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Cheap flights from Denver to Bilbao from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Bilbao departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:15 pm - 5:55 pm
DEN
-
BIO
17h 40m
1 stop
Lufthansa Logo
6:50 am - 3:40 pm
BIO
-
DEN
16h 50m
1 stop
$557Lufthansa
Tue, Sep 8 - Sun, Sep 20
United Airlines Logo
11:25 am - 10:25 am
DEN
-
BIO
39h 00m
2 stops
United Airlines Logo
12:25 pm - 4:35 pm
BIO
-
DEN
35h 10m
1 stop
$764United Airlines
Sat, Oct 17 - Mon, Oct 26
Lufthansa Logo
4:40 pm - 5:00 pm
DEN
-
BIO
40h 20m
2 stops
Lufthansa Logo
12:25 pm - 4:35 pm
BIO
-
DEN
35h 10m
1 stop
$786Lufthansa
Sat, Oct 17 - Mon, Oct 26
Multiple Airlines Logo
11:25 am - 9:25 am
DEN
-
BIO
38h 00m
2 stops
Multiple Airlines Logo
6:50 pm - 4:35 pm
BIO
-
DEN
28h 45m
2 stops
$789Multiple Airlines
Sat, Oct 17 - Mon, Oct 26
Lufthansa Logo
3:45 pm - 10:25 am
DEN
-
BIO
34h 40m
2 stops
Lufthansa Logo
12:25 pm - 4:35 pm
BIO
-
DEN
35h 10m
1 stop
$790Lufthansa
Sat, Oct 17 - Mon, Oct 26
Lufthansa Logo
6:10 pm - 5:00 pm
DEN
-
BIO
38h 50m
2 stops
Lufthansa Logo
5:50 pm - 11:03 pm
BIO
-
DEN
36h 13m
2 stops
$791Lufthansa
Sat, Oct 17 - Mon, Oct 26
Lufthansa Logo
4:05 pm - 11:25 pm
DEN
-
BIO
23h 20m
1 stop
Lufthansa Logo
12:25 pm - 4:35 pm
BIO
-
DEN
35h 10m
1 stop
$794Lufthansa
Sat, Oct 17 - Mon, Oct 26
Multiple Airlines Logo
4:15 pm - 11:25 pm
DEN
-
BIO
23h 10m
1 stop
Multiple Airlines Logo
6:50 am - 11:08 pm
BIO
-
DEN
24h 18m
2 stops
$796Multiple Airlines
Tue, Sep 8 - Sun, Sep 20
Lufthansa Logo
4:15 pm - 11:25 pm
DEN
-
BIO
23h 10m
1 stop
Lufthansa Logo
6:50 am - 1:35 pm
BIO
-
DEN
14h 45m
1 stop
$797Lufthansa
Tue, Sep 8 - Sun, Sep 20
Lufthansa Logo
4:15 pm - 11:25 pm
DEN
-
BIO
23h 10m
1 stop
Lufthansa Logo
7:15 am - 1:45 pm
BIO
-
DEN
14h 30m
1 stop
$798Lufthansa
Wed, Sep 9 - Sat, Sep 19

Lufthansa flights from Denver to Bilbao

Our best Lufthansa deals on Denver to Bilbao flight tickets
Lufthansa
Sep 8
DEN4:15 pmDenver Intl
17h 40m
1 stop
BIO5:55 pmBilbao
Sep 20
BIO6:50 amBilbao
16h 50m
1 stop
DEN3:40 pmDenver Intl
$557
Lufthansa
Oct 17
DEN4:40 pmDenver Intl
40h 20m
2 stops
BIO5:00 pmBilbao
Oct 26
BIO12:25 pmBilbao
35h 10m
1 stop
DEN4:35 pmDenver Intl
$786
Lufthansa
Oct 17
DEN3:45 pmDenver Intl
34h 40m
2 stops
BIO10:25 amBilbao
Oct 26
BIO12:25 pmBilbao
35h 10m
1 stop
DEN4:35 pmDenver Intl
$790

United Airlines flights from Denver to Bilbao

Our best United Airlines deals on Denver to Bilbao flight tickets
United Airlines
Oct 17
DEN11:25 amDenver Intl
39h 00m
2 stops
BIO10:25 amBilbao
Oct 26
BIO12:25 pmBilbao
35h 10m
1 stop
DEN4:35 pmDenver Intl
$764
United Airlines
Oct 17
DEN4:05 pmDenver Intl
23h 20m
1 stop
BIO11:25 pmBilbao
Oct 26
BIO12:45 pmBilbao
35h 15m
1 stop
DEN5:00 pmDenver Intl
$799
United Airlines
Sep 8
DEN4:15 pmDenver Intl
23h 10m
1 stop
BIO11:25 pmBilbao
Sep 20
BIO6:50 amBilbao
14h 45m
1 stop
DEN1:35 pmDenver Intl
$808

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Bilbao 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, momondo users made 832,500 searches. Data last updated May 25, 2026.
Use the filters below to find and compare flights from Denver to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Tue 9/8

4:15 pm-5:55 pm

1 stop17h 40m

Bilbao

Sun 9/20

6:50 am-3:40 pm

1 stop16h 50m

$557

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

11:25 am-10:25 am

2 stops39h 00m

Bilbao

Mon 10/26

12:25 pm-4:35 pm

1 stop35h 10m

$764

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

4:40 pm-5:00 pm

2 stops40h 20m

Bilbao

Mon 10/26

12:25 pm-4:35 pm

1 stop35h 10m

$786

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

11:25 am-9:25 am

2 stops38h 00m

Bilbao

Mon 10/26

6:50 pm-4:35 pm

2 stops28h 45m

$789

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

3:45 pm-10:25 am

2 stops34h 40m

Bilbao

Mon 10/26

12:25 pm-4:35 pm

1 stop35h 10m

$790

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

6:10 pm-5:00 pm

2 stops38h 50m

Bilbao

Mon 10/26

5:50 pm-11:03 pm

2 stops36h 13m

$791

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Sat 10/17

4:05 pm-11:25 pm

1 stop23h 20m

Bilbao

Mon 10/26

12:25 pm-4:35 pm

1 stop35h 10m

$794

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Tue 9/8

4:15 pm-11:25 pm

1 stop23h 10m

Bilbao

Sun 9/20

6:50 am-11:08 pm

2 stops24h 18m

$796

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Tue 9/8

4:15 pm-11:25 pm

1 stop23h 10m

Bilbao

Sun 9/20

6:50 am-1:35 pm

1 stop14h 45m

$797

DenverBilbao

DEN - BIO

DENBIO

Denver Intl

Wed 9/9

4:15 pm-11:25 pm

1 stop23h 10m

Bilbao

Sat 9/19

7:15 am-1:45 pm

1 stop14h 30m

$798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bilbao from

How to get the cheapest flight ticket from Denver 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

What is the typical price of a round-trip flight between Denver and Bilbao?

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Denver 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 Denver to Bilbao during May average around $775.

When to book flights from Denver to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Bilbao (DEN to BIO) flight deals and tips

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

Fastest flight time

15h 30m

Direct flights

None
The fastest flight from Denver to Bilbao takes 15h 30m
There are no direct flights from Denver to Bilbao. There are no popular flight routes from Denver to Bilbao.
Search flight deals

Frequently asked questions about flying from Denver to Bilbao

  • How far is Denver Intl to Bilbao by plane?

    The straight-line distance from Denver Intl to Bilbao is 4920.4 mi. Flights usually cover this in 15h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to Bilbao Airport?

    Prices for flights from Denver Intl Airport to Bilbao Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Bilbao Airport?

  • How old do you have to be to fly from Denver Intl Airport to Bilbao Airport?

    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 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.

  • What is the most popular airline from Denver to Bilbao?

Best airlines flying from Denver to Bilbao

Compare and see reviews for airlines that fly from Denver to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $530Free CancellationRating
6.8
8,025 reviews
Search Lufthansa flights
United AirlinesPriceFrom $658Free CancellationRating
7.4
9,747 reviews
Search United Airlines flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

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

Finding the right flight to Bilbao from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bilbao quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Bilbao from Denver which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Denver to Bilbao flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Bilbao from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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