$368+ Cheap flights from Bilbao (BIO) to Chicago (CHI)
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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — CHI
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Bilbao to Chicago 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
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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 Chicago
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Best
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One-way
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 October 26, 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 October 26, 2026.
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Sat 11/2112:25 pm -
1 stop34h 05m
Sun 11/298:10 pm -
1 stop15h 25m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/196:45 am -
1 stop15h 10m
Thu 12/39:00 am -
2 stops16h 30m
Deal found 10/22![American Airlines logo]()
$560
This Gotogate deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:10 pm -
1 stop34h 20m
Sun 11/228:10 pm -
1 stop38h 45m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$569
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/46:45 am -
1 stop15h 10m
Tue 12/811:47 am -
2 stops13h 43m
Deal found 10/23![American Airlines logo]()
$571
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 40m
Sun 11/295:40 pm -
1 stop12h 10m
Deal found 10/24![American Airlines logo]()
$588
This British Airways deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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.
Sat 11/219:15 am -
1 stop12h 40m
Sun 11/295:40 pm -
1 stop12h 10m
Deal found 10/22![British Airways logo]()
$589
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/251:35 pm -
2 stops16h 02m
Thu 12/311:35 am -
2 stops13h 55m
Deal found 10/23![American Airlines logo]()
$592
This Iberia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/256:45 am -
1 stop15h 10m
Thu 12/32:34 pm -
2 stops15h 16m
Deal found 10/26![Iberia logo]()
$612
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 October 26, 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 October 26, 2026.
This British Airways deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Sat 11/219:15 am -
1 stop12h 40m
Sun 11/295:40 pm -
1 stop12h 10m
Deal found 10/24![British Airways logo]()
$589
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Thu 1/1412:10 pm -
1 stop34h 20m
Sun 1/178:10 pm -
1 stop15h 25m
Deal found 10/24![TAP AIR PORTUGAL logo]()
$605
This Iberia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sat 11/216:45 am -
2 stops18h 35m
Sun 11/296:10 pm -
1 stop22h 05m
Deal found 10/21![Iberia logo]()
$693
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:50 am -
1 stop14h 35m
Sun 11/156:25 pm -
1 stop16h 00m
Deal found 10/26![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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
Mon 1/189:50 pm -
1 stop18h 20m
Deal found 10/23![United Airlines logo]()
$708
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:45 am -
2 stops17h 58m
Sun 11/291:57 pm -
2 stops14h 43m
Deal found 10/21![Multiple Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 am -
2 stops16h 28m
Wed 12/28:39 am -
2 stops19h 51m
Deal found 10/26![Delta logo]()
$703
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/2112:25 pm -
2 stops18h 36m
Sun 11/299:50 pm -
1 stop17h 05m
Deal found 10/25![United Airlines logo]()
$735
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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.
Sat 4/177:10 am -
2 stops18h 22m
Fri 4/2310:10 am -
2 stops16h 40m
Deal found 10/23![Delta logo]()
$722
Last-minute flights from Bilbao to ChicagoDiscover last-minute flight deals from Bilbao to Chicago. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Chicago. Data last updated October 26, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:10 pm -
1 stop34h 20m
Sun 11/228:10 pm -
1 stop38h 45m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$569
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/196:45 am -
1 stop15h 10m
Thu 12/39:00 am -
2 stops16h 30m
Deal found 10/22![American Airlines logo]()
$560
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Sat 11/2112:25 pm -
1 stop34h 05m
Sun 11/298:10 pm -
1 stop15h 25m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 40m
Sun 11/295:40 pm -
1 stop12h 10m
Deal found 10/24![American Airlines logo]()
$588
This British Airways deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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.
Sat 11/219:15 am -
1 stop12h 40m
Sun 11/295:40 pm -
1 stop12h 10m
Deal found 10/22![British Airways logo]()
$589
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/251:35 pm -
2 stops16h 02m
Thu 12/311:35 am -
2 stops13h 55m
Deal found 10/23![American Airlines logo]()
$592
This Iberia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/256:45 am -
1 stop15h 10m
Thu 12/32:34 pm -
2 stops15h 16m
Deal found 10/26![Iberia logo]()
$612
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 October 26, 2026.
Search for one-way flight options from Bilbao to Chicago. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:40 pm -
1 stop27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$368
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/63:55 pm -
1 stop29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Aer Lingus logo]()
$498
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:35 pm -
2 stops33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$525
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 October 26, 2026.
Round-trip from | $537 (Iberia) |
|---|---|
One-way from | $368 (Booking.com) |
Popular in | August |
Cheapest in | February |
Average price | $577 |
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 7,457,451 searches. Data last updated October 26, 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 Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Tue 11/24
6:40 pm-3:30 pm
1 stop27h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$368
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sun 12/6
3:55 pm-2:10 pm
1 stop29h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$498
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Tue 11/24
12:35 pm-3:30 pm
2 stops33h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$525
Quickest round-trip
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 11/21
9:15 am-2:55 pm
1 stop12h 40m
Chicago O'Hare Intl
Sun 11/29
5:40 pm-12:50 pm
1 stop12h 10m
$589
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Thu 1/14
12:10 pm-3:30 pm
1 stop34h 20m
Chicago O'Hare Intl
Sun 1/17
8:10 pm-6:35 pm
1 stop15h 25m
$605
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 11/21
6:45 am-6:20 pm
2 stops18h 35m
Chicago O'Hare Intl
Sun 11/29
6:10 pm-11:15 pm
1 stop22h 05m
$693
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Wed 11/11
6:50 am-2:25 pm
1 stop14h 35m
Chicago O'Hare Intl
Sun 11/15
6:25 pm-5:25 pm
1 stop16h 00m
$698
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Wed 11/25
6:50 am-4:18 pm
2 stops16h 28m
Chicago O'Hare Intl
Wed 12/2
8:39 am-11:30 am
2 stops19h 51m
$703
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
Mon 1/18
9:50 pm-11:10 pm
1 stop18h 20m
$708
BilbaoChicago
BIO Bilbao - ORD Chicago O'Hare Intl
BIOORD
Bilbao
Sat 4/17
7:10 am-6:32 pm
2 stops18h 22m
Chicago O'Hare Intl
Fri 4/23
10:10 am-9:50 am
2 stops16h 40m
$722
Showing 1-10 of 12 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
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
What is the cheapest month to book a flight from Bilbao to Chicago?
Currently, January is the cheapest month in which you can book a flight from Bilbao to Chicago (average of $448). Flying from Bilbao to Chicago in August is currently the most expensive (average of $865). 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.
How much does it cost to fly round-trip from Bilbao to Chicago?
Airfare is below average for this route at the moment.
Bilbao to Chicago flights typically cost between $560 and $836 in January.The cheapest round-trip price found within the last 5 days was $537 on Iberia (Jan 14-Jan 18).
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
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
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