$289+ Cheap flights from George Bush Intcntl (IAH) to Barcelona
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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BCN
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Cheapest flights from George Bush Intcntl to BarcelonaExplore the most affordable flight options available from George Bush Intcntl to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Delta deal was found by Cheapflights users on 6/6. 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 7/272:35 pm
IAH
- BCN
2 stops17h 15m
Delta
Wed 8/126:20 am
BCN
- IAH
2 stops18h 20m
Delta
Deal found 6/6![Delta logo]()
$922
This Air Canada deal was found by Cheapflights users on 6/6. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:25 pm
IAH
- BCN
2 stops30h 35m
Air Canada
Tue 8/117:55 am
BCN
- IAH
2 stops21h 06m
Air Canada
Deal found 6/6![Air Canada logo]()
$923
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 11/147:59 pm
IAH
- BCN
1 stop30h 01m
United Airlines
Sat 11/281:35 pm
BCN
- IAH
1 stop15h 04m
United Airlines
Deal found 6/7![United Airlines logo]()
$928
This FlightHub deal was found by Cheapflights users on 6/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:42 am
IAH
- BCN
2 stops39h 18m
Multiple Airlines
Mon 8/175:10 pm
BCN
- IAH
1 stop27h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 6/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:10 pm
IAH
- BCN
2 stops32h 25m
Air Canada
Sun 12/271:35 pm
BCN
- IAH
2 stops26h 30m
Air Canada
Deal found 6/6![Air Canada logo]()
$931
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:40 pm
IAH
- BCN
1 stop13h 40m
British Airways
Wed 8/1212:50 pm
BCN
- IAH
1 stop16h 50m
British Airways
Deal found 6/7![British Airways logo]()
$932
This Orbitz deal was found by Cheapflights users on 6/6. 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.
Tue 8/1810:00 am
IAH
- BCN
2 stops21h 25m
Multiple Airlines
Mon 8/2410:25 am
BCN
- IAH
2 stops40h 13m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$938
This Air Canada deal was found by Cheapflights users on 6/6. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:20 am
IAH
- BCN
2 stops17h 40m
Air Canada
Sun 10/181:15 pm
BCN
- IAH
2 stops37h 37m
Air Canada
Deal found 6/6![Air Canada logo]()
$941
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:44 pm
IAH
- BCN
2 stops21h 21m
Lufthansa
Mon 8/176:40 pm
BCN
- IAH
2 stops25h 55m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$944
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:35 pm
IAH
- BCN
1 stop13h 20m
Lufthansa
Wed 8/126:40 am
BCN
- IAH
2 stops17h 39m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$945
This Expedia deal was found by Cheapflights users on 6/6. 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.
Tue 7/1410:00 am
IAH
- BCN
1 stop15h 00m
Air Canada
Thu 7/2312:15 pm
BCN
- IAH
1 stop14h 23m
Air Canada
Deal found 6/6![Air Canada logo]()
$947
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:35 pm
IAH
- BCN
2 stops16h 20m
Lufthansa
Sun 10/187:55 am
BCN
- IAH
2 stops36h 40m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$948
Best flights from George Bush Intcntl to BarcelonaDiscover carefully curated flight deals from George Bush Intcntl to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/89:30 am
IAH
- BCN
2 stops15h 30m
United Airlines
Sat 10/1711:15 am
BCN
- IAH
2 stops20h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$959
This Delta deal was found by Cheapflights users on 6/8. 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 8/62:27 pm
IAH
- BCN
2 stops17h 23m
Delta
Tue 8/116:20 am
BCN
- IAH
2 stops22h 16m
Delta
Deal found 6/8![Delta logo]()
$972
This KLM deal was found by Cheapflights users on 6/8. 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.
Fri 7/315:05 pm
IAH
- BCN
1 stop17h 05m
Multiple Airlines
Sat 8/811:00 am
BCN
- IAH
1 stop19h 52m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,033
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:30 pm
IAH
- BCN
2 stops18h 45m
TAP AIR PORTUGAL
Fri 11/206:45 am
BCN
- IAH
2 stops22h 45m
TAP AIR PORTUGAL
Deal found 6/9![TAP AIR PORTUGAL logo]()
$1,178
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:30 pm
IAH
- BCN
1 stop25h 45m
Turkish Airlines
Sun 7/52:35 pm
BCN
- IAH
1 stop29h 10m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$1,342
This Delta deal was found by Cheapflights users on 6/10. 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 7/142:35 pm
IAH
- BCN
2 stops18h 00m
Delta
Thu 7/236:20 am
BCN
- IAH
1 stop14h 00m
Delta
Deal found 6/10![Delta logo]()
$974
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/92:20 pm
IAH
- BCN
2 stops15h 55m
United Airlines
Thu 7/1611:15 am
BCN
- IAH
2 stops16h 35m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,040
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:45 am
IAH
- BCN
2 stops22h 10m
Multiple Airlines
Sun 10/1811:25 am
BCN
- IAH
3 stops31h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,107
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:45 am
IAH
- BCN
2 stops22h 10m
Multiple Airlines
Sun 9/2711:25 am
BCN
- IAH
3 stops31h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,197
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/8. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:58 am
IAH
- BCN
2 stops21h 57m
TAP AIR PORTUGAL
Tue 8/1111:25 am
BCN
- IAH
3 stops28h 23m
TAP AIR PORTUGAL
Deal found 6/8![TAP AIR PORTUGAL logo]()
$1,351
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/6. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:27 pm
IAH
- BCN
2 stops20h 28m
Multiple Airlines
Sat 8/2911:25 am
BCN
- IAH
3 stops32h 01m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,201
Last-minute flights from George Bush Intcntl to BarcelonaDiscover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated June 11, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 6/7. 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 7/62:43 pm
IAH
- BCN
1 stop15h 07m
KLM
Mon 7/137:45 pm
BCN
- IAH
1 stop24h 35m
KLM
Deal found 6/7![KLM logo]()
$959
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 7/1110:08 pm
IAH
- BCN
1 stop32h 07m
United Airlines
Wed 7/221:15 pm
BCN
- IAH
1 stop28h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$962
This Justfly.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/136:02 am
IAH
- BCN
2 stops33h 08m
Multiple Airlines
Mon 7/278:00 am
BCN
- IAH
2 stops21h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/1310:00 am
IAH
- BCN
1 stop15h 00m
United Airlines
Thu 7/2312:15 pm
BCN
- IAH
1 stop14h 23m
United Airlines
Deal found 6/7![United Airlines logo]()
$967
This Expedia deal was found by Cheapflights users on 6/6. 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.
Tue 7/1410:00 am
IAH
- BCN
1 stop15h 00m
Air Canada
Thu 7/2312:15 pm
BCN
- IAH
1 stop14h 23m
Air Canada
Deal found 6/6![Air Canada logo]()
$947
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
IAH
- BCN
1 stop13h 35m
British Airways
Mon 7/279:20 pm
BCN
- IAH
1 stop23h 05m
British Airways
Deal found 6/11![British Airways logo]()
$952
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/157:46 am
IAH
- BCN
1 stop17h 34m
United Airlines
Tue 7/2112:15 pm
BCN
- IAH
1 stop14h 23m
United Airlines
Deal found 6/6![United Airlines logo]()
$968
This Mytrip deal was found by Cheapflights users on 6/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:45 am
IAH
- BCN
2 stops26h 30m
Multiple Airlines
Tue 7/2810:00 pm
BCN
- IAH
3 stops28h 38m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$954
This Delta deal was found by Cheapflights users on 6/7. 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 7/225:05 pm
IAH
- BCN
1 stop14h 45m
Delta
Wed 8/126:20 am
BCN
- IAH
1 stop14h 00m
Delta
Deal found 6/7![Delta logo]()
$970
This Delta deal was found by Cheapflights users on 6/6. 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 7/272:35 pm
IAH
- BCN
2 stops17h 15m
Delta
Tue 8/119:20 am
BCN
- IAH
2 stops19h 01m
Delta
Deal found 6/6![Delta logo]()
$922
This United deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:20 am
IAH
- BCN
1 stop18h 40m
Multiple Airlines
Sun 11/17:30 am
BCN
- IAH
2 stops38h 08m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$955
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:40 pm
IAH
- BCN
1 stop13h 40m
British Airways
Wed 8/1212:50 pm
BCN
- IAH
1 stop16h 50m
British Airways
Deal found 6/7![British Airways logo]()
$932
One-way flights from George Bush Intcntl to BarcelonaSearch for one-way flight options from George Bush Intcntl to Barcelona. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from George Bush Intcntl to Barcelona. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:50 am
IAH
- BCN
3 stops52h 50m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:02 pm
IAH
- BCN
3 stops53h 48m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:44 pm
IAH
- BCN
3 stops40h 56m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:02 pm
IAH
- BCN
3 stops42h 33m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:29 pm
IAH
- BCN
2 stops24h 11m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$332
This deal was found by Cheapflights users on 6/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:10 pm
IAH
- BCN
1 stop14h 25m
Air Canada
Deal found 6/6![Air Canada logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:02 pm
IAH
- BCN
3 stops37h 48m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:23 pm
IAH
- BCN
3 stops46h 52m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$350
Find flight deals from George Bush Intcntl to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Barcelona (S37). 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 11, 2026.
Round-trip from | $922 (Delta) |
|---|---|
One-way from | $289 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,243 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Barcelona 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 11, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Barcelona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Thu 10/8
9:30 am-8:00 am
2 stops15h 30m
Barcelona-El Prat
Sat 10/17
11:15 am-12:30 am
2 stops20h 15m
$959
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Thu 8/6
2:27 pm-2:50 pm
2 stops17h 23m
Barcelona-El Prat
Tue 8/11
6:20 am-9:36 pm
2 stops22h 16m
$972
Quickest round-trip
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Tue 7/14
2:35 pm-3:35 pm
2 stops18h 00m
Barcelona-El Prat
Thu 7/23
6:20 am-1:20 pm
1 stop14h 00m
$974
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Fri 7/31
5:05 pm-5:10 pm
1 stop17h 05m
Barcelona-El Prat
Sat 8/8
11:00 am-11:52 pm
1 stop19h 52m
$1,033
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Thu 7/9
2:20 pm-1:15 pm
2 stops15h 55m
Barcelona-El Prat
Thu 7/16
11:15 am-8:50 pm
2 stops16h 35m
$1,040
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Wed 10/7
11:45 am-4:55 pm
2 stops22h 10m
Barcelona-El Prat
Sun 10/18
11:25 am-12:05 pm
3 stops31h 40m
$1,107
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Sat 10/31
4:30 pm-5:15 pm
2 stops18h 45m
Barcelona-El Prat
Fri 11/20
6:45 am-10:30 pm
2 stops22h 45m
$1,178
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Mon 9/21
11:45 am-4:55 pm
2 stops22h 10m
Barcelona-El Prat
Sun 9/27
11:25 am-12:05 pm
3 stops31h 40m
$1,197
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Sat 8/22
1:27 pm-4:55 pm
2 stops20h 28m
Barcelona-El Prat
Sat 8/29
11:25 am-12:26 pm
3 stops32h 01m
$1,201
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Fri 6/26
2:30 pm-11:15 pm
1 stop25h 45m
Barcelona-El Prat
Sun 7/5
2:35 pm-12:45 pm
1 stop29h 10m
$1,342
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from George Bush Intcntl to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from George Bush Intcntl with our price prediction graph.
IAH-S37
IAH-BCN
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 George Bush Intcntl Airport to Barcelona
IAH-S37
IAH-BCN
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Barcelona?
Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Barcelona (average of $411). Flying from Houston George Bush Intcntl Airport to Barcelona in July is currently the most expensive (average of $655). 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.
How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Barcelona?
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Barcelona?
The price you pay for your flight from Houston George Bush Intcntl Airport to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated June 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAir Canada from Houston George Bush Intcntl Airport to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Barcelona. 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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George Bush Intcntl and Barcelona flights
Browse other George Bush Intcntl and Barcelona flight options. Last updated on June 11, 2026.
Other flights from George Bush Intcntl
Browse through other flights departing from George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
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Top 10 airlines flying from George Bush Intcntl to Barcelona
Discover the top 10 airlines that operate flights from George Bush Intcntl to Barcelona. 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$535 | Average$848 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$566 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$576 | Average$937 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$582 | Average$885 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$586 | Average$984 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$607 | Average$977 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$622 | Average$984 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$625 | Average$1,067 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$632 | Average$745 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$667 | Average$877 | FlexibilityNo cancel fee | On-time67% |