$138 Cheap Flights from Porto (OPO) to Billund (BLL)

View $138 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Porto Airport (OPO) to Billund (BLL)

Cheap Flights from Porto to Billund (OPO-BLL)

Prices were available within the past 7 days and start at $138 for one-way flights and $425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$425 Roundtrip, found 6 days ago
$425
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $425 found 6 days ago
Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$437 Roundtrip, found 6 days ago
$437
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $437 found 6 days ago
Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$446 Roundtrip, found 6 days ago
$446
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $446 found 6 days ago
Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$453 Roundtrip, found 6 days ago
$453
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $453 found 6 days ago
Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$464 Roundtrip, found 6 days ago
$464
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $464 found 6 days ago
Lufthansa
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$473 Roundtrip, found 6 days ago
$473
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $473 found 6 days ago
TAP Portugal
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$494 Roundtrip, found 6 days ago
$494
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $494 found 6 days ago
Norwegian Air Shuttle
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$508 Roundtrip, found 6 days ago
$508
Roundtrip
found 6 days ago
Select Norwegian Air Shuttle flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $508 found 6 days ago
Scandinavian Airlines
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$606 Roundtrip, found 6 days ago
$606
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $606 found 6 days ago
LOT-Polish Airlines
Mon, May 18 - Tue, May 19
OPO
Porto
BLL
Billund
$790 Roundtrip, found 6 days ago
$790
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Mon, May 18 from Porto to Billund, returning Tue, May 19, priced at $790 found 6 days ago

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL) cost?
Grab a cheap one-way flight from $138 or cheap return flight from $425 from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL)?
Planning your getaway for May is a good way to save, as it's the cheapest month for flights between OPO and BLL. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL)?
To find the cheapest airline that'll fly you from OPO to BLL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL)?
There aren't any daily nonstop flights available from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from OPO to BLL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL)?
To reach Billund Airport (BLL) on time, book a flight that leaves from Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL) last-minute?
Waiting until right before your break to book a flight from OPO to BLL often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book an OPO to BLL flight and hotel package?
You'll generally save money by booking an OPO to BLL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Billund Airport (BLL)?
If you reserved your OPO to BLL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Billund
Roundtrip price
$425
Distance
1284 mi

Book with confidence

Book with confidence

Porto to Billund Flights

The cheapest times to fly from Porto to Billund

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 Porto to Billund are during the month of May. You can find some of the cheapest flights from Porto to Billund with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Billund

Sunday is one of the best days to book for cheap flights from Porto to Billund: 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 Porto to Billund

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 Porto to Billund in 2025. You can also book with separate airlines for your outbound and return journeys, from $138 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 Porto to Billund 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 Porto to Billund 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.

 

Porto to Billund Flights

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*Available to One Key members.