$756 Cheap Flights from Philadelphia (PHL) to Santander (SDR)

View $756 flight on Mon, Aug 10, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Santander (SDR)

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Cheap Flights from Philadelphia to Santander (PHL-SDR)

Prices were available within the past 7 days and start at $756 for one-way flights and $562 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Mar 3 - Wed, Mar 18
PHL
Philadelphia
SDR
Santander
$562 Roundtrip, found 6 days ago
$562
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Mar 3 from Philadelphia to Santander, returning Wed, Mar 18, priced at $562 found 6 days ago
British Airways
Mon, Mar 2 - Wed, Mar 18
PHL
Philadelphia
SDR
Santander
$566 Roundtrip, found 6 days ago
$566
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Mar 2 from Philadelphia to Santander, returning Wed, Mar 18, priced at $566 found 6 days ago
Iberia
Tue, Mar 3 - Sun, Mar 15
PHL
Philadelphia
SDR
Santander
$576 Roundtrip, found 13 hours ago
$576
Roundtrip
found 13 hours ago
Select Iberia flight, departing Tue, Mar 3 from Philadelphia to Santander, returning Sun, Mar 15, priced at $576 found 13 hours ago
American Airlines
Sun, Mar 22 - Thu, Apr 9
PHL
Philadelphia
SDR
Santander
$592 Roundtrip, found 6 days ago
$592
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Mar 22 from Philadelphia to Santander, returning Thu, Apr 9, priced at $592 found 6 days ago
Iberia
Tue, Mar 3 - Sun, Mar 15
PHL
Philadelphia
SDR
Santander
$594 Roundtrip, found 13 hours ago
$594
Roundtrip
found 13 hours ago
Select Iberia flight, departing Tue, Mar 3 from Philadelphia to Santander, returning Sun, Mar 15, priced at $594 found 13 hours ago
Iberia
Tue, Mar 3 - Sun, Mar 15
PHL
Philadelphia
SDR
Santander
$610 Roundtrip, found 13 hours ago
$610
Roundtrip
found 13 hours ago
Select Iberia flight, departing Tue, Mar 3 from Philadelphia to Santander, returning Sun, Mar 15, priced at $610 found 13 hours ago
British Airways
Thu, Jan 8 - Wed, Jan 14
PHL
Philadelphia
SDR
Santander
$616 Roundtrip, found 6 days ago
$616
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Jan 8 from Philadelphia to Santander, returning Wed, Jan 14, priced at $616 found 6 days ago
American Airlines
Tue, Mar 3 - Sun, Mar 15
PHL
Philadelphia
SDR
Santander
$622 Roundtrip, found 13 hours ago
$622
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Mar 3 from Philadelphia to Santander, returning Sun, Mar 15, priced at $622 found 13 hours ago
British Airways
Sun, Mar 1 - Wed, Mar 18
PHL
Philadelphia
SDR
Santander
$632 Roundtrip, found 6 days ago
$632
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Mar 1 from Philadelphia to Santander, returning Wed, Mar 18, priced at $632 found 6 days ago
British Airways
Thu, Feb 19 - Mon, Feb 23
PHL
Philadelphia
SDR
Santander
$634 Roundtrip, found 4 days ago
$634
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Feb 19 from Philadelphia to Santander, returning Mon, Feb 23, priced at $634 found 4 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR) cost?
Snag a cheap one-way flight from $756 or cheap return flight from $562 from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR)?
March is the least expensive month to fly from PHL to SDR. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR)?
To find the cheapest airline flying from PHL to SDR, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR)?
Nonstop flights from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to SDR?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, carrier 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 Philadelphia Intl. Airport (PHL) to Santander Airport (SDR)?
To land at Santander Airport (SDR) without delays, select a flight that leaves Philadelphia Intl. Airport (PHL) 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 Philadelphia Intl. Airport (PHL) to Santander Airport (SDR) last-minute?
Last-minute bookings from PHL to SDR are typically more expensive. To secure the best rates, start looking for flights early. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a PHL to SDR flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHL to SDR flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Santander Airport (SDR)?
It's usually possible to reschedule or cancel your PHL to SDR flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Santander
Airlines serving
Iberia
Roundtrip price
$561
Distance
3579 mi

Book with confidence

Philadelphia to Santander Flights

The cheapest times to fly from Philadelphia 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 Philadelphia to Santander are during the month of March. You can find some of the cheapest flights from Philadelphia to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Santander

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $756 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Santander Flights

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*Available to One Key members.