Barcelona

$221+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
Mar 13 — Mar 201
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.

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 February 11, 2026.

This Flightnetwork deal was found by Cheapflights users on 2/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:40 am
DEN
-
BCN
1 stop14h 20m
Air Canada
Tue 10/201:15 pm
BCN
-
DEN
1 stop15h 02m
Air Canada
Deal found 2/9$488
This United Airlines deal was found by Cheapflights users on 2/7. 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 11/1711:15 am
DEN
-
BCN
1 stop14h 20m
United Airlines
Wed 11/251:35 pm
BCN
-
DEN
2 stops32h 48m
United Airlines
Deal found 2/7$490
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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.
Sun 8/94:15 pm
DEN
-
BCN
1 stop14h 40m
Lufthansa
Wed 10/147:55 am
BCN
-
DEN
1 stop14h 25m
Lufthansa
Deal found 2/9$491
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 10/176:10 pm
DEN
-
BCN
1 stop31h 10m
United Airlines
Tue 10/2712:35 pm
BCN
-
DEN
2 stops30h 48m
United Airlines
Deal found 2/9$495
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:27 pm
DEN
-
BCN
2 stops19h 38m
British Airways
Wed 11/1110:40 am
BCN
-
DEN
1 stop21h 16m
British Airways
Deal found 2/9$499
This United Airlines deal was found by Cheapflights users on 2/7. 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 11/311:15 am
DEN
-
BCN
1 stop14h 20m
United Airlines
Thu 11/121:35 pm
BCN
-
DEN
1 stop14h 20m
United Airlines
Deal found 2/7$504
This United Airlines deal was found by Cheapflights users on 2/9. 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 8/56:00 am
DEN
-
BCN
1 stop23h 15m
United Airlines
Wed 10/1412:15 pm
BCN
-
DEN
1 stop14h 31m
United Airlines
Deal found 2/9$505
This United Airlines deal was found by Cheapflights users on 2/9. 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 8/49:40 am
DEN
-
BCN
1 stop14h 20m
United Airlines
Thu 10/157:55 am
BCN
-
DEN
1 stop14h 25m
United Airlines
Deal found 2/9$506
This United Airlines deal was found by Cheapflights users on 2/9. 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 8/56:00 am
DEN
-
BCN
1 stop23h 15m
United Airlines
Thu 10/157:55 am
BCN
-
DEN
1 stop14h 25m
United Airlines
Deal found 2/9$507
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 8/106:00 am
DEN
-
BCN
2 stops18h 00m
United Airlines
Wed 10/1412:15 pm
BCN
-
DEN
1 stop14h 31m
United Airlines
Deal found 2/9$508
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 8/86:10 pm
DEN
-
BCN
1 stop31h 10m
United Airlines
Wed 10/712:15 pm
BCN
-
DEN
1 stop14h 31m
United Airlines
Deal found 2/9$509
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/18:00 pm
DEN
-
GRO
1 stop18h 40m
Multiple Airlines
Sun 5/108:25 am
GRO
-
DEN
1 stop17h 50m
Multiple Airlines
Deal found 2/9$898

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 February 11, 2026.

Round-trip from

$491
(Cheapflightsfares)

One-way from

$224
(oojo)

Popular in

June

Cheapest in

November

Average price

$543
From Denver Intl to Barcelona
One-way flight from Denver Intl to Barcelona
Highest demand for flights based on searches. 32% potential increase in price ($370 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 11, 2026.
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

Tue 3/24

5:20 pm-5:35 pm

1 stop17h 15m

Barcelona-El Prat

Tue 3/31

7:55 am-2:20 pm

1 stop14h 25m

$559

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/24

12:51 pm-2:00 pm

2 stops18h 09m

Barcelona-El Prat

Wed 4/1

6:20 am-5:17 pm

2 stops18h 57m

$569

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/24

6:40 am-7:00 am

1 stop17h 20m

Barcelona-El Prat

Mon 3/30

11:10 am-9:46 pm

2 stops18h 36m

$616

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/3

10:20 am-8:20 am

1 stop14h 00m

Barcelona-El Prat

Wed 3/18

12:35 pm-7:55 pm

1 stop14h 20m

$617

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 2/24

11:10 am-3:00 pm

2 stops19h 50m

Barcelona-El Prat

Fri 3/13

9:30 am-7:36 pm

1 stop17h 06m

$628

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/25

6:00 am-8:40 am

1 stop18h 40m

Barcelona-El Prat

Fri 3/13

9:30 am-8:20 pm

2 stops17h 50m

$628

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/3

6:00 am-8:00 am

2 stops18h 00m

Barcelona-El Prat

Wed 3/18

9:30 am-9:09 pm

1 stop18h 39m

$628

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 2/24

6:00 am-8:00 am

2 stops18h 00m

Barcelona-El Prat

Wed 3/11

9:30 am-8:20 pm

2 stops17h 50m

$628

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/3

6:00 am-8:00 am

2 stops18h 00m

Barcelona-El Prat

Thu 3/19

9:45 am-12:09 am

1 stop21h 24m

$628

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 3/1

6:00 am-2:15 pm

2 stops24h 15m

Barcelona-El Prat

Wed 3/11

12:35 pm-7:55 pm

1 stop14h 20m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 23 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 February 6, 2026.

The best time to book flights from Denver to Barcelona is 84 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 $1,068). 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.

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 February 11, 2026.
Peruse reviews from past customers who have flown with United Airlines, Air Canada, 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.

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 14h. 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 ($437), and Iberia ($440) offers the cheapest pricing from Denver to Barcelona. These flights start at 52% 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 $208. However, be on the lookout for offers from British Airways and Delta, 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?

  • 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 $47 to make sightseeing during their layover a little easier.

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

    Most Montreal visitors opt to spend their time at Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica. Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica are located about 9.1 mi, 10.0 mi, and 9.9 mi, respectively from Montreal Pierre Elliott Trudeau Intl. Travelers in need of a car in Montreal can rent one for about $38 per day.

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

    Frankfurt am Main travelers tend to visit Römerberg, Oper Frankfurt, and Konstablerwache more than any other attractions. Römerberg, Oper Frankfurt, and Konstablerwache can be visited by traveling about 7.4 mi, 7.0 mi, and 7.7 mi respectively from Frankfurt am Main. Travelers can book a car rental at Frankfurt am Main for about $46 per day to make their sightseeing more efficient.

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

  • 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 $1,068). 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.

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$366Average$420FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$437Average$669FlexibilityNo cancel feeOn-time77%
IberiaCheapest$440Average$823FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$477Average$736FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$478Average$764FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$483Average$834FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$491Average$714FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$493Average$773FlexibilityNo cancel feeOn-time76%
DeltaCheapest$500Average$914FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$517Average$876FlexibilityNo cancel feeOn-time77%

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.