$338 Cheap flight deals from Denver (DEN) to San Sebastián (EAS)

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Airfares from $338 One Way, $721 Round Trip from Denver to San Sebastián

Prices starting at $721 for return flights and $338 for one-way flights to San Sebastián were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 11 - Mon, Jan 18
DEN
Denver
BIO
Bilbao
$721 Roundtrip, found 2 days ago
$721
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Jan 11 from Denver to Bilbao, returning Mon, Jan 18, priced at $721 found 2 days ago
Mon, Jan 11 - Mon, Jan 18
DEN
Denver
BIO
Bilbao
$733 Roundtrip, found 2 days ago
$733
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jan 11 from Denver to Bilbao, returning Mon, Jan 18, priced at $733 found 2 days ago
Thu, Jan 28 - Mon, Feb 1
DEN
Denver
BIO
Bilbao
$802 Roundtrip, found 5 days ago
$802
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Thu, Jan 28 from Denver to Bilbao, returning Mon, Feb 1, priced at $802 found 5 days ago
Fri, Mar 12 - Sun, Mar 21
DEN
Denver
BIO
Bilbao
$837 Roundtrip, found 1 day ago
$837
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Fri, Mar 12 from Denver to Bilbao, returning Sun, Mar 21, priced at $837 found 1 day ago
Thu, Jan 28 - Mon, Feb 1
DEN
Denver
BIO
Bilbao
$858 Roundtrip, found 5 days ago
$858
Roundtrip
found 5 days ago
Select Finnair flight, departing Thu, Jan 28 from Denver to Bilbao, returning Mon, Feb 1, priced at $858 found 5 days ago

San Sebastián economy flight packages

Price found within the past 48 hours. Click for updated prices.
Colectia Hotel Urumea
2.0-star property

Colectia Hotel Urumea

8.8/10 Excellent! (210 reviews)

Dec 3 - Dec 7

4 night stay

Denver (DEN) to Bilbao (BIO)

Iberia • Roundtrip • Coach
Price was $1,098, price is now $996 per person
$996
per person
found 2 hours ago
This property was in a great location to walk along the river to the station and to old town. We enjoyed our walks every time. We spent most of our time in old town or taking day trips from the station, so the location was perfect. The price was right for what the hotel provided.

Reviewed on Oct 9, 2026

Hotel Atari
2.0-star property

Hotel Atari

9.6/10 Exceptional! (406 reviews)

Dec 3 - Dec 7

4 night stay

Denver (DEN) to Bilbao (BIO)

Iberia • Roundtrip • Coach
Price was $1,340, price is now $1,187 per person
$1,187
per person
found 2 hours ago

Hotel ILUNION San Sebastian
4.0-star property

Hotel ILUNION San Sebastian

9.4/10 Exceptional! (401 reviews)

Dec 3 - Dec 7

4 night stay

Denver (DEN) to Bilbao (BIO)

Iberia • Roundtrip • Coach
Price was $1,135, price is now $1,030 per person
$1,030
per person
found 2 hours ago
Really lovely hotel and would not hesitate to book again should we return to gorgeous San Sebastián.

Reviewed on Oct 11, 2026

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More About Flying To San Sebastián from Denver

Route Information for Flights from Denver to San Sebastián

Origin Airport IATA Code
DEN
Destination Airport IATA Code
EAS
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Denver to San Sebastián

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Frequently asked questions

What is the shortest flight from Denver to San Sebastian?
Taking at least 11 hours, the trip from DEN to Bilbao Airport is considered a long-haul flight. Try to get some shut-eye while you're in the air to arrive feeling refreshed.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.