Barcelona

$317+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BCN
May 1 — May 81
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 April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/31. 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.
Thu 9/38:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Fri 9/1112:10 pm
BCN
-
DEN
1 stop38h 15m
Turkish Airlines
Deal found 3/31$634
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Sun 4/268:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Tue 5/57:40 am
BCN
-
DEN
1 stop18h 45m
Turkish Airlines
Deal found 3/31$636
This Rumbo deal was found by Cheapflights users on 3/28. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Fri 4/177:05 pm
BCN
-
DEN
1 stop31h 20m
Turkish Airlines
Deal found 3/28$642
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Thu 5/78:25 pm
DEN
-
BCN
1 stop33h 05m
Turkish Airlines
Thu 5/147:40 am
BCN
-
DEN
1 stop18h 45m
Turkish Airlines
Deal found 3/27$645
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Wed 5/137:05 pm
BCN
-
DEN
1 stop31h 20m
Turkish Airlines
Deal found 3/30$646
This Booking.com deal was found by Cheapflights users on 3/26. 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.
Sat 5/28:25 pm
DEN
-
BCN
1 stop37h 10m
Turkish Airlines
Wed 5/612:10 pm
BCN
-
DEN
1 stop38h 15m
Turkish Airlines
Deal found 3/26$648
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Wed 4/2212:10 pm
BCN
-
DEN
1 stop38h 15m
Turkish Airlines
Deal found 3/30$649
This Booking.com deal was found by Cheapflights users on 3/31. 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.
Thu 8/208:25 pm
DEN
-
BCN
1 stop18h 50m
Turkish Airlines
Wed 9/27:05 pm
BCN
-
DEN
1 stop31h 20m
Turkish Airlines
Deal found 3/31$650
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:25 pm
DEN
-
BCN
1 stop18h 50m
Turkish Airlines
Thu 5/77:40 am
BCN
-
DEN
1 stop18h 45m
Turkish Airlines
Deal found 3/28$661
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Thu 9/38:25 pm
DEN
-
BCN
1 stop18h 50m
Turkish Airlines
Sun 9/137:40 am
BCN
-
DEN
1 stop18h 45m
Turkish Airlines
Deal found 3/30$662
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:25 pm
DEN
-
BCN
1 stop30h 20m
Turkish Airlines
Mon 4/272:35 pm
BCN
-
DEN
1 stop35h 50m
Turkish Airlines
Deal found 3/30$664

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 April 1, 2026.

Round-trip from

$634
(FlightHub)

One-way from

$317
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$699
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 ($361 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 1, 2026.
Use the filters below to find and compare flights from Denver to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 4/12

8:25 pm-11:15 pm

1 stop18h 50m

Barcelona-El Prat

Mon 4/27

12:10 pm-6:25 pm

1 stop38h 15m

$665

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 5/9

9:52 am-1:00 pm

2 stops43h 08m

Barcelona-El Prat

Sat 6/13

2:00 pm-12:40 am

1 stop18h 40m

$767

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 5/10

6:00 am-8:20 am

2 stops18h 20m

Barcelona-El Prat

Wed 5/20

12:15 pm-10:34 am

1 stop30h 19m

$894

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 5/9

9:20 pm-8:20 am

2 stops27h 00m

Barcelona-El Prat

Sat 6/13

11:15 am-6:41 am

2 stops27h 26m

$961

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 5/19

4:05 pm-5:55 pm

1 stop17h 50m

Barcelona-El Prat

Mon 6/1

1:25 pm-2:20 pm

1 stop32h 55m

$1,022

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 5/20

1:25 pm-2:25 pm

2 stops17h 00m

Barcelona-El Prat

Wed 5/27

6:40 am-6:03 pm

2 stops19h 23m

$1,116

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 5/16

6:30 pm-5:35 pm

1 stop15h 05m

Barcelona-El Prat

Sat 5/23

10:10 am-4:20 pm

1 stop14h 10m

$1,132

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Fri 5/15

1:25 pm-2:25 pm

2 stops17h 00m

Barcelona-El Prat

Sun 5/24

8:00 am-3:40 pm

1 stop15h 40m

$1,135

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 5/20

6:00 am-2:25 pm

2 stops24h 25m

Barcelona-El Prat

Sun 5/31

6:00 am-4:15 pm

1 stop18h 15m

$1,212
Quickest round-trip

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 5/25

11:25 am-8:00 am

1 stop12h 35m

Barcelona-El Prat

Sun 6/7

7:55 am-2:20 pm

1 stop14h 25m

$1,219

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 23 resultsSorted by cheapest first
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 March 13, 2026.

The best time to book flights from Denver to Barcelona is 25 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 $1,038). 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.

How much does it cost to fly round-trip from Denver to Barcelona?

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 April 1, 2026.
Peruse reviews from past customers who have flown with United Airlines,Air Canada, andIcelandair 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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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 18h 20m. 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), Iberia ($433), and Delta ($435) offers the cheapest pricing from Denver to Barcelona. These flights start at 51% 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 $212. However, be on the lookout for offers from British Airways and Iberia, 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 Montreal?

    If you're on a layover in Montreal and looking for things to do, consider visiting Centre Bell, Vieux-Port de Montréal, or 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 can rent a car at Montreal Pierre Elliott Trudeau Intl for an average daily rate of $40 to make sightseeing during their layover a little easier.

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

    Most Chicago visitors opt to spend their time at Magnificent Mile, Grant Park, and 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 in need of a car in Chicago can rent one for about $55 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 $34 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 $1,038). 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$366Average$421FlexibilityNo cancel feeOn-time76%
IberiaCheapest$433Average$787FlexibilityNo cancel feeOn-time77%
DeltaCheapest$435Average$914FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$475Average$708FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$477Average$682FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$483Average$850FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$489Average$675FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$493Average$741FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$580Average$769FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$583Average$1,030FlexibilityNo 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.