$1,005 Cheap Flights from Reykjavik (KEF) to Santander (SDR)

View $1,005 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Santander (SDR)

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Cheap Flights from Reykjavik to Santander (KEF-SDR)

Prices were available within the past 7 days and start at $1,005 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Santander Airport (SDR) cost?
Secure a cheap one-way flight from $1,005 or cheap return flight from Keflavik Intl. Airport (KEF) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Keflavik Intl. Airport (KEF) to Santander Airport (SDR)?
The cheapest month to fly from KEF to SDR is , when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Keflavik Intl. Airport (KEF) to Santander Airport (SDR)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from KEF to SDR. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Keflavik Intl. Airport (KEF) to Santander Airport (SDR)?
Direct flights from Keflavik Intl. Airport (KEF) to Santander Airport (SDR) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KEF to SDR?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, such as 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 Keflavik Intl. Airport (KEF) to Santander Airport (SDR)?
Opt for a flight from Keflavik Intl. Airport (KEF) to Santander Airport (SDR) that leaves before 3 PM to reduce the likelihood of 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 Keflavik Intl. Airport (KEF) to Santander Airport (SDR) last-minute?
Holding off until just before your departure to book a ticket from KEF to SDR generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a KEF to SDR flight and hotel package?
You'll typically save money by securing a KEF to SDR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Santander Airport (SDR)?
If you reserved your KEF to SDR flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Santander
Distance
1601 mi

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Reykjavik to Santander Flights

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

 

The best time to book a flight from Reykjavik to Santander

Sunday is one of the best days to book for cheap flights from Reykjavik 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 Reykjavik 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 Reykjavik to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,005 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 Reykjavik 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 Reykjavik 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.

 

Reykjavik to Santander Flights

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*Available to One Key members.