$527 Cheap Flights from Baltimore (BWI) to Olbia (OLB)

View $527 flight on Sun, Sep 20, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Costa Smeralda Airport (OLB)

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Cheap Flights from Baltimore to Olbia (BWI-OLB)

Prices were available within the past 7 days and start at $527 for one-way flights and $649 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, Sep 10 - Thu, Sep 17
BWI
Baltimore
OLB
Olbia
$649 Roundtrip, found 5 days ago
$649
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Sep 10 from Baltimore to Olbia, returning Thu, Sep 17, priced at $649 found 5 days ago
British Airways
Fri, Sep 4 - Mon, Sep 14
BWI
Baltimore
OLB
Olbia
$736 Roundtrip, found 1 day ago
$736
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Mon, Sep 14, priced at $736 found 1 day ago
British Airways
Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
OLB
Olbia
$796 Roundtrip, found 3 days ago
$796
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Fri, Sep 11, priced at $796 found 3 days ago
British Airways
Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
OLB
Olbia
$808 Roundtrip, found 3 days ago
$808
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Fri, Sep 11, priced at $808 found 3 days ago
British Airways
Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
OLB
Olbia
$831 Roundtrip, found 3 days ago
$831
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Fri, Sep 11, priced at $831 found 3 days ago
Iberia
Thu, Sep 10 - Thu, Sep 17
BWI
Baltimore
OLB
Olbia
$849 Roundtrip, found 5 days ago
$849
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 10 from Baltimore to Olbia, returning Thu, Sep 17, priced at $849 found 5 days ago
British Airways
Mon, Jun 1 - Thu, Jun 18
BWI
Baltimore
OLB
Olbia
$862 Roundtrip, found 3 days ago
$862
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Jun 1 from Baltimore to Olbia, returning Thu, Jun 18, priced at $862 found 3 days ago
American Airlines
Fri, Sep 4 - Mon, Sep 14
BWI
Baltimore
OLB
Olbia
$948 Roundtrip, found 1 day ago
$948
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Mon, Sep 14, priced at $948 found 1 day ago
Finnair
Fri, Sep 4 - Mon, Sep 14
BWI
Baltimore
OLB
Olbia
$1,100 Roundtrip, found 1 day ago
$1,100
Roundtrip
found 1 day ago
Select Finnair flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Mon, Sep 14, priced at $1,100 found 1 day ago
Delta
Fri, Sep 4 - Mon, Sep 14
BWI
Baltimore
OLB
Olbia
$1,593 Roundtrip, found 1 day ago
$1,593
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 4 from Baltimore to Olbia, returning Mon, Sep 14, priced at $1,593 found 1 day ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB) cost?
Snag a cheap one-way flight from $527 or cheap return flight from $649 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB)?
The cheapest month to fly from BWI to OLB is September, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from BWI to OLB. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB)?
Nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to OLB?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB)?
To reach Costa Smeralda Airport (OLB) without delays, pick a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB) last-minute?
Booking your plane ticket from BWI to OLB right before your getaway is usually more expensive. But if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a BWI to OLB flight and hotel package?
Booking a BWI to OLB flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Costa Smeralda Airport (OLB)?
Generally, it's possible to cancel or reschedule your BWI to OLB flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Costa Smeralda
Roundtrip price
$649
Distance
4358 mi

Book with confidence

Baltimore to Olbia Flights

The cheapest times to fly from Baltimore to Olbia

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

 

The best time to book a flight from Baltimore to Olbia

Sunday is one of the best days to book for cheap flights from Baltimore to Olbia: 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 Baltimore to Olbia

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 Baltimore to Olbia in 2025. You can also book with separate airlines for your outbound and return journeys, from $527 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 Baltimore to Olbia 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 Baltimore to Olbia 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.

 

Baltimore to Olbia Flights

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*Available to One Key members.