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

Icelandair 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 49% 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 December 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.

$209 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 2:45 pm

DEN

BCN

14h 25m1 stop

9:55 am - 4:00 pm

BCN

DEN

14h 05m1 stop

$458Lufthansa

Wed, Feb 11 - Wed, Feb 18

4:20 pm - 5:35 pm

DEN

BCN

17h 15m1 stop

9:55 am - 4:00 pm

BCN

DEN

14h 05m1 stop

$459Lufthansa

Wed, Feb 4 - Wed, Feb 18

4:20 pm - 5:35 pm

DEN

BCN

17h 15m1 stop

6:50 am - 1:40 pm

BCN

DEN

14h 50m1 stop

$460Lufthansa

Wed, Feb 4 - Wed, Feb 18

1:30 pm - 2:05 pm

DEN

BCN

16h 35m2 stops

9:55 am - 4:00 pm

BCN

DEN

14h 05m1 stop

$461Multiple Airlines

Wed, Feb 4 - Wed, Feb 18

4:20 pm - 2:45 pm

DEN

BCN

14h 25m1 stop

7:40 am - 4:00 pm

BCN

DEN

16h 20m2 stops

$467Lufthansa

Wed, Feb 11 - Wed, Feb 18

4:20 pm - 5:35 pm

DEN

BCN

17h 15m1 stop

6:20 pm - 2:35 pm

BCN

DEN

28h 15m1 stop

$472Lufthansa

Mon, Jan 12 - Mon, Jan 19

11:15 am - 8:35 am

DEN

BCN

14h 20m1 stop

12:15 pm - 7:55 pm

BCN

DEN

15h 40m1 stop

$475Multiple Airlines

Mon, Mar 23 - Tue, Mar 31

11:15 am - 9:35 am

DEN

BCN

14h 20m1 stop

9:55 am - 7:55 pm

BCN

DEN

18h 00m2 stops

$476Multiple Airlines

Sun, Jan 18 - Tue, Jan 27

11:15 am - 9:35 am

DEN

BCN

14h 20m1 stop

7:55 pm - 7:55 pm

BCN

DEN

32h 00m2 stops

$478Multiple Airlines

Mon, Feb 2 - Mon, Nov 23

9:20 pm - 11:05 pm

DEN

BCN

18h 45m1 stop

9:55 am - 5:00 pm

BCN

DEN

14h 05m1 stop

$481Lufthansa

Sun, Mar 8 - Tue, Mar 17

United Airlines flights from Denver to Barcelona

Our best United Airlines deals on Denver to Barcelona flight tickets

United Airlines

Jan 18

DEN11:15 amDenver Intl

14h 20m

1 stop

BCN9:35 amBarcelona-El Prat

Jan 27

BCN1:35 pmBarcelona-El Prat

31h 03m

2 stops

DEN12:38 pmDenver Intl

$483

Find similar

United Airlines

Jan 18

DEN11:59 pmDenver Intl

25h 36m

2 stops

BCN9:35 amBarcelona-El Prat

Jan 27

BCN1:35 pmBarcelona-El Prat

31h 03m

2 stops

DEN12:38 pmDenver Intl

$488

Find similar

United Airlines

Mar 22

DEN11:59 pmDenver Intl

25h 21m

1 stop

BCN8:20 amBarcelona-El Prat

Mar 31

BCN1:15 pmBarcelona-El Prat

35h 20m

1 stop

DEN4:35 pmDenver Intl

$489

Find similar

SWISS flights from Denver to Barcelona

Our best SWISS deals on Denver to Barcelona flight tickets

SWISS

Jan 12

DEN1:30 pmDenver Intl

16h 35m

2 stops

BCN2:05 pmBarcelona-El Prat

Jan 19

BCN7:50 pmBarcelona-El Prat

34h 09m

2 stops

DEN9:59 pmDenver Intl

$499

Find similar

SWISS

Jan 13

DEN5:35 pmDenver Intl

31h 30m

2 stops

BCN9:05 amBarcelona-El Prat

Jan 22

BCN7:50 pmBarcelona-El Prat

34h 09m

2 stops

DEN9:59 pmDenver Intl

$522

Find similar

SWISS

Jan 17

DEN1:30 pmDenver Intl

59h 35m

2 stops

BCN9:05 amBarcelona-El Prat

Jan 22

BCN7:50 pmBarcelona-El Prat

34h 09m

2 stops

DEN9:59 pmDenver Intl

$524

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/11

4:20 pm-2:45 pm

1 stop14h 25m

Barcelona-El Prat

Wed 2/18

9:55 am-4:00 pm

1 stop14h 05m

$458

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/4

4:20 pm-5:35 pm

1 stop17h 15m

Barcelona-El Prat

Wed 2/18

9:55 am-4:00 pm

1 stop14h 05m

$459

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/4

4:20 pm-5:35 pm

1 stop17h 15m

Barcelona-El Prat

Wed 2/18

6:50 am-1:40 pm

1 stop14h 50m

$460

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/4

1:30 pm-2:05 pm

2 stops16h 35m

Barcelona-El Prat

Wed 2/18

9:55 am-4:00 pm

1 stop14h 05m

$461

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Wed 2/11

4:20 pm-2:45 pm

1 stop14h 25m

Barcelona-El Prat

Wed 2/18

7:40 am-4:00 pm

2 stops16h 20m

$467

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 1/12

4:20 pm-5:35 pm

1 stop17h 15m

Barcelona-El Prat

Mon 1/19

6:20 pm-2:35 pm

1 stop28h 15m

$472

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 3/23

11:15 am-8:35 am

1 stop14h 20m

Barcelona-El Prat

Tue 3/31

12:15 pm-7:55 pm

1 stop15h 40m

$475

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 1/18

11:15 am-9:35 am

1 stop14h 20m

Barcelona-El Prat

Tue 1/27

9:55 am-7:55 pm

2 stops18h 00m

$476

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 2/2

11:15 am-9:35 am

1 stop14h 20m

Barcelona-El Prat

Mon 11/23

7:55 pm-7:55 pm

2 stops32h 00m

$478

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sun 3/8

9:20 pm-11:05 pm

1 stop18h 45m

Barcelona-El Prat

Tue 3/17

9:55 am-5:00 pm

1 stop14h 05m

$481

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 $486. 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 $489.

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 $782 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 $630 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	12h 59m
Direct flights	None

The fastest flight from Denver to Barcelona takes 12h 59m

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 12h 59m.
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 December 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 $367	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $401	Free Cancellation	Rating 7.3 4,104 reviews	Search Turkish Airlines flights
Iberia	PriceFrom $433	Free Cancellation	Rating 7.0 3,051 reviews	Search Iberia flights
United Airlines	PriceFrom $478	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
British Airways	PriceFrom $483	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Lufthansa	PriceFrom $502	Free Cancellation	Rating 6.8 7,632 reviews	Search Lufthansa flights
Air Canada	PriceFrom $507	Free Cancellation	Rating 7.1 10,531 reviews	Search Air Canada flights
Delta	PriceFrom $515	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Air France	PriceFrom $516	Free Cancellation	Rating 7.4 1,506 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.