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$251+ Cheap flights from Colorado to Barcelona

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Colorado to Barcelona

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

Round-trip from

$511
(United Airlines)

One-way from

$251
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,171
From Colorado to Barcelona
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One-way flight from Colorado to Barcelona
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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 Barcelona

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

This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 pmDEN - BCN
2 stops31h 45mAir Canada
Thu 1/81:45 pmBCN - DEN
2 stops34h 55mAir Canada
Deal found 7/31$508
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 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 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
1 stop16h 07mVirgin Atlantic
Deal found 7/30$534
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.
Sat 11/111:59 pmDEN - BCN
1 stop25h 01mDelta
Sat 11/1510:15 amBCN - DEN
1 stop16h 07mDelta
Deal found 7/31$539
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 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 10/12:00 pmBCN - DEN
1 stop15h 50mBritish Airways
Deal found 7/30$559
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:24 pmGJT - BCN
1 stop13h 46mBritish Airways
Wed 10/2212:20 pmBCN - GJT
1 stop16h 07mBritish Airways
Deal found 7/31$585
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:13 pmGJT - BCN
2 stops19h 27mUnited Airlines
Wed 10/221:15 pmBCN - GJT
2 stops40h 56mUnited Airlines
Deal found 7/30$589
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:44 pmGJT - BCN
2 stops18h 01mAmerican Airlines
Wed 10/227:40 amBCN - GJT
2 stops20h 47mAmerican Airlines
Deal found 7/31$609

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Barcelona 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 Barcelona that are best for you.

Fly from

Colorado

Fly to

Barcelona

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 9/19

8:28 pm-7:50 am

2 stops27h 22m

Barcelona-El Prat

Fri 9/26

12:10 pm-12:17 pm

2 stops32h 07m

$511

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Thu 9/25

7:45 am-7:50 am

2 stops16h 05m

Barcelona-El Prat

Thu 10/9

12:10 pm-7:38 pm

1 stop15h 28m

$526

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 9/26

7:45 am-7:50 am

2 stops16h 05m

Barcelona-El Prat

Tue 10/14

6:00 am-4:24 pm

2 stops18h 24m

$528

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

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

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 9/17

6:35 pm-9:25 am

1 stop30h 50m

Barcelona-El Prat

Wed 10/1

2:00 pm-9:50 pm

1 stop15h 50m

$559

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 9/26

12:59 am-9:20 am

1 stop24h 21m

Barcelona-El Prat

Thu 10/9

12:20 pm-11:14 pm

2 stops18h 54m

$566

Grand JunctionBarcelona

GJT - BCN

GJTBCN

Grand Junction Regnl

Wed 10/15

12:24 pm-10:10 am

1 stop13h 46m

Barcelona-El Prat

Wed 10/22

12:20 pm-8:27 pm

1 stop16h 07m

$585

Grand JunctionBarcelona

GJT - BCN

GJTBCN

Grand Junction Regnl

Wed 10/15

6:13 pm-9:40 pm

2 stops19h 27m

Barcelona-El Prat

Wed 10/22

1:15 pm-10:11 pm

2 stops40h 56m

$589

Grand JunctionBarcelona

GJT - BCN

GJTBCN

Grand Junction Regnl

Wed 10/15

4:44 pm-6:45 pm

2 stops18h 01m

Barcelona-El Prat

Wed 10/22

7:40 am-8:27 pm

2 stops20h 47m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 21 results
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Best time to book a flight from Colorado to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Barcelona (average of $523). Flying from Colorado to Barcelona in June is currently the most expensive (average of $1,057). 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 BCN?

Find hourly flight availability from Colorado to Barcelona. 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.

When flying from Colorado to Barcelona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Turkish Airlines from Colorado to Barcelona to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Colorado to Barcelona?

    Most travelers choose Denver Intl - Barcelona-El Prat, Grand Junction Regnl - Barcelona-El Prat or Colorado Springs - Barcelona-El Prat when deciding on the best route from Colorado to Barcelona.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Barcelona (average of $523). Flying from Colorado to Barcelona in June is currently the most expensive (average of $1,057). 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 Barcelona

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 Barcelona

Discover the top 10 airlines that operate flights from Colorado to Barcelona. 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
IcelandairCheapest$349Average$441FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$401Average$621FlexibilityNo cancel feeOn-time77%
IberiaCheapest$483Average$844FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$488Average$722FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$489Average$1,026FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$1,011FlexibilityNo cancel feeOn-time69%
DeltaCheapest$495Average$806FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$506Average$874FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$512Average$705FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$548Average$1,056FlexibilityNo cancel feeOn-time76%

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