$415+ Cheap flights from Galveston, TX to Portugal
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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Mar 4 — Mar 111
1 adult, Economy
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Find cheap flights from Galveston to Portugal 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
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Cheapest flights from Galveston to PortugalExplore the most affordable flight options available from Galveston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from Galveston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This Delta deal was found by Cheapflights users on 1/31. 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 3/246:00 am
HOU
- LIS
2 stops21h 00m
Delta
Tue 4/145:00 am
LIS
- HOU
2 stops24h 06m
Delta
Deal found 1/31![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 1/31. 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 3/35:25 am
HOU
- LIS
2 stops21h 35m
Delta
Tue 3/105:00 am
LIS
- HOU
2 stops22h 42m
Delta
Deal found 1/31![Delta logo]()
$553
This oojo deal was found by Cheapflights users on 1/31. 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 11/116:22 pm
HOU
- LIS
2 stops17h 18m
British Airways
Thu 11/197:00 am
LIS
- HOU
2 stops22h 57m
British Airways
Deal found 1/31![British Airways logo]()
$560
This Delta deal was found by Cheapflights users on 1/31. 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 3/2411:33 am
HOU
- LIS
2 stops15h 27m
Delta
Wed 4/1512:45 pm
LIS
- HOU
2 stops16h 21m
Delta
Deal found 1/31![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 1/31. 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 3/2411:33 am
HOU
- LIS
2 stops15h 27m
Delta
Mon 4/1312:45 pm
LIS
- HOU
2 stops16h 21m
Delta
Deal found 1/31![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 4/214:19 pm
HOU
- OPO
2 stops17h 41m
American Airlines
Thu 5/2112:25 pm
OPO
- HOU
2 stops17h 27m
American Airlines
Deal found 1/31![American Airlines logo]()
$634
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
HOU
- LIS
2 stops20h 00m
Delta
Wed 5/65:35 am
LIS
- HOU
2 stops23h 30m
Delta
Deal found 2/1![Delta logo]()
$659
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 4/178:21 pm
HOU
- LIS
2 stops20h 49m
British Airways
Sun 4/267:20 am
LIS
- HOU
2 stops18h 31m
British Airways
Deal found 1/31![British Airways logo]()
$660
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 2/2712:18 pm
HOU
- LIS
2 stops17h 47m
British Airways
Thu 3/127:00 am
LIS
- HOU
2 stops21h 58m
British Airways
Deal found 1/31![British Airways logo]()
$670
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:21 pm
HOU
- LIS
2 stops20h 49m
British Airways
Sat 5/166:55 pm
LIS
- HOU
2 stops26h 54m
British Airways
Deal found 2/1![British Airways logo]()
$675
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 4/104:19 pm
HOU
- OPO
2 stops17h 41m
American Airlines
Thu 4/1612:25 pm
OPO
- HOU
2 stops17h 22m
American Airlines
Deal found 1/31![American Airlines logo]()
$680
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/1012:18 pm
HOU
- LIS
2 stops15h 47m
American Airlines
Wed 3/1811:05 am
LIS
- HOU
2 stops17h 53m
American Airlines
Deal found 1/31![American Airlines logo]()
$692
Best flights from Galveston to PortugalDiscover carefully curated flight deals from Galveston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Galveston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This Delta deal was found by Cheapflights users on 1/31. 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 3/2411:33 am
HOU
- LIS
2 stops15h 27m
Delta
Wed 4/1512:45 pm
LIS
- HOU
2 stops16h 21m
Delta
Deal found 1/31![Delta logo]()
$562
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 4/214:19 pm
HOU
- OPO
2 stops17h 41m
American Airlines
Thu 5/2112:25 pm
OPO
- HOU
2 stops17h 27m
American Airlines
Deal found 1/31![American Airlines logo]()
$634
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 2/2712:18 pm
HOU
- LIS
2 stops17h 47m
British Airways
Thu 3/127:00 am
LIS
- HOU
2 stops21h 58m
British Airways
Deal found 1/31![British Airways logo]()
$670
This Iberia deal was found by Cheapflights users on 2/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:18 pm
HOU
- OPO
2 stops17h 42m
Iberia
Tue 6/28:20 am
OPO
- HOU
2 stops21h 32m
Iberia
Deal found 2/1![Iberia logo]()
$805
This Delta deal was found by Cheapflights users on 1/31. 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 3/2411:33 am
HOU
- LIS
2 stops15h 27m
Delta
Mon 4/1312:45 pm
LIS
- HOU
2 stops16h 21m
Delta
Deal found 1/31![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 4/104:19 pm
HOU
- OPO
2 stops17h 41m
American Airlines
Thu 4/1612:25 pm
OPO
- HOU
2 stops17h 22m
American Airlines
Deal found 1/31![American Airlines logo]()
$680
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:42 pm
HOU
- OPO
2 stops25h 53m
British Airways
Sat 4/188:20 am
OPO
- HOU
2 stops21h 27m
British Airways
Deal found 2/1![British Airways logo]()
$697
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
HOU
- LIS
2 stops21h 40m
Delta
Wed 3/2510:00 am
LIS
- HOU
2 stops17h 42m
Delta
Deal found 2/1![Delta logo]()
$722
This oojo deal was found by Cheapflights users on 1/30. 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.
Sun 3/14:21 pm
HOU
- LIS
2 stops19h 24m
British Airways
Sun 3/87:05 am
LIS
- HOU
2 stops21h 53m
British Airways
Deal found 1/30![British Airways logo]()
$760
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:13 am
HOU
- OPO
2 stops19h 32m
Iberia
Wed 3/114:40 pm
OPO
- HOU
2 stops22h 03m
Iberia
Deal found 2/1![Iberia logo]()
$842
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:18 pm
HOU
- LIS
2 stops17h 47m
British Airways
Mon 3/212:55 pm
LIS
- HOU
2 stops32h 56m
British Airways
Deal found 2/1![British Airways logo]()
$760
This Delta deal was found by Cheapflights users on 1/30. 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 4/96:00 am
HOU
- LIS
2 stops20h 00m
Delta
Wed 4/1510:00 am
LIS
- HOU
2 stops19h 06m
Delta
Deal found 1/30![Delta logo]()
$772
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:18 pm
HOU
- OPO
2 stops25h 42m
Iberia
Mon 3/98:40 pm
OPO
- HOU
2 stops18h 03m
Iberia
Deal found 2/1![Iberia logo]()
$927
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:19 pm
HOU
- LIS
2 stops19h 51m
British Airways
Tue 5/126:45 pm
LIS
- HOU
2 stops27h 04m
British Airways
Deal found 2/1![British Airways logo]()
$781
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:18 pm
HOU
- OPO
2 stops17h 27m
Iberia
Wed 3/118:40 pm
OPO
- HOU
2 stops28h 10m
Iberia
Deal found 2/1![Iberia logo]()
$940
This Delta deal was found by Cheapflights users on 1/31. 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 3/172:13 pm
HOU
- OPO
2 stops20h 02m
Delta
Tue 3/249:55 am
OPO
- HOU
2 stops29h 28m
Delta
Deal found 1/31![Delta logo]()
$895
This Iberia deal was found by Cheapflights users on 2/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:13 am
HOU
- OPO
2 stops15h 27m
Iberia
Mon 3/28:40 pm
OPO
- HOU
2 stops19h 03m
Iberia
Deal found 2/1![Iberia logo]()
$952
This oojo deal was found by Cheapflights users on 1/31. 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 3/114:20 pm
HOU
- LIS
2 stops24h 30m
British Airways
Tue 3/177:05 am
LIS
- HOU
2 stops37h 45m
British Airways
Deal found 1/31![British Airways logo]()
$903
This Delta deal was found by Cheapflights users on 1/31. 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 3/196:00 am
HOU
- LIS
2 stops21h 55m
Delta
Wed 4/15:35 am
LIS
- HOU
2 stops23h 07m
Delta
Deal found 1/31![Delta logo]()
$905
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:19 pm
HOU
- OPO
2 stops17h 41m
Iberia
Wed 5/68:40 pm
OPO
- HOU
2 stops29h 11m
Iberia
Deal found 2/1![Iberia logo]()
$979
This Delta deal was found by Cheapflights users on 1/31. 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 3/1611:33 am
HOU
- LIS
2 stops16h 27m
Delta
Tue 4/75:35 am
LIS
- HOU
2 stops16h 57m
Delta
Deal found 1/31![Delta logo]()
$911
This Delta deal was found by Cheapflights users on 1/30. 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 5/1310:05 am
HOU
- LIS
2 stops22h 50m
Delta
Thu 5/215:35 am
LIS
- HOU
2 stops22h 03m
Delta
Deal found 1/30![Delta logo]()
$944
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:10 pm
HOU
- FNC
2 stops18h 40m
KLM
Mon 6/810:20 am
FNC
- HOU
2 stops29h 00m
KLM
Deal found 2/1![KLM logo]()
$3,737
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:22 pm
HOU
- OPO
2 stops17h 03m
Delta
Tue 3/175:00 am
OPO
- HOU
2 stops22h 42m
Delta
Deal found 2/1![Delta logo]()
$961
This Delta deal was found by Cheapflights users on 1/31. 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 2/185:25 am
HOU
- OPO
2 stops23h 05m
Delta
Sun 2/225:00 am
OPO
- HOU
2 stops23h 28m
Delta
Deal found 1/31![Delta logo]()
$1,010
This Priceline deal was found by Cheapflights users on 2/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:15 pm
HOU
- FNC
2 stops38h 05m
British Airways
Mon 6/87:00 pm
FNC
- HOU
2 stops28h 53m
British Airways
Deal found 2/1![British Airways logo]()
$1,698
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:10 pm
HOU
- FNC
2 stops43h 30m
KLM
Mon 6/810:20 am
FNC
- HOU
2 stops29h 00m
KLM
Deal found 2/1![KLM logo]()
$3,773
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:10 pm
HOU
- FNC
2 stops19h 30m
KLM
Sun 6/76:40 pm
FNC
- HOU
2 stops27h 46m
KLM
Deal found 2/1![KLM logo]()
$4,306
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:10 pm
HOU
- FNC
2 stops43h 30m
KLM
Sun 6/76:40 pm
FNC
- HOU
2 stops27h 46m
KLM
Deal found 2/1![KLM logo]()
$4,341
Last-minute flights from Galveston to PortugalDiscover last-minute flight deals from Galveston to Portugal. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Galveston to Portugal. Data last updated February 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 2/14:55 pm
HOU
- LIS
2 stops15h 55m
American Airlines
Sun 2/811:05 am
LIS
- HOU
2 stops17h 41m
American Airlines
Deal found 1/31![American Airlines logo]()
$809
This oojo deal was found by Cheapflights users on 1/31. 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.
Sun 2/112:47 pm
HOU
- LIS
2 stops17h 18m
British Airways
Sat 2/73:55 pm
LIS
- HOU
2 stops36h 51m
British Airways
Deal found 1/31![British Airways logo]()
$891
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:55 pm
HOU
- LIS
2 stops16h 00m
American Airlines
Sun 2/811:05 am
LIS
- HOU
2 stops17h 41m
American Airlines
Deal found 2/1![American Airlines logo]()
$890
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/312:47 pm
HOU
- LIS
2 stops19h 58m
British Airways
Mon 2/163:50 pm
LIS
- HOU
2 stops34h 00m
British Airways
Deal found 2/1![British Airways logo]()
$760
This oojo deal was found by Cheapflights users on 1/30. 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 2/412:47 pm
HOU
- LIS
2 stops20h 03m
British Airways
Tue 2/1012:55 pm
LIS
- HOU
2 stops35h 11m
British Airways
Deal found 1/30![British Airways logo]()
$841
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/512:47 pm
HOU
- LIS
2 stops19h 58m
British Airways
Mon 2/163:50 pm
LIS
- HOU
2 stops30h 01m
British Airways
Deal found 2/1![British Airways logo]()
$810
This KAYAK deal was found by Cheapflights users on 1/30. 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.
Thu 2/510:35 am
HOU
- OPO
2 stops15h 05m
Iberia
Tue 2/1012:25 pm
OPO
- HOU
2 stops53h 23m
Iberia
Deal found 1/30![Iberia logo]()
$913
This Delta deal was found by Cheapflights users on 1/31. 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 2/185:25 am
HOU
- OPO
2 stops23h 05m
Delta
Sun 2/225:00 am
OPO
- HOU
2 stops23h 28m
Delta
Deal found 1/31![Delta logo]()
$1,010
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:13 am
HOU
- OPO
2 stops19h 32m
Iberia
Wed 3/114:40 pm
OPO
- HOU
2 stops22h 03m
Iberia
Deal found 2/1![Iberia logo]()
$842
This British Airways deal was found by Cheapflights users on 1/30. 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 2/2512:18 pm
HOU
- LIS
2 stops23h 22m
British Airways
Sun 3/17:05 am
LIS
- HOU
2 stops22h 53m
British Airways
Deal found 1/30![British Airways logo]()
$977
This Iberia deal was found by Cheapflights users on 2/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:13 am
HOU
- OPO
2 stops15h 27m
Iberia
Mon 3/28:40 pm
OPO
- HOU
2 stops19h 03m
Iberia
Deal found 2/1![Iberia logo]()
$952
This oojo deal was found by Cheapflights users on 1/31. 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.
Fri 2/2712:18 pm
HOU
- LIS
2 stops17h 47m
British Airways
Thu 3/127:00 am
LIS
- HOU
2 stops21h 58m
British Airways
Deal found 1/31![British Airways logo]()
$670
One-way flights from Galveston to PortugalSearch for one-way flight options from Galveston to Portugal. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Galveston to Portugal. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Delta deal was found by Cheapflights users on 1/31. 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 6/101:00 pm
HOU
- OPO
2 stops15h 30m
Delta
Deal found 1/31![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 2/1510:13 am
HOU
- OPO
2 stops15h 27m
American Airlines
Deal found 1/31![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:13 am
HOU
- OPO
2 stops15h 27m
American Airlines
Deal found 2/1![American Airlines logo]()
$502
This Virgin Atlantic deal was found by Cheapflights users on 2/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
HOU
- LIS
2 stops20h 00m
Virgin Atlantic
Deal found 2/1![Virgin Atlantic logo]()
$518
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:33 am
HOU
- OPO
2 stops17h 57m
Delta
Deal found 2/1![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 1/31. 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.
Sun 3/1511:33 am
HOU
- OPO
2 stops17h 57m
Delta
Deal found 1/31![Delta logo]()
$539
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:13 am
HOU
- OPO
2 stops15h 27m
American Airlines
Deal found 2/1![American Airlines logo]()
$552
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:18 pm
HOU
- OPO
2 stops14h 22m
Iberia
Deal found 2/1![Iberia logo]()
$581
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:06 pm
HOU
- OPO
2 stops20h 19m
Delta
Deal found 2/1![Delta logo]()
$589
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 am
HOU
- OPO
2 stops19h 40m
Iberia
Deal found 2/1![Iberia logo]()
$626
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:20 pm
HOU
- OPO
2 stops29h 20m
American Airlines
Deal found 2/1![American Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:42 pm
HOU
- LIS
2 stops28h 43m
Iberia
Deal found 2/1![Iberia logo]()
$669
Find flight deals from Galveston to Portugal
Keep the following information in mind while searching for Galveston to Portugal flight deals. Data was last updated February 2, 2026.
Round-trip from | $552 (Delta) |
|---|---|
One-way from | $415 (Delta) |
Popular in | June |
Cheapest in | March |
Average price | $711 |
Cheapflights Fare Finder
Customize your flight search to find flights from Galveston to Portugal 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 February 2, 2026.
Use the filters below to find and compare flights from Galveston to Portugal that are best for you.
Fly from
Galveston
Fly to
Portugal
Route
Depart
Return
Price
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Tue 3/24
11:33 am-8:00 am
2 stops15h 27m
Lisbon Humberto Delgado
Wed 4/15
12:45 pm-11:06 pm
2 stops16h 21m
$562
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Tue 3/24
11:33 am-8:00 am
2 stops15h 27m
Lisbon Humberto Delgado
Mon 4/13
12:45 pm-11:06 pm
2 stops16h 21m
$622
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Tue 4/21
4:19 pm-4:00 pm
2 stops17h 41m
Porto
Thu 5/21
12:25 pm-11:52 pm
2 stops17h 27m
$634
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Fri 2/27
12:18 pm-12:05 pm
2 stops17h 47m
Lisbon Humberto Delgado
Thu 3/12
7:00 am-11:58 pm
2 stops21h 58m
$670
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Fri 4/10
4:19 pm-4:00 pm
2 stops17h 41m
Porto
Thu 4/16
12:25 pm-11:47 pm
2 stops17h 22m
$680
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Sat 4/11
12:42 pm-8:35 pm
2 stops25h 53m
Porto
Sat 4/18
8:20 am-11:47 pm
2 stops21h 27m
$697
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Wed 3/18
6:00 am-8:40 am
2 stops21h 40m
Lisbon Humberto Delgado
Wed 3/25
10:00 am-10:42 pm
2 stops17h 42m
$722
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Sun 3/1
4:21 pm-5:45 pm
2 stops19h 24m
Lisbon Humberto Delgado
Sun 3/8
7:05 am-10:58 pm
2 stops21h 53m
$760
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Fri 2/27
12:18 pm-12:05 pm
2 stops17h 47m
Lisbon Humberto Delgado
Mon 3/2
12:55 pm-3:51 pm
2 stops32h 56m
$760
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Thu 4/9
6:00 am-8:00 am
2 stops20h 00m
Lisbon Humberto Delgado
Wed 4/15
10:00 am-11:06 pm
2 stops19h 06m
$772
Showing 1-10 of 49 results
Best time to book a flight from Galveston to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Galveston with our price prediction graph.
HOU-LIS
HOU-OPO
HOU-FNC
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 Galveston to Portugal
G4L-PT0
HOU-LIS
HOU-OPO
HOU-FNC
What is the cheapest month to book a flight from Galveston to Portugal?
Currently, April is the cheapest month in which you can book a flight from Galveston to Portugal (average of $463). Flying from Galveston to Portugal in June is currently the most expensive (average of $824). 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 Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 2, 2026.
See what other customers who have flown with Delta, KLM, and United Airlines from Galveston to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Galveston to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 for Galveston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Galveston to Portugal
Discover the top 8 airlines that operate flights from Galveston to Portugal. 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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$860 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$977 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$825 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$559 | Average$932 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$590 | Average$980 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$621 | Average$740 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$646 | Average$955 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$831 | Average$1,404 | FlexibilityNo cancel fee | On-time76% |