$270+ Cheap flights from George Bush Intcntl (IAH) to Barcelona
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BCN
Oct 9 — Oct 161
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 September 9, 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 September 9, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:35 am -
1 stop17h 35m
Wed 11/2511:00 am -
1 stop20h 07m
Deal found 9/9![British Airways logo]()
$558
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:50 pm -
1 stop19h 35m
Wed 11/259:45 am -
2 stops21h 22m
Deal found 9/9![Iberia logo]()
$563
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
1 stop13h 35m
Wed 10/2810:40 am -
1 stop18h 17m
Deal found 9/8![American Airlines logo]()
$565
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:10 pm -
1 stop14h 30m
Wed 10/2112:50 pm -
1 stop17h 01m
Deal found 9/9![Multiple Airlines logo]()
$566
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:40 pm -
1 stop17h 50m
Wed 12/97:25 pm -
1 stop25h 40m
Deal found 9/8![Multiple Airlines logo]()
$567
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:10 pm -
1 stop13h 25m
Thu 10/221:30 pm -
1 stop17h 17m
Deal found 9/9![British Airways logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:33 am -
1 stop16h 22m
Thu 10/2212:20 pm -
1 stop14h 46m
Deal found 9/9![American Airlines logo]()
$575
This British Airways deal was found by Cheapflights users on 9/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
1 stop22h 10m
Wed 10/288:45 pm -
1 stop24h 20m
Deal found 9/8![British Airways logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:21 pm -
2 stops21h 09m
Thu 11/58:10 pm -
1 stop24h 37m
Deal found 9/4![Multiple Airlines logo]()
$578
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:10 pm -
1 stop29h 10m
Tue 10/136:35 pm -
1 stop25h 50m
Deal found 9/8![British Airways logo]()
$580
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:34 pm -
2 stops18h 06m
Wed 10/2112:50 pm -
1 stop17h 01m
Deal found 9/9![British Airways logo]()
$581
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 September 9, 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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 10/63:32 pm -
2 stops18h 38m
Tue 10/136:10 am -
1 stop14h 30m
Deal found 9/8![Delta logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 11/198:04 am -
2 stops18h 31m
Wed 11/251:35 pm -
2 stops34h 40m
Deal found 9/7![United Airlines logo]()
$789
This KLM deal was found by Cheapflights users on 9/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:25 pm -
1 stop16h 05m
Sun 10/256:00 am -
1 stop17h 50m
Deal found 9/5![Multiple Airlines logo]()
$833
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/7. 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.
Sun 1/1712:29 pm -
2 stops21h 46m
Thu 1/216:45 am -
2 stops23h 02m
Deal found 9/7![TAP AIR PORTUGAL logo]()
$1,008
This ITA Airways deal was found by Cheapflights users on 9/6. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:25 pm -
1 stop14h 30m
Fri 12/256:20 am -
1 stop16h 40m
Deal found 9/6![ITA Airways logo]()
$1,150
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 9/303:20 pm -
2 stops18h 50m
Mon 10/56:10 am -
2 stops18h 45m
Deal found 9/8![Delta logo]()
$671
This United deal was found by Cheapflights users on 9/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/67:59 pm -
1 stop30h 01m
Sun 3/1412:35 pm -
1 stop14h 51m
Deal found 9/6![Multiple Airlines logo]()
$840
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 11/65:35 am -
2 stops20h 25m
Fri 11/201:10 pm -
2 stops27h 12m
Deal found 9/8![Delta logo]()
$786
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/306:20 pm -
2 stops16h 10m
Tue 11/1010:35 am -
2 stops20h 24m
Deal found 9/6![Delta logo]()
$789
This Delta deal was found by Cheapflights users on 9/7. 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 10/2111:22 am -
2 stops18h 08m
Mon 10/2611:15 am -
2 stops27h 20m
Deal found 9/7![Delta logo]()
$1,027
Last-minute flights from George Bush Intcntl to BarcelonaDiscover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Barcelona. Data last updated September 9, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:01 pm -
1 stop32h 09m
Wed 9/3012:20 pm -
1 stop16h 39m
Deal found 9/8![British Airways logo]()
$586
This British Airways deal was found by Cheapflights users on 9/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:46 am -
1 stop15h 19m
Mon 9/288:35 pm -
1 stop23h 50m
Deal found 9/8![British Airways logo]()
$582
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:04 pm -
1 stop32h 06m
Wed 10/147:30 am -
1 stop18h 50m
Deal found 9/8![Iberia logo]()
$593
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:10 pm -
1 stop29h 10m
Tue 10/136:35 pm -
1 stop25h 50m
Deal found 9/8![British Airways logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
1 stop13h 35m
Wed 10/2810:40 am -
1 stop18h 17m
Deal found 9/8![American Airlines logo]()
$565
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:10 pm -
1 stop13h 25m
Thu 10/221:30 pm -
1 stop17h 17m
Deal found 9/9![British Airways logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:33 am -
1 stop16h 22m
Thu 10/2212:20 pm -
1 stop14h 46m
Deal found 9/9![American Airlines logo]()
$575
This British Airways deal was found by Cheapflights users on 9/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:30 pm -
1 stop22h 10m
Wed 10/288:45 pm -
1 stop24h 20m
Deal found 9/8![British Airways logo]()
$576
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:10 pm -
1 stop14h 30m
Wed 10/2112:50 pm -
1 stop17h 01m
Deal found 9/9![Multiple Airlines logo]()
$566
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:34 pm -
2 stops18h 06m
Wed 10/2112:50 pm -
1 stop17h 01m
Deal found 9/9![British Airways logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:21 pm -
2 stops21h 09m
Thu 11/58:10 pm -
1 stop24h 37m
Deal found 9/4![Multiple Airlines logo]()
$578
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 September 9, 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 September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Tue 10/206:05 am -
3 stops30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/76:28 am -
3 stops31h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:35 pm -
2 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/512:21 pm -
2 stops26h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
3 stops58h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:04 pm -
3 stops41h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:43 pm -
1 stop14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$320
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:43 pm -
1 stop14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/318:00 am -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 pm -
2 stops36h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$331
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 September 9, 2026.
Round-trip from | $558 (Expedia) |
|---|---|
One-way from | $270 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $832 |
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 7,457,451 searches. Data last updated September 9, 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 Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Sat 1/30
8:15 pm-9:35 am
2 stops30h 20m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$375
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Fri 1/1
8:25 am-9:00 am
2 stops17h 35m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$421
Quickest round-trip
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Fri 1/1
5:26 pm-5:00 pm
2 stops16h 34m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$426
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Wed 10/21
7:21 am-8:20 am
2 stops17h 59m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Tue 10/20
8:05 am-8:00 am
2 stops16h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Sun 11/1
7:45 am-1:15 pm
2 stops22h 30m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Thu 10/15
8:21 am-8:20 am
2 stops16h 59m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$513
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Thu 10/29
11:22 am-11:10 am
2 stops17h 48m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$518
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Tue 10/6
3:32 pm-5:10 pm
2 stops18h 38m
Barcelona-El Prat
Tue 10/13
6:10 am-1:40 pm
1 stop14h 30m
$612
HoustonBarcelona
IAH Houston George Bush Intcntl - BCN Barcelona-El Prat
IAHBCN
Houston George Bush Intcntl
Wed 9/30
3:20 pm-5:10 pm
2 stops18h 50m
Barcelona-El Prat
Mon 10/5
6:10 am-5:55 pm
2 stops18h 45m
$671
Showing 1-10 of 18 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Barcelona (average of $709). Flying from Houston George Bush Intcntl Airport to Barcelona in June is currently the most expensive (average of $1,243). 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?
Airfare is below average for this route at the moment.
Houston George Bush Intcntl Airport to Barcelona flights typically cost between $699 and $1,062 in November.The cheapest round-trip price found within the last 5 days was $558 on British Airways (Nov 18-Nov 25).
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 82 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 September 9, 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
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Top 9 airlines flying from George Bush Intcntl to Barcelona
Discover the top 9 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$535 | Average$913 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$566 | Average$868 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$607 | Average$977 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$614 | Average$1,050 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$622 | Average$906 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$625 | Average$1,052 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$632 | Average$805 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$644 | Average$895 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$692 | Average$1,006 | FlexibilityNo cancel fee | On-time67% |