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

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

What airlines fly to Spain?

United Airlines, Lufthansa and British Airways 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 September 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.

$281 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 - 1:15 pmDEN Denver Intl-BCN Barcelona-El Prat

13h 35m1 stop Reykjavik Keflavik Intl

12:25 pm - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

13h 35m1 stop Reykjavik Keflavik Intl

$524Icelandair

Sat, Feb 6 - Sat, Feb 13

3:40 pm - 1:15 pmDEN Denver Intl-BCN Barcelona-El Prat

13h 35m1 stop Reykjavik Keflavik Intl

12:25 pm - 6:00 pmBCN Barcelona-El Prat-DEN Denver Intl

13h 35m1 stop Reykjavik Keflavik Intl

$528Icelandair

Wed, Jan 13 - Tue, Jan 19

5:01 pm - 6:35 pmDEN Denver Intl-MAD Madrid Barajas

17h 34m1 stop London Heathrow

7:30 pm - 3:10 pmMAD Madrid Barajas-DEN Denver Intl

27h 40m1 stop London Heathrow

$545Iberia

Mon, Jan 4 - Mon, Jan 11

11:20 am - 9:35 amDEN Denver Intl-BCN Barcelona-El Prat

14h 15m1 stop Montreal Pierre Elliott Trudeau Intl

1:35 pm - 6:04 pmBCN Barcelona-El Prat-DEN Denver Intl

36h 29m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$549Air Canada

Wed, Jan 13 - Wed, Jan 27

11:20 am - 9:35 amDEN Denver Intl-BCN Barcelona-El Prat

14h 15m1 stop Montreal Pierre Elliott Trudeau Intl

1:35 pm - 8:27 pmBCN Barcelona-El Prat-DEN Denver Intl

14h 52m1 stop Montreal Pierre Elliott Trudeau Intl

$550Multiple Airlines

Wed, Jan 20 - Thu, Feb 4

11:20 am - 9:35 amDEN Denver Intl-BCN Barcelona-El Prat

14h 15m1 stop Montreal Pierre Elliott Trudeau Intl

1:35 pm - 8:27 pmBCN Barcelona-El Prat-DEN Denver Intl

14h 52m1 stop Montreal Pierre Elliott Trudeau Intl

$551Multiple Airlines

Wed, Jan 13 - Wed, Jan 27

7:45 am - 8:20 amDEN Denver Intl-BCN Barcelona-El Prat

16h 35m1 stop Newark

1:35 pm - 2:07 pmBCN Barcelona-El Prat-DEN Denver Intl

32h 32m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$560United Airlines

Wed, Mar 3 - Wed, Mar 10

11:59 pm - 9:00 amDEN Denver Intl-BCN Barcelona-El Prat

25h 01m1 stop Washington, D.C. Dulles Intl

1:35 pm - 1:49 pmBCN Barcelona-El Prat-DEN Denver Intl

32h 14m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$562United Airlines

Sun, Nov 22 - Thu, Dec 3

5:01 pm - 6:30 pmDEN Denver Intl-BCN Barcelona-El Prat

17h 29m1 stop London Heathrow

9:15 pm - 8:09 amBCN Barcelona-El Prat-DEN Denver Intl

18h 54m2 stops Madrid Barajas Dallas/Fort Worth

$563Iberia

Wed, Nov 11 - Mon, Nov 16

11:25 am - 8:00 amDEN Denver Intl-BCN Barcelona-El Prat

12h 35m1 stop Montreal Pierre Elliott Trudeau Intl

12:15 pm - 10:31 amBCN Barcelona-El Prat-DEN Denver Intl

30h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$567Air Canada

Tue, Sep 29 - Thu, Oct 15

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 am - 8:00 amDEN Denver Intl-BCN Barcelona-El Prat

14h 20m1 stop Montreal Pierre Elliott Trudeau Intl

1:15 pm - 8:17 pmBCN Barcelona-El Prat-DEN Denver Intl

15h 02m1 stop Toronto Pearson Intl

$572Air Canada

Sun, Sep 20 - Thu, Oct 8

11:25 am - 8:00 amDEN Denver Intl-BCN Barcelona-El Prat

12h 35m1 stop Montreal Pierre Elliott Trudeau Intl

1:15 pm - 8:17 pmBCN Barcelona-El Prat-DEN Denver Intl

15h 02m1 stop Toronto Pearson Intl

$572Air Canada

Mon, Sep 21 - Thu, Oct 8

6:00 am - 9:00 amDEN Denver Intl-BCN Barcelona-El Prat

19h 00m1 stop Newark

12:00 pm - 7:27 pmBCN Barcelona-El Prat-DEN Denver Intl

15h 27m1 stop Newark

$575United Airlines

Mon, Sep 21 - Wed, Oct 7

4:00 pm - 1:15 pmDEN Denver Intl-BCN Barcelona-El Prat

13h 15m1 stop Chicago O'Hare Intl

3:15 pm - 6:39 amBCN Barcelona-El Prat-DEN Denver Intl

23h 24m1 stop Chicago O'Hare Intl

$575United Airlines

Sun, Sep 20 - Thu, Oct 8

6:00 am - 12:50 pmDEN Denver Intl-BCN Barcelona-El Prat

22h 50m1 stop Atlanta Hartsfield-Jackson

11:00 am - 8:11 pmBCN Barcelona-El Prat-DEN Denver Intl

17h 11m1 stop Atlanta Hartsfield-Jackson

$575Delta

Sun, Sep 20 - Fri, Oct 9

7:15 am - 12:50 pmDEN Denver Intl-BCN Barcelona-El Prat

21h 35m1 stop Atlanta Hartsfield-Jackson

1:20 pm - 11:55 pmBCN Barcelona-El Prat-DEN Denver Intl

18h 35m1 stop Seattle/Tacoma Intl

$575Delta

Sun, Sep 20 - Wed, Oct 7

1:17 pm - 10:10 amDEN Denver Intl-BCN Barcelona-El Prat

12h 53m1 stop Dallas/Fort Worth

12:50 pm - 10:26 pmBCN Barcelona-El Prat-DEN Denver Intl

17h 36m1 stop Philadelphia

$581British Airways

Mon, Sep 21 - Tue, Oct 6

6:05 pm - 9:20 amDEN Denver Intl-BCN Barcelona-El Prat

31h 15m1 stop Toronto Pearson Intl

8:00 pm - 7:45 pmBCN Barcelona-El Prat-DEN Denver Intl

31h 45m2 stops Zurich Chicago O'Hare Intl

$605Multiple Airlines

Sat, Sep 19 - Mon, Sep 28

1:25 pm - 5:50 pmDEN Denver Intl-BCN Barcelona-El Prat

44h 25m2 stops Chicago O'Hare Intl Zurich

6:35 pm - 9:44 pmBCN Barcelona-El Prat-DEN Denver Intl

35h 09m2 stops Zurich Chicago O'Hare Intl

$622SWISS

Sat, Sep 19 - Mon, Sep 28

10:46 am - 10:55 amDEN Denver Intl-BCN Barcelona-El Prat

16h 09m1 stop Chicago O'Hare Intl

9:20 pm - 5:19 pmBCN Barcelona-El Prat-DEN Denver Intl

27h 59m2 stops London Heathrow Chicago O'Hare Intl

$629British Airways

Mon, Sep 21 - Mon, Oct 5

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Iberia flights from Denver to Spain

Our best Iberia deals on Denver to Spain flight tickets

Iberia

Jan 4

DEN5:01 pmDenver Intl

17h 34m

1 stop

MAD6:35 pmMadrid Barajas

Jan 11

MAD7:30 pmMadrid Barajas

27h 40m

1 stop

DEN3:10 pmDenver Intl

$545

Iberia

Nov 11

DEN5:01 pmDenver Intl

17h 29m

1 stop

BCN6:30 pmBarcelona-El Prat

Nov 16

BCN9:15 pmBarcelona-El Prat

18h 54m

2 stops

DEN8:09 amDenver Intl

$563

Iberia

Nov 2

DEN12:24 pmDenver Intl

15h 21m

2 stops

BCN11:45 amBarcelona-El Prat

Nov 18

BCN9:15 amBarcelona-El Prat

21h 39m

2 stops

DEN10:54 pmDenver Intl

$597

JetBlue flights from Denver to Spain

Our best JetBlue deals on Denver to Spain flight tickets

JetBlue

Oct 19

DEN12:43 pmDenver Intl

14h 47m

1 stop

MAD11:30 amMadrid Barajas

Oct 23

MAD1:30 pmMadrid Barajas

30h 12m

1 stop

DEN11:42 amDenver Intl

$745

JetBlue

Oct 17

DEN2:00 pmDenver Intl

13h 30m

1 stop

MAD11:30 amMadrid Barajas

Oct 19

MAD1:30 pmMadrid Barajas

30h 12m

1 stop

DEN11:42 amDenver Intl

$784

JetBlue

Oct 10

DEN2:00 pmDenver Intl

13h 30m

1 stop

MAD11:30 amMadrid Barajas

Oct 19

MAD1:30 pmMadrid Barajas

30h 12m

1 stop

DEN11:42 amDenver Intl

$785

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Sat 2/6

3:40 pm-1:15 pm

1 stop13h 35m

Barcelona-El Prat

Sat 2/13

12:25 pm-6:00 pm

1 stop13h 35m

$524

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 1/13

3:40 pm-1:15 pm

1 stop13h 35m

Barcelona-El Prat

Tue 1/19

12:25 pm-6:00 pm

1 stop13h 35m

$528

DenverMadrid

DEN Denver Intl - MAD Madrid Barajas

DENMAD

Denver Intl

Mon 1/4

5:01 pm-6:35 pm

1 stop17h 34m

Madrid Barajas

Mon 1/11

7:30 pm-3:10 pm

1 stop27h 40m

$545

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 1/13

11:20 am-9:35 am

1 stop14h 15m

Barcelona-El Prat

Wed 1/27

1:35 pm-6:04 pm

2 stops36h 29m

$549

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 1/20

11:20 am-9:35 am

1 stop14h 15m

Barcelona-El Prat

Thu 2/4

1:35 pm-8:27 pm

1 stop14h 52m

$550

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 1/13

11:20 am-9:35 am

1 stop14h 15m

Barcelona-El Prat

Wed 1/27

1:35 pm-8:27 pm

1 stop14h 52m

$551

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 3/3

7:45 am-8:20 am

1 stop16h 35m

Barcelona-El Prat

Wed 3/10

1:35 pm-2:07 pm

2 stops32h 32m

$560

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Sun 11/22

11:59 pm-9:00 am

1 stop25h 01m

Barcelona-El Prat

Thu 12/3

1:35 pm-1:49 pm

2 stops32h 14m

$562

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Wed 11/11

5:01 pm-6:30 pm

1 stop17h 29m

Barcelona-El Prat

Mon 11/16

9:15 pm-8:09 am

2 stops18h 54m

$563

DenverBarcelona

DEN Denver Intl - BCN Barcelona-El Prat

DENBCN

Denver Intl

Tue 9/29

11:25 am-8:00 am

1 stop12h 35m

Barcelona-El Prat

Thu 10/15

12:15 pm-10:31 am

1 stop30h 16m

$567

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 $668.

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 $801 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 15% 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	$281
Fastest flight time	12h 06m
Direct flights	None

The best one-way flight to Spain from Denver in the past 72 hours is $281. The best round-trip flight deal from Denver to Spain found on momondo in the last 72 hours is $524.

The fastest flight from Denver to Spain takes 12h 06m

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 September 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 7.4 694 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $371	Free Cancellation	Rating 6.9 743 reviews	Search Icelandair flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.8 8,569 reviews	Search Delta flights
Iberia	PriceFrom $440	Free Cancellation	Rating 7.0 3,246 reviews	Search Iberia flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,220 reviews	Search British Airways flights
Air Canada	PriceFrom $483	Free Cancellation	Rating 7.1 11,627 reviews	Search Air Canada flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 12,053 reviews	Search American Airlines flights
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 10,212 reviews	Search United Airlines flights
Lufthansa	PriceFrom $502	Free Cancellation	Rating 6.8 8,221 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $561	Free Cancellation	Rating 7.3 1,758 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.