m
Scandinavian Airlines
Tue 4/147:00 pm
BCN
- ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$443
This Flighttix deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix 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
Virgin Atlantic
Tue 4/1411:00 am
BCN
- MDW
1 stop18h 28m
Virgin Atlantic
Deal found 2/17![Virgin Atlantic logo]()
$503
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/306:07 pm
MDW
- BCN
1 stop11h 43m
Delta
Tue 4/1411:00 am
BCN
- MDW
1 stop18h 28m
Delta
Deal found 2/13![Delta logo]()
$516
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 18, 2026.
Search for one-way flight options from Illinois to Barcelona. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/197:30 am
MDW
- BCN
1 stop22h 50m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/266:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/187:30 am
MDW
- BCN
1 stop22h 50m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/256:31 am
ORD
- BCN
1 stop23h 49m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Mon 4/137:25 pm
ORD
- BCN
2 stops20h 35m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/228:58 am
ORD
- BCN
1 stop21h 22m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/278:58 am
ORD
- BCN
1 stop21h 22m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/183:15 pm
ORD
- BCN
2 stops39h 05m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/1910:25 pm
ORD
- BCN
2 stops43h 35m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/267:30 am
MDW
- BCN
1 stop22h 50m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$236
This Trip.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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.
Tue 4/147:25 pm
ORD
- BCN
2 stops22h 00m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/237:30 am
MDW
- BCN
1 stop22h 50m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$240
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 18, 2026.
Round-trip from | $430 (Kiwi.com) |
|---|---|
One-way from | $190 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $520 |
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 18, 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
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Tue 4/14
8:15 pm-1:15 pm
1 stop34h 00m
Barcelona-El Prat
Tue 4/28
12:15 pm-9:08 pm
2 stops39h 53m
$467
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 4/22
5:21 pm-6:35 pm
2 stops18h 14m
Barcelona-El Prat
Wed 4/29
7:40 am-7:30 pm
1 stop18h 50m
$481
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 4/22
11:06 am-1:00 pm
1 stop18h 54m
Barcelona-El Prat
Wed 4/29
6:30 pm-10:54 am
1 stop23h 24m
$487
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Mon 4/13
9:10 am-1:15 pm
1 stop21h 05m
Barcelona-El Prat
Tue 4/21
3:15 pm-9:08 pm
1 stop12h 53m
$487
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Sun 4/12
7:45 am-1:15 pm
1 stop22h 30m
Barcelona-El Prat
Wed 4/22
11:15 am-7:22 pm
1 stop15h 07m
$487
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Sun 4/12
7:45 am-1:15 pm
1 stop22h 30m
Barcelona-El Prat
Tue 4/21
12:15 pm-11:57 pm
2 stops18h 42m
$490
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 4/22
5:59 pm-3:35 pm
2 stops14h 36m
Barcelona-El Prat
Wed 4/29
11:00 am-5:44 pm
1 stop13h 44m
$491
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 3/24
7:00 am-7:00 am
1 stop18h 00m
Barcelona-El Prat
Wed 4/8
9:20 am-2:30 pm
1 stop12h 10m
$491
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Mon 4/20
9:15 pm-4:25 pm
1 stop12h 10m
Barcelona-El Prat
Wed 4/29
7:40 am-6:15 pm
1 stop17h 35m
$495
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 4/19
11:00 am-8:45 am
2 stops14h 45m
Barcelona-El Prat
Tue 4/28
6:20 am-2:15 pm
1 stop14h 55m
$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
PIA-BCN
MLI-BCN
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
PIA-BCN
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 $365). Flying from Illinois to Barcelona in June is currently the most expensive (average of $843). 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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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 18, 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$470 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$527 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$659 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$633 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$451 | Average$645 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$456 | Average$569 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$464 | Average$652 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$475 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$477 | Average$785 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$797 | FlexibilityNo cancel fee | On-time76% |