HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$188+ Cheap flights from Denver (DEN) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MAD
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Spain

Cheapest flights from Denver to Spain
Explore the most affordable flight options available from Denver to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This Air Canada deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:45 am
DEN
-
BCN
2 stops16h 15m
Air Canada
Thu 10/156:40 am
BCN
-
DEN
2 stops18h 30m
Air Canada
Deal found 1/22$461
This British Airways deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:36 pm
DEN
-
BCN
1 stop32h 14m
British Airways
Wed 11/2511:15 am
BCN
-
DEN
2 stops18h 49m
British Airways
Deal found 1/22$462
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/39:59 am
DEN
-
BCN
2 stops17h 06m
United Airlines
Wed 2/1111:00 am
BCN
-
DEN
2 stops20h 42m
United Airlines
Deal found 1/22$463
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:10 am
DEN
-
BCN
1 stop19h 10m
United Airlines
Tue 3/311:50 pm
BCN
-
DEN
2 stops27h 05m
United Airlines
Deal found 1/22$464
This Icelandair deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:40 pm
DEN
-
BCN
1 stop14h 05m
Icelandair
Wed 5/133:45 pm
BCN
-
DEN
1 stop35h 15m
Icelandair
Deal found 1/23$468
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:59 pm
DEN
-
BCN
1 stop25h 21m
United Airlines
Tue 3/311:50 pm
BCN
-
DEN
2 stops27h 05m
United Airlines
Deal found 1/22$470
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:21 pm
DEN
-
BCN
2 stops15h 04m
British Airways
Thu 2/2610:40 am
BCN
-
DEN
1 stop20h 00m
British Airways
Deal found 1/22$472
This Cheapflightsfares deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:45 pm
DEN
-
BIO
1 stop21h 35m
Lufthansa
Tue 2/246:45 am
BIO
-
DEN
1 stop17h 15m
Lufthansa
Deal found 1/22$473
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:30 am
DEN
-
VLC
2 stops28h 00m
British Airways
Wed 10/78:20 pm
VLC
-
DEN
1 stop28h 10m
British Airways
Deal found 1/22$475
This Air Canada deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:45 am
DEN
-
BCN
2 stops18h 15m
Air Canada
Tue 2/101:35 pm
BCN
-
DEN
2 stops34h 55m
Air Canada
Deal found 1/23$477
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:25 pm
DEN
-
AGP
1 stop34h 05m
British Airways
Thu 3/123:20 pm
AGP
-
DEN
1 stop32h 10m
British Airways
Deal found 1/22$479
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:40 pm
DEN
-
BCN
1 stop17h 50m
British Airways
Sun 10/118:40 pm
BCN
-
DEN
1 stop27h 50m
British Airways
Deal found 1/21$481

Find flight deals from Denver to Spain

Keep the following information in mind while searching for Denver to Spain flight deals. Data was last updated January 24, 2026.

Round-trip from

$463
(United Airlines)

One-way from

$188
(oojo)

Popular in

June

Cheapest in

November

Average price

$539
From Denver Intl to Spain
Search Deals
One-way flight from Denver Intl to Spain
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($397 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2026.
Use the filters below to find and compare flights from Denver to Spain that are best for you.

Fly from

Denver

Fly to

Spain

Route

Depart

Return

Price

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Tue 2/17

6:00 am-12:50 pm

2 stops22h 50m

Bilbao

Tue 2/24

6:45 am-10:05 pm

2 stops23h 20m

$494

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Sun 5/3

11:59 pm-8:05 am

1 stop24h 06m

Madrid Barajas

Fri 5/15

12:45 pm-10:34 am

1 stop29h 49m

$503

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Mon 3/16

6:40 am-7:00 am

1 stop17h 20m

Barcelona-El Prat

Thu 3/19

9:30 am-7:36 pm

1 stop17h 06m

$505

DenverBarcelona

DEN - BCN

DENBCN

Denver Intl

Tue 4/21

10:19 am-3:35 pm

2 stops21h 16m

Barcelona-El Prat

Wed 4/29

11:00 am-10:04 pm

1 stop19h 04m

$509

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Sun 3/29

3:45 pm-7:50 pm

1 stop20h 05m

Madrid Barajas

Thu 4/9

10:50 am-12:44 am

2 stops21h 54m

$514

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Thu 4/9

12:49 pm-5:30 pm

2 stops20h 41m

Madrid Barajas

Tue 5/5

1:00 pm-4:18 pm

1 stop35h 18m

$516

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Tue 4/7

12:53 pm-5:30 pm

2 stops20h 37m

Madrid Barajas

Mon 5/4

11:35 am-11:59 pm

1 stop20h 24m

$516

DenverMálaga

DEN - AGP

DENAGP

Denver Intl

Mon 2/23

12:21 pm-4:50 pm

2 stops20h 29m

Malaga

Thu 3/12

3:20 pm-8:05 pm

2 stops35h 45m

$517

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Tue 4/7

5:44 pm-1:30 pm

1 stop11h 46m

Madrid Barajas

Sat 5/2

1:35 pm-10:40 pm

1 stop17h 05m

$519

DenverMadrid

DEN - MAD

DENMAD

Denver Intl

Mon 4/6

12:19 pm-1:30 pm

1 stop17h 11m

Madrid Barajas

Sat 5/2

1:35 pm-11:59 pm

1 stop18h 24m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Denver to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Spain

What is the cheapest month to book a flight from Denver to Spain?

Currently, November is the cheapest month in which you can book a flight from Denver to Spain (average of $369). Flying from Denver to Spain in June is currently the most expensive (average of $821). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from Denver to Spain delayed?

About 0% of weekly flights between Denver and Spain have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Denver to Spain flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated January 24, 2026.
Read through reviews of airlines operating flights from Denver to Spain, such as United Airlines, American Airlines, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,194 reviews
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,193 reviews
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,098 reviews
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,744 reviews
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,694 reviews
United Airlines
7.4
Good
9,194 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Denver to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Spain?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Spain. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How long is the flight from Denver to Spain?

    There are many flights that can get you from Denver to Spain in 17h 20m. Fly via United Airlines, KLM, or Delta to get the fastest option. Airlines will cover a distance of 5187 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to Spain one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $208. However, be on the lookout for offers from Delta and Lufthansa, as they are both options that can get you from Denver to Spain for a low price.

  • What are the most popular routes from Denver to Spain?

    The most popular route from Denver to Spain is Denver Intl - Barcelona-El Prat. You may also consider Denver Intl - Madrid Barajas or Denver Intl - Malaga.

  • Can I find deals for flights from Denver to Spain that include hotel bookings?

    Yes. In addition to deals on Denver to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Spain.

  • Can I find deals for business class flights from Denver to Spain?

    Yes. Cheapflights offers flight deals from Denver to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Spain?

    Currently, November is the cheapest month in which you can book a flight from Denver to Spain (average of $369). Flying from Denver to Spain in June is currently the most expensive (average of $821). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Spain

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Heathrow flights
Denver to Leonardo da Vinci/Fiumicino flights
Denver to Dublin flights
Denver to Charles de Gaulle flights
Denver to Gatwick flights
Denver to Frankfurt flights
Denver to London City flights
Denver to Orly flights
Denver to Barcelona-El Prat flights
Denver to Athens flights
Denver to Stansted flights
Denver to Lisbon flights
Denver to Malpensa flights
Denver to Madrid flights
Denver to Istanbul flights
Denver to Linate flights
Denver to Munich flights
Denver to Vicenza flights
Denver to Amsterdam flights
Denver to Keflavik Intl flights
Denver to Florence flights
Denver to Sabiha Gokcen flights
Denver to Zurich flights
Denver to Edinburgh flights
Denver to Geneva flights
Denver to Oslo Gardermoen flights
Denver to Luton flights
Denver to Naples flights
Denver to Porto flights
Denver to Glasgow Intl flights
Denver to Copenhagen flights
Denver to Arlanda flights
Denver to Berlin flights
Denver to Prague flights
Denver to Budapest flights
Denver to Bruxelles-National flights
Denver to Shannon flights
Denver to Bergamo flights
Denver to Catania flights
Denver to Bologna flights
Denver to Frederic Chopin flights
Denver to Vienna flights
Denver to Split flights
Denver to Tirana flights
Denver to Luqa flights
Denver to Málaga flights
Denver to Helsinki flights
Denver to Krakow flights

Top 10 airlines flying from Denver to Spain

Discover the top 10 airlines that operate flights from Denver to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$100Average$782FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$298Average$1,107FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$366Average$426FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$403Average$631FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$478Average$960FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$482Average$762FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$483Average$843FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$493Average$916FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$495Average$785FlexibilityNo cancel feeOn-time67%
DeltaCheapest$500Average$840FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.