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DEN - EAS

$943 Find Cheap Flights from Denver to San Sebastian - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$943
Typical prices: $1,071-$1,121
Iberia
Wed 11/14Wed 11/21
DEN - EAS • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from Denver to San Sebastian (DEN-EAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to San Sebastian

Sat, Nov 14 - Sat, Nov 21
Iberia Logo
6:11 pm - 1:00 pmDEN  Denver Intl-EAS San Sebastián
34h 49m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
1:40 pm - 8:13 amEAS  San Sebastián-DEN Denver Intl
26h 33m2 stops Madrid Barajas Dallas/Fort Worth
$943Iberia
Sat, Nov 14 - Sat, Nov 21
Multiple Airlines Logo
3:40 pm - 5:35 pmDEN  Denver Intl-EAS San Sebastián
17h 55m2 stops Reykjavik Keflavik Intl Barcelona-El Prat
Multiple Airlines Logo
2:10 pm - 3:07 pmEAS  San Sebastián-DEN Denver Intl
32h 57m3 stops Barcelona-El Prat Casablanca Mohamed V Los Angeles
$1,174Multiple Airlines
Sat, Nov 14 - Sat, Nov 21
Multiple Airlines Logo
1:30 pm - 5:35 pmDEN  Denver Intl-EAS San Sebastián
20h 05m3 stops Toronto Pearson Intl Zurich Barcelona-El Prat
Multiple Airlines Logo
2:10 pm - 3:07 pmEAS  San Sebastián-DEN Denver Intl
32h 57m3 stops Barcelona-El Prat Casablanca Mohamed V Los Angeles
$1,389Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
Finnair Logo
1:12 pm - 1:00 pmDEN  Denver Intl-EAS San Sebastián
15h 48m2 stops Dallas/Fort Worth Madrid Barajas
Finnair Logo
9:20 am - 7:53 pmEAS  San Sebastián-DEN Denver Intl
18h 33m2 stops Madrid Barajas Dallas/Fort Worth
$1,413Finnair
Mon, Dec 7 - Fri, Dec 11
British Airways Logo
4:23 pm - 1:00 pmDEN  Denver Intl-EAS San Sebastián
36h 37m2 stops Dallas/Fort Worth Madrid Barajas
British Airways Logo
9:30 pm - 7:54 pmEAS  San Sebastián-DEN Denver Intl
30h 24m2 stops Madrid Barajas Dallas/Fort Worth
$1,451British Airways
Mon, Dec 7 - Fri, Dec 11
British Airways Logo
7:33 am - 1:00 pmDEN  Denver Intl-EAS San Sebastián
21h 27m2 stops Dallas/Fort Worth Madrid Barajas
British Airways Logo
9:30 pm - 3:10 pmEAS  San Sebastián-DEN Denver Intl
25h 40m2 stops Madrid Barajas London Heathrow
$1,920British Airways
Booking Insights

Price, demand and travel trends for Denver to San Sebastian flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Denver to San Sebastian?

Round-trip flights from Denver to San Sebastian typically range from $1,071 to $1,121. The lowest price found in the past 5 days was $943, on Iberia.

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Key details for Denver to San Sebastian flights

Cheapest flight

$943
Round-trip flight from Denver to San Sebastian

When to book flights from Denver to San Sebastian

Are your dates flexible? Find out the best times to travel from Denver to San Sebastian based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to San Sebastian flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Denver to San Sebastian?

    Only Economy Class is available on flights from Denver to San Sebastian.

  • Do I need a passport to fly from Denver to San Sebastian?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Denver to San Sebastian changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $943 to $1,920. That means the highest observed fare was about 2x higher than the lowest one.

  • What car rental options are available at San Sebastián Airport (EAS)?

    San Sebastián Airport (EAS) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:

    • Enterprise Rent-A-Car
    • Alamo
    • Hertz
    • keddy by Europcar
    • Europcar

  • Which airports can I use when flying from Denver to San Sebastian?

    Flights from Denver to San Sebastian usually depart from Denver Intl (DEN) and arrive at San Sebastián (EAS).

  • Can I save money by using flexible dates for flights from Denver to San Sebastian?

    Yes. Flexible dates can save you up to 19% on flights from Denver to San Sebastian. Monday is the cheapest departure day at $1,071 round-trip on average, while Friday is the most expensive at $1,308, a difference of $237.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Denver and San Sebastian?

    San Sebastian is 8 hours ahead of Denver (Central European Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Sebastian?

    Some of the most popular sights in San Sebastian are Playa de Zurriola, Kursaal Palace San Sebastián and Palacio de Miramar. These are among the most viewed places in San Sebastian on KAYAK.

Your guide to booking Denver to San Sebastian flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $1,071, about $237 less than Friday fares (18% savings) based on the last 12 months.

More options for your flight from Denver to San Sebastian

Complete your trip to San Sebastian with a hotel stay or car rental

Car rentals in San Sebastian
Hotels in San Sebastian
Vacations in San Sebastian