HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$484+ Cheap flights from Bilbao (BIO) to Colorado

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — DEN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to Colorado 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 Bilbao to Colorado

Keep the following information in mind while searching for Bilbao to Colorado flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$725
(Finnair)

One-way from

$484
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$863
From Bilbao to Colorado
Search Deals
One-way flight from Bilbao to Colorado
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Bilbao to Colorado

Cheapest flights from Bilbao to Colorado
Explore the most affordable flight options available from Bilbao to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Finnair deal was found by Cheapflights users on 9/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:45 amBIO - DEN
2 stops21h 42mMultiple Airlines
lun. 10/2712:40 pmDEN - BIO
2 stops17h 10mMultiple Airlines
Deal found 9/14$725
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:15 amBIO - DEN
2 stops21h 07mIberia
lun. 11/175:25 pmDEN - BIO
2 stops31h 05mIberia
Deal found 9/14$747
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/79:15 amBIO - DEN
2 stops20h 50mIberia
lun. 10/204:44 pmDEN - BIO
2 stops16h 11mIberia
Deal found 9/14$749
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:00 amBIO - DEN
2 stops17h 42mIberia
mar. 10/215:28 pmDEN - BIO
2 stops17h 22mIberia
Deal found 9/14$772
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 11/136:45 amBIO - DEN
1 stop17h 15mUnited Airlines
lun. 11/178:20 pmDEN - BIO
1 stop18h 45mUnited Airlines
Deal found 9/14$784
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:45 amBIO - DEN
1 stop14h 50mUnited Airlines
lun. 10/279:20 pmDEN - BIO
1 stop18h 45mUnited Airlines
Deal found 9/14$785
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/232:10 pmBIO - DEN
2 stops17h 20mLufthansa
lun. 10/279:20 pmDEN - BIO
1 stop18h 45mLufthansa
Deal found 9/14$789
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/37:15 amBIO - DEN
1 stop14h 30mLufthansa
lun. 10/135:59 pmDEN - BIO
1 stop16h 46mLufthansa
Deal found 9/15$790
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:15 amBIO - DEN
1 stop14h 30mUnited Airlines
mar. 10/212:00 pmDEN - BIO
2 stops20h 20mUnited Airlines
Deal found 9/14$796
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/73:30 pmBIO - DEN
1 stop30h 15mLufthansa
lun. 10/205:59 pmDEN - BIO
1 stop16h 46mLufthansa
Deal found 9/14$801
This Iberia deal was found by Cheapflights users on 9/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:00 amBIO - DEN
2 stops17h 47mIberia
mar. 10/1410:42 amDEN - BIO
2 stops18h 03mIberia
Deal found 9/15$805

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to Colorado 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Bilbao to Colorado that are best for you.

Fly from

Bilbao

Fly to

Colorado

Route

Depart

Return

Price

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

jue. 10/23

6:45 am-8:27 pm

2 stops21h 42m

Denver Intl

lun. 10/27

12:40 pm-12:50 pm

2 stops17h 10m

$725

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

jue. 11/13

9:15 am-10:22 pm

2 stops21h 07m

Denver Intl

lun. 11/17

5:25 pm-8:30 am

2 stops31h 05m

$747

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

mar. 10/7

9:15 am-10:05 pm

2 stops20h 50m

Denver Intl

lun. 10/20

4:44 pm-4:55 pm

2 stops16h 11m

$749

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

mié. 10/8

7:00 am-4:42 pm

2 stops17h 42m

Denver Intl

mar. 10/21

5:28 pm-6:50 pm

2 stops17h 22m

$772

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

jue. 10/23

6:45 am-1:35 pm

1 stop14h 50m

Denver Intl

lun. 10/27

11:59 pm-4:40 pm

2 stops33h 41m

$784

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

jue. 11/13

6:45 am-4:00 pm

1 stop17h 15m

Denver Intl

lun. 11/17

4:20 pm-11:05 pm

1 stop22h 45m

$784

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

jue. 10/23

6:45 am-3:35 pm

1 stop16h 50m

Denver Intl

lun. 10/27

6:45 pm-4:40 pm

1 stop14h 55m

$789

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

dom. 9/21

7:45 pm-4:00 am

3 stops40h 15m

$484

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

mar. 9/23

1:55 pm-1:04 pm

3 stops55h 09m

$500

BilbaoDenver

BIO - DEN

BIODEN

Bilbao

lun. 9/22

6:55 am-10:44 pm

3 stops23h 49m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 results
1
2

Best time to book a flight from Bilbao to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Bilbao 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 Bilbao to Colorado

What is the cheapest month to book a flight from Bilbao to Colorado?

Currently, October is the cheapest month in which you can book a flight from Bilbao to Colorado (average of $197). Flying from Bilbao to Colorado in March is currently the most expensive (average of $278). 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.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated septiembre 15, 2025.
Read reviews from past customers who have flown United Airlines and Lufthansa from Bilbao to Colorado. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to Colorado. 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 Bilbao to Colorado?

    If you book a flight to Colorado from Bilbao, you will be flying from Bilbao, which is the city’s only airport. Bilbao (BIO) is located 3.0 mi from the center of Bilbao.

  • How long is the flight from Bilbao to Colorado?

    A quick flight from Bilbao to Colorado can take about 21h 07m. Iberia provides one of the quickest options available for as low as $747. Bilbao and Colorado are separated by a distance of 4902 mi.

  • Can I find deals for flights from Bilbao to Colorado that include hotel bookings?

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

  • How can I find direct flights from Bilbao to Colorado?

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

  • Can I find deals for business class flights from Bilbao to Colorado?

    Yes. Cheapflights offers flight deals from Bilbao to Colorado 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 Bilbao to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Bilbao to Colorado (average of $197). Flying from Bilbao to Colorado in March is currently the most expensive (average of $278). 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 Bilbao to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Bilbao to John F Kennedy Intl flights
Bilbao to Newark flights
Bilbao to Miami flights
Bilbao to San Francisco flights
Bilbao to West Palm Beach flights
Bilbao to Fort Lauderdale flights
Bilbao to Dallas/Fort Worth flights
San Sebastian to Los Angeles flights
Bilbao to Boston flights
Bilbao to Baltimore flights
Bilbao to O'Hare Intl flights
Bilbao to Orlando flights
Bilbao to Dulles Intl flights
Bilbao to Atlanta flights
Bilbao to Denver flights
Bilbao to Hobby flights
Bilbao to Los Angeles flights
Bilbao to Austin flights
San Sebastian to John F Kennedy Intl flights
Bilbao to San Diego flights
Bilbao to Salt Lake City flights
San Sebastian to Boston flights
Bilbao to George Bush Intcntl flights
Bilbao to Seattle flights
Bilbao to Minneapolis flights
Bilbao to Honolulu flights
Bilbao to Las Vegas flights
San Sebastian to Miami flights
Bilbao to Sky Harbor Intl flights
Bilbao to New Orleans flights
Bilbao to Sacramento flights
Bilbao to Tampa flights
Bilbao to Kansas City flights
Bilbao to Oakland flights
Bilbao to San Jose flights
Bilbao to Boise flights
Bilbao to St. Louis flights
Bilbao to Pittsburgh flights
Bilbao to Reno flights
Bilbao to San Antonio flights

Top 2 airlines flying from Bilbao to Colorado

Discover the top 2 airlines that operate flights from Bilbao to Colorado. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$741Average$1,079FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$897Average$1,264FlexibilityNo cancel feeOn-time69%

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.