$688 Cheap Flights from Islamabad (ISB) to Bilbao (BIO)

View $688 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Benazir Bhutto Intl. Airport (ISB) to Bilbao Airport (BIO)

Cheap Flights from Islamabad to Bilbao (ISB-BIO)

Prices were available within the past 7 days and start at $688 for one-way flights and $922 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$922 Roundtrip, found 6 days ago
$922
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $922 found 6 days ago
Emirates
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$968 Roundtrip, found 6 days ago
$968
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $968 found 6 days ago
Emirates
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,386 Roundtrip, found 6 days ago
$1,386
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,386 found 6 days ago
Emirates
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,413 Roundtrip, found 6 days ago
$1,413
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,413 found 6 days ago
Emirates
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,433 Roundtrip, found 6 days ago
$1,433
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,433 found 6 days ago
Qatar Airways
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,434 Roundtrip, found 6 days ago
$1,434
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,434 found 6 days ago
Qatar Airways
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,437 Roundtrip, found 6 days ago
$1,437
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,437 found 6 days ago
Qatar Airways
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$1,442 Roundtrip, found 6 days ago
$1,442
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $1,442 found 6 days ago
British Airways
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$3,109 Roundtrip, found 6 days ago
$3,109
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $3,109 found 6 days ago
Etihad Airways
Tue, Oct 21 - Thu, Oct 30
ISB
Islamabad
BIO
Bilbao
$3,433 Roundtrip, found 6 days ago
$3,433
Roundtrip
found 6 days ago
Select Etihad Airways flight, departing Tue, Oct 21 from Islamabad to Bilbao, returning Thu, Oct 30, priced at $3,433 found 6 days ago
Flights from Islamabad (ISB) to Bilbao (BIO)
Origin airport
Islamabad Intl.
Destination airport
Bilbao
Roundtrip price
$921
Distance
4013 mi

Islamabad to Bilbao Flights

The cheapest times to fly from Islamabad to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islamabad to Bilbao are during the month of October. You can find some of the cheapest flights from Islamabad to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islamabad to Bilbao

Sunday is one of the best days to book for cheap flights from Islamabad to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islamabad to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islamabad to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $688 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islamabad to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islamabad to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO) cost?
Get a cheap one-way flight from $688 or cheap return flight from $922 from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO)?
The cheapest month to fly from ISB to BIO is October, when there's less demand. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ISB to BIO flight.
How many flights per day from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO)?
Nonstop flights from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISB to BIO?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO)?
Choose a flight from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO) last-minute?
Last-minute bookings from ISB to BIO are generally more expensive. For the cheapest rates, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book an ISB to BIO flight and hotel package?
You'll typically save money by booking an ISB to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Islamabad Intl. Airport (ISB) to Bilbao Airport (BIO)?
It's usually possible to reschedule or cancel your ISB to BIO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.