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$251+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
août 4 — août 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Barcelona are usually found in February or January, booked 2 days in advance, depart on a Sunday or Tuesday and return on a Friday

Cheap 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 juillet 30, 2025.

Round-trip from

$515
(Kiwi.com)

One-way from

$251
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,171
From Denver Intl to Barcelona
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One-way flight from Denver Intl 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 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 juillet 30, 2025.

This Gurufare deal was found by Cheapflights users on 7/28. 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.
mer. 9/176:35 pmDEN - BCN
1 stop30h 50mBritish Airways
mer. 9/242:00 pmBCN - DEN
1 stop15h 50mBritish Airways
Deal found 7/28$559
This Delta deal was found by Cheapflights users on 7/28. 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.
jeu. 12/117:10 amDEN - BCN
2 stops16h 50mDelta
ven. 1/166:00 amBCN - DEN
2 stops24h 55mDelta
Deal found 7/28$566
This Air Canada deal was found by Cheapflights users on 7/28. 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.
dim. 9/217:45 amDEN - BCN
2 stops16h 05mAir Canada
mar. 10/712:10 pmBCN - DEN
2 stops19h 20mAir Canada
Deal found 7/28$581
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/311:25 pmDEN - BCN
2 stops17h 40mSWISS
ven. 11/79:55 amBCN - DEN
2 stops18h 09mSWISS
Deal found 7/29$590
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/207:45 amDEN - BCN
2 stops16h 05mMultiple Airlines
ven. 9/57:50 amBCN - DEN
2 stops15h 45mMultiple Airlines
Deal found 7/28$592
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/1111:59 pmDEN - BCN
2 stops23h 51mUnited Airlines
dim. 10/197:50 amBCN - DEN
1 stop13h 55mUnited Airlines
Deal found 7/29$594

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 juillet 30, 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

mer. 9/17

6:35 pm-9:25 am

1 stop30h 50m

Barcelona-El Prat

mer. 10/1

12:20 pm-7:47 pm

1 stop15h 27m

$559

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

jeu. 12/11

7:10 am-8:00 am

2 stops16h 50m

Barcelona-El Prat

ven. 1/16

6:00 am-10:55 pm

2 stops24h 55m

$566

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

dim. 9/21

7:45 am-7:50 am

2 stops16h 05m

Barcelona-El Prat

mar. 10/7

12:10 pm-11:30 pm

2 stops19h 20m

$581

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

ven. 10/31

1:25 pm-2:05 pm

2 stops17h 40m

Barcelona-El Prat

ven. 11/7

9:55 am-8:04 pm

2 stops18h 09m

$590

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mer. 8/20

7:45 am-7:50 am

2 stops16h 05m

Barcelona-El Prat

ven. 9/5

7:50 am-3:35 pm

2 stops15h 45m

$592

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sam. 10/11

11:59 pm-7:50 am

2 stops23h 51m

Barcelona-El Prat

dim. 10/19

7:50 am-1:45 pm

1 stop13h 55m

$594

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sam. 9/20

6:39 pm-12:15 am

2 stops45h 36m

$251

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

ven. 10/31

4:40 pm-1:10 pm

1 stop13h 30m

$285

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sam. 9/27

7:50 pm-11:10 pm

1 stop19h 20m

$367

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sam. 8/23

12:15 pm-12:25 pm

1 stop16h 10m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 25, 2025.

The best time to book flights from Denver to Barcelona is 2 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, January is the cheapest month in which you can book a flight from Denver to Barcelona (average of $523). Flying from Denver 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 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 juillet 30, 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 22% 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 juillet 30, 2025.
Peruse reviews from past customers who have flown with Delta, SWISS, and United Airlines 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.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
3,928 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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 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. 13 airlines have flights to Barcelona from Denver Intl on a regular basis.

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

    According to our current data, Lufthansa ($515), United Airlines ($519), and Air Canada ($525) offers the cheapest pricing from Denver to Barcelona. These flights start at 37% lower than the current average price 3 months from now.

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

    Denver to Barcelona flights have a layover in Chicago most often. London sees the next most layovers on Denver to Barcelona flights. London is followed by Frankfurt am Main 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 $69 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in London?

    Most London visitors opt to spend their time at Hyde Park, Buckingham Palace, and Piccadilly Circus. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $50 per day.

  • What are points of interest worth seeing during a layover in Frankfurt am Main?

    Frankfurt am Main travelers tend to visit Römerberg, Hauptwache, and Historisches Museum Frankfurt more than any other attractions. Römerberg, Hauptwache, and Historisches Museum Frankfurt can be visited by traveling about 7.4 mi, 7.4 mi, and 7.3 mi respectively from Frankfurt am Main. Travelers can book a car rental at Frankfurt am Main for about $48 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. Reykjavik is the second least popular location for layovers on flights from Denver to Barcelona.

  • 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, January is the cheapest month in which you can book a flight from Denver to Barcelona (average of $523). Flying from Denver 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 Denver to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Barcelona-El Prat flights
Grand Junction to Barcelona-El Prat flights
Colorado Springs 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 juillet 30, 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$838FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$884FlexibilityNo 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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