$374+ Cheap flights from Bilbao (BIO) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Bilbao to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bilbao to O'Hare Intl
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Best
Last-minute
One-way
Cheapest flights from Bilbao to O'Hare IntlExplore the most affordable flight options available from Bilbao to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Bilbao to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:45 am -
1 stop15h 20m
Mon 11/165:40 pm -
1 stop12h 10m
Deal found 9/7![Iberia logo]()
$374
This Iberia deal was found by Cheapflights users on 9/6. 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.
Thu 11/199:15 am -
1 stop12h 40m
Tue 12/112:56 pm -
2 stops16h 54m
Deal found 9/6![Iberia logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/246:45 am -
1 stop16h 15m
Mon 9/284:55 pm -
1 stop32h 35m
Deal found 9/8![American Airlines logo]()
$395
This British Airways deal was found by Cheapflights users on 9/6. 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.
Sun 11/19:35 pm -
1 stop24h 30m
Mon 11/95:40 pm -
1 stop16h 15m
Deal found 9/6![British Airways logo]()
$397
This Iberia deal was found by Cheapflights users on 9/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 am -
2 stops17h 01m
Mon 9/284:55 pm -
1 stop23h 20m
Deal found 9/8![Iberia logo]()
$401
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 am -
1 stop14h 40m
Sun 11/86:05 pm -
1 stop15h 50m
Deal found 9/9![Iberia logo]()
$403
Best flights from Bilbao to O'Hare IntlDiscover carefully curated flight deals from Bilbao to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Bilbao to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Iberia deal was found by Cheapflights users on 9/6. 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.
Sun 11/15:35 pm -
1 stop28h 30m
Mon 11/91:37 pm -
2 stops16h 13m
Deal found 9/6![Iberia logo]()
$432
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 am -
1 stop12h 45m
Tue 11/35:40 pm -
1 stop12h 10m
Deal found 9/4![American Airlines logo]()
$496
This British Airways deal was found by Cheapflights users on 9/4. 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.
Thu 10/299:15 am -
1 stop12h 45m
Tue 11/35:40 pm -
1 stop12h 10m
Deal found 9/4![British Airways logo]()
$496
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 2/16:45 am -
1 stop15h 35m
Tue 2/169:50 pm -
1 stop17h 05m
Deal found 9/7![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 9/6. 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.
Thu 1/146:50 am -
1 stop14h 35m
Sun 1/176:25 pm -
1 stop16h 00m
Deal found 9/6![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:45 am -
2 stops18h 48m
Sat 3/1311:45 am -
2 stops16h 15m
Deal found 9/8![United Airlines logo]()
$526
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:35 pm -
1 stop24h 30m
Mon 11/95:10 pm -
1 stop21h 45m
Deal found 9/7![British Airways logo]()
$575
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:30 am -
1 stop17h 55m
Sun 1/179:50 pm -
1 stop17h 05m
Deal found 9/8![United Airlines logo]()
$534
This Viajar deal was found by Cheapflights users on 9/5. 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 Viajar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:45 am -
1 stop16h 15m
Wed 10/2110:34 am -
2 stops14h 56m
Deal found 9/5![Iberia logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 11/111:45 am -
1 stop13h 40m
Mon 11/99:50 pm -
1 stop18h 20m
Deal found 9/7![United Airlines logo]()
$580
Last-minute flights from Bilbao to O'Hare IntlDiscover last-minute flight deals from Bilbao to O'Hare Intl. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to O'Hare Intl. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/246:45 am -
1 stop16h 15m
Mon 9/284:55 pm -
1 stop32h 35m
Deal found 9/8![American Airlines logo]()
$395
This Iberia deal was found by Cheapflights users on 9/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 am -
2 stops17h 01m
Mon 9/284:55 pm -
1 stop23h 20m
Deal found 9/8![Iberia logo]()
$401
This Iberia deal was found by Cheapflights users on 9/9. 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 10/209:35 pm -
1 stop25h 25m
Wed 11/1112:59 pm -
2 stops22h 51m
Deal found 9/9![Iberia logo]()
$432
This Iberia deal was found by Cheapflights users on 9/9. 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 10/209:15 am -
2 stops18h 13m
Sun 11/86:05 pm -
1 stop15h 50m
Deal found 9/9![Iberia logo]()
$444
This Iberia deal was found by Cheapflights users on 9/9. 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 10/216:45 am -
1 stop16h 15m
Wed 11/1112:59 pm -
2 stops22h 51m
Deal found 9/9![Iberia logo]()
$421
This Iberia deal was found by Cheapflights users on 9/9. 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 10/216:45 am -
1 stop16h 15m
Sun 11/85:40 pm -
1 stop20h 10m
Deal found 9/9![Iberia logo]()
$438
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 am -
1 stop14h 40m
Sun 11/86:05 pm -
1 stop15h 50m
Deal found 9/9![Iberia logo]()
$403
This Iberia deal was found by Cheapflights users on 9/9. 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 10/236:45 am -
1 stop14h 40m
Wed 11/116:05 pm -
1 stop22h 10m
Deal found 9/9![Iberia logo]()
$448
One-way flights from Bilbao to O'Hare IntlSearch for one-way flight options from Bilbao to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Bilbao to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:15 am -
1 stop12h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Iberia logo]()
$397
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/219:15 am -
1 stop12h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 11/214:40 pm -
3 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$461
Find flight deals from Bilbao to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to O'Hare Intl (ORD). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $374 (Expedia) |
Popular in | July |
Cheapest in | January |
Average price | $556 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bilbao to O'Hare Intl 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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Bilbao to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 11/21
9:15 am-3:10 pm
1 stop12h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$397
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 11/21
9:15 am-3:10 pm
1 stop12h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$409
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sun 11/1
5:35 pm-3:05 pm
1 stop28h 30m
Chicago O'Hare Intl
Mon 11/9
1:37 pm-12:50 pm
2 stops16h 13m
$432
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 11/21
4:40 pm-3:30 pm
3 stops29h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$461
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Thu 10/29
9:15 am-4:00 pm
1 stop12h 45m
Chicago O'Hare Intl
Tue 11/3
5:40 pm-12:50 pm
1 stop12h 10m
$496
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Thu 10/29
9:15 am-4:00 pm
1 stop12h 45m
Chicago O'Hare Intl
Tue 11/3
5:40 pm-12:50 pm
1 stop12h 10m
$496
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Mon 2/1
6:45 am-3:20 pm
1 stop15h 35m
Chicago O'Hare Intl
Tue 2/16
9:50 pm-9:55 pm
1 stop17h 05m
$520
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Thu 1/14
6:50 am-2:25 pm
1 stop14h 35m
Chicago O'Hare Intl
Sun 1/17
6:25 pm-5:25 pm
1 stop16h 00m
$523
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Fri 3/5
6:45 am-6:33 pm
2 stops18h 48m
Chicago O'Hare Intl
Sat 3/13
11:45 am-11:00 am
2 stops16h 15m
$526
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Thu 1/14
7:30 am-6:25 pm
1 stop17h 55m
Chicago O'Hare Intl
Sun 1/17
9:50 pm-9:55 pm
1 stop17h 05m
$534
Showing 1-10 of 13 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Bilbao-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bilbao-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bilbao-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bilbao to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bilbao with our price prediction graph.
BIO-ORD
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.
Related info for your journey
Find useful and relevant information for your journey from Bilbao to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Lake Geneva
Naperville
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Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Orland Park
Hoffman Estates
Aurora
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Rockford
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Elgin
Racine
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