Cheap Flights from Denver International to San Sebastian

Compare Denver International to San Sebastian flight deals

Find the cheapest month or even day of the year to fly to San Sebastian

Book the best San Sebastian fare with no extra fees

Flight deals from Denver International to San Sebastian

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to San Sebastian Airport? If you want to travel next month, return fares start from R 16,039. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to San Sebastian

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to San Sebastian flights are currently cheapest in September.

Denver to San Sebastian: Flight information

The things to know before you go.
Cheapest flight foundR 8,575
Cheapest month to flySeptember

Finding cheap flights from Denver International to San Sebastian: Frequently asked questions

The best price we found for a return flight from Denver International to San Sebastian is R 13,032. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to San Sebastian. But we found flights with one or more stops from R 13,032.
As of July 2026, there are no flights flying from Denver International to San Sebastian.
The cheapest month to fly from Denver International to San Sebastian is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to San Sebastian Airport on Wednesday, 14 October 2026.
No airlines currently offer direct flights between Denver International Airport and San Sebastian Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Sebastian but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Sebastian is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Icelandair offers the cheapest flight tickets to San Sebastian.

Travelling from Denver International Airport (DEN) to San Sebastian Airport (EAS): what you need to know

  • The timezone in San Sebastian is UTC+1, which is eight hours ahead of Denver.

  • Arrive at the airport on time so you don't miss your DEN to EAS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak month such as July? School holidays and other popular periods can mean longer queues and delays at security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

How to find the cheapest flights from Denver International Airport (DEN) to San Sebastian Airport (EAS)

  • At the moment, R 8,575 is the cheapest price we've seen for a one-way Denver International Airport to San Sebastian Airport flight. The best price for a return ticket is R 12,999. Remember that fares could change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from DEN to EAS if you book ahead. Airlines often offer some amazing early bird deals.

  • The 'Whole month' tool shows you the cheapest flights from Denver International Airport to San Sebastian Airport across each month. It's an easy way to snap up a bargain if your travel plans aren't set in stone.

  • Save time looking for cheap flights from DEN to EAS by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare becomes available.

  • Lock in the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Denver International Airport to San Sebastian Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport has an excellent on-time record, reducing your chances of a delayed flight. Departures from DEN touch down on schedule 80% of the time.

  • Denver International Airport is around 40 kilometres from central Denver. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 35 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of around 35 minutes when using public transport.

  • Searching for a place to stay before your flight from Denver International Airport to San Sebastian Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before making your way to DEN.

Arriving at San Sebastian Airport (EAS)

  • Consider staying in a hotel close to EAS if you're catching a late Denver International Airport to San Sebastian Airport flight. Select one of these options and avoid the hassle of a long transfer:

  • Pick up a San Sebastian Airport rental car and explore San Sebastian and beyond with your own set of wheels. Europcar, Keddy By Europcar and Hertz are popular providers you can book with here.

  • For the best deal, book your vehicle from San Sebastian Airport about two weeks in advance.

Getting from San Sebastian Airport (EAS) to central San Sebastian

  • From San Sebastian Airport, San Sebastian is approximately 19 kilometres away. It takes around 25 minutes to get to the centre driving.

  • Getting there on public transport will take you roughly 40 minutes.

When to fly to San Sebastian Airport (EAS)

  • June is the busiest month for flights from Denver International Airport to San Sebastian Airport. To steer clear of the crowds, travel to San Sebastian in March.

  • When reserving your flight from Denver International Airport to San Sebastian Airport, consider the type of weather you enjoy. August is the warmest month in San Sebastian, with the temperature ranging from 15ºC (59ºF) to 25ºC (77ºF).

  • January sees average temperatures of between 4ºC (39ºF) and 13ºC (55ºF). Look for cheap tickets from DEN to EAS around that time if you want to travel in cooler conditions.

Explore more of Spain

  • You've seen San Sebastian, now it's time to discover other parts of Spain. Travel around 209 kilometres south-east to Zaragoza to check off its leading attractions. From Plaza del Pilar to La Seo del Salvador and Basílica de Nuestra Senora del Pilar, you'll have a packed itinerary ahead.

  • Salamanca is another must-experience destination in Spain and is around 402 kilometres south-west of San Sebastian. No journey is complete without seeing Catedral de Salamanca, Salamanca, Casco Historico and Plaza Mayor.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.