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$224+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Barcelona are usually found in February or November, 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 septiembre 15, 2025.

Round-trip from

$450
(Mytrip)

One-way from

$224
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$734
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. 34% potential increase in price ($418 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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.
dom. 10/265:30 pmDEN - BCN
2 stops32h 05mAir Canada
mar. 11/111:35 pmBCN - DEN
2 stops28h 48mAir Canada
Deal found 9/15$450
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 11/611:15 amDEN - BCN
1 stop14h 20mUnited Airlines
jue. 11/201:35 pmBCN - DEN
2 stops38h 29mUnited Airlines
Deal found 9/14$451
This Booking.com deal was found by Cheapflights users on 9/13. 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.
mié. 11/263:40 pmDEN - BCN
1 stop13h 40mIcelandair
mar. 12/211:50 amBCN - DEN
1 stop14h 15mIcelandair
Deal found 9/13$453
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:26 pmDEN - BCN
2 stops30h 09mAir Canada
mié. 11/121:35 pmBCN - DEN
1 stop14h 20mAir Canada
Deal found 9/15$454
This Expedia deal was found by Cheapflights users on 9/12. 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.
sáb. 9/275:37 pmDEN - BCN
1 stop32h 53mIberia
vie. 11/149:15 amBCN - DEN
2 stops21h 07mIberia
Deal found 9/12$455
This Air Canada deal was found by Cheapflights users on 9/15. 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.
dom. 10/1911:15 amDEN - BCN
1 stop12h 35mAir Canada
vie. 10/3112:35 pmBCN - DEN
2 stops38h 29mAir Canada
Deal found 9/15$456
This American Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 10/68:06 amDEN - BCN
1 stop18h 04mAmerican Airlines
mié. 10/2210:35 amBCN - DEN
2 stops17h 52mAmerican Airlines
Deal found 9/13$457
This British Airways deal was found by Cheapflights users on 9/12. 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.
mar. 11/1812:10 pmDEN - BCN
1 stop12h 50mBritish Airways
mié. 12/311:15 amBCN - DEN
2 stops19h 07mBritish Airways
Deal found 9/12$458
This Booking.com deal was found by Cheapflights users on 9/14. 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.
sáb. 10/256:00 amDEN - BCN
2 stops19h 35mAir Canada
lun. 11/101:35 pmBCN - DEN
1 stop14h 20mAir Canada
Deal found 9/14$459
This Air Canada deal was found by Cheapflights users on 9/13. 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.
sáb. 10/115:58 pmDEN - BCN
2 stops29h 52mAir Canada
vie. 10/3112:35 pmBCN - DEN
2 stops38h 29mAir Canada
Deal found 9/13$461
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/612:40 pmDEN - BCN
1 stop13h 30mBritish Airways
mié. 10/2210:45 amBCN - DEN
1 stop17h 42mBritish Airways
Deal found 9/13$462

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 septiembre 15, 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

jue. 10/23

11:15 am-7:50 am

1 stop12h 35m

Barcelona-El Prat

vie. 10/31

12:35 pm-7:55 pm

1 stop14h 20m

$464

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 11/7

11:59 pm-9:35 am

2 stops25h 36m

Barcelona-El Prat

vie. 11/21

1:35 pm-7:55 pm

1 stop14h 20m

$469

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sáb. 10/18

1:56 pm-7:50 am

2 stops33h 54m

Barcelona-El Prat

jue. 10/30

12:35 pm-7:55 pm

1 stop14h 20m

$474

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

jue. 12/11

8:30 am-7:05 am

1 stop14h 35m

Barcelona-El Prat

vie. 1/16

10:40 am-9:51 pm

1 stop19h 11m

$483

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

dom. 10/19

7:10 am-6:00 am

1 stop14h 50m

Barcelona-El Prat

vie. 11/7

10:15 am-9:41 pm

1 stop19h 26m

$484

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

sáb. 11/22

5:56 pm-8:20 am

1 stop30h 24m

Barcelona-El Prat

lun. 12/8

10:30 am-6:07 pm

1 stop15h 37m

$484

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mar. 10/14

6:00 am-7:50 am

2 stops17h 50m

Barcelona-El Prat

vie. 10/31

12:35 pm-8:58 am

2 stops27h 23m

$484

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mar. 9/23

11:25 am-9:20 am

1 stop13h 55m

Barcelona-El Prat

mar. 10/7

11:15 am-7:36 pm

1 stop16h 21m

$486

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

vie. 11/7

9:11 am-9:00 am

2 stops15h 49m

Barcelona-El Prat

vie. 11/14

12:50 pm-10:19 pm

2 stops17h 29m

$488

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

mar. 10/21

6:00 am-6:00 am

2 stops16h 00m

Barcelona-El Prat

jue. 11/20

10:15 am-11:04 pm

2 stops20h 49m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 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 September 12, 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 $1,059). 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 septiembre 15, 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 septiembre 15, 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
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
544 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 12h 35m. 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 ($349), Turkish Airlines ($400), and United Airlines ($480) offers the cheapest pricing from Denver to Barcelona. These flights start at 56% 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. 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 $52 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, Hauptwache, and Festhalle. Römerberg, Hauptwache, and Festhalle are located about 7.4 mi, 7.4 mi, and 6.5 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 $40 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. Montreal 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, 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 $1,059). 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$349Average$440FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$400Average$610FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$480Average$823FlexibilityNo cancel feeOn-time69%
IberiaCheapest$483Average$830FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$483Average$809FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$487Average$682FlexibilityNo cancel feeOn-time70%
DeltaCheapest$495Average$723FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$506Average$865FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$512Average$619FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$538Average$1,051FlexibilityNo cancel feeOn-time76%

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