Cheap flights from Chicago (CHI) to Bilbao (BIO)

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The best prices from Chicago to Bilbao are usually found in October or February, booked 36 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
Chicago (CHI) to Bilbao (BIO)

All the information you need to plan the best CHI to BIO flight in 2021: compare Chicago to Bilbao flight prices with the expected peak season, weather and rainfall in Bilbao.
CHI - BIO
Price
$529 - $859
BIO
Temperature
48.2 - 68 °F
BIO
Precipitation
2.4 - 5.6 inches

Popular in

June

High demand for flights, 23% potential price rise

Cheapest in

October

Best time to find cheap flights, 20% potential price drop

Round-trip from

$529

From Chicago (CHI) to Bilbao

One-way from

$435

One-way flight from Chicago (CHI) to Bilbao

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago to Bilbao?

Monday is generally a great day to depart. Flying on this day could help you save up to 48%.

When is the cheapest time to fly from Chicago to Bilbao (CHI - BIO)?

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Chicago to Bilbao by exploring options for tickets in the afternoon.

What is the cheapest month to fly from Chicago to Bilbao?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Bilbao. Flights to Bilbao from Chicago in October are about $662 on average during October, but can be found for as low as $490.

How far in advance should I book a flight from Chicago to Bilbao?

To save up to 4% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Bilbao from $686 1-2 weeks out and tickets from $700 for flights departing within the next 72 hours.

Cheap flights from Chicago to Bilbao in October, November 2021

The best prices found for CHI to BIO flights for October, November
30 Nov - 15 Dec
$493pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
BIO
Bilbao
BIO
Bilbao
KLM
 
1 STOP
ORD
Chicago O'Hare Intl
30 Nov - 13 Dec
$498pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
KLM
 
1 STOP
ORD
Chicago O'Hare Intl
30 Nov - 15 Dec
$499pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
KLM
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago to Bilbao 2021 flight deals

Cheap flights to Bilbao from Chicago found for this year
1 Dec - 16 Dec
$486pp
ORD
Chicago O'Hare Intl
Iberia
 
1 STOP
BIO
Bilbao
BIO
Bilbao
Iberia
 
1 STOP
ORD
Chicago O'Hare Intl
3 Dec - 15 Dec
$488pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
BIO
Bilbao
BIO
Bilbao
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
30 Nov - 15 Dec
$493pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
BIO
Bilbao
BIO
Bilbao
KLM
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Bilbao from Chicago

The cheapest one-way flights from Chicago to Bilbao
5:15 pm - 11:50 am
TAP AIR PORTUGAL
1 Stop
11h 35m
ORD - BIO
TAP AIR PORTUGAL
$435
mytrip.com
9:59 am - 11:55 am
British Airways
2 Stops
18h 56m
ORD - BIO
British Airways
$459
FlightHub
1:00 pm - 3:40 am
Iberia
2 Stops
31h 40m
ORD - BIO
Iberia
$469
Travelgenio

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chicago</span> to <span class="emphasized">Bilbao</span> flights.

Flight FAQs

From Chicago to Bilbao

What airport do you fly into for flights to Bilbao from Chicago?

Bilbao (BIO) is the airport you will fly into if you book a flight from Chicago to Bilbao. You should not have trouble finding flights to Bilbao from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 10 airlines have flights to the Bilbao airport from Chicago. It is only a 3.0 mi journey from Bilbao (BIO) to Bilbao’s city center.

Which airlines flying from Chicago to Bilbao have flexible cancellations due to COVID-19?

Lufthansa, Iberia, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Chicago to Bilbao for under $400 on Cheapflights?

Yes, there are multiple flights from Chicago to Bilbao for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $327, but on average you can expect to pay $445.

What are the cheapest airlines flying from Chicago to Bilbao round-trip?

Cheapflights users have booked flights from Chicago to Bilbao round-trip from $327. Other airlines that can offer you cheap pricing are Iberia, from $486, and Delta, from $493. TAP AIR PORTUGAL is 50% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Chicago to Bilbao one-way?

One-way options have recently been found by users for as low as $375 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include British Airways from $459 and Delta from $464 one-way.

What are the most popular airlines that fly from Chicago to Bilbao?

Before booking your flight from Chicago to Bilbao check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What are the cheapest flights from Chicago to Bilbao?

On average you can expect to pay $534 for a flight from Chicago to Bilbao. The cheapest flight overall is $362 while the most popular route, (Chicago O'Hare Intl - Bilbao) is currently priced at $327.

COVID Restrictions

View COVID Travel Restrictions for Bilbao, Spain

Do I need a COVID test to fly to Bilbao from Chicago?

Information is based on travel restrictions from Chicago to Bilbao

Most visitors from Chicago need to provide a negative COVID-19 test result and/or quarantine to enter Bilbao.

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for rt-pcr (naat) and 48 for antigen (quick-test) hours before departing to Bilbao.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Bilbao.

Do I need a test to fly back to Chicago from Bilbao?

Returning to Chicago from Bilbao

COVID-19 testing requirements
Visitors from Bilbao must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from Bilbao are not required to quarantine after entering Chicago.

Hide COVID Travel Restrictions for Bilbao, Spain

Destination information for Bilbao

Things to know before you go - useful duration and weather info for your trip from Chicago to Bilbao.
Today's exchange rate
$1 = €0.87
Average temperature for October in Bilbao
71.6 °F
Avg rainfall for October in Bilbao
4.4 ″

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Airports servicing Bilbao

Top 7 airlines flying from Chicago to Bilbao

The chart below displays the airlines Cheapflights users traveling from Chicago to Bilbao choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
KLM
$465 $652 No cancel fee 75%
Delta
$467 $633 No cancel fee N/A
Iberia
$476 $742 No cancel fee 77%
American Airlines
$482 $767 No cancel fee 71%
Lufthansa
$497 $839 No cancel fee 76%
British Airways
$523 $886 No cancel fee 70%
Aer Lingus
$712 $830 No cancel fee N/A
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