What is the cheapest airline that flies from Denver Intl to Barcelona?

Delta is the most popular carrier operating from Denver Intl to Barcelona

What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from Denver according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 12 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Denver Intl Airport to Barcelona?

Prices for flights from Denver Intl Airport to Barcelona were last updated today.

How many operators does momondo search for flights from Denver Intl Airport to Barcelona?

As of November 2025, there are 12 operators available to choose from for flights from Denver Intl Airport to Barcelona.

How old do you have to be to fly from Denver Intl Airport to Barcelona?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$216 Cheap Flights from Denver to Barcelona in 2025/26

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Find the cheapest flights from Denver to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 2:05 pmDEN-BCN

16h 40m2 stops

12:35 pm - 4:33 pmBCN-DEN

34h 58m2 stops

$504Air Canada

Find Deal

Tue, Feb 24 - Tue, Mar 10

8:15 am - 9:35 amDEN-BCN

17h 20m2 stops

6:50 am - 7:35 pmBCN-DEN

20h 45m2 stops

$507United Airlines

Find Deal

Sun, Feb 15 - Fri, Feb 27

5:01 am - 9:00 amDEN-BCN

19h 59m2 stops

11:00 am - 11:41 pmBCN-DEN

20h 41m2 stops

$508United Airlines

Find Deal

Tue, Jan 13 - Wed, Jan 28

4:20 pm - 5:35 pmDEN-BCN

17h 15m1 stop

6:20 pm - 2:35 pmBCN-DEN

28h 15m1 stop

$509Lufthansa

Find Deal

Thu, Jan 8 - Mon, Jan 19

11:15 am - 9:35 amDEN-BCN

14h 20m1 stop

1:45 pm - 1:40 pmBCN-DEN

31h 55m1 stop

$510United Airlines

Find Deal

Sun, Feb 15 - Mon, Mar 2

5:30 pm - 9:35 amDEN-BCN

56h 05m2 stops

11:55 am - 2:35 pmBCN-DEN

34h 40m1 stop

$511Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 26

6:00 am - 11:10 amDEN-BCN

21h 10m2 stops

10:15 am - 10:48 pmBCN-DEN

20h 33m2 stops

$512Delta

Find Deal

Mon, Feb 16 - Fri, Feb 27

12:59 am - 8:40 amDEN-BCN

23h 41m1 stop

9:15 am - 9:28 pmBCN-DEN

19h 13m2 stops

$513Delta

Find Deal

Tue, Mar 3 - Fri, Mar 13

11:59 pm - 8:20 amDEN-BCN

25h 21m1 stop

10:30 am - 11:30 pmBCN-DEN

20h 00m2 stops

$514United Airlines

Find Deal

Sat, Mar 21 - Wed, Mar 25

5:35 pm - 11:05 pmDEN-BCN

21h 30m2 stops

6:50 am - 1:40 pmBCN-DEN

14h 50m1 stop

$516Lufthansa

Find Deal

Wed, Jan 7 - Wed, Jan 14

United Airlines flights from Denver to Barcelona

Our best United Airlines deals on Denver to Barcelona flight tickets

United Airlines

Feb 15

DEN8:15 amDenver Intl

17h 20m

2 stops

BCN9:35 amBarcelona-El Prat

Feb 27

BCN6:50 amBarcelona-El Prat

20h 45m

2 stops

DEN7:35 pmDenver Intl

$507

Find similar

United Airlines

Jan 13

DEN5:01 amDenver Intl

19h 59m

2 stops

BCN9:00 amBarcelona-El Prat

Jan 23

BCN11:00 amBarcelona-El Prat

20h 41m

2 stops

DEN11:41 pmDenver Intl

$508

Find similar

United Airlines

Feb 15

DEN11:15 amDenver Intl

14h 20m

1 stop

BCN9:35 amBarcelona-El Prat

Mar 2

BCN1:45 pmBarcelona-El Prat

31h 55m

1 stop

DEN1:40 pmDenver Intl

$510

Find similar

Lufthansa flights from Denver to Barcelona

Our best Lufthansa deals on Denver to Barcelona flight tickets

Lufthansa

Jan 8

DEN4:20 pmDenver Intl

17h 15m

1 stop

BCN5:35 pmBarcelona-El Prat

Jan 19

BCN6:20 pmBarcelona-El Prat

28h 15m

1 stop

DEN2:35 pmDenver Intl

$509

Find similar

Lufthansa

Jan 7

DEN5:35 pmDenver Intl

21h 30m

2 stops

BCN11:05 pmBarcelona-El Prat

Jan 14

BCN6:50 amBarcelona-El Prat

14h 50m

1 stop

DEN1:40 pmDenver Intl

$516

Find similar

Lufthansa

Mar 1

DEN8:20 pmDenver Intl

13h 15m

1 stop

BCN5:35 pmBarcelona-El Prat

Mar 16

BCN6:20 pmBarcelona-El Prat

28h 15m

1 stop

DEN3:35 pmDenver Intl

$517

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 2/24

1:25 pm-2:05 pm

2 stops16h 40m

Barcelona-El Prat

Tue 3/10

12:35 pm-4:33 pm

2 stops34h 58m

$504

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 2/15

8:15 am-9:35 am

2 stops17h 20m

Barcelona-El Prat

Fri 2/27

6:50 am-7:35 pm

2 stops20h 45m

$507

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 1/13

5:01 am-9:00 am

2 stops19h 59m

Barcelona-El Prat

Wed 1/28

11:00 am-11:41 pm

2 stops20h 41m

$508

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Thu 1/8

4:20 pm-5:35 pm

1 stop17h 15m

Barcelona-El Prat

Mon 1/19

6:20 pm-2:35 pm

1 stop28h 15m

$509

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 2/15

11:15 am-9:35 am

1 stop14h 20m

Barcelona-El Prat

Mon 3/2

1:45 pm-1:40 pm

1 stop31h 55m

$510

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 1/12

5:30 pm-9:35 am

2 stops56h 05m

Barcelona-El Prat

Mon 1/26

11:55 am-2:35 pm

1 stop34h 40m

$511

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 2/16

6:00 am-11:10 am

2 stops21h 10m

Barcelona-El Prat

Fri 2/27

10:15 am-10:48 pm

2 stops20h 33m

$512

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 3/3

12:59 am-8:40 am

1 stop23h 41m

Barcelona-El Prat

Fri 3/13

9:15 am-9:28 pm

2 stops19h 13m

$513

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 3/21

11:59 pm-8:20 am

1 stop25h 21m

Barcelona-El Prat

Wed 3/25

10:30 am-11:30 pm

2 stops20h 00m

$514

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 1/7

5:35 pm-11:05 pm

2 stops21h 30m

Barcelona-El Prat

Wed 1/14

6:50 am-1:40 pm

1 stop14h 50m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from Denver, with most prices found around $489. If you don’t want to visit Barcelona in November, then you should wait until February to fly from Denver, when ticket prices are also cheap, with an average price of $497.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Denver to Barcelona is on a Sunday when prices can be found for as low as $787. On the other hand, Thursday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,107.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Denver to Barcelona when you can find flight prices for as low as $787. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,004 on average. Flights to Barcelona from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Denver for as low as $629 on momondo.

Cheap Denver to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Barcelona

Fastest flight time	11h 45m
Direct flights	None

The fastest flight from Denver to Barcelona takes 11h 45m

There are no direct flights from Denver to Barcelona. There are no popular flight routes from Denver to Barcelona.

Search flight deals

How far is Denver Intl to Barcelona by plane?
A flight from Denver Intl to Barcelona will travel around 5204.7 mi. A reasonable flight in good conditions will take 13h 05m.
When did momondo last update prices for flights from Denver Intl Airport to Barcelona?
Prices for flights from Denver Intl Airport to Barcelona were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Barcelona?
As of November 2025, there are 12 operators available to choose from for flights from Denver Intl Airport to Barcelona.
How old do you have to be to fly from Denver Intl Airport to Barcelona?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Denver to Barcelona

Compare and see reviews for airlines that fly from Denver to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $352	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $386	Free Cancellation	Rating 7.3 4,055 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $478	Free Cancellation	Rating 7.4 9,044 reviews	Search United Airlines flights
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 3,034 reviews	Search Iberia flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
British Airways	PriceFrom $488	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Delta	PriceFrom $500	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
Air Canada	PriceFrom $506	Free Cancellation	Rating 7.1 10,474 reviews	Search Air Canada flights
Lufthansa	PriceFrom $511	Free Cancellation	Rating 6.8 7,593 reviews	Search Lufthansa flights
Air France	PriceFrom $512	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Barcelona?

It is quick and easy to find Denver to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

Can I find flights from Denver to Barcelona with flexible booking policies on momondo?

Yes. All flights to Barcelona from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Barcelona?

momondo helps you find the best flight between Denver and Barcelona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Denver to Barcelona right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Barcelona, momondo offers a useful price alert feature which will track prices for flights to Barcelona from Denver and alert you when they change.