$379+ Cheap flights from Bilbao (BIO) to Chicago (CHI)
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — CHI
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Bilbao to ChicagoExplore the most affordable flight options available from Bilbao to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Bilbao to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This eDestinos deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:15 am
BIO
- ORD
1 stop12h 55m
Iberia
Sun 11/154:06 pm
ORD
- BIO
2 stops13h 44m
Iberia
Deal found 6/7![Iberia logo]()
$509
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:15 am
BIO
- ORD
1 stop12h 10m
Iberia
Thu 10/84:55 pm
ORD
- BIO
1 stop12h 50m
Iberia
Deal found 6/9![Iberia logo]()
$550
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 am
BIO
- ORD
2 stops19h 20m
Iberia
Tue 10/1310:20 pm
ORD
- BIO
1 stop17h 55m
Iberia
Deal found 6/9![Iberia logo]()
$555
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:35 pm
BIO
- ORD
1 stop25h 25m
Iberia
Thu 10/229:41 am
ORD
- BIO
2 stops15h 49m
Iberia
Deal found 6/9![Iberia logo]()
$561
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:15 am
BIO
- ORD
1 stop13h 45m
Iberia
Mon 10/1910:20 pm
ORD
- BIO
1 stop11h 35m
Iberia
Deal found 6/9![Iberia logo]()
$567
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 am
BIO
- ORD
2 stops19h 20m
Iberia
Fri 10/164:55 pm
ORD
- BIO
1 stop12h 50m
Iberia
Deal found 6/9![Iberia logo]()
$573
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:15 am
BIO
- ORD
1 stop12h 10m
Iberia
Fri 10/910:20 pm
ORD
- BIO
1 stop31h 25m
Iberia
Deal found 6/9![Iberia logo]()
$576
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:35 pm
BIO
- ORD
1 stop23h 50m
Iberia
Sun 10/1810:20 pm
ORD
- BIO
1 stop11h 35m
Iberia
Deal found 6/9![Iberia logo]()
$578
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:35 pm
BIO
- ORD
1 stop25h 25m
Iberia
Tue 11/35:10 pm
ORD
- BIO
2 stops16h 40m
Iberia
Deal found 6/9![Iberia logo]()
$579
This Iberia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:45 am
BIO
- ORD
1 stop16h 15m
Iberia
Fri 10/164:55 pm
ORD
- BIO
1 stop12h 50m
Iberia
Deal found 6/9![Iberia logo]()
$584
This Iberia deal was found by Cheapflights users on 6/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 pm
BIO
- ORD
1 stop26h 55m
Iberia
Fri 9/1811:37 am
ORD
- BIO
2 stops13h 53m
Iberia
Deal found 6/6![Iberia logo]()
$586
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/510:30 am
BIO
- MDW
2 stops18h 47m
Delta
Mon 9/1410:48 am
MDW
- BIO
2 stops16h 02m
Delta
Deal found 6/10![Delta logo]()
$833
Best flights from Bilbao to ChicagoDiscover carefully curated flight deals from Bilbao to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Bilbao to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:45 am
BIO
- ORD
2 stops15h 13m
KLM
Sun 9/205:10 pm
ORD
- BIO
1 stop17h 20m
KLM
Deal found 6/9![KLM logo]()
$622
This British Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/201:30 pm
BIO
- ORD
2 stops17h 00m
Multiple Airlines
Mon 7/278:00 am
ORD
- BIO
2 stops17h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$683
This British Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/209:35 pm
BIO
- ORD
1 stop23h 50m
British Airways
Mon 7/279:00 am
ORD
- BIO
2 stops16h 30m
British Airways
Deal found 6/8![British Airways logo]()
$689
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/510:30 am
BIO
- MDW
2 stops18h 47m
Delta
Mon 9/1410:48 am
MDW
- BIO
2 stops16h 02m
Delta
Deal found 6/10![Delta logo]()
$833
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/79:35 pm
BIO
- ORD
1 stop25h 25m
Multiple Airlines
Tue 7/141:57 pm
ORD
- BIO
2 stops15h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$689
This British Airways deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:35 pm
BIO
- ORD
1 stop25h 25m
British Airways
Tue 7/144:55 pm
ORD
- BIO
1 stop12h 50m
British Airways
Deal found 6/6![British Airways logo]()
$694
This KLM deal was found by Cheapflights users on 6/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:15 pm
BIO
- ORD
1 stop28h 15m
KLM
Fri 7/315:10 pm
ORD
- BIO
1 stop33h 40m
KLM
Deal found 6/7![KLM logo]()
$843
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/156:45 am
BIO
- MDW
2 stops18h 33m
Delta
Wed 7/221:18 pm
MDW
- BIO
2 stops13h 32m
Delta
Deal found 6/8![Delta logo]()
$847
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/76:45 am
BIO
- MDW
2 stops18h 33m
Delta
Tue 7/1412:41 pm
MDW
- BIO
2 stops14h 09m
Delta
Deal found 6/8![Delta logo]()
$847
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/219:15 am
BIO
- ORD
2 stops21h 15m
Multiple Airlines
Mon 8/174:55 pm
ORD
- BIO
1 stop17h 00m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Thu 7/96:45 am
BIO
- MDW
2 stops18h 40m
Delta
Thu 7/161:18 pm
MDW
- BIO
2 stops13h 32m
Delta
Deal found 6/8![Delta logo]()
$847
This KLM deal was found by Cheapflights users on 6/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:10 am
BIO
- MDW
2 stops16h 06m
Multiple Airlines
Fri 7/3112:41 pm
MDW
- BIO
2 stops14h 09m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Thu 7/96:45 am
BIO
- MDW
2 stops18h 33m
Delta
Mon 7/139:19 am
MDW
- BIO
2 stops17h 31m
Delta
Deal found 6/9![Delta logo]()
$848
This Delta deal was found by Cheapflights users on 6/5. 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 6/236:45 am
BIO
- ORD
1 stop14h 30m
Delta
Thu 7/2310:28 am
ORD
- BIO
2 stops16h 22m
Delta
Deal found 6/5![Delta logo]()
$848
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Thu 7/96:45 am
BIO
- ORD
2 stops18h 44m
Delta
Mon 7/138:52 am
ORD
- BIO
2 stops17h 58m
Delta
Deal found 6/9![Delta logo]()
$848
This Delta deal was found by Cheapflights users on 6/5. 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 6/236:45 am
BIO
- MDW
2 stops18h 46m
Delta
Thu 7/231:18 pm
MDW
- BIO
2 stops13h 32m
Delta
Deal found 6/5![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:45 am
BIO
- MDW
2 stops18h 33m
Delta
Fri 7/3111:05 am
MDW
- BIO
2 stops15h 45m
Delta
Deal found 6/8![Delta logo]()
$865
Last-minute flights from Bilbao to ChicagoDiscover last-minute flight deals from Bilbao to Chicago. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Chicago. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/510:30 am
BIO
- MDW
2 stops18h 47m
Delta
Mon 9/1410:48 am
MDW
- BIO
2 stops16h 02m
Delta
Deal found 6/10![Delta logo]()
$833
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/79:35 pm
BIO
- ORD
1 stop25h 25m
British Airways
Tue 7/144:55 pm
ORD
- BIO
1 stop12h 50m
British Airways
Deal found 6/9![British Airways logo]()
$689
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/76:45 am
BIO
- MDW
2 stops18h 33m
Delta
Tue 7/1412:41 pm
MDW
- BIO
2 stops14h 09m
Delta
Deal found 6/8![Delta logo]()
$847
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Thu 7/96:45 am
BIO
- ORD
1 stop16h 15m
American Airlines
Thu 7/1610:30 pm
ORD
- BIO
1 stop27h 00m
American Airlines
Deal found 6/8![American Airlines logo]()
$687
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Thu 7/96:45 am
BIO
- ORD
1 stop16h 15m
American Airlines
Mon 7/1310:30 pm
ORD
- BIO
1 stop27h 00m
American Airlines
Deal found 6/9![American Airlines logo]()
$688
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/159:35 pm
BIO
- ORD
1 stop25h 25m
Multiple Airlines
Wed 7/224:02 pm
ORD
- BIO
2 stops17h 53m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$698
This Iberia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:15 am
BIO
- ORD
2 stops18h 44m
Iberia
Wed 7/224:55 pm
ORD
- BIO
1 stop17h 00m
Iberia
Deal found 6/10![Iberia logo]()
$724
This British Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/201:30 pm
BIO
- ORD
2 stops17h 00m
Multiple Airlines
Mon 7/278:00 am
ORD
- BIO
2 stops17h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$683
This British Airways deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:35 pm
BIO
- ORD
1 stop25h 25m
British Airways
Mon 7/279:00 am
ORD
- BIO
2 stops16h 30m
British Airways
Deal found 6/6![British Airways logo]()
$692
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Mon 7/205:35 pm
BIO
- ORD
1 stop29h 25m
American Airlines
Mon 7/2710:30 pm
ORD
- BIO
1 stop11h 25m
American Airlines
Deal found 6/8![American Airlines logo]()
$712
This Iberia deal was found by Cheapflights users on 6/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:45 am
BIO
- ORD
1 stop14h 40m
Iberia
Wed 8/2611:30 am
ORD
- BIO
2 stops28h 45m
Iberia
Deal found 6/6![Iberia logo]()
$725
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/249:15 am
BIO
- ORD
2 stops17h 14m
American Airlines
Fri 7/3111:00 am
ORD
- BIO
2 stops14h 30m
American Airlines
Deal found 6/9![American Airlines logo]()
$726
One-way flights from Bilbao to ChicagoSearch for one-way flight options from Bilbao to Chicago. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Bilbao to Chicago. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Orbitz deal was found by Cheapflights users on 6/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:15 am
BIO
- ORD
1 stop12h 10m
British Airways
Deal found 6/5![British Airways logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:15 am
BIO
- ORD
2 stops17h 17m
American Airlines
Deal found 6/5![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:15 am
BIO
- ORD
2 stops20h 37m
American Airlines
Deal found 6/8![American Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:35 pm
BIO
- ORD
1 stop24h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$419
This eDestinos deal was found by Cheapflights users on 6/6. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:15 am
BIO
- ORD
2 stops16h 30m
Iberia
Deal found 6/6![Iberia logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Thu 10/2211:05 am
BIO
- ORD
3 stops37h 45m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Thu 10/222:20 pm
BIO
- MDW
3 stops52h 47m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/149:40 pm
BIO
- ORD
3 stops48h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/122:45 pm
BIO
- ORD
3 stops55h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/147:15 pm
BIO
- MDW
3 stops50h 20m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Sat 7/185:50 pm
BIO
- ORD
3 stops33h 41m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/127:00 am
BIO
- MDW
3 stops57h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$683
Find flight deals from Bilbao to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Round-trip from | $509 (eDestinos) |
|---|---|
One-way from | $379 (Orbitz) |
Popular in | September |
Cheapest in | February |
Average price | $671 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bilbao to Chicago 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 June 10, 2026.
Use the filters below to find and compare flights from Bilbao to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Fri 9/11
6:45 am-2:58 pm
2 stops15h 13m
Chicago O'Hare Intl
Sun 9/20
5:10 pm-5:30 pm
1 stop17h 20m
$622
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Mon 7/20
1:30 pm-11:30 pm
2 stops17h 00m
Chicago O'Hare Intl
Mon 7/27
8:00 am-8:30 am
2 stops17h 30m
$683
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Mon 7/20
9:35 pm-2:25 pm
1 stop23h 50m
Chicago O'Hare Intl
Mon 7/27
9:00 am-8:30 am
2 stops16h 30m
$689
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Tue 7/7
9:35 pm-4:00 pm
1 stop25h 25m
Chicago O'Hare Intl
Tue 7/14
1:57 pm-12:45 pm
2 stops15h 48m
$689
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Tue 7/7
9:35 pm-4:00 pm
1 stop25h 25m
Chicago O'Hare Intl
Tue 7/14
4:55 pm-12:45 pm
1 stop12h 50m
$694
BilbaoChicago
BIO - MDW
BIOMDW
Bilbao
Sun 7/5
10:30 am-10:17 pm
2 stops18h 47m
Chicago Midway
Mon 9/14
10:48 am-9:50 am
2 stops16h 02m
$833
BilbaoChicago
BIO - ORD
BIOORD
Bilbao
Sun 6/21
5:15 pm-2:30 pm
1 stop28h 15m
Chicago O'Hare Intl
Fri 7/31
5:10 pm-9:50 am
1 stop33h 40m
$843
BilbaoChicago
BIO - MDW
BIOMDW
Bilbao
Wed 7/15
6:45 am-6:18 pm
2 stops18h 33m
Chicago Midway
Wed 7/22
1:18 pm-9:50 am
2 stops13h 32m
$847
BilbaoChicago
BIO - MDW
BIOMDW
Bilbao
Tue 7/7
6:45 am-6:18 pm
2 stops18h 33m
Chicago Midway
Tue 7/14
12:41 pm-9:50 am
2 stops14h 09m
$847
BilbaoChicago
BIO - MDW
BIOMDW
Bilbao
Thu 7/9
6:45 am-6:25 pm
2 stops18h 40m
Chicago Midway
Thu 7/16
1:18 pm-9:50 am
2 stops13h 32m
$847
Showing 1-10 of 30 resultsSorted by cheapest first
Best time to book a flight from Bilbao to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Bilbao with our price prediction graph.
BIO-CHI
BIO-ORD
BIO-MDW
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 Bilbao to Chicago
BIO-CHI
BIO-ORD
BIO-MDW
What is the cheapest month to book a flight from Bilbao to Chicago?
Currently, February is the cheapest month in which you can book a flight from Bilbao to Chicago (average of $378). Flying from Bilbao to Chicago in June is currently the most expensive (average of $671). 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 Bilbao to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
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