$389 Cheap Flights from Boston (BOS) to Santander (SDR)

View $389 flight on Sun, Oct 5, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Santander (SDR)

Cheap Flights from Boston to Santander (BOS-SDR)

Prices were available within the past 7 days and start at $389 for one-way flights and $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Tue, Nov 11 - Tue, Nov 18
BOS
Boston
SDR
Santander
$406 Roundtrip, found 23 hours ago
$406
Roundtrip
found 23 hours ago
Select Iberia flight, departing Tue, Nov 11 from Boston to Santander, returning Tue, Nov 18, priced at $406 found 23 hours ago
Iberia
Mon, Dec 1 - Wed, Dec 10
BOS
Boston
SDR
Santander
$407 Roundtrip, found 5 days ago
$407
Roundtrip
found 5 days ago
Select Iberia flight, departing Mon, Dec 1 from Boston to Santander, returning Wed, Dec 10, priced at $407 found 5 days ago
Iberia
Wed, Dec 3 - Fri, Dec 12
BOS
Boston
SDR
Santander
$408 Roundtrip, found 4 days ago
$408
Roundtrip
found 4 days ago
Select Iberia flight, departing Wed, Dec 3 from Boston to Santander, returning Fri, Dec 12, priced at $408 found 4 days ago
Iberia
Tue, Nov 11 - Tue, Nov 18
BOS
Boston
SDR
Santander
$415 Roundtrip, found 23 hours ago
$415
Roundtrip
found 23 hours ago
Select Iberia flight, departing Tue, Nov 11 from Boston to Santander, returning Tue, Nov 18, priced at $415 found 23 hours ago
Iberia
Wed, Dec 3 - Fri, Dec 12
BOS
Boston
SDR
Santander
$417 Roundtrip, found 4 days ago
$417
Roundtrip
found 4 days ago
Select Iberia flight, departing Wed, Dec 3 from Boston to Santander, returning Fri, Dec 12, priced at $417 found 4 days ago
Iberia
Wed, Dec 3 - Fri, Dec 12
BOS
Boston
SDR
Santander
$432 Roundtrip, found 4 days ago
$432
Roundtrip
found 4 days ago
Select Iberia flight, departing Wed, Dec 3 from Boston to Santander, returning Fri, Dec 12, priced at $432 found 4 days ago
Iberia
Wed, Feb 4 - Wed, Feb 11
BOS
Boston
SDR
Santander
$442 Roundtrip, found 18 hours ago
$442
Roundtrip
found 18 hours ago
Select Iberia flight, departing Wed, Feb 4 from Boston to Santander, returning Wed, Feb 11, priced at $442 found 18 hours ago
British Airways
Sun, Nov 9 - Thu, Nov 20
BOS
Boston
SDR
Santander
$447 Roundtrip, found 23 hours ago
$447
Roundtrip
found 23 hours ago
Select British Airways flight, departing Sun, Nov 9 from Boston to Santander, returning Thu, Nov 20, priced at $447 found 23 hours ago
Iberia
Mon, Dec 1 - Wed, Dec 10
BOS
Boston
SDR
Santander
$451 Roundtrip, found 5 days ago
$451
Roundtrip
found 5 days ago
Select Iberia flight, departing Mon, Dec 1 from Boston to Santander, returning Wed, Dec 10, priced at $451 found 5 days ago
Iberia
Mon, Dec 1 - Wed, Dec 10
BOS
Boston
SDR
Santander
$454 Roundtrip, found 5 days ago
$454
Roundtrip
found 5 days ago
Select Iberia flight, departing Mon, Dec 1 from Boston to Santander, returning Wed, Dec 10, priced at $454 found 5 days ago

Alternative airports near Santander

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Santander SDR. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $1,018
SDR
Santander
CheapestClosest
Average driving time to city center9 min
Flights from $1,018
Flights from Boston (BOS) to Santander (SDR)
Origin airport
Logan Intl.
Destination airport
Santander
Airlines serving
Iberia
Roundtrip price
$406
Distance
3305 mi

Boston to Santander Flights

The cheapest times to fly from Boston to Santander

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

 

The best time to book a flight from Boston to Santander

Sunday is one of the best days to book for cheap flights from Boston to Santander: 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 Boston to Santander

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 Boston to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $389 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 Boston to Santander 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 Boston to Santander 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 Logan Intl. Airport (BOS) to Santander Airport (SDR) cost?
Lock in a cheap one-way flight from $389 or cheap return flight from $406 from Logan Intl. Airport (BOS) to Santander Airport (SDR) 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 Logan Intl. Airport (BOS) to Santander Airport (SDR)?
November is the least expensive month to fly from BOS to SDR. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Santander Airport (SDR)?
To find the cheapest airline flying from BOS to SDR, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Santander Airport (SDR)?
You'll have to book a flight with a layover when traveling from Logan Intl. Airport (BOS) to Santander Airport (SDR). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BOS to SDR?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the season 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 Logan Intl. Airport (BOS) to Santander Airport (SDR)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Santander Airport (SDR) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Logan Intl. Airport (BOS) to Santander Airport (SDR) last-minute?
Holding off until just before your trip to book your flight from BOS to SDR often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a BOS to SDR flight and hotel package?
Securing a BOS to SDR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Santander Airport (SDR)?
If you reserved your BOS to SDR flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket 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 for more details.

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*Available to One Key members.