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

Icelandair, United Airlines, and Air Canada are the most popular carriers operating from Denver Intl to Spain

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 43% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 13 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 November 2026, there are 13 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.

$291 Cheap Flights from Denver to Spain in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 9:40 pmDEN Denver Intl-BCN Barcelona-El Prat

22h 00m2 stops Reykjavik Keflavik Intl Dublin

6:40 am - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

19h 20m2 stops Dublin Reykjavik Keflavik Intl

$502Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

3:40 pm - 12:45 amDEN Denver Intl-BCN Barcelona-El Prat

25h 05m2 stops Reykjavik Keflavik Intl Dublin

6:40 am - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

19h 20m2 stops Dublin Reykjavik Keflavik Intl

$504Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

3:40 pm - 1:40 pmDEN Denver Intl-BCN Barcelona-El Prat

14h 00m1 stop Reykjavik Keflavik Intl

2:40 pm - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

35h 20m1 stop Reykjavik Keflavik Intl

$613Icelandair

Sat, Dec 5 - Sun, Dec 20

3:40 pm - 1:40 pmDEN Denver Intl-BCN Barcelona-El Prat

14h 00m1 stop Reykjavik Keflavik Intl

2:40 pm - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

35h 20m1 stop Reykjavik Keflavik Intl

$614Icelandair

Sat, Dec 5 - Sun, Dec 20

4:15 pm - 9:55 pmDEN Denver Intl-BIO Bilbao

21h 40m1 stop Munich Franz Josef Strauss

6:45 am - 4:35 pmBIO Bilbao-DEN Denver Intl

16h 50m1 stop Frankfurt am Main

$698Lufthansa

Tue, Mar 2 - Tue, Mar 16

4:15 pm - 5:50 pmDEN Denver Intl-MAD Madrid Barajas

17h 35m1 stop Munich Franz Josef Strauss

5:55 am - 3:40 pmMAD Madrid Barajas-DEN Denver Intl

17h 45m1 stop Frankfurt am Main

$700Lufthansa

Mon, Mar 1 - Wed, Mar 31

2:35 pm - 7:20 pmDEN Denver Intl-MAD Madrid Barajas

20h 45m2 stops Chicago O'Hare Intl London Heathrow

12:55 am - 9:47 amMAD Madrid Barajas-DEN Denver Intl

16h 52m1 stop Dallas/Fort Worth

$705Iberia

Tue, Feb 16 - Mon, Feb 22

11:21 am - 9:00 amDEN Denver Intl-MAD Madrid Barajas

37h 39m2 stops Edmonton Montreal Pierre Elliott Trudeau Intl

12:45 pm - 8:14 pmMAD Madrid Barajas-DEN Denver Intl

15h 29m1 stop Montreal Pierre Elliott Trudeau Intl

$705Air Canada

Sat, Apr 17 - Tue, Apr 27

11:21 am - 9:00 amDEN Denver Intl-MAD Madrid Barajas

37h 39m2 stops Edmonton Montreal Pierre Elliott Trudeau Intl

12:45 pm - 10:39 amMAD Madrid Barajas-DEN Denver Intl

29h 54m1 stop Montreal Pierre Elliott Trudeau Intl

$705Air Canada

Sun, Apr 25 - Tue, May 4

5:44 pm - 8:20 amDEN Denver Intl-MAD Madrid Barajas

30h 36m1 stop Chicago O'Hare Intl

1:35 pm - 11:59 pmMAD Madrid Barajas-DEN Denver Intl

18h 24m1 stop Chicago O'Hare Intl

$710Iberia

Sat, Apr 24 - Tue, May 4

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 8:40 pmDEN Denver Intl-MAD Madrid Barajas

21h 00m2 stops Reykjavik Keflavik Intl Dublin

7:50 am - 6:00 pmMAD Madrid Barajas-DEN Denver Intl

18h 10m2 stops Dublin Reykjavik Keflavik Intl

$729Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

3:40 pm - 9:30 amDEN Denver Intl-MAD Madrid Barajas

33h 50m3 stops Reykjavik Keflavik Intl Dublin Lisbon Humberto Delgado

7:50 am - 6:00 pmMAD Madrid Barajas-DEN Denver Intl

18h 10m2 stops Dublin Reykjavik Keflavik Intl

$758Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

3:40 pm - 1:45 pmDEN Denver Intl-AGP Malaga

14h 05m1 stop Reykjavik Keflavik Intl

2:45 pm - 6:00 pmAGP Malaga-DEN Denver Intl

35h 15m1 stop Reykjavik Keflavik Intl

$775Icelandair

Tue, Nov 10 - Wed, Nov 18

7:30 pm - 1:15 pmDEN Denver Intl-MAD Madrid Barajas

33h 45m1 stop Istanbul

6:00 pm - 5:25 pmMAD Madrid Barajas-DEN Denver Intl

31h 25m1 stop Istanbul

$785Turkish Airlines

Wed, Nov 11 - Sun, Dec 13

7:30 pm - 1:15 pmDEN Denver Intl-MAD Madrid Barajas

33h 45m1 stop Istanbul

11:55 am - 5:25 pmMAD Madrid Barajas-DEN Denver Intl

37h 30m1 stop Istanbul

$785Turkish Airlines

Wed, Nov 11 - Thu, Nov 19

5:00 am - 8:00 amDEN Denver Intl-MAD Madrid Barajas

19h 00m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 6:03 pmMAD Madrid Barajas-DEN Denver Intl

36h 38m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$792Air Canada

Wed, Nov 11 - Thu, Nov 19

5:25 pm - 4:20 pmDEN Denver Intl-MAD Madrid Barajas

14h 55m1 stop Frankfurt am Main

6:05 am - 3:35 pmMAD Madrid Barajas-DEN Denver Intl

17h 30m1 stop Frankfurt am Main

$795Lufthansa

Wed, Nov 11 - Thu, Nov 19

3:40 pm - 1:45 pmDEN Denver Intl-AGP Malaga

14h 05m1 stop Reykjavik Keflavik Intl

2:45 pm - 6:00 pmAGP Malaga-DEN Denver Intl

35h 15m1 stop Reykjavik Keflavik Intl

$826Icelandair

Fri, Nov 13 - Wed, Nov 18

4:15 pm - 10:55 pmDEN Denver Intl-BCN Barcelona-El Prat

22h 40m1 stop Munich Franz Josef Strauss

9:55 am - 3:35 pmBCN Barcelona-El Prat-DEN Denver Intl

13h 40m1 stop Frankfurt am Main

$832Lufthansa

Thu, Nov 12 - Wed, Nov 18

7:20 pm - 9:35 amDEN Denver Intl-BCN Barcelona-El Prat

30h 15m2 stops Edmonton Montreal Pierre Elliott Trudeau Intl

1:35 pm - 6:03 pmBCN Barcelona-El Prat-DEN Denver Intl

36h 28m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$833Air Canada

Thu, Nov 12 - Wed, Nov 18

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United Airlines flights from Denver to Spain

Our best United Airlines deals on Denver to Spain flight tickets

United Airlines

Apr 24

DEN7:05 pmDenver Intl

29h 55m

1 stop

MAD9:00 amMadrid Barajas

May 5

MAD12:45 pmMadrid Barajas

29h 54m

1 stop

DEN10:39 amDenver Intl

$707

United Airlines

Feb 10

DEN9:35 amDenver Intl

14h 25m

2 stops

MAD8:00 amMadrid Barajas

Feb 16

MAD1:25 pmMadrid Barajas

32h 48m

2 stops

DEN2:13 pmDenver Intl

$709

United Airlines

Mar 3

DEN11:25 amDenver Intl

12h 35m

1 stop

MAD8:00 amMadrid Barajas

Mar 17

MAD6:05 amMadrid Barajas

15h 20m

1 stop

DEN2:25 pmDenver Intl

$714

Air Canada flights from Denver to Spain

Our best Air Canada deals on Denver to Spain flight tickets

Air Canada

Feb 8

DEN11:25 amDenver Intl

12h 35m

1 stop

MAD8:00 amMadrid Barajas

Feb 17

MAD1:25 pmMadrid Barajas

42h 19m

2 stops

DEN11:44 pmDenver Intl

$705

Air Canada

Feb 28

DEN5:40 pmDenver Intl

30h 20m

2 stops

MAD8:00 amMadrid Barajas

Mar 9

MAD1:25 pmMadrid Barajas

40h 52m

2 stops

DEN10:17 pmDenver Intl

$713

Air Canada

Mar 1

DEN11:25 amDenver Intl

14h 10m

1 stop

BCN9:35 amBarcelona-El Prat

Mar 31

BCN12:15 pmBarcelona-El Prat

37h 49m

2 stops

DEN6:04 pmDenver Intl

$714

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Thu 12/3

3:40 pm-9:40 pm

2 stops22h 00m

Barcelona-El Prat

Thu 12/10

6:40 am-6:00 pm

2 stops19h 20m

$502

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Thu 12/3

3:40 pm-12:45 am

2 stops25h 05m

Barcelona-El Prat

Thu 12/10

6:40 am-6:00 pm

2 stops19h 20m

$504

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Sat 12/5

3:40 pm-1:40 pm

1 stop14h 00m

Barcelona-El Prat

Sun 12/20

2:40 pm-6:00 pm

1 stop35h 20m

$613

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Sat 12/5

3:40 pm-1:40 pm

1 stop14h 00m

Barcelona-El Prat

Sun 12/20

2:40 pm-6:00 pm

1 stop35h 20m

$614

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Tue 3/2

4:15 pm-9:55 pm

1 stop21h 40m

Bilbao

Tue 3/16

6:45 am-4:35 pm

1 stop16h 50m

$698

Quickest round-trip

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Mon 3/1

4:15 pm-5:50 pm

1 stop17h 35m

Madrid Barajas

Wed 3/31

5:55 am-3:40 pm

1 stop17h 45m

$700

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Tue 2/16

2:35 pm-7:20 pm

2 stops20h 45m

Madrid Barajas

Mon 2/22

12:55 am-9:47 am

1 stop16h 52m

$705

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Sat 4/17

11:21 am-9:00 am

2 stops37h 39m

Madrid Barajas

Tue 4/27

12:45 pm-8:14 pm

1 stop15h 29m

$705

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Sun 4/25

11:21 am-9:00 am

2 stops37h 39m

Madrid Barajas

Tue 5/4

12:45 pm-10:39 am

1 stop29h 54m

$705

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Sat 4/24

5:44 pm-8:20 am

1 stop30h 36m

Madrid Barajas

Tue 5/4

1:35 pm-11:59 pm

1 stop18h 24m

$710

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 April to fly from Denver, when ticket prices are also cheap, with an average price of $690.

How far in advance should I book a flight from Denver 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 $814 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 $679 on momondo.

Can stopping save me money on Denver to Spain flights?

You could potentially save up to 12% 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

Best Price Found	$291
Fastest flight time	12h 30m
Direct flights	None

The best one-way flight to Spain from Denver in the past 72 hours is $291. The best round-trip flight deal from Denver to Spain found on momondo in the last 72 hours is $502.

The fastest flight from Denver to Spain takes 12h 30m

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

Search flight deals

Frequently asked questions about flying from Denver to Spain

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 November 2026, there are 13 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
Virgin Atlantic	PriceFrom $327	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $371	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
Iberia	PriceFrom $440	Free Cancellation	Rating 7.0 3,231 reviews	Search Iberia flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,287 reviews	Search British Airways flights
American Airlines	PriceFrom $490	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
Air Canada	PriceFrom $495	Free Cancellation	Rating 7.1 11,876 reviews	Search Air Canada flights
United Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 10,476 reviews	Search United Airlines flights
Lufthansa	PriceFrom $513	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
Delta	PriceFrom $523	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
Aer Lingus	PriceFrom $561	Free Cancellation	Rating 7.3 1,883 reviews	Search Aer Lingus 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.