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$329+ Cheap flights from Spain to Denver (DEN)

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — DEN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Spain to Denver

Cheapest flights from Spain to Denver
Explore the most affordable flight options available from Spain to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:10 pm
BCN
-
DEN
2 stops26h 09m
Multiple Airlines
Sun 2/83:40 pm
DEN
-
BCN
1 stop13h 35m
Multiple Airlines
Deal found 1/21$586
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:35 pm
BCN
-
DEN
2 stops25h 44m
Multiple Airlines
Sun 2/83:40 pm
DEN
-
BCN
1 stop13h 35m
Multiple Airlines
Deal found 1/21$596
This deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:35 pm
MAD
-
DEN
1 stop14h 20m
Air Canada
Tue 3/1711:15 am
DEN
-
MAD
1 stop12h 45m
Air Canada
Deal found 1/21$606
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/13:05 pm
BCN
-
DEN
2 stops29h 14m
Multiple Airlines
Tue 2/1011:59 pm
DEN
-
BCN
1 stop29h 06m
Multiple Airlines
Deal found 1/21$607
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:10 pm
BCN
-
DEN
2 stops26h 09m
Multiple Airlines
Wed 2/113:40 pm
DEN
-
BCN
1 stop13h 55m
Multiple Airlines
Deal found 1/21$608
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:00 pm
BCN
-
DEN
1 stop27h 59m
Multiple Airlines
Wed 2/189:31 pm
DEN
-
BCN
1 stop34h 49m
Multiple Airlines
Deal found 1/21$613
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:00 pm
BCN
-
DEN
1 stop28h 30m
Multiple Airlines
Tue 2/1011:30 am
DEN
-
BCN
1 stop20h 50m
Multiple Airlines
Deal found 1/21$614
This lol.travel deal was found by Cheapflights users on 1/20. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:30 am
MAD
-
DEN
1 stop18h 40m
Finnair
Wed 2/1812:33 pm
DEN
-
MAD
1 stop12h 52m
Finnair
Deal found 1/20$615
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:10 pm
BCN
-
DEN
2 stops26h 09m
Multiple Airlines
Tue 2/1011:59 pm
DEN
-
BCN
1 stop29h 06m
Multiple Airlines
Deal found 1/21$617
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:35 pm
BCN
-
DEN
2 stops25h 44m
Multiple Airlines
Wed 2/113:40 pm
DEN
-
BCN
1 stop13h 55m
Multiple Airlines
Deal found 1/21$618
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:45 pm
BCN
-
DEN
1 stop35h 15m
Icelandair
Tue 5/268:10 pm
DEN
-
BCN
1 stop34h 35m
Icelandair
Deal found 1/21$619
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:45 pm
AGP
-
DEN
1 stop28h 45m
British Airways
Mon 2/232:28 pm
DEN
-
AGP
2 stops18h 22m
British Airways
Deal found 1/20$628

Find flight deals from Spain to Denver

Keep the following information in mind while searching for Spain to Denver flight deals. Data was last updated January 21, 2026.

Round-trip from

$586
(Kiwi.com)

One-way from

$329
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$940
From Spain to Denver Intl
Search Deals
One-way flight from Spain to Denver Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spain to Denver 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 January 21, 2026.
Use the filters below to find and compare flights from Spain to Denver that are best for you.

Fly from

Spain

Fly to

Denver

Route

Depart

Return

Price

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Mon 2/2

6:10 pm-12:19 pm

2 stops26h 09m

Denver Intl

Sun 2/8

3:40 pm-1:15 pm

1 stop13h 35m

$587

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Tue 2/3

2:00 pm-10:30 am

1 stop28h 30m

Denver Intl

Tue 2/10

11:30 am-4:20 pm

1 stop20h 50m

$614

MálagaDenver

AGP - DEN

AGPDEN

Malaga

Mon 2/16

6:45 pm-3:30 pm

1 stop28h 45m

Denver Intl

Mon 2/23

2:28 pm-4:50 pm

2 stops18h 22m

$628

MadridDenver

MAD - DEN

MADDEN

Madrid Barajas

Wed 3/4

12:00 pm-8:47 am

1 stop28h 47m

Denver Intl

Wed 3/11

7:00 am-9:35 am

1 stop19h 35m

$644

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Thu 2/5

2:00 pm-9:59 am

1 stop27h 59m

Denver Intl

Tue 2/10

11:30 am-4:20 pm

1 stop20h 50m

$647

MálagaDenver

AGP - DEN

AGPDEN

Malaga

Mon 3/2

6:45 pm-8:05 pm

2 stops33h 20m

Denver Intl

Mon 3/9

12:33 pm-4:50 pm

2 stops21h 17m

$647

MadridDenver

MAD - DEN

MADDEN

Madrid Barajas

Mon 2/2

11:30 am-10:10 pm

1 stop18h 40m

Denver Intl

Wed 2/18

12:33 pm-9:25 am

1 stop12h 52m

$649

MadridDenver

MAD - DEN

MADDEN

Madrid Barajas

Sat 2/14

1:15 pm-9:36 pm

1 stop16h 21m

Denver Intl

Mon 2/23

5:25 pm-6:30 pm

1 stop17h 05m

$651

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Mon 3/9

9:35 am-10:40 pm

1 stop20h 05m

Denver Intl

Mon 3/16

6:25 pm-7:45 pm

1 stop18h 20m

$658

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

Thu 2/19

9:15 am-9:36 pm

2 stops20h 21m

Denver Intl

Mon 2/23

8:07 am-8:30 am

2 stops16h 23m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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

Have a flexible travel schedule? Discover the best time to fly to Denver from Spain 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 Spain to Denver

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

Currently, April is the cheapest month in which you can book a flight from Spain to Denver (average of $461). Flying from Spain to Denver in July is currently the most expensive (average of $764). 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.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated January 21, 2026.
Read reviews from past customers who have flown United Airlines, Iberia, and Lufthansa from Spain to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,094 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,738 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Spain to Denver. 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 into for flights to Denver from Spain?

    If you book a flight to Denver from Spain, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • How long is the flight from Spain to Denver?

    For as low as $661, British Airways can have you in Denver from Spain in 20h 21m. The distance from Spain to Denver is about 4902 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $500. Users have also found prices from $527 and $531 on American Airlines and Aer Lingus, respectively.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Spain to Denver 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 Spain to Denver?

    Currently, April is the cheapest month in which you can book a flight from Spain to Denver (average of $461). Flying from Spain to Denver in July is currently the most expensive (average of $764). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Centennial
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

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Top 3 airlines flying from Spain to Denver

Discover the top 3 airlines that operate flights from Spain to Denver. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$428Average$1,125FlexibilityNo cancel feeOn-time69%
IberiaCheapest$645Average$1,027FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$677Average$1,023FlexibilityNo cancel feeOn-time76%

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