What airlines fly to Denver?

Lufthansa, United Airlines and Delta are the top three most popular airlines that fly to Denver from Barcelona according to our data. Lufthansa is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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

TAP AIR PORTUGAL, WestJet, and Aer Lingus are the most popular carriers operating from Barcelona to Denver Intl

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

Prices for flights from Barcelona to Denver Intl Airport are refreshed on a daily basis.

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

The number of operators available for flights from Barcelona to Denver Intl Airport is 3 as of August 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Barcelona to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$348 Cheap Flights from Barcelona to Denver in 2025

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Find the cheapest flights from Barcelona to Denver

Round-trip

One-way

Last minute

Cheap round-trip flights

2:00 pm - 10:18 amBCN-DEN

28h 18m1 stop

11:15 am - 11:30 pmDEN-BCN

28h 15m2 stops

$582

Find Deal

Fri, Sep 5 - Wed, Sep 24

7:30 am - 6:55 pmBCN-DEN

19h 25m2 stops

4:40 pm - 12:25 amDEN-BCN

23h 45m2 stops

$680

Find Deal

Thu, Oct 2 - Fri, Oct 17

3:40 pm - 8:30 amBCN-DEN

24h 50m1 stop

6:55 pm - 5:45 pmDEN-BCN

38h 50m2 stops

$694

Find Deal

Wed, Sep 17 - Sun, Sep 21

11:00 am - 5:59 pmBCN-DEN

14h 59m1 stop

7:55 pm - 10:25 pmDEN-BCN

18h 30m1 stop

$713Aer Lingus

Find Deal

Thu, Oct 2 - Fri, Oct 17

11:00 am - 5:59 pmBCN-DEN

14h 59m1 stop

7:55 pm - 10:25 pmDEN-BCN

18h 30m1 stop

$731Aer Lingus

Find Deal

Thu, Oct 2 - Fri, Oct 17

6:50 am - 1:35 pmBCN-DEN

14h 45m1 stop

5:00 pm - 1:15 pmDEN-BCN

12h 15m1 stop

$778Lufthansa

Find Deal

Wed, Sep 10 - Sun, Sep 14

6:50 am - 1:35 pmBCN-DEN

14h 45m1 stop

4:15 pm - 9:40 pmDEN-BCN

21h 25m1 stop

$784Lufthansa

Find Deal

Wed, Sep 17 - Sun, Sep 21

8:00 am - 1:35 pmBCN-DEN

13h 35m1 stop

4:15 pm - 9:40 pmDEN-BCN

21h 25m1 stop

$792United Airlines

Find Deal

Thu, Oct 2 - Fri, Oct 17

8:00 am - 1:35 pmBCN-DEN

13h 35m1 stop

11:59 pm - 8:20 amDEN-BCN

24h 21m1 stop

$793United Airlines

Find Deal

Wed, Sep 24 - Wed, Oct 1

11:05 am - 7:55 pmBCN-DEN

16h 50m2 stops

9:39 am - 9:00 amDEN-BCN

15h 21m2 stops

$898Delta

Find Deal

Fri, Sep 5 - Wed, Sep 24

Aer Lingus flights from Barcelona to Denver

Our best Aer Lingus deals on Barcelona to Denver flight tickets

Aer Lingus

Oct 2

BCN11:00 amBarcelona-El Prat

14h 59m

1 stop

DEN5:59 pmDenver Intl

Oct 17

DEN7:55 pmDenver Intl

18h 30m

1 stop

BCN10:25 pmBarcelona-El Prat

$713

Find similar

Aer Lingus

Sep 3

BCN11:00 amBarcelona-El Prat

14h 59m

1 stop

DEN5:59 pmDenver Intl

Sep 24

DEN7:55 pmDenver Intl

18h 30m

1 stop

BCN10:25 pmBarcelona-El Prat

$725

Find similar

Aer Lingus

Oct 2

BCN11:00 amBarcelona-El Prat

14h 59m

1 stop

DEN5:59 pmDenver Intl

Oct 17

DEN7:55 pmDenver Intl

18h 30m

1 stop

BCN10:25 pmBarcelona-El Prat

$731

Find similar

Air Canada flights from Barcelona to Denver

Our best Air Canada deals on Barcelona to Denver flight tickets

Air Canada

Sep 17

BCN6:50 amBarcelona-El Prat

17h 43m

2 stops

DEN4:33 pmDenver Intl

Sep 21

DEN7:45 amDenver Intl

16h 05m

2 stops

BCN7:50 amBarcelona-El Prat

$791

Find similar

Air Canada

Sep 22

BCN12:10 pmBarcelona-El Prat

14h 08m

1 stop

DEN6:18 pmDenver Intl

Oct 5

DEN11:15 amDenver Intl

12h 35m

1 stop

BCN7:50 amBarcelona-El Prat

$798

Find similar

Air Canada

Oct 2

BCN12:10 pmBarcelona-El Prat

19h 20m

2 stops

DEN11:30 pmDenver Intl

Oct 17

DEN5:36 pmDenver Intl

31h 44m

1 stop

BCN9:20 amBarcelona-El Prat

$810

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Fri 9/5

2:00 pm-10:18 am

1 stop28h 18m

Denver Intl

Wed 9/24

11:15 am-11:30 pm

2 stops28h 15m

$582

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Thu 10/2

7:30 am-6:55 pm

2 stops19h 25m

Denver Intl

Fri 10/17

4:40 pm-12:25 am

2 stops23h 45m

$680

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Wed 9/17

3:40 pm-8:30 am

1 stop24h 50m

Denver Intl

Sun 9/21

6:55 pm-5:45 pm

2 stops38h 50m

$694

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Thu 10/2

11:00 am-5:59 pm

1 stop14h 59m

Denver Intl

Fri 10/17

7:55 pm-10:25 pm

1 stop18h 30m

$713

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Thu 10/2

11:00 am-5:59 pm

1 stop14h 59m

Denver Intl

Fri 10/17

7:55 pm-10:25 pm

1 stop18h 30m

$731

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Wed 9/10

6:50 am-1:35 pm

1 stop14h 45m

Denver Intl

Sun 9/14

5:00 pm-1:15 pm

1 stop12h 15m

$778

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Wed 9/17

6:50 am-1:35 pm

1 stop14h 45m

Denver Intl

Sun 9/21

4:15 pm-9:40 pm

1 stop21h 25m

$784

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Thu 10/2

8:00 am-1:35 pm

1 stop13h 35m

Denver Intl

Fri 10/17

4:15 pm-9:40 pm

1 stop21h 25m

$792

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Wed 9/24

8:00 am-1:35 pm

1 stop13h 35m

Denver Intl

Wed 10/1

11:59 pm-8:20 am

1 stop24h 21m

$793

BarcelonaDenver

BCN - DEN

BCNDEN

Barcelona-El Prat

Fri 9/5

11:05 am-7:55 pm

2 stops16h 50m

Denver Intl

Wed 9/24

9:39 am-9:00 am

2 stops15h 21m

$898

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 Barcelona to Denver

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 Denver?

The cheapest month to fly to Denver from Barcelona is in February. Flight prices, which tend to average around $692, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until March to fly from Barcelona, when ticket prices are also cheap, with an average price of $753.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $795. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $1,129.

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

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $922. Flights at noon are often more expensive with an average ticket price of $1,143.

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

You are more likely to see cheaper flights to Denver from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $873 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Barcelona for as low as $696 on momondo.

Cheap Barcelona to Denver flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Barcelona to Denver Intl by plane?
The straight-line distance from Barcelona to Denver Intl is 5204.7 mi. By plane, this route typically takes 13h 35m.
When did momondo last update prices for flights from Barcelona to Denver Intl Airport?
Prices for flights from Barcelona to Denver Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Barcelona to Denver Intl Airport?
The number of operators available for flights from Barcelona to Denver Intl Airport is 3 as of August 2025.
How old do you have to be to fly from Barcelona to Denver Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Barcelona to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Barcelona to Denver

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $591	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
Lufthansa	PriceFrom $649	Free Cancellation	Rating 6.8 7,359 reviews	Search Lufthansa flights
Delta	PriceFrom $660	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Denver. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Denver from Barcelona with this policy.

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

Once all potential Barcelona to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Barcelona to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.