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$209+ Cheap flights from Denver (DEN) 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Barcelona are usually found in November or February, booked 68 days in advance, depart on a Sunday or Tuesday and return on a Friday

Cheap flight deals from Denver to Barcelona

Cheapest flights from Denver to Barcelona
Explore the most affordable flight options available from Denver to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmDEN - BCN
1 stop14h 25mLufthansa
Wed 1/147:40 amBCN - DEN
1 stop14h 55mLufthansa
Deal found 12/17$576
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmDEN - BCN
1 stop21h 05mAmerican Airlines
Wed 1/1410:40 amBCN - DEN
1 stop18h 13mAmerican Airlines
Deal found 12/16$610
This Finnair deal was found by Cheapflights users on 12/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amDEN - BCN
1 stop18h 00mMultiple Airlines
Wed 1/1411:00 amBCN - DEN
1 stop19h 10mMultiple Airlines
Deal found 12/17$611
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/3111:15 amDEN - BCN
1 stop14h 20mUnited Airlines
Wed 1/1411:00 amBCN - DEN
2 stops18h 59mUnited Airlines
Deal found 12/17$614
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/3011:15 amDEN - BCN
1 stop14h 20mUnited Airlines
Wed 1/1411:00 amBCN - DEN
2 stops20h 41mUnited Airlines
Deal found 12/17$617
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:29 pmDEN - BCN
1 stop32h 11mKLM
Wed 1/146:00 amBCN - DEN
2 stops18h 44mKLM
Deal found 12/16$620
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:05 amDEN - BCN
1 stop16h 35mKLM
Wed 1/146:00 amBCN - DEN
2 stops18h 44mKLM
Deal found 12/16$621
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amDEN - BCN
2 stops19h 10mDelta
Wed 1/1410:55 amBCN - DEN
2 stops30h 43mDelta
Deal found 12/16$626
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:10 amDEN - BCN
2 stops14h 50mAmerican Airlines
Wed 1/1412:30 pmBCN - DEN
2 stops18h 46mAmerican Airlines
Deal found 12/16$628

Find flight deals from Denver to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Round-trip from

$458
(Kiwi.com)

One-way from

$209
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$677
From Denver Intl to Barcelona
Search Deals
One-way flight from Denver Intl to Barcelona
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Highest demand for flights based on searches. 34% potential increase in price ($416 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 December 18, 2025.
Use the filters below to find and compare flights from Denver to Barcelona that are best for you.

Fly from

Denver

Fly to

Barcelona

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 1/18

11:59 pm-9:35 am

2 stops25h 36m

Barcelona-El Prat

Tue 1/27

1:35 pm-12:38 pm

2 stops31h 03m

$488

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 1/13

10:45 am-8:40 am

1 stop13h 55m

Barcelona-El Prat

Wed 1/21

10:55 am-12:28 am

1 stop21h 33m

$504

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 1/18

7:15 am-11:10 am

2 stops19h 55m

Barcelona-El Prat

Wed 1/21

10:55 am-7:28 pm

1 stop16h 33m

$508

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 1/14

11:15 am-9:35 am

1 stop14h 20m

Barcelona-El Prat

Mon 1/19

11:55 am-2:35 pm

1 stop34h 40m

$509

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Thu 1/29

5:25 pm-9:10 am

1 stop31h 45m

Barcelona-El Prat

Mon 2/2

9:00 pm-3:30 pm

1 stop26h 30m

$553

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 1/16

5:25 pm-9:10 am

1 stop31h 45m

Barcelona-El Prat

Mon 1/19

12:40 pm-3:30 pm

1 stop34h 50m

$553

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 3/21

11:59 pm-8:20 am

1 stop25h 21m

Barcelona-El Prat

Sun 3/29

1:15 pm-4:35 pm

1 stop35h 20m

$566

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 2/13

11:10 am-10:25 am

2 stops15h 15m

Barcelona-El Prat

Fri 2/27

10:15 am-9:14 pm

2 stops18h 59m

$596

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 2/20

6:00 am-8:00 am

1 stop18h 00m

Barcelona-El Prat

Sun 3/1

10:15 am-9:14 pm

2 stops18h 59m

$600

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 2/20

6:00 am-8:00 am

2 stops18h 00m

Barcelona-El Prat

Sun 3/1

10:15 am-12:25 am

2 stops22h 10m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 24 results
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Best time to book a flight from Denver to Barcelona

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

How far ahead should I book a flight from Denver to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Barcelona. Price data was last updated on December 12, 2025.

The best time to book flights from Denver to Barcelona is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Denver to Barcelona (average of $369). Flying from Denver to Barcelona in June is currently the most expensive (average of $1,083). 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 BCN?

Find hourly flight availability from Denver 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Barcelona in the evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Denver to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Denver to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Barcelona flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines, and Icelandair from Denver to Barcelona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Turkish Airlines
7.3
Good
4,105 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Icelandair
7.0
Good
591 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Lufthansa
6.8
Okay
7,635 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
British Airways
6.7
Okay
7,585 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Denver to Barcelona. 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 Barcelona?

    For a flight from Denver to Barcelona, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 0 outbound flights to Barcelona per day. 12 airlines have flights to Barcelona from Denver Intl on a regular basis.

  • How long is the flight from Denver to Barcelona?

    Departing from Denver to Barcelona will take you 13h 55m. Airlines will cover a distance of 5187 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Denver to Barcelona round-trip?

    According to our current data, Icelandair ($366), Turkish Airlines ($401), and Iberia ($433) offers the cheapest pricing from Denver to Barcelona. These flights start at 53% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $215. However, be on the lookout for offers from Lufthansa and Turkish Airlines, as they are both options that can get you from Denver to Barcelona for a low price.

  • Where are the most common layover locations when flying from Denver to Barcelona?

    Denver to Barcelona flights have a layover in Chicago most often. Frankfurt am Main sees the next most layovers on Denver to Barcelona flights. Frankfurt am Main is followed by London in terms of the most popular layover location for Denver to Barcelona flights.

  • What are some popular things to do or see while on a layover in Chicago?

    If you're on a layover in Chicago and looking for things to do, consider visiting Magnificent Mile, River North, or Grant Park. Magnificent Mile, River North, and Grant Park are located about 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $51 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Frankfurt am Main?

    Most Frankfurt am Main visitors opt to spend their time at Römerberg, Festhalle, and Historisches Museum Frankfurt. Römerberg, Festhalle, and Historisches Museum Frankfurt are located about 7.4 mi, 6.5 mi, and 7.3 mi, respectively from Frankfurt am Main. Travelers in need of a car in Frankfurt am Main can rent one for about $40 per day.

  • What are points of interest worth seeing during a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than any other attractions. Hyde Park, Buckingham Palace, and Piccadilly Circus can be visited by traveling about 12.5 mi, 13.7 mi, and 14.1 mi respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $30 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Denver to Barcelona flights?

    Of the flights from Denver to Barcelona that have layovers, the fewest flights stop in Munich. Montreal is the second least popular location for layovers on flights from Denver to Barcelona. Reykjavik sees the third fewest flights with layovers for the Denver to Barcelona route.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Denver to Barcelona (average of $369). Flying from Denver to Barcelona in June is currently the most expensive (average of $1,083). 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 Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Barcelona-El Prat flights
Colorado Springs to Barcelona-El Prat flights
Grand Junction to Barcelona-El Prat flights
Denver to Costa Brava flights

Top 10 airlines flying from Denver to Barcelona

Discover the top 10 airlines that operate flights from Denver 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$367Average$439FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$401Average$615FlexibilityNo cancel feeOn-time77%
IberiaCheapest$433Average$820FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$478Average$802FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$483Average$679FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$483Average$807FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$502Average$864FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$507Average$742FlexibilityNo cancel feeOn-time67%
DeltaCheapest$515Average$896FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$516Average$613FlexibilityNo cancel feeOn-time77%

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