Cheap flights from George Bush Intcntl (IAH) to Barcelona
IAH — BCN
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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 October 25, 2026.
Popular in | June |
|---|---|
Cheapest in | January |
Average price | $849 |
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
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
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 79 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Barcelona (average of $757). Flying from Houston George Bush Intcntl Airport to Barcelona in June is currently the most expensive (average of $1,260). 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.
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 October 25, 2026.
See what other customers who have flown with United Airlines,Air Canada, andAmerican Airlines 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
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
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George Bush Intcntl and Barcelona flights
Browse other George Bush Intcntl and Barcelona flight options. Last updated on October 25, 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 October 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$535 | Average$989 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$567 | Average$581 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$575 | Average$879 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$607 | Average$977 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$625 | Average$1,191 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$636 | Average$1,075 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$641 | Average$808 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$644 | Average$862 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$691 | Average$883 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$692 | Average$1,008 | FlexibilityNo cancel fee | On-time67% |