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$639+ Cheap flights from Bilbao (BIO) to Houston

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — HOU
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
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Cheap flight deals from Bilbao to Houston

Cheapest flights from Bilbao to Houston
Explore the most affordable flight options available from Bilbao to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This KLM deal was found by Cheapflights users on 6/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:45 am
BIO
-
IAH
1 stop13h 30m
KLM
Thu 9/173:55 pm
IAH
-
BIO
1 stop18h 35m
KLM
Deal found 6/19$814
This KLM deal was found by Cheapflights users on 6/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:15 pm
BIO
-
IAH
1 stop27h 00m
KLM
Wed 10/143:55 pm
IAH
-
BIO
1 stop34h 55m
KLM
Deal found 6/19$815
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:45 am
BIO
-
HOU
2 stops21h 58m
Delta
Wed 10/146:00 am
HOU
-
BIO
2 stops20h 50m
Delta
Deal found 6/19$819
This KLM deal was found by Cheapflights users on 6/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:45 am
BIO
-
IAH
1 stop13h 30m
KLM
Thu 10/153:20 pm
IAH
-
BIO
1 stop12h 55m
KLM
Deal found 6/19$819
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:45 am
BIO
-
HOU
2 stops16h 46m
Delta
Thu 9/175:26 pm
HOU
-
BIO
2 stops16h 04m
Delta
Deal found 6/19$824
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:15 am
BIO
-
IAH
2 stops18h 18m
American Airlines
Thu 9/177:00 am
IAH
-
BIO
2 stops18h 30m
American Airlines
Deal found 6/19$859
This Iberia deal was found by Cheapflights users on 6/19. 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.
Wed 9/309:15 am
BIO
-
IAH
2 stops19h 44m
Iberia
Sun 10/410:46 am
IAH
-
BIO
2 stops18h 59m
Iberia
Deal found 6/19$887
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 9/306:50 am
BIO
-
IAH
1 stop18h 00m
United Airlines
Sun 10/43:34 pm
IAH
-
BIO
2 stops19h 21m
United Airlines
Deal found 6/19$904
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:50 am
BIO
-
IAH
2 stops18h 38m
Delta
Sun 1/104:05 pm
IAH
-
BIO
1 stop18h 20m
Delta
Deal found 6/15$908
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:15 am
BIO
-
HOU
2 stops17h 33m
American Airlines
Thu 9/171:56 pm
HOU
-
BIO
2 stops15h 49m
American Airlines
Deal found 6/19$911
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:45 am
BIO
-
HOU
2 stops22h 06m
Delta
Mon 7/136:00 am
HOU
-
BIO
2 stops20h 50m
Delta
Deal found 6/15$1,046
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:45 am
BIO
-
HOU
2 stops21h 58m
Delta
Wed 7/86:00 am
HOU
-
BIO
2 stops20h 50m
Delta
Deal found 6/17$1,048

Find flight deals from Bilbao to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 20, 2026.

Round-trip from

$814
(KLM)

One-way from

$639
(Kiwi.com)

Popular in

December

Cheapest in

February
From Bilbao to Houston
Search Deals
One-way flight from Bilbao to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to Houston 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 June 20, 2026.
Use the filters below to find and compare flights from Bilbao to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Wed 9/9

6:45 am-1:15 pm

1 stop13h 30m

Houston George Bush Intcntl

Thu 9/17

3:55 pm-5:30 pm

1 stop18h 35m

$814

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Tue 10/6

5:15 pm-1:15 pm

1 stop27h 00m

Houston George Bush Intcntl

Wed 10/14

3:55 pm-9:50 am

1 stop34h 55m

$815

BilbaoHouston

BIO - HOU

BIOHOU

Bilbao

Wed 10/7

6:45 am-9:43 pm

2 stops21h 58m

Houston Hobby

Thu 10/15

6:00 am-9:50 am

2 stops20h 50m

$819

BilbaoHouston

BIO - HOU

BIOHOU

Bilbao

Tue 10/6

6:45 am-9:43 pm

2 stops21h 58m

Houston Hobby

Wed 10/14

6:00 am-9:50 am

2 stops20h 50m

$819
Quickest round-trip

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Wed 10/7

6:45 am-1:15 pm

1 stop13h 30m

Houston George Bush Intcntl

Thu 10/15

3:20 pm-11:15 am

1 stop12h 55m

$819

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Tue 10/6

6:45 am-9:10 pm

2 stops21h 25m

Houston George Bush Intcntl

Wed 10/14

5:55 am-9:50 am

2 stops20h 55m

$819

BilbaoHouston

BIO - HOU

BIOHOU

Bilbao

Wed 9/9

6:45 am-4:31 pm

2 stops16h 46m

Houston Hobby

Thu 9/17

5:26 pm-4:30 pm

2 stops16h 04m

$824

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Wed 9/30

6:50 am-5:50 pm

1 stop18h 00m

Houston George Bush Intcntl

Sun 10/4

3:34 pm-5:55 pm

2 stops19h 21m

$904

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Thu 12/17

6:50 am-6:28 pm

2 stops18h 38m

Houston George Bush Intcntl

Sun 1/10

4:05 pm-5:25 pm

1 stop18h 20m

$908

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Fri 9/4

9:15 am-11:58 pm

2 stops21h 43m

Houston George Bush Intcntl

Sun 9/6

8:19 am-4:55 pm

2 stops25h 36m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Bilbao to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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 Houston

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

Currently, February is the cheapest month in which you can book a flight from Bilbao to Houston (average of $666). Flying from Bilbao to Houston in July is currently the most expensive (average of $1,117). 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.

Related info for your journey

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

    If you book a flight to Houston 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. There are 0 flights from Bilbao to Houston per day from 0 different airlines.

  • How long is the flight from Bilbao to Houston?

    There are many flights that can get you from Bilbao to Houston in 13h 30m. Fly via KLM, Delta, or United Airlines to get the fastest option. Airlines will cover a distance of 4942 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Bilbao to Houston (average of $666). Flying from Bilbao to Houston in July is currently the most expensive (average of $1,117). 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

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