What is the cheapest airline that flies from Colorado to Bilbao?

Iberia is the most popular carrier operating from Colorado to Bilbao

When did momondo last update prices for flights from Colorado to Bilbao Airport?

Prices for flights from Colorado to Bilbao Airport refresh daily.

How many operators does momondo search for flights from Colorado to Bilbao Airport?

There are 2 operators available for flights from Colorado to Bilbao Airport as of September 2026.

How old do you have to be to fly from Colorado to Bilbao Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Bilbao Airport.

What documentation or ID do you need to fly to Bilbao Airport?

The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$322 Cheap Flights from Colorado to Bilbao in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Bilbao

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:39 am - 12:45 pmDEN Denver Intl-BIO Bilbao

18h 06m2 stops Dallas/Fort Worth Madrid Barajas

9:35 pm - 4:10 pmBIO Bilbao-DEN Denver Intl

50h 35m2 stops Madrid Barajas London Heathrow

$672Iberia

Mon, Oct 19 - Sat, Oct 24

4:15 pm - 11:10 pmDEN Denver Intl-BIO Bilbao

22h 55m1 stop Munich Franz Josef Strauss

11:45 am - 10:16 pmBIO Bilbao-DEN Denver Intl

18h 31m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$736Lufthansa

Mon, Jan 11 - Wed, Jan 20

3:55 pm - 10:50 pmDEN Denver Intl-BIO Bilbao

22h 55m1 stop Frankfurt am Main

7:30 am - 7:05 pmBIO Bilbao-DEN Denver Intl

19h 35m1 stop Munich Franz Josef Strauss

$742United Airlines

Sun, Dec 6 - Wed, Dec 9

4:15 pm - 11:10 pmDEN Denver Intl-BIO Bilbao

22h 55m1 stop Munich Franz Josef Strauss

11:45 am - 2:30 pmBIO Bilbao-DEN Denver Intl

34h 45m1 stop Munich Franz Josef Strauss

$742Lufthansa

Mon, Jan 11 - Wed, Jan 20

9:52 am - 11:40 amDEN Denver Intl-BIO Bilbao

17h 48m2 stops Chicago O'Hare Intl Frankfurt am Main

11:45 am - 7:05 pmBIO Bilbao-DEN Denver Intl

15h 20m1 stop Munich Franz Josef Strauss

$746United Airlines

Sun, Dec 6 - Wed, Dec 9

6:30 am - 11:30 amDEN Denver Intl-BIO Bilbao

21h 00m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

6:50 am - 10:17 pmBIO Bilbao-DEN Denver Intl

23h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$746Delta

Mon, Jan 11 - Wed, Jan 20

9:58 am - 11:40 amDEN Denver Intl-BIO Bilbao

17h 42m2 stops Toronto Pearson Intl Frankfurt am Main

11:45 am - 8:27 pmBIO Bilbao-DEN Denver Intl

40h 42m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl

$753Air Canada

Sun, Dec 6 - Wed, Dec 9

4:40 pm - 8:15 amDEN Denver Intl-BIO Bilbao

31h 35m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Barcelona-El Prat

7:40 pm - 7:00 pmBIO Bilbao-DEN Denver Intl

30h 20m3 stops Barcelona-El Prat Brussels Bruxelles-National Reykjavik Keflavik Intl

$756Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

9:52 am - 11:40 amDEN Denver Intl-BIO Bilbao

17h 48m2 stops Chicago O'Hare Intl Frankfurt am Main

7:30 am - 6:10 pmBIO Bilbao-DEN Denver Intl

18h 40m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$757United Airlines

Sun, Dec 6 - Wed, Dec 9

4:40 pm - 5:55 pmDEN Denver Intl-BIO Bilbao

17h 15m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

7:30 am - 10:44 pmBIO Bilbao-DEN Denver Intl

22h 14m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$793Lufthansa

Wed, Oct 21 - Wed, Oct 28

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KLM flights from Colorado to Bilbao

Our best KLM deals on Colorado to Bilbao flight tickets

KLM

Oct 21

DEN4:18 pmDenver Intl

16h 12m

2 stops

BIO4:30 pmBilbao

Feb 28

BIO8:30 amBilbao

19h 53m

2 stops

DEN8:23 pmDenver Intl

$835

KLM

Sep 16

DEN5:40 pmDenver Intl

20h 20m

1 stop

BIO10:00 pmBilbao

Sep 30

BIO7:10 amBilbao

16h 30m

1 stop

DEN3:40 pmDenver Intl

$931

KLM

Sep 21

DEN5:40 pmDenver Intl

20h 20m

1 stop

BIO10:00 pmBilbao

Sep 27

BIO7:10 amBilbao

18h 23m

2 stops

DEN5:33 pmDenver Intl

$956

Delta flights from Colorado to Bilbao

Our best Delta deals on Colorado to Bilbao flight tickets

Delta

Oct 12

DEN6:00 amDenver Intl

19h 50m

2 stops

BIO9:50 amBilbao

Oct 31

BIO7:10 amBilbao

17h 22m

2 stops

DEN5:32 pmDenver Intl

$858

Delta

Sep 18

DEN6:35 amDenver Intl

19h 15m

2 stops

BIO9:50 amBilbao

Sep 25

BIO6:45 amBilbao

16h 39m

2 stops

DEN3:24 pmDenver Intl

$953

Delta

Sep 22

DEN6:35 amDenver Intl

19h 15m

2 stops

BIO9:50 amBilbao

Sep 28

BIO7:10 amBilbao

21h 05m

2 stops

DEN8:15 pmDenver Intl

$960

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Mon 10/19

10:39 am-12:45 pm

2 stops18h 06m

Bilbao

Sat 10/24

9:35 pm-4:10 pm

2 stops50h 35m

$672

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Mon 1/11

4:15 pm-11:10 pm

1 stop22h 55m

Bilbao

Wed 1/20

11:45 am-10:16 pm

2 stops18h 31m

$736

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Sun 12/6

3:55 pm-10:50 pm

1 stop22h 55m

Bilbao

Wed 12/9

7:30 am-7:05 pm

1 stop19h 35m

$742

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Mon 1/11

4:15 pm-11:10 pm

1 stop22h 55m

Bilbao

Wed 1/20

11:45 am-2:30 pm

1 stop34h 45m

$742

Quickest round-trip

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Sun 12/6

9:52 am-11:40 am

2 stops17h 48m

Bilbao

Wed 12/9

11:45 am-7:05 pm

1 stop15h 20m

$746

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Mon 1/11

6:30 am-11:30 am

2 stops21h 00m

Bilbao

Wed 1/20

6:50 am-10:17 pm

2 stops23h 27m

$746

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Sun 12/6

9:58 am-11:40 am

2 stops17h 42m

Bilbao

Wed 12/9

11:45 am-8:27 pm

2 stops40h 42m

$753

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Wed 10/21

4:40 pm-8:15 am

3 stops31h 35m

Bilbao

Wed 10/28

7:40 pm-7:00 pm

3 stops30h 20m

$756

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Sun 12/6

9:52 am-11:40 am

2 stops17h 48m

Bilbao

Wed 12/9

7:30 am-6:10 pm

2 stops18h 40m

$757

DenverBilbao

DEN Denver Intl - BIO Bilbao

DENBIO

Denver Intl

Wed 10/21

4:40 pm-5:55 pm

2 stops17h 15m

Bilbao

Wed 10/28

7:30 am-10:44 pm

2 stops22h 14m

$793

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 Colorado to Bilbao

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 Bilbao?

The cheapest month to fly to Bilbao from Colorado is in February. Flight prices, which tend to average around $573, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in February, then May is your next best option. Flight prices from Colorado to Bilbao during May average around $777.

Can stopping save me money on Colorado to Bilbao flights?

You could potentially save up to 67% on your flight if you consider stops on a Colorado to Bilbao flight.

Cheap Colorado to Bilbao flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Bilbao

Best Price Found	$322
Fastest flight time	19h 00m
Direct flights	None

The best one-way flight to Bilbao from Colorado in the past 72 hours is $322. The best round-trip flight deal from Colorado to Bilbao found on momondo in the last 72 hours is $672.

The fastest flight from Colorado to Bilbao takes 19h 00m

There are no direct flights from Colorado to Bilbao. There are no popular flight routes from Colorado to Bilbao.

Search flight deals

Frequently asked questions about flying from Colorado to Bilbao

When did momondo last update prices for flights from Colorado to Bilbao Airport?
Prices for flights from Colorado to Bilbao Airport refresh daily.
How many operators does momondo search for flights from Colorado to Bilbao Airport?
There are 2 operators available for flights from Colorado to Bilbao Airport as of September 2026.
How old do you have to be to fly from Colorado to Bilbao Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Bilbao

Compare and see reviews for airlines that fly from Colorado to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $530	Free Cancellation	Rating 6.8 8,216 reviews		Search Lufthansa flights
United Airlines	PriceFrom $658	Free Cancellation	Rating 7.4 10,191 reviews		Search United Airlines flights

Getxo

Laredo

Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Bilbao?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado to Bilbao. momondo saves you time and could save you money on your trip.

Can I find flights from Colorado to Bilbao with flexible booking policies on momondo?

Yes. All flights to Bilbao from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to Bilbao?

momondo provides multiple filters to help you find the best flight to Bilbao from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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Cheap flights from Colorado to Bilbao from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Bilbao departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Colorado to Bilbao

Our best KLM deals on Colorado to Bilbao flight tickets

Delta flights from Colorado to Bilbao

Our best Delta deals on Colorado to Bilbao flight tickets

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How to get the cheapest flight ticket from Colorado to Bilbao

What is the cheapest month to fly to Bilbao?

Can stopping save me money on Colorado to Bilbao flights?

What is the cheapest airline that flies from Colorado to Bilbao?

Cheap Colorado to Bilbao flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Colorado to Bilbao

Best airlines flying from Colorado to Bilbao

Compare and see reviews for airlines that fly from Colorado to Bilbao with momondo

Traveling to a place near Bilbao?

Why use momondo?

An easier way to manage your Bilbao 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

Airports servicing Basque Country

Fly your favorite airline to Bilbao

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bilbao

List of cabin classes available on flights landing in Bilbao. Availability may vary depending on flight origin and airline.

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

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