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$241+ Cheap flights from Colorado 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MAD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Colorado to Spain

Keep the following information in mind while searching for Colorado to Spain flight deals. Data was last updated July 31, 2025.

Round-trip from

$511
(United Airlines)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,171
From Colorado to Spain
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One-way flight from Colorado to Spain
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Highest demand for flights based on searches. 32% potential increase in price ($400 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Colorado to Spain

Cheapest flights from Colorado to Spain
Explore the most affordable flight options available from Colorado to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 11/75:56 pmDEN - BCN
2 stops31h 39mUnited Airlines
Fri 11/211:35 pmBCN - DEN
2 stops33h 15mUnited Airlines
Deal found 7/31$511
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:15 amDEN - BCN
2 stops19h 00mMultiple Airlines
Mon 12/157:50 pmBCN - DEN
2 stops32h 05mMultiple Airlines
Deal found 7/31$513
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 11/64:20 pmDEN - BCN
1 stop14h 25mLufthansa
Wed 11/129:55 amBCN - DEN
1 stop14h 05mLufthansa
Deal found 7/30$515
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:46 amDEN - BCN
2 stops17h 49mAir Canada
Wed 11/121:35 pmBCN - DEN
2 stops17h 40mAir Canada
Deal found 7/31$524
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:55 pmDEN - BCN
1 stop18h 30mAer Lingus
Wed 9/2411:00 amBCN - DEN
1 stop14h 59mAer Lingus
Deal found 7/30$529
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:30 amDEN - BCN
1 stop17h 30mDelta
Fri 11/1410:15 amBCN - DEN
1 stop16h 07mDelta
Deal found 7/31$534
This Virgin Atlantic deal was found by Cheapflights users on 7/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:30 amDEN - BCN
1 stop17h 30mVirgin Atlantic
Fri 11/1410:15 amBCN - DEN
2 stops20h 00mVirgin Atlantic
Deal found 7/30$538
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 11/2711:15 amDEN - MAD
1 stop12h 45mUnited Airlines
Thu 12/41:35 pmMAD - DEN
2 stops29h 00mUnited Airlines
Deal found 7/31$540
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:05 amDEN - MAD
1 stop16h 45mDelta
Wed 10/226:00 amMAD - DEN
2 stops20h 56mDelta
Deal found 7/31$542
This Iberia deal was found by Cheapflights users on 7/30. 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.
Sun 9/287:16 amDEN - BCN
1 stop19h 14mIberia
Mon 10/131:35 pmBCN - DEN
2 stops30h 20mIberia
Deal found 7/30$556
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:40 amDEN - MAD
2 stops18h 10mAir Canada
Tue 9/308:35 amMAD - DEN
2 stops33h 29mAir Canada
Deal found 7/29$558
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:35 pmDEN - BCN
1 stop30h 50mBritish Airways
Wed 9/242:00 pmBCN - DEN
1 stop15h 50mBritish Airways
Deal found 7/30$559

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 July 31, 2025.
Use the filters below to find and compare flights from Colorado to Spain that are best for you.

Fly from

Colorado

Fly to

Spain

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 11/7

5:56 pm-9:35 am

2 stops31h 39m

Barcelona-El Prat

Fri 11/21

1:35 pm-2:50 pm

2 stops33h 15m

$511

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 12/1

11:15 am-2:15 pm

2 stops19h 00m

Barcelona-El Prat

Mon 12/15

7:50 pm-7:55 pm

2 stops32h 05m

$513

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Thu 11/6

4:20 pm-2:45 pm

1 stop14h 25m

Barcelona-El Prat

Wed 11/12

9:55 am-4:00 pm

1 stop14h 05m

$515

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Thu 11/6

7:46 am-9:35 am

2 stops17h 49m

Barcelona-El Prat

Wed 11/12

1:35 pm-11:15 pm

2 stops17h 40m

$524

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 9/19

7:55 pm-10:25 pm

1 stop18h 30m

Barcelona-El Prat

Wed 9/24

11:00 am-5:59 pm

1 stop14h 59m

$529

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 11/7

6:30 am-8:00 am

1 stop17h 30m

Barcelona-El Prat

Fri 11/14

10:15 am-6:22 pm

1 stop16h 07m

$534

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 11/7

6:30 am-8:00 am

1 stop17h 30m

Barcelona-El Prat

Fri 11/14

10:15 am-10:15 pm

2 stops20h 00m

$538

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Thu 11/27

11:15 am-8:00 am

1 stop12h 45m

Madrid Barajas

Thu 12/4

1:35 pm-10:35 am

2 stops29h 00m

$540

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Wed 10/8

7:05 am-7:50 am

1 stop16h 45m

Madrid Barajas

Wed 10/22

6:00 am-6:56 pm

2 stops20h 56m

$542

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 9/28

7:16 am-10:30 am

1 stop19h 14m

Barcelona-El Prat

Mon 10/13

1:35 pm-11:55 am

2 stops30h 20m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

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

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Spain (average of $543). Flying from Colorado to Spain in June is currently the most expensive (average of $1,052). 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 CO to ES?

Find hourly flight availability from Colorado 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado 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 July 31, 2025.
Read through reviews of airlines operating flights from Colorado to Spain, such as Delta, KLM, and Air France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,902 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Colorado to Spain are Icelandair ($339), Turkish Airlines ($367), and Aer Lingus ($373).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Colorado to Spain (average of $543). Flying from Colorado to Spain in June is currently the most expensive (average of $1,052). 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 Colorado 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 Colorado to Spain

Discover the top 10 airlines that operate flights from Colorado 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$298Average$1,109FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$349Average$441FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$397Average$599FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$408Average$491FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$467Average$986FlexibilityNo cancel feeOn-time71%
IberiaCheapest$483Average$739FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$485Average$755FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$493Average$1,019FlexibilityNo cancel feeOn-time69%
DeltaCheapest$495Average$881FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$505Average$760FlexibilityNo cancel feeOn-time75%

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