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$250+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MAD
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
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 August 16, 2025.

Round-trip from

$482
(Air Canada)

One-way from

$250
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$915
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. 32% potential increase in price ($403 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 16, 2025.

This Air Canada deal was found by Cheapflights users on 8/15. 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.
Sat 10/115:30 pmDEN - BCN
1 stop31h 50mAir Canada
Tue 10/211:15 pmBCN - DEN
1 stop28h 49mAir Canada
Deal found 8/15$482
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 11/126:00 amDEN - BCN
1 stop23h 05mUnited Airlines
Thu 11/276:50 amBCN - DEN
1 stop14h 50mUnited Airlines
Deal found 8/14$483
This Finnair deal was found by Cheapflights users on 8/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:20 amDEN - BCN
1 stop22h 45mMultiple Airlines
Thu 11/2011:00 amBCN - DEN
1 stop18h 48mMultiple Airlines
Deal found 8/15$484
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Tue 9/237:45 amDEN - BCN
2 stops16h 05mAir Canada
Tue 10/76:50 amBCN - DEN
2 stops18h 28mAir Canada
Deal found 8/14$485
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/115:30 pmDEN - BCN
1 stop31h 50mUnited Airlines
Wed 10/293:05 pmBCN - DEN
1 stop15h 10mUnited Airlines
Deal found 8/13$486
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 10/146:00 amDEN - BCN
2 stops19h 20mAir Canada
Wed 10/2912:35 pmBCN - DEN
2 stops36h 30mAir Canada
Deal found 8/13$487
This Iberia deal was found by Cheapflights users on 8/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:06 pmDEN - BCN
1 stop33h 04mIberia
Fri 10/310:45 amBCN - DEN
1 stop29h 49mIberia
Deal found 8/15$489
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/115:30 pmDEN - BCN
1 stop31h 50mUnited Airlines
Tue 10/2112:00 pmBCN - DEN
2 stops19h 30mUnited Airlines
Deal found 8/14$490
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 11/44:20 pmDEN - BCN
1 stop17h 15mUnited Airlines
Tue 11/111:35 pmBCN - DEN
1 stop14h 20mUnited Airlines
Deal found 8/14$491
This Air Canada deal was found by Cheapflights users on 8/15. 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.
Tue 9/237:45 amDEN - BCN
2 stops16h 05mAir Canada
Thu 10/21:15 pmBCN - DEN
2 stops18h 15mAir Canada
Deal found 8/15$492
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/236:00 amDEN - BCN
2 stops17h 50mUnited Airlines
Tue 9/306:50 amBCN - DEN
2 stops17h 45mUnited Airlines
Deal found 8/14$493
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:20 amDEN - MAD
2 stops21h 40mUnited Airlines
Thu 12/181:35 pmMAD - DEN
2 stops40h 31mUnited Airlines
Deal found 8/15$522

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 August 16, 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

Sat 10/11

5:36 pm-7:50 am

2 stops30h 14m

Barcelona-El Prat

Fri 10/31

12:35 pm-6:05 pm

2 stops36h 30m

$482

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 10/11

5:30 pm-7:50 am

2 stops30h 20m

Barcelona-El Prat

Wed 10/29

12:35 pm-6:05 pm

2 stops36h 30m

$482

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 10/11

5:36 pm-9:20 am

1 stop31h 44m

Barcelona-El Prat

Tue 10/21

1:15 pm-10:04 am

1 stop28h 49m

$482

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 9/23

7:45 am-7:50 am

2 stops16h 05m

Barcelona-El Prat

Tue 10/7

12:10 pm-10:04 am

2 stops29h 54m

$482

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 10/15

11:15 am-11:15 am

2 stops16h 00m

Barcelona-El Prat

Thu 11/6

1:35 pm-8:04 pm

2 stops38h 29m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/11

11:15 am-9:35 am

2 stops14h 20m

Barcelona-El Prat

Wed 2/25

6:50 am-1:40 pm

1 stop14h 50m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 9/23

6:00 am-7:50 am

2 stops17h 50m

Barcelona-El Prat

Tue 9/30

6:50 am-1:35 pm

1 stop14h 45m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 11/12

6:00 am-1:05 pm

1 stop23h 05m

Barcelona-El Prat

Thu 11/27

6:50 am-1:40 pm

1 stop14h 50m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 11/10

4:06 pm-1:05 pm

1 stop12h 59m

Barcelona-El Prat

Thu 11/13

6:50 am-1:40 pm

1 stop14h 50m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 11/9

4:06 pm-1:05 pm

1 stop12h 59m

Barcelona-El Prat

Thu 11/13

6:50 am-1:40 pm

1 stop14h 50m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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 $1,053). 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 August 16, 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 August 16, 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
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,884 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,322 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,267 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $1,053). 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$298Average$1,133FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$349Average$446FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$397Average$600FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$408Average$491FlexibilityNo cancel feeOn-time72%
IberiaCheapest$483Average$752FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$484Average$757FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$487Average$1,002FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$489Average$918FlexibilityNo cancel feeOn-time71%
DeltaCheapest$495Average$921FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$505Average$742FlexibilityNo cancel feeOn-time75%

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