$594+ Cheap flights from Houston to Bilbao (BIO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Bilbao with Cheapflights
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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
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Cheapest
Best
Last-minute
Cheapest flights from Houston to BilbaoExplore the most affordable flight options available from Houston to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Houston to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
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.
Wed 11/1811:42 am -
2 stops24h 08m
Thu 11/265:40 pm -
2 stops27h 25m
Deal found 9/14![Iberia logo]()
$594
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:00 am -
2 stops23h 00m
Wed 9/307:15 am -
1 stop16h 25m
Deal found 9/12![Multiple Airlines logo]()
$598
This Gotogate deal was found by Cheapflights users on 9/12. 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.
Mon 9/2112:00 pm -
2 stops21h 00m
Wed 9/306:50 am -
2 stops22h 02m
Deal found 9/12![Air Canada logo]()
$599
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:00 am -
2 stops22h 50m
Mon 1/119:35 pm -
2 stops31h 28m
Deal found 9/15![British Airways logo]()
$607
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 9/214:40 pm -
1 stop23h 45m
Wed 9/307:15 am -
1 stop16h 25m
Deal found 9/12![United Airlines logo]()
$610
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 am -
2 stops21h 10m
Wed 10/76:45 am -
1 stop13h 35m
Deal found 9/15![Delta logo]()
$611
This Air France deal was found by Cheapflights users on 9/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:21 pm -
2 stops14h 29m
Wed 9/307:10 am -
1 stop13h 30m
Deal found 9/12![Air France logo]()
$612
This Expedia deal was found by Cheapflights users on 9/13. 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.
Mon 9/214:47 pm -
2 stops21h 03m
Wed 9/306:45 am -
2 stops19h 30m
Deal found 9/13![Iberia logo]()
$613
This KLM deal was found by Cheapflights users on 9/13. 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.
Mon 9/213:25 pm -
1 stop18h 05m
Wed 9/307:10 am -
1 stop13h 30m
Deal found 9/13![KLM logo]()
$625
This KLM deal was found by Cheapflights users on 9/12. 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 12/306:50 pm -
2 stops14h 40m
Sun 1/107:10 am -
2 stops21h 33m
Deal found 9/12![KLM logo]()
$689
This Gurufare deal was found by Cheapflights users on 9/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:03 pm -
2 stops33h 47m
Sun 1/105:35 pm -
2 stops36h 24m
Deal found 9/12![British Airways logo]()
$798
This Delta deal was found by Cheapflights users on 9/16. 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 12/306:50 pm -
2 stops14h 40m
Sun 1/107:10 am -
2 stops33h 39m
Deal found 9/16![Delta logo]()
$930
Best flights from Houston to BilbaoDiscover carefully curated flight deals from Houston to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Houston to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 am -
2 stops21h 10m
Wed 10/76:45 am -
1 stop13h 35m
Deal found 9/15![Delta logo]()
$611
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:32 am -
2 stops16h 48m
Sun 1/107:10 am -
2 stops22h 38m
Deal found 9/15![Multiple Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 12/314:10 pm -
1 stop23h 40m
Sun 1/106:45 am -
1 stop18h 30m
Deal found 9/12![United Airlines logo]()
$706
This KLM deal was found by Cheapflights users on 9/12. 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 12/307:10 pm -
1 stop20h 20m
Sun 1/106:10 pm -
1 stop29h 40m
Deal found 9/12![KLM logo]()
$735
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 1/14:35 pm -
1 stop23h 35m
Sun 1/106:45 am -
2 stops24h 07m
Deal found 9/13![United Airlines logo]()
$708
This KLM deal was found by Cheapflights users on 9/16. 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.
Thu 12/317:10 pm -
1 stop15h 15m
Mon 1/1112:15 pm -
2 stops18h 43m
Deal found 9/16![Multiple Airlines logo]()
$718
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:07 pm -
2 stops15h 43m
Thu 12/109:15 am -
2 stops21h 01m
Deal found 9/15![British Airways logo]()
$1,970
This Air France deal was found by Cheapflights users on 9/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:12 am -
2 stops15h 38m
Sat 10/1012:00 pm -
2 stops18h 03m
Deal found 9/12![Multiple Airlines logo]()
$4,073
This Air France deal was found by Cheapflights users on 9/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:12 am -
2 stops15h 38m
Fri 10/912:00 pm -
2 stops18h 03m
Deal found 9/11![Multiple Airlines logo]()
$16,002
Last-minute flights from Houston to BilbaoDiscover last-minute flight deals from Houston to Bilbao. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Bilbao. Data last updated September 16, 2026 and is based on user searches.
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:00 am -
2 stops23h 00m
Wed 9/307:15 am -
1 stop16h 25m
Deal found 9/12![Multiple Airlines logo]()
$598
This Gotogate deal was found by Cheapflights users on 9/12. 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.
Mon 9/2112:00 pm -
2 stops21h 00m
Wed 9/306:50 am -
2 stops22h 02m
Deal found 9/12![Air Canada logo]()
$599
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 9/214:40 pm -
1 stop23h 45m
Wed 9/307:15 am -
1 stop16h 25m
Deal found 9/12![United Airlines logo]()
$610
This Air France deal was found by Cheapflights users on 9/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:21 pm -
2 stops14h 29m
Wed 9/307:10 am -
1 stop13h 30m
Deal found 9/12![Air France logo]()
$612
This Expedia deal was found by Cheapflights users on 9/13. 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.
Mon 9/214:47 pm -
2 stops21h 03m
Wed 9/306:45 am -
2 stops19h 30m
Deal found 9/13![Iberia logo]()
$613
This KLM deal was found by Cheapflights users on 9/13. 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.
Mon 9/213:25 pm -
1 stop18h 05m
Wed 9/307:10 am -
1 stop13h 30m
Deal found 9/13![KLM logo]()
$625
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 am -
2 stops21h 10m
Wed 10/76:45 am -
1 stop13h 35m
Deal found 9/15![Delta logo]()
$611
This Air France deal was found by Cheapflights users on 9/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:12 am -
2 stops15h 38m
Sat 10/1012:00 pm -
2 stops18h 03m
Deal found 9/12![Multiple Airlines logo]()
$4,073
This Orbitz deal was found by Cheapflights users on 9/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:00 am -
2 stops18h 15m
Sun 10/186:50 am -
2 stops39h 47m
Deal found 9/12![Multiple Airlines logo]()
$795
Find flight deals from Houston to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Bilbao (BIO). 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 September 16, 2026.
Round-trip from | $594 (Expedia) |
|---|---|
Popular in | December |
Cheapest in | February |
Average price | $1,014 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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, Cheapflights users made 7,457,451 searches. Data last updated September 16, 2026.
Use the filters below to find and compare flights from Houston to Bilbao that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Mon 9/28
5:40 am-9:50 am
2 stops21h 10m
Bilbao
Wed 10/7
6:45 am-1:20 pm
1 stop13h 35m
$611
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Wed 12/30
11:32 am-11:20 am
2 stops16h 48m
Bilbao
Sun 1/10
7:10 am-10:48 pm
2 stops22h 38m
$678
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Thu 12/31
4:10 pm-10:50 pm
1 stop23h 40m
Bilbao
Sun 1/10
6:45 am-6:15 pm
1 stop18h 30m
$706
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Fri 1/1
4:35 pm-11:10 pm
1 stop23h 35m
Bilbao
Sun 1/10
6:45 am-11:52 pm
2 stops24h 07m
$708
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Thu 12/31
7:10 pm-5:25 pm
1 stop15h 15m
Bilbao
Mon 1/11
12:15 pm-11:58 pm
2 stops18h 43m
$718
HoustonBilbao
IAH Houston George Bush Intcntl - BIO Bilbao
IAHBIO
Houston George Bush Intcntl
Wed 12/30
7:10 pm-10:30 pm
1 stop20h 20m
Bilbao
Sun 1/10
6:10 pm-4:50 pm
1 stop29h 40m
$735
HoustonBilbao
HOU Houston Hobby - BIO Bilbao
HOUBIO
Houston Hobby
Sun 12/6
2:07 pm-12:50 pm
2 stops15h 43m
Bilbao
Thu 12/10
9:15 am-11:16 pm
2 stops21h 01m
$1,970
Quickest round-trip
HoustonBilbao
HOU Houston Hobby - BIO Bilbao
HOUBIO
Houston Hobby
Fri 10/9
11:12 am-9:50 am
2 stops15h 38m
Bilbao
Sat 10/10
12:00 pm-11:03 pm
2 stops18h 03m
$4,073
HoustonBilbao
HOU Houston Hobby - BIO Bilbao
HOUBIO
Houston Hobby
Thu 10/8
11:12 am-9:50 am
2 stops15h 38m
Bilbao
Fri 10/9
12:00 pm-11:03 pm
2 stops18h 03m
$16,002
Sorted by cheapest first
Best time to book a flight from Houston to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from Houston with our price prediction graph.
HO1-BIO
IAH-BIO
HOU-BIO
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 Houston to Bilbao
HO1-BIO
IAH-BIO
HOU-BIO
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Bilbao
Get insights into the airlines that provide service to Bilbao. 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 Bilbao. Reviews last updated September 16, 2026.
Peruse reviews from past customers who have flown with United Airlines from Houston to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from Houston to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Houston to Bilbao
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Other flights to Bilbao
Explore flights to Bilbao departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
Complete your trip
Complete your trip to Bilbao by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Bilbao by cabin class
Find flights from Houston to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Bilbao flights
Browse other Houston and Bilbao flight options. Last updated on September 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Houston to Bilbao
Discover the top airline that operate flights from Houston to Bilbao. 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 7,457,451 searches. Data last updated September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$699 | Average$1,319 | FlexibilityNo cancel fee | On-time69% |