$315+ Cheap flights from George Bush Intcntl (IAH) to Porto (OPO)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — OPO
avr. 10 — avr. 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from George Bush Intcntl to Porto
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to PortoExplore the most affordable flight options available from George Bush Intcntl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mars 11, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mars 11, 2026.
This Air France deal was found by Cheapflights users on 3/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/193:50 pm
IAH
- OPO
1 stop17h 35m
Multiple Airlines
lun. 5/47:00 pm
OPO
- IAH
1 stop24h 15m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$619
This KLM deal was found by Cheapflights users on 3/8. 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.
mar. 4/73:20 pm
IAH
- OPO
1 stop18h 10m
KLM
mar. 4/144:20 pm
OPO
- IAH
1 stop26h 55m
KLM
Deal found 3/8![KLM logo]()
$624
This United Airlines deal was found by Cheapflights users on 3/8. 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.
ven. 11/132:30 pm
IAH
- OPO
1 stop13h 00m
United Airlines
mar. 11/1712:35 pm
OPO
- IAH
1 stop15h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 3/8. 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.
mar. 4/76:53 pm
IAH
- OPO
2 stops17h 27m
Delta
mar. 4/145:00 am
OPO
- IAH
1 stop14h 15m
Delta
Deal found 3/8![Delta logo]()
$628
This KLM deal was found by Cheapflights users on 3/8. 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.
mar. 10/133:55 pm
IAH
- OPO
1 stop17h 30m
KLM
lun. 10/194:20 pm
OPO
- IAH
1 stop27h 20m
KLM
Deal found 3/8![KLM logo]()
$635
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/312:24 pm
IAH
- OPO
2 stops36h 16m
Iberia
sam. 11/78:40 pm
OPO
- IAH
2 stops33h 50m
Iberia
Deal found 3/10![Iberia logo]()
$647
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/183:55 pm
IAH
- OPO
1 stop37h 00m
Turkish Airlines
mar. 3/244:10 pm
OPO
- IAH
1 stop33h 00m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$654
This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/293:30 pm
IAH
- OPO
2 stops21h 50m
Multiple Airlines
mer. 10/1411:35 am
OPO
- IAH
2 stops31h 50m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$663
This Air France deal was found by Cheapflights users on 3/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/133:55 pm
IAH
- OPO
1 stop17h 30m
Multiple Airlines
lun. 10/198:10 pm
OPO
- IAH
1 stop23h 05m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$665
Best flights from George Bush Intcntl to PortoDiscover carefully curated flight deals from George Bush Intcntl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mars 11, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mars 11, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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.
mar. 4/76:53 pm
IAH
- OPO
2 stops17h 27m
Delta
mar. 4/1411:30 am
OPO
- IAH
2 stops18h 29m
Delta
Deal found 3/8![Delta logo]()
$638
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/73:20 pm
IAH
- OPO
1 stop18h 10m
KLM
mar. 4/1411:30 am
OPO
- IAH
2 stops18h 29m
KLM
Deal found 3/10![KLM logo]()
$684
This United Airlines deal was found by Cheapflights users on 3/8. 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.
sam. 7/2510:00 am
IAH
- OPO
1 stop15h 00m
United Airlines
mar. 8/412:15 pm
OPO
- IAH
2 stops30h 51m
United Airlines
Deal found 3/8![United Airlines logo]()
$893
This KLM deal was found by Cheapflights users on 3/8. 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.
lun. 5/43:50 pm
IAH
- OPO
1 stop17h 35m
KLM
lun. 5/1111:25 am
OPO
- IAH
2 stops18h 29m
KLM
Deal found 3/8![KLM logo]()
$738
This Delta deal was found by Cheapflights users on 3/6. 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.
lun. 5/116:35 pm
IAH
- OPO
2 stops17h 35m
Delta
lun. 6/15:00 am
OPO
- IAH
1 stop14h 15m
Delta
Deal found 3/6![Delta logo]()
$935
This United Airlines deal was found by Cheapflights users on 3/9. 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.
dim. 7/56:40 pm
IAH
- OPO
2 stops30h 20m
United Airlines
mar. 7/149:00 am
OPO
- IAH
2 stops16h 27m
United Airlines
Deal found 3/9![United Airlines logo]()
$973
This KLM deal was found by Cheapflights users on 3/7. 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.
lun. 5/113:50 pm
IAH
- OPO
1 stop24h 10m
KLM
lun. 6/17:00 pm
OPO
- IAH
1 stop24h 15m
KLM
Deal found 3/7![KLM logo]()
$994
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/2512:55 pm
IAH
- OPO
1 stop15h 25m
Delta
mar. 8/49:25 am
OPO
- IAH
2 stops20h 32m
Delta
Deal found 3/11![Delta logo]()
$1,022
Last-minute flights from George Bush Intcntl to PortoDiscover last-minute flight deals from George Bush Intcntl to Porto. Data last updated mars 11, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Porto. Data last updated mars 11, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/183:55 pm
IAH
- OPO
1 stop37h 00m
Turkish Airlines
mar. 3/244:10 pm
OPO
- IAH
1 stop33h 00m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$654
This FlightHub deal was found by Cheapflights users on 3/9. 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.
mer. 4/12:30 pm
IAH
- OPO
1 stop19h 10m
Turkish Airlines
mar. 5/54:50 pm
OPO
- IAH
1 stop25h 55m
Turkish Airlines
Deal found 3/9![Turkish Airlines logo]()
$698
This oojo deal was found by Cheapflights users on 3/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/12:30 pm
IAH
- OPO
1 stop19h 10m
Turkish Airlines
sam. 4/116:15 am
OPO
- IAH
1 stop18h 55m
Turkish Airlines
Deal found 3/6![Turkish Airlines logo]()
$709
This KLM deal was found by Cheapflights users on 3/8. 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.
mar. 4/73:20 pm
IAH
- OPO
1 stop18h 10m
KLM
mar. 4/144:20 pm
OPO
- IAH
1 stop26h 55m
KLM
Deal found 3/8![KLM logo]()
$624
This Delta deal was found by Cheapflights users on 3/8. 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.
mar. 4/76:53 pm
IAH
- OPO
2 stops17h 27m
Delta
mar. 4/145:00 am
OPO
- IAH
1 stop14h 15m
Delta
Deal found 3/8![Delta logo]()
$628
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/74:42 pm
IAH
- OPO
2 stops20h 48m
British Airways
mar. 4/1412:25 pm
OPO
- IAH
2 stops25h 55m
British Airways
Deal found 3/10![British Airways logo]()
$712
This Air France deal was found by Cheapflights users on 3/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/193:50 pm
IAH
- OPO
1 stop17h 35m
Multiple Airlines
lun. 5/47:00 pm
OPO
- IAH
1 stop24h 15m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$619
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/196:09 pm
IAH
- OPO
2 stops20h 26m
British Airways
lun. 5/49:25 pm
OPO
- IAH
1 stop22h 00m
British Airways
Deal found 3/7![British Airways logo]()
$675
One-way flights from George Bush Intcntl to PortoSearch for one-way flight options from George Bush Intcntl to Porto. Find affordable one-way fares based on user searches. Data last updated mars 11, 2026.
Search for one-way flight options from George Bush Intcntl to Porto. Find affordable one-way fares based on user searches. Data last updated mars 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/8. 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.
lun. 7/2712:00 pm
IAH
- OPO
1 stop12h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 3/9. 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.
sam. 7/1810:08 pm
IAH
- OPO
2 stops26h 47m
United Airlines
Deal found 3/9![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
mar. 5/127:45 am
IAH
- OPO
3 stops31h 30m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
lun. 5/113:31 pm
IAH
- OPO
3 stops45h 39m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/254:11 pm
IAH
- OPO
3 stops23h 04m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$361
This British Airways deal was found by Cheapflights users on 3/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/163:40 pm
IAH
- OPO
1 stop22h 40m
British Airways
Deal found 3/9![British Airways logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/146:00 am
IAH
- OPO
3 stops36h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
mer. 5/67:00 am
IAH
- OPO
3 stops55h 25m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 3/9. 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.
ven. 7/177:24 am
IAH
- OPO
2 stops17h 31m
United Airlines
Deal found 3/9![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/9. 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.
jeu. 7/166:30 am
IAH
- OPO
2 stops18h 25m
United Airlines
Deal found 3/9![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/156:15 pm
IAH
- OPO
1 stop34h 15m
Delta
Deal found 3/9![Delta logo]()
$403
Find flight deals from George Bush Intcntl to Porto
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Porto (OPO). 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 mars 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $619 (Air France) |
One-way from | $315 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $697 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Porto 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 mars 11, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
mar. 4/7
6:53 pm-6:20 pm
2 stops17h 27m
Porto
mar. 4/14
11:30 am-11:59 pm
2 stops18h 29m
$638
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
mar. 4/7
3:20 pm-3:30 pm
1 stop18h 10m
Porto
mar. 4/14
11:30 am-11:59 pm
2 stops18h 29m
$684
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
lun. 5/4
3:50 pm-3:25 pm
1 stop17h 35m
Porto
lun. 5/11
11:25 am-11:54 pm
2 stops18h 29m
$738
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
sam. 7/25
10:00 am-7:00 am
1 stop15h 00m
Porto
mar. 8/4
12:15 pm-1:06 pm
2 stops30h 51m
$893
Quickest round-trip
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
lun. 5/11
6:35 pm-6:10 pm
2 stops17h 35m
Porto
lun. 6/1
5:00 am-1:15 pm
1 stop14h 15m
$935
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
dim. 7/5
6:40 pm-7:00 am
2 stops30h 20m
Porto
mar. 7/14
9:00 am-7:27 pm
2 stops16h 27m
$973
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
lun. 5/11
3:50 pm-10:00 pm
1 stop24h 10m
Porto
lun. 6/1
7:00 pm-1:15 pm
1 stop24h 15m
$994
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
sam. 7/25
12:55 pm-10:20 am
1 stop15h 25m
Porto
mar. 8/4
9:25 am-11:57 pm
2 stops20h 32m
$1,022
Cheapest one-way
Quickest one-way
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
lun. 7/27
12:00 pm-6:55 am
1 stop12h 55m
$315
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
sam. 7/18
10:08 pm-6:55 am
2 stops26h 47m
$346
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Porto in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from George Bush Intcntl with our price prediction graph.
IAH-OPO
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 Porto
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated mars 11, 2026.
Read reviews from past customers who have flown KLM,United Airlines, andLufthansa from Houston George Bush Intcntl Airport to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Crew
8.4
Entertainment
7.1
Overall
7.8
Boarding
7.8
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Entertainment
7.1
Overall
7.8
Boarding
7.8
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Entertainment
7.1
Overall
7.8
Boarding
7.8
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Entertainment
7.1
Overall
7.8
Boarding
7.8
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from George Bush Intcntl
Popular flights
Porto flight routes
Alternative routes for George Bush Intcntl to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from George Bush Intcntl to Porto by cabin class
Find flights from George Bush Intcntl to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
George Bush Intcntl and Porto flights
Browse other George Bush Intcntl and Porto flight options. Last updated on mars 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 mars 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on mars 11, 2026.
Top 3 airlines flying from George Bush Intcntl to Porto
Discover the top 3 airlines that operate flights from George Bush Intcntl to Porto. 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 mars 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$476 | Average$755 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$642 | Average$1,075 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$831 | Average$1,404 | FlexibilityNo cancel fee | On-time76% |