What airlines fly to Spain?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Spain from Denver according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 17 different airlines that fly to Spain 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 Spain?

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

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

As of August 2025, there are 17 operators available to choose from for flights from Denver Intl Airport to Spain.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Spain.

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

The required travel and health documents for your Spain trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$240 Cheap Flights from Denver to Spain in 2025

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Find the cheapest flights from Denver to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

7:10 pm - 7:50 amDEN-BCN

28h 40m2 stops

1:15 pm - 11:30 pmBCN-DEN

18h 15m2 stops

$481Air Canada

Find Deal

Mon, Sep 22 - Wed, Oct 8

5:37 pm - 9:20 amDEN-BCN

31h 43m1 stop

1:15 pm - 10:14 amBCN-DEN

28h 59m1 stop

$482United Airlines

Find Deal

Sat, Sep 20 - Fri, Sep 26

5:59 pm - 7:45 pmDEN-BCN

17h 46m1 stop

5:50 am - 5:00 pmBCN-DEN

18h 10m1 stop

$503Lufthansa

Find Deal

Tue, Oct 14 - Tue, Oct 28

4:20 pm - 11:05 pmDEN-BCN

22h 45m1 stop

7:30 am - 2:35 pmBCN-DEN

15h 05m1 stop

$507Lufthansa

Find Deal

Tue, Nov 18 - Tue, Dec 2

11:29 am - 9:05 amDEN-BCN

13h 36m1 stop

9:10 pm - 8:27 pmBCN-DEN

31h 17m2 stops

$508British Airways

Find Deal

Tue, Sep 30 - Mon, Oct 13

8:57 am - 9:05 amDEN-BCN

16h 08m1 stop

8:00 pm - 6:12 pmBCN-DEN

29h 12m2 stops

$513British Airways

Find Deal

Mon, Oct 20 - Mon, Oct 27

12:21 pm - 6:15 amDEN-MAD

33h 54m1 stop

1:00 pm - 8:17 pmMAD-DEN

15h 17m1 stop

$523Iberia

Find Deal

Sat, Nov 8 - Wed, Nov 19

10:21 am - 2:15 pmDEN-MAD

19h 54m2 stops

6:05 pm - 8:17 pmMAD-DEN

34h 12m2 stops

$559Iberia

Find Deal

Mon, Nov 10 - Mon, Nov 17

10:42 am - 12:05 pmDEN-AGP

17h 23m2 stops

9:10 am - 10:22 pmAGP-DEN

21h 12m2 stops

$594American Airlines

Find Deal

Tue, Oct 14 - Fri, Nov 21

4:44 pm - 5:00 pmDEN-VLC

16h 16m2 stops

6:05 am - 8:27 pmVLC-DEN

21h 22m2 stops

$604American Airlines

Find Deal

Mon, Oct 13 - Wed, Oct 29

SWISS flights from Denver to Spain

Our best SWISS deals on Denver to Spain flight tickets

SWISS

Sep 29

DEN4:15 pmDenver Intl

18h 30m

2 stops

MAD6:45 pmMadrid Barajas

Oct 15

MAD7:35 pmMadrid Barajas

33h 40m

2 stops

DEN9:15 pmDenver Intl

$551

Find similar

SWISS

Aug 22

DEN5:50 pmDenver Intl

17h 20m

1 stop

BCN7:10 pmBarcelona-El Prat

Sep 4

BCN8:00 pmBarcelona-El Prat

28h 20m

1 stop

DEN4:20 pmDenver Intl

$704

Find similar

SWISS

Aug 22

DEN5:50 pmDenver Intl

31h 00m

1 stop

BCN8:50 amBarcelona-El Prat

Sep 4

BCN8:00 pmBarcelona-El Prat

34h 00m

2 stops

DEN10:00 pmDenver Intl

$720

Find similar

Lufthansa flights from Denver to Spain

Our best Lufthansa deals on Denver to Spain flight tickets

Lufthansa

Oct 14

DEN5:59 pmDenver Intl

17h 46m

1 stop

BCN7:45 pmBarcelona-El Prat

Oct 28

BCN5:50 amBarcelona-El Prat

18h 10m

1 stop

DEN5:00 pmDenver Intl

$503

Find similar

Lufthansa

Nov 18

DEN4:20 pmDenver Intl

22h 45m

1 stop

BCN11:05 pmBarcelona-El Prat

Dec 2

BCN7:30 amBarcelona-El Prat

15h 05m

1 stop

DEN2:35 pmDenver Intl

$507

Find similar

Lufthansa

Oct 13

DEN5:59 pmDenver Intl

14h 16m

1 stop

BCN4:15 pmBarcelona-El Prat

Oct 27

BCN6:20 pmBarcelona-El Prat

28h 15m

1 stop

DEN3:35 pmDenver Intl

$520

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 9/22

7:10 pm-7:50 am

2 stops28h 40m

Barcelona-El Prat

Wed 10/8

1:15 pm-11:30 pm

2 stops18h 15m

$481

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Sat 9/20

5:37 pm-9:20 am

1 stop31h 43m

Barcelona-El Prat

Fri 9/26

1:15 pm-10:14 am

1 stop28h 59m

$482

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 10/14

5:59 pm-7:45 pm

1 stop17h 46m

Barcelona-El Prat

Tue 10/28

5:50 am-5:00 pm

1 stop18h 10m

$503

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 11/18

4:20 pm-11:05 pm

1 stop22h 45m

Barcelona-El Prat

Tue 12/2

7:30 am-2:35 pm

1 stop15h 05m

$507

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 9/30

11:29 am-9:05 am

1 stop13h 36m

Barcelona-El Prat

Mon 10/13

9:10 pm-8:27 pm

2 stops31h 17m

$508

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 10/20

8:57 am-9:05 am

1 stop16h 08m

Barcelona-El Prat

Mon 10/27

8:00 pm-6:12 pm

2 stops29h 12m

$513

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Sat 11/8

12:21 pm-6:15 am

1 stop33h 54m

Madrid Barajas

Wed 11/19

1:00 pm-8:17 pm

1 stop15h 17m

$523

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Mon 11/10

10:21 am-2:15 pm

2 stops19h 54m

Madrid Barajas

Mon 11/17

6:05 pm-8:17 pm

2 stops34h 12m

$559

DenverMálaga

DEN - AGP

DENAGP

Denver Intl

Tue 10/14

10:42 am-12:05 pm

2 stops17h 23m

Malaga

Fri 11/21

9:10 am-10:22 pm

2 stops21h 12m

$594

DenverValencia

DEN - VLC

DENVLC

Denver Intl

Mon 10/13

4:44 pm-5:00 pm

2 stops16h 16m

Valencia

Wed 10/29

6:05 am-8:27 pm

2 stops21h 22m

$604

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 Spain

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 Spain?

If you don’t want to visit Spain in February, then you should wait until January to fly from Denver, when ticket prices are also cheap, with an average price of $538.

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

The cheapest day to depart from Denver to Spain is on a Sunday when prices can be found for as low as $787. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Spain for around $1,107.

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

Flying to Spain from Denver in the evening is the least expensive time of day to depart. momondo users have found prices as low as $787 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is at noon when prices are around $1,004.

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

You are more likely to see cheaper flights to Spain from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $823 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Denver for as low as $604 on momondo.

Can stopping save me money on Denver to Spain flights?

You could potentially save up to 39% on your flight if you consider stops on a Denver to Spain flight.

Cheap Denver to Spain flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Denver Intl Airport to Spain?
Prices for flights from Denver Intl Airport to Spain are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Spain?
As of August 2025, there are 17 operators available to choose from for flights from Denver Intl Airport to Spain.
How old do you have to be to fly from Denver Intl Airport to Spain?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Spain.
What documentation or ID do you need to fly to Spain?
The required travel and health documents for your Spain trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Denver to Spain

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $298	Free Cancellation	Rating 7.2 2,916 reviews	Search JetBlue flights
Icelandair	PriceFrom $349	Free Cancellation	Rating 7.0 529 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $397	Free Cancellation	Rating 7.3 3,950 reviews	Search Turkish Airlines flights
Virgin Atlantic	PriceFrom $408	Free Cancellation	Rating 7.4 658 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 2,884 reviews	Search Iberia flights
United Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
British Airways	PriceFrom $486	Free Cancellation	Rating 6.7 7,291 reviews	Search British Airways flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $495	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
KLM	PriceFrom $505	Free Cancellation	Rating 7.8 1,388 reviews	Search KLM flights

Why use momondo?

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

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

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

All flight searches from Denver to Spain on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Spain from Denver.

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

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

An easier way to manage your Spain trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Spain

Popular cities in Spain

Flights to Barcelonafrom $288

Flights to Madridfrom $314

Flights to Málagafrom $328

Flights to Palma de Mallorcafrom $324

Flights to Alicantefrom $322

Flights to Valenciafrom $348

Flights to Las Palmas de Gran Canariafrom $356

Flights to Ibizafrom $355

Flights to Santa Cruz de Tenerifefrom $419

Flights to Sevillefrom $347

Flights to Bilbaofrom $354

Flights to Puerto del Rosariofrom $651

Cheap flights from Denver to Spain from $240

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Spain departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Denver to Spain

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

SWISS flights from Denver to Spain

Our best SWISS deals on Denver to Spain flight tickets

Lufthansa flights from Denver to Spain

Our best Lufthansa deals on Denver to Spain flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Denver to Spain that are best for you.

See travel insights to Spain from

How to get the cheapest flight ticket from Denver to Spain

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

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in February, then you should wait until January to fly from Denver, when ticket prices are also cheap, with an average price of $538.

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

The cheapest day to depart from Denver to Spain is on a Sunday when prices can be found for as low as $787. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Spain for around $1,107.

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

Flying to Spain from Denver in the evening is the least expensive time of day to depart. momondo users have found prices as low as $787 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is at noon when prices are around $1,004.

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

Can stopping save me money on Denver to Spain flights?

You could potentially save up to 39% on your flight if you consider stops on a Denver to Spain flight.

What airlines fly to Spain?

Cheap Denver to Spain flight deals and tips

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

Direct flights

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

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

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

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

Best airlines flying from Denver to Spain

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

Why use momondo?

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

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

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

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

An easier way to manage your Spain trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo