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$240+ Cheap flights from Denver (DEN) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MAD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Denver to Spain

Keep the following information in mind while searching for Denver to Spain flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$446
(American Airlines)

One-way from

$240
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$734
From Denver Intl to Spain
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One-way flight from Denver Intl to Spain
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Highest demand for flights based on searches. 34% potential increase in price ($418 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Denver to Spain

Cheapest flights from Denver to Spain
Explore the most affordable flight options available from Denver to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/262:36 pmDEN - BCN
1 stop15h 29mAmerican Airlines
mar. 11/115:00 pmBCN - DEN
1 stop30h 30mAmerican Airlines
Deal found 9/17$446
This Flightnetwork deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/265:30 pmDEN - BCN
2 stops32h 05mAir Canada
mar. 11/111:35 pmBCN - DEN
2 stops28h 48mAir Canada
Deal found 9/15$448
This Iberia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/197:21 amDEN - BCN
1 stop19h 09mIberia
vie. 11/79:15 amBCN - DEN
2 stops21h 07mIberia
Deal found 9/16$450
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:15 amDEN - BCN
1 stop14h 20mUnited Airlines
jue. 11/201:35 pmBCN - DEN
2 stops33h 15mUnited Airlines
Deal found 9/17$451
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:26 pmDEN - BCN
2 stops30h 09mAir Canada
mié. 11/121:35 pmBCN - DEN
1 stop14h 20mAir Canada
Deal found 9/15$454
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/511:15 amDEN - BCN
1 stop14h 20mAir Canada
vie. 11/211:35 pmBCN - DEN
2 stops34h 55mAir Canada
Deal found 9/16$456
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/69:20 amDEN - BCN
1 stop17h 10mAmerican Airlines
mié. 10/2210:35 amBCN - DEN
2 stops17h 52mAmerican Airlines
Deal found 9/15$457
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:15 amDEN - BCN
1 stop14h 20mAir Canada
dom. 11/231:35 pmBCN - DEN
1 stop14h 20mAir Canada
Deal found 9/16$459
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/218:28 pmDEN - BCN
2 stops27h 22mAir Canada
vie. 10/3112:35 pmBCN - DEN
2 stops38h 29mAir Canada
Deal found 9/15$461
This Orbitz deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/222:04 pmDEN - MAD
1 stop15h 21mMultiple Airlines
mar. 11/116:45 amMAD - DEN
1 stop16h 45mMultiple Airlines
Deal found 9/16$514
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/208:28 pmDEN - MAD
2 stops26h 12mAir Canada
mié. 11/121:35 pmMAD - DEN
2 stops35h 05mAir Canada
Deal found 9/16$515
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/146:00 amDEN - MAD
2 stops18h 20mAir Canada
mié. 10/2212:45 pmMAD - DEN
2 stops18h 45mAir Canada
Deal found 9/15$516

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Spain 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Denver to Spain that are best for you.

Fly from

Denver

Fly to

Spain

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

lun. 2/16

11:15 am-9:35 am

1 stop14h 20m

Barcelona-El Prat

lun. 3/2

1:35 pm-6:03 pm

2 stops36h 28m

$451

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mié. 10/29

11:15 am-8:35 am

1 stop14h 20m

Barcelona-El Prat

vie. 10/31

12:35 pm-7:55 pm

1 stop14h 20m

$469

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 11/7

11:59 pm-9:35 am

2 stops25h 36m

Barcelona-El Prat

vie. 11/21

1:35 pm-7:55 pm

1 stop14h 20m

$469

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 11/7

5:56 pm-9:35 am

2 stops31h 39m

Barcelona-El Prat

vie. 11/21

1:35 pm-10:23 am

2 stops28h 48m

$475

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 2/20

7:45 am-9:00 am

2 stops17h 15m

Barcelona-El Prat

dom. 3/1

10:30 am-10:05 pm

1 stop19h 35m

$478

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sáb. 2/21

7:45 am-9:00 am

2 stops17h 15m

Barcelona-El Prat

sáb. 3/7

10:30 am-9:25 pm

2 stops18h 55m

$478

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mar. 10/21

11:15 am-7:50 am

1 stop12h 35m

Barcelona-El Prat

mar. 10/28

5:50 am-5:00 pm

1 stop18h 10m

$479

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sáb. 2/14

4:00 pm-9:00 am

1 stop33h 00m

Barcelona-El Prat

sáb. 2/28

1:35 pm-7:55 pm

1 stop14h 20m

$480

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 11/7

12:17 am-7:05 am

1 stop22h 48m

Barcelona-El Prat

mié. 11/19

12:50 pm-11:18 pm

1 stop18h 28m

$484

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

mar. 10/21

5:04 pm-2:25 pm

1 stop13h 21m

Madrid Barajas

mar. 11/4

1:00 pm-11:09 pm

1 stop18h 09m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 60 results
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Best time to book a flight from Denver to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Spain

What is the cheapest month to book a flight from Denver to Spain?

Currently, November is the cheapest month in which you can book a flight from Denver to Spain (average of $543). Flying from Denver to Spain in June is currently the most expensive (average of $1,054). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to ES?

Find hourly flight availability from Denver to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Spain as you normally would.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated septiembre 17, 2025.
Read through reviews of airlines operating flights from Denver to Spain, such as United Airlines, American Airlines, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Iberia
7.0
Good
2,925 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
British Airways
6.7
Okay
7,367 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Denver to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Spain?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Spain. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How long is the flight from Denver to Spain?

    There are many flights that can get you from Denver to Spain in 14h 20m. Fly via United Airlines, Delta, or British Airways to get the fastest option. Airlines will cover a distance of 5187 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to Spain one-way?

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $382. However, be on the lookout for offers from Icelandair and British Airways, as they are both options that can get you from Denver to Spain for a low price.

  • What are the most popular routes from Denver to Spain?

    The most popular route from Denver to Spain is Denver Intl - Barcelona-El Prat. You may also consider Denver Intl - Madrid Barajas or Denver Intl - Malaga.

  • Can I find deals for flights from Denver to Spain that include hotel bookings?

    Yes. In addition to deals on Denver to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Spain.

  • Can I find deals for business class flights from Denver to Spain?

    Yes. Cheapflights offers flight deals from Denver to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Spain?

    Currently, November is the cheapest month in which you can book a flight from Denver to Spain (average of $543). Flying from Denver to Spain in June is currently the most expensive (average of $1,054). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Denver to Spain

Discover the top 10 airlines that operate flights from Denver to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$298Average$1,133FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$349Average$440FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$397Average$594FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$408Average$491FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$480Average$996FlexibilityNo cancel feeOn-time69%
IberiaCheapest$483Average$751FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$483Average$871FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$487Average$770FlexibilityNo cancel feeOn-time70%
DeltaCheapest$495Average$898FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$505Average$727FlexibilityNo cancel feeOn-time75%

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