HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$385+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Barcelona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Round-trip from

$788
(Mytrip)

One-way from

$395
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,141
From Denver Intl to Barcelona
Search Deals
One-way flight from Denver Intl to Barcelona
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($377 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Austrian Airlines deal was found by Cheapflights users on 4/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:18 amDEN - BCN
2 stops24h 32mAustrian Airlines
Thu 9/2510:00 amBCN - DEN
2 stops41h 54mAustrian Airlines
Deal found 4/30$767
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:59 pmDEN - BCN
1 stop22h 01mDelta
Fri 8/226:10 amBCN - DEN
2 stops21h 05mDelta
Deal found 4/30$769
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 7/307:55 pmDEN - BCN
1 stop18h 30mMultiple Airlines
Wed 8/611:20 amBCN - DEN
1 stop14h 39mMultiple Airlines
Deal found 4/30$781
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:45 amDEN - BCN
2 stops19h 30mAir Canada
Sat 11/296:50 amBCN - DEN
2 stops17h 48mAir Canada
Deal found 4/30$794
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:30 pmDEN - BCN
1 stop18h 40mAmerican Airlines
Thu 1/88:30 pmBCN - DEN
1 stop26h 55mAmerican Airlines
Deal found 4/29$815
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Tue 8/262:06 pmDEN - BCN
2 stops24h 19mAer Lingus
Mon 9/811:05 pmBCN - DEN
2 stops31h 22mAer Lingus
Deal found 4/29$841
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:35 pmDEN - BCN
1 stop20h 10mBritish Airways
Mon 9/88:25 pmBCN - DEN
1 stop28h 00mBritish Airways
Deal found 4/30$845
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Tue 6/244:40 pmDEN - BCN
1 stop14h 05mIcelandair
Fri 8/293:45 pmBCN - DEN
1 stop28h 45mIcelandair
Deal found 5/1$860
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:45 amDEN - BCN
1 stop13h 55mKLM
Sat 11/2911:10 amBCN - DEN
2 stops18h 30mKLM
Deal found 4/30$879
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 8/299:24 pmDEN - BCN
1 stop32h 36mUnited Airlines
Tue 9/91:15 pmBCN - DEN
3 stops33h 45mUnited Airlines
Deal found 4/30$882
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 5/3012:15 pmDEN - BCN
1 stop16h 10mWestJet
Sat 6/142:25 pmBCN - DEN
1 stop36h 27mWestJet
Deal found 4/30$902
This Iberia deal was found by Cheapflights users on 4/30. 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.
Wed 7/234:36 pmDEN - BCN
2 stops17h 34mIberia
Wed 8/610:45 amBCN - DEN
1 stop19h 42mIberia
Deal found 4/30$922

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 May 1, 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

Fri 9/12

9:40 am-9:10 am

2 stops39h 30m

Barcelona-El Prat

Tue 9/23

10:00 am-7:54 pm

2 stops41h 54m

$767

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 8/9

11:59 pm-6:00 am

1 stop22h 01m

Barcelona-El Prat

Fri 8/22

6:10 am-7:15 pm

2 stops21h 05m

$769

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 7/30

7:55 pm-10:25 pm

1 stop18h 30m

Barcelona-El Prat

Wed 8/6

11:20 am-5:59 pm

1 stop14h 39m

$781

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 8/31

5:40 pm-7:50 am

1 stop30h 10m

Barcelona-El Prat

Sat 9/6

12:10 pm-6:18 pm

1 stop14h 08m

$798

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 8/26

2:06 pm-10:25 pm

2 stops24h 19m

Barcelona-El Prat

Mon 9/8

11:05 pm-10:27 pm

2 stops31h 22m

$841

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 8/26

6:35 pm-10:45 pm

1 stop20h 10m

Barcelona-El Prat

Mon 9/8

8:25 pm-4:25 pm

1 stop28h 00m

$845

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 6/24

4:40 pm-2:45 pm

1 stop14h 05m

Barcelona-El Prat

Fri 8/29

3:45 pm-12:30 pm

1 stop28h 45m

$860

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 8/29

9:24 pm-2:00 pm

1 stop32h 36m

Barcelona-El Prat

Tue 9/9

1:15 pm-3:00 pm

3 stops33h 45m

$882

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 5/30

12:15 pm-12:25 pm

1 stop16h 10m

Barcelona-El Prat

Sat 6/14

2:25 pm-6:52 pm

1 stop36h 27m

$902

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 8/30

12:00 pm-11:55 am

2 stops15h 55m

Barcelona-El Prat

Tue 9/9

11:05 am-8:00 pm

2 stops16h 55m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 28 results
1
2
3

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 April 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 $1,064). 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 May 1, 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from Denver to Barcelona to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, Air Canada ($813), Delta ($816), and Aer Lingus ($852) offers the cheapest pricing from Denver to Barcelona. These flights start at 5% 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 WestJet, with whom users have recently found tickets for as low as $453. However, be on the lookout for offers from Delta and SWISS, 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. London sees the next most layovers on 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, Grant Park, or River North. Magnificent Mile, Grant Park, and River North are located about 15.5 mi, 16.2 mi, and 15.0 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $55 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, Piccadilly Circus, and Buckingham Palace. Hyde Park, Piccadilly Circus, and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $53 per day.

  • 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. Frankfurt am Main 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 $1,064). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$349Average$466FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$401Average$646FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$489Average$800FlexibilityNo cancel feeOn-time70%
DeltaCheapest$495Average$890FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$498Average$879FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$508Average$955FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$516Average$885FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$525Average$990FlexibilityNo cancel feeOn-time69%
IberiaCheapest$539Average$892FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$563Average$1,095FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.