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Cheap flights from Denver to San Sebastian from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Sebastian departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Denver to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:36 am - 1:00 pm
DEN
-
EAS
21h 24m
2 stops
American Airlines Logo
9:20 am - 11:45 pm
EAS
-
DEN
22h 25m
2 stops
$758American Airlines
Mon, Apr 27 - Sat, May 9
Iberia Logo
5:14 pm - 8:50 pm
DEN
-
EAS
19h 36m
2 stops
Iberia Logo
9:20 am - 11:45 pm
EAS
-
DEN
22h 25m
2 stops
$778Iberia
Mon, Apr 27 - Sat, May 9
Iberia Logo
6:40 pm - 8:40 am
DEN
-
EAS
30h 00m
2 stops
Iberia Logo
1:40 pm - 11:45 pm
EAS
-
DEN
18h 05m
2 stops
$791Iberia
Mon, Apr 27 - Sat, May 9
Multiple Airlines Logo
9:30 am - 8:40 am
DEN
-
EAS
15h 10m
2 stops
Multiple Airlines Logo
1:40 pm - 11:39 pm
EAS
-
DEN
41h 59m
2 stops
$925Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Iberia Logo
4:43 pm - 8:40 am
DEN
-
EAS
31h 57m
2 stops
Iberia Logo
9:30 pm - 11:45 pm
EAS
-
DEN
34h 15m
2 stops
$1,074Iberia
Fri, Apr 3 - Sun, Apr 12
Multiple Airlines Logo
4:40 pm - 8:20 am
DEN
-
EAS
31h 40m
3 stops
Multiple Airlines Logo
5:55 pm - 7:00 pm
EAS
-
DEN
33h 05m
3 stops
$1,468Multiple Airlines
Fri, Apr 3 - Sun, Apr 12
Multiple Airlines Logo
11:10 am - 5:20 pm
DEN
-
EAS
22h 10m
2 stops
Multiple Airlines Logo
5:55 pm - 7:00 pm
EAS
-
DEN
33h 05m
3 stops
$1,596Multiple Airlines
Fri, Apr 3 - Sun, Apr 12
Multiple Airlines Logo
11:10 am - 5:20 pm
DEN
-
EAS
22h 10m
3 stops
Multiple Airlines Logo
8:55 am - 7:55 pm
EAS
-
DEN
19h 00m
2 stops
$2,629Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
11:10 am - 5:20 pm
DEN
-
EAS
22h 10m
3 stops
Multiple Airlines Logo
5:55 pm - 3:40 pm
EAS
-
DEN
29h 45m
3 stops
$2,839Multiple Airlines
Tue, Mar 31 - Tue, Apr 7

Iberia flights from Denver to San Sebastian

Our best Iberia deals on Denver to San Sebastian flight tickets
Iberia
Apr 27
DEN5:14 pmDenver Intl
19h 36m
2 stops
EAS8:50 pmSan Sebastián
May 9
EAS9:20 amSan Sebastián
22h 25m
2 stops
DEN11:45 pmDenver Intl
$778
Iberia
Apr 27
DEN6:40 pmDenver Intl
30h 00m
2 stops
EAS8:40 amSan Sebastián
May 9
EAS1:40 pmSan Sebastián
18h 05m
2 stops
DEN11:45 pmDenver Intl
$791
Iberia
Apr 3
DEN4:43 pmDenver Intl
31h 57m
2 stops
EAS8:40 amSan Sebastián
Apr 12
EAS9:30 pmSan Sebastián
34h 15m
2 stops
DEN11:45 pmDenver Intl
$1,074

momondo Fare Finder

 
Customize your flight search to find flights from Denver to San Sebastian that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from Denver to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Mon 4/27

7:36 am-1:00 pm

2 stops21h 24m

San Sebastián

Sat 5/9

9:20 am-11:45 pm

2 stops22h 25m

$758

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Mon 4/27

5:14 pm-8:50 pm

2 stops19h 36m

San Sebastián

Sat 5/9

9:20 am-11:45 pm

2 stops22h 25m

$778

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Mon 4/27

6:40 pm-8:40 am

2 stops30h 00m

San Sebastián

Sat 5/9

1:40 pm-11:45 pm

2 stops18h 05m

$791

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Tue 3/31

9:30 am-8:40 am

2 stops15h 10m

San Sebastián

Tue 4/7

1:40 pm-11:39 pm

2 stops41h 59m

$925

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Fri 4/3

4:43 pm-8:40 am

2 stops31h 57m

San Sebastián

Sun 4/12

9:30 pm-11:45 pm

2 stops34h 15m

$1,074

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Fri 4/3

4:40 pm-8:20 am

3 stops31h 40m

San Sebastián

Sun 4/12

5:55 pm-7:00 pm

3 stops33h 05m

$1,468

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Fri 4/3

11:10 am-5:20 pm

2 stops22h 10m

San Sebastián

Sun 4/12

5:55 pm-7:00 pm

3 stops33h 05m

$1,596

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Tue 3/31

11:10 am-5:20 pm

3 stops22h 10m

San Sebastián

Tue 4/7

8:55 am-7:55 pm

2 stops19h 00m

$2,629

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Tue 3/31

11:10 am-5:20 pm

3 stops22h 10m

San Sebastián

Tue 4/7

5:55 pm-3:40 pm

3 stops29h 45m

$2,839

DenverSan Sebastian

DEN - EAS

DENEAS

Denver Intl

Sun 8/2

8:00 pm-8:40 am

2 stops28h 40m

$292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Denver to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Denver Intl to San Sebastián?

Iberia is the most popular carrier operating from Denver Intl to San Sebastián

When to book flights from Denver to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to San Sebastian (DEN to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to San Sebastian

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Denver to San Sebastian takes 15h 10m
There are no direct flights from Denver to San Sebastian. There are no popular flight routes from Denver to San Sebastian.
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  • How far is Denver Intl to San Sebastián by plane?

    A flight from Denver Intl to San Sebastián will travel around 4956.4 mi. Flights usually cover this in 15h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to San Sebastián Airport?

    Prices for flights from Denver Intl Airport to San Sebastián Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Denver Intl Airport to San Sebastián Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Denver to San Sebastian?

It is quick and easy to find Denver to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

Can I find flights from Denver to San Sebastian with flexible booking policies on momondo?

Flights from Denver to San Sebastian with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to San Sebastian?

momondo provides multiple filters to help you find the best flight to San Sebastian from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to San Sebastian right now. Can momondo alert me if prices change?

Price alerts on flights to San Sebastian from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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