$234+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BCN
Apr 5 — Apr 121
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 March 6, 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 March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/128:26 am
IAH
- BCN
2 stops45h 54m
Multiple Airlines
Tue 4/286:40 pm
BCN
- IAH
1 stop27h 21m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$620
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 9/253:30 pm
IAH
- BCN
1 stop15h 20m
British Airways
Wed 9/3010:45 am
BCN
- IAH
1 stop14h 02m
British Airways
Deal found 3/3![British Airways logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/251:07 pm
IAH
- BCN
1 stop17h 13m
Multiple Airlines
Wed 5/65:35 pm
BCN
- IAH
2 stops52h 26m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 3/5. 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 11/166:45 am
IAH
- BCN
2 stops19h 50m
United Airlines
Tue 11/241:35 pm
BCN
- IAH
2 stops37h 05m
United Airlines
Deal found 3/5![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 3/3. 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 10/176:05 pm
IAH
- BCN
2 stops30h 55m
United Airlines
Fri 10/236:00 am
BCN
- IAH
2 stops33h 43m
United Airlines
Deal found 3/3![United Airlines logo]()
$626
This Gotogate deal was found by Cheapflights users on 3/2. 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.
Sun 4/127:00 am
IAH
- BCN
1 stop19h 20m
Air Canada
Tue 4/2812:15 pm
BCN
- IAH
1 stop15h 14m
Air Canada
Deal found 3/2![Air Canada logo]()
$627
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 9/179:05 pm
IAH
- BCN
1 stop14h 15m
British Airways
Tue 9/227:40 am
BCN
- IAH
1 stop18h 35m
British Airways
Deal found 3/3![British Airways logo]()
$628
This oojo deal was found by Cheapflights users on 3/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:25 pm
IAH
- BCN
1 stop14h 30m
ITA Airways
Tue 11/34:50 pm
BCN
- IAH
1 stop30h 35m
ITA Airways
Deal found 3/5![ITA Airways logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/159:33 am
IAH
- BCN
1 stop24h 07m
Multiple Airlines
Mon 4/206:30 pm
BCN
- IAH
2 stops44h 53m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/510:56 pm
IAH
- BCN
2 stops34h 44m
Multiple Airlines
Mon 4/133:30 pm
BCN
- IAH
1 stop33h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$631
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 4/139:05 pm
IAH
- BCN
1 stop13h 30m
British Airways
Wed 4/2912:20 pm
BCN
- IAH
1 stop18h 29m
British Airways
Deal found 3/3![British Airways logo]()
$632
This FlightHub deal was found by Cheapflights users on 3/3. 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.
Tue 3/319:05 pm
IAH
- BCN
1 stop19h 10m
Turkish Airlines
Tue 4/77:05 pm
BCN
- IAH
1 stop24h 40m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$633
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 March 6, 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 March 6, 2026.
This British Airways deal was found by Cheapflights users on 3/1. 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.
Mon 4/133:30 pm
IAH
- BCN
1 stop13h 35m
British Airways
Wed 4/291:35 pm
BCN
- IAH
2 stops17h 24m
British Airways
Deal found 3/1![British Airways logo]()
$656
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Sun 4/1910:05 pm
IAH
- BCN
1 stop32h 10m
United Airlines
Sun 4/261:15 pm
BCN
- IAH
1 stop28h 45m
United Airlines
Deal found 3/4![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 3/2. 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 3/246:53 pm
IAH
- BCN
2 stops16h 12m
Delta
Thu 4/96:20 am
BCN
- IAH
1 stop13h 55m
Delta
Deal found 3/2![Delta logo]()
$790
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/2. 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.
Tue 5/512:44 pm
IAH
- BCN
2 stops23h 36m
TAP AIR PORTUGAL
Thu 6/411:25 am
BCN
- IAH
3 stops29h 25m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$1,107
This Delta deal was found by Cheapflights users on 3/3. 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 3/243:18 pm
IAH
- BCN
2 stops16h 42m
Delta
Tue 3/319:20 am
BCN
- IAH
2 stops18h 49m
Delta
Deal found 3/3![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 3/3. 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 3/255:05 pm
IAH
- BCN
1 stop18h 00m
Delta
Wed 4/19:20 am
BCN
- IAH
2 stops18h 49m
Delta
Deal found 3/3![Delta logo]()
$836
This British Airways deal was found by Cheapflights users on 3/5. 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.
Wed 5/209:05 pm
IAH
- BCN
1 stop16h 25m
British Airways
Wed 5/277:40 am
BCN
- IAH
1 stop18h 35m
British Airways
Deal found 3/5![British Airways logo]()
$974
This Delta deal was found by Cheapflights users on 3/3. 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 3/235:05 pm
IAH
- BCN
1 stop15h 55m
Delta
Mon 3/3011:10 am
BCN
- IAH
2 stops18h 49m
Delta
Deal found 3/3![Delta logo]()
$846
This British Airways deal was found by Cheapflights users on 3/5. 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 5/249:05 pm
IAH
- BCN
1 stop15h 30m
British Airways
Sun 5/318:40 pm
BCN
- IAH
1 stop23h 45m
British Airways
Deal found 3/5![British Airways logo]()
$1,028
This British Airways deal was found by Cheapflights users on 3/5. 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.
Sat 5/239:05 pm
IAH
- BCN
1 stop14h 30m
British Airways
Mon 6/19:20 pm
BCN
- IAH
1 stop23h 05m
British Airways
Deal found 3/5![British Airways logo]()
$1,038
Last-minute flights from George Bush Intcntl to BarcelonaDiscover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated March 6, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/3. 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.
Tue 3/319:05 pm
IAH
- BCN
1 stop19h 10m
Turkish Airlines
Tue 4/77:05 pm
BCN
- IAH
1 stop24h 40m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$633
This FlightHub deal was found by Cheapflights users on 3/5. 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.
Tue 3/319:05 pm
IAH
- BCN
1 stop33h 25m
Turkish Airlines
Tue 4/287:40 am
BCN
- IAH
1 stop18h 30m
Turkish Airlines
Deal found 3/5![Turkish Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/510:56 pm
IAH
- BCN
2 stops34h 44m
Multiple Airlines
Mon 4/133:30 pm
BCN
- IAH
1 stop33h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/128:26 am
IAH
- BCN
2 stops45h 54m
Multiple Airlines
Tue 4/286:40 pm
BCN
- IAH
1 stop27h 21m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$620
This Gotogate deal was found by Cheapflights users on 3/3. 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.
Sun 4/127:00 am
IAH
- BCN
1 stop19h 20m
Air Canada
Tue 4/2812:15 pm
BCN
- IAH
1 stop15h 14m
Air Canada
Deal found 3/3![Air Canada logo]()
$622
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 4/139:05 pm
IAH
- BCN
1 stop13h 30m
British Airways
Wed 4/2912:20 pm
BCN
- IAH
1 stop18h 29m
British Airways
Deal found 3/3![British Airways logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/159:33 am
IAH
- BCN
1 stop24h 07m
Multiple Airlines
Mon 4/206:30 pm
BCN
- IAH
2 stops44h 53m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/159:33 am
IAH
- BCN
1 stop24h 07m
Multiple Airlines
Sun 4/193:30 pm
BCN
- IAH
1 stop23h 53m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/251:07 pm
IAH
- BCN
1 stop17h 13m
Multiple Airlines
Wed 5/65:35 pm
BCN
- IAH
2 stops52h 26m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/251:07 pm
IAH
- BCN
1 stop17h 13m
Multiple Airlines
Tue 5/52:25 pm
BCN
- IAH
2 stops38h 39m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/286:44 pm
IAH
- BCN
1 stop35h 36m
Multiple Airlines
Sat 5/98:45 am
BCN
- IAH
2 stops30h 53m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$634
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 March 6, 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 March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 3/214:46 pm
IAH
- BCN
3 stops50h 04m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Fri 3/207:19 pm
IAH
- BCN
2 stops56h 31m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 3/244:11 pm
IAH
- BCN
2 stops25h 54m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 3/235:15 am
IAH
- BCN
3 stops37h 35m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 3/199:15 pm
IAH
- BCN
2 stops43h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/252:29 pm
IAH
- BCN
3 stops19h 31m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 5/46:14 pm
IAH
- BCN
2 stops36h 06m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 5/64:02 pm
IAH
- BCN
2 stops41h 23m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$291
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 March 6, 2026.
Round-trip from | $620 (Kiwi.com) |
|---|---|
One-way from | $234 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $681 |
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 March 6, 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
Mon 4/13
3:30 pm-12:05 pm
1 stop13h 35m
Barcelona-El Prat
Wed 4/29
1:35 pm-11:59 pm
2 stops17h 24m
$656
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Sun 4/19
10:05 pm-1:15 pm
1 stop32h 10m
Barcelona-El Prat
Sun 4/26
1:15 pm-11:00 am
1 stop28h 45m
$738
Quickest round-trip
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Tue 3/24
6:53 pm-5:05 pm
2 stops16h 12m
Barcelona-El Prat
Thu 4/9
6:20 am-1:15 pm
1 stop13h 55m
$790
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Tue 3/24
3:18 pm-2:00 pm
2 stops16h 42m
Barcelona-El Prat
Tue 3/31
9:20 am-9:09 pm
2 stops18h 49m
$801
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Wed 3/25
5:05 pm-5:05 pm
1 stop18h 00m
Barcelona-El Prat
Wed 4/1
9:20 am-9:09 pm
2 stops18h 49m
$836
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Mon 3/23
5:05 pm-3:00 pm
1 stop15h 55m
Barcelona-El Prat
Mon 3/30
11:10 am-10:59 pm
2 stops18h 49m
$846
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Wed 5/20
9:05 pm-8:30 pm
1 stop16h 25m
Barcelona-El Prat
Wed 5/27
7:40 am-7:15 pm
1 stop18h 35m
$974
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Sun 5/24
9:05 pm-7:35 pm
1 stop15h 30m
Barcelona-El Prat
Sun 5/31
8:40 pm-1:25 pm
1 stop23h 45m
$1,028
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Sat 5/23
9:05 pm-6:35 pm
1 stop14h 30m
Barcelona-El Prat
Mon 6/1
9:20 pm-1:25 pm
1 stop23h 05m
$1,038
HoustonBarcelona
IAH - BCN
IAHBCN
Houston George Bush Intcntl
Tue 5/5
12:44 pm-7:20 pm
2 stops23h 36m
Barcelona-El Prat
Thu 6/4
11:25 am-9:50 am
3 stops29h 25m
$1,107
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
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Barcelona?
Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Barcelona. Price data was last updated on February 27, 2026.
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 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $531). Flying from Houston George Bush Intcntl Airport to Barcelona in June is currently the most expensive (average of $968). 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?
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 March 6, 2026.
See what other customers who have flown with Delta, United Airlines, and Air 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.
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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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Alternative routes for George Bush Intcntl to Barcelona
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George Bush Intcntl and Barcelona flights
Browse other George Bush Intcntl and Barcelona flight options. Last updated on March 6, 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 March 6, 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 March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$531 | Average$881 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$535 | Average$848 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$556 | Average$860 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$566 | Average$779 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$567 | Average$857 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$571 | Average$952 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$576 | Average$1,158 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$603 | Average$1,067 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$606 | Average$989 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$607 | Average$966 | FlexibilityNo cancel fee | On-time81% |