$360+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Jun 26 — Jul 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 Galveston to Portugal
Cheapest
Best
Last-minute
One-way
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 May 27, 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 May 27, 2026.
This Delta deal was found by Cheapflights users on 5/25. 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 11/161:00 pm
HOU
- OPO
2 stops15h 30m
Delta
Thu 11/195:00 am
OPO
- HOU
2 stops22h 43m
Delta
Deal found 5/25![Delta logo]()
$723
This American Airlines deal was found by Cheapflights users on 5/22. 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 10/124:15 pm
HOU
- OPO
2 stops17h 45m
American Airlines
Wed 10/2112:25 pm
OPO
- HOU
2 stops17h 28m
American Airlines
Deal found 5/22![American Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 5/24. 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 12/96:00 am
HOU
- LIS
2 stops20h 00m
Delta
Thu 1/75:30 am
LIS
- HOU
2 stops22h 13m
Delta
Deal found 5/24![Delta logo]()
$858
This Delta deal was found by Cheapflights users on 5/24. 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 12/111:00 pm
HOU
- LIS
2 stops14h 00m
Delta
Fri 1/811:15 am
LIS
- HOU
2 stops28h 11m
Delta
Deal found 5/24![Delta logo]()
$912
This Delta deal was found by Cheapflights users on 5/24. 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 9/1310:05 am
HOU
- OPO
2 stops23h 25m
Delta
Wed 9/235:55 am
OPO
- HOU
2 stops22h 40m
Delta
Deal found 5/24![Delta logo]()
$915
This Virgin Atlantic deal was found by Cheapflights users on 5/26. 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 11/241:00 pm
HOU
- LIS
2 stops14h 00m
Virgin Atlantic
Mon 11/3011:15 am
LIS
- HOU
2 stops16h 28m
Virgin Atlantic
Deal found 5/26![Virgin Atlantic logo]()
$922
This Delta deal was found by Cheapflights users on 5/26. 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 9/206:00 am
HOU
- LIS
2 stops20h 50m
Delta
Wed 9/305:35 am
LIS
- HOU
2 stops23h 00m
Delta
Deal found 5/26![Delta logo]()
$924
This Delta deal was found by Cheapflights users on 5/27. 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 10/76:00 am
HOU
- LIS
2 stops20h 50m
Delta
Wed 10/145:35 am
LIS
- HOU
2 stops16h 55m
Delta
Deal found 5/27![Delta logo]()
$925
This Delta deal was found by Cheapflights users on 5/24. 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 7/225:17 pm
HOU
- OPO
2 stops22h 43m
Delta
Wed 8/55:55 am
OPO
- HOU
2 stops16h 30m
Delta
Deal found 5/24![Delta logo]()
$939
This Delta deal was found by Cheapflights users on 5/26. 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 8/1010:50 am
HOU
- OPO
2 stops22h 35m
Delta
Mon 8/245:00 am
OPO
- HOU
2 stops23h 05m
Delta
Deal found 5/26![Delta logo]()
$941
This Delta deal was found by Cheapflights users on 5/22. 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 8/261:13 pm
HOU
- LIS
2 stops22h 37m
Delta
Wed 9/25:00 am
LIS
- HOU
2 stops22h 35m
Delta
Deal found 5/22![Delta logo]()
$953
This Delta deal was found by Cheapflights users on 5/25. 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 9/85:35 pm
HOU
- LIS
2 stops19h 10m
Delta
Wed 9/165:00 am
LIS
- HOU
2 stops17h 31m
Delta
Deal found 5/25![Delta logo]()
$958
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 May 27, 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 May 27, 2026.
This Delta deal was found by Cheapflights users on 5/22. 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 11/161:00 pm
HOU
- OPO
2 stops15h 30m
Delta
Thu 11/195:00 am
OPO
- HOU
2 stops22h 43m
Delta
Deal found 5/22![Delta logo]()
$723
This KLM deal was found by Cheapflights users on 5/25. 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 8/85:20 pm
HOU
- FNC
2 stops18h 25m
KLM
Wed 8/1910:25 am
FNC
- HOU
2 stops36h 00m
KLM
Deal found 5/25![KLM logo]()
$1,620
This Iberia deal was found by Cheapflights users on 5/24. 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.
Wed 7/2212:46 pm
HOU
- FNC
2 stops17h 39m
Iberia
Sun 7/2611:20 am
FNC
- HOU
2 stops42h 36m
Iberia
Deal found 5/24![Iberia logo]()
$1,738
This Delta deal was found by Cheapflights users on 5/22. 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 10/121:00 pm
HOU
- LIS
2 stops22h 50m
Delta
Wed 10/215:35 am
LIS
- HOU
2 stops22h 08m
Delta
Deal found 5/22![Delta logo]()
$924
This Delta deal was found by Cheapflights users on 5/24. 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 9/206:00 am
HOU
- LIS
2 stops20h 50m
Delta
Wed 9/305:35 am
LIS
- HOU
2 stops23h 00m
Delta
Deal found 5/24![Delta logo]()
$924
This Delta deal was found by Cheapflights users on 5/23. 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 8/1010:50 am
HOU
- OPO
2 stops22h 35m
Delta
Mon 8/245:00 am
OPO
- HOU
2 stops23h 05m
Delta
Deal found 5/23![Delta logo]()
$941
This Delta deal was found by Cheapflights users on 5/22. 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 8/261:13 pm
HOU
- LIS
2 stops22h 37m
Delta
Wed 9/25:00 am
LIS
- HOU
2 stops22h 35m
Delta
Deal found 5/22![Delta logo]()
$953
This Delta deal was found by Cheapflights users on 5/25. 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 9/85:35 pm
HOU
- LIS
2 stops19h 10m
Delta
Wed 9/165:00 am
LIS
- HOU
2 stops17h 31m
Delta
Deal found 5/25![Delta logo]()
$958
This Delta deal was found by Cheapflights users on 5/22. 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 8/2010:50 am
HOU
- LIS
2 stops18h 25m
Delta
Thu 8/275:00 am
LIS
- HOU
2 stops23h 46m
Delta
Deal found 5/22![Delta logo]()
$977
This KLM deal was found by Cheapflights users on 5/25. 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.
Wed 7/85:14 pm
HOU
- FNC
2 stops42h 51m
KLM
Wed 7/1510:25 am
FNC
- HOU
2 stops35h 58m
KLM
Deal found 5/25![KLM logo]()
$1,651
This Delta deal was found by Cheapflights users on 5/26. 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 8/266:00 am
HOU
- LIS
2 stops20h 00m
Delta
Sun 9/65:00 am
LIS
- HOU
2 stops22h 23m
Delta
Deal found 5/26![Delta logo]()
$1,014
This Delta deal was found by Cheapflights users on 5/27. 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 7/76:00 am
HOU
- LIS
2 stops23h 15m
Delta
Tue 7/145:00 am
LIS
- HOU
2 stops22h 51m
Delta
Deal found 5/27![Delta logo]()
$1,024
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 8/226:00 am
HOU
- OPO
2 stops22h 20m
Delta
Sat 8/295:00 am
OPO
- HOU
2 stops22h 23m
Delta
Deal found 5/24![Delta logo]()
$1,039
This Delta deal was found by Cheapflights users on 5/24. 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 8/136:00 am
HOU
- LIS
2 stops22h 55m
Delta
Tue 8/185:00 am
LIS
- HOU
2 stops23h 05m
Delta
Deal found 5/24![Delta logo]()
$1,046
This Priceline deal was found by Cheapflights users on 5/22. 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.
Wed 7/1512:46 pm
HOU
- FNC
2 stops17h 39m
Iberia
Mon 7/2011:00 am
FNC
- HOU
2 stops18h 56m
Iberia
Deal found 5/22![Iberia logo]()
$2,571
This Delta deal was found by Cheapflights users on 5/22. 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 9/11:00 pm
HOU
- LIS
2 stops19h 35m
Delta
Tue 9/225:00 am
LIS
- HOU
2 stops22h 35m
Delta
Deal found 5/22![Delta logo]()
$1,051
This KLM deal was found by Cheapflights users on 5/25. 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.
Wed 8/55:20 pm
HOU
- FNC
2 stops42h 45m
KLM
Wed 8/1910:25 am
FNC
- HOU
2 stops36h 00m
KLM
Deal found 5/25![KLM logo]()
$2,499
This Iberia deal was found by Cheapflights users on 5/22. 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.
Mon 7/66:49 pm
HOU
- FNC
2 stops36h 06m
Iberia
Mon 7/131:20 pm
FNC
- HOU
2 stops36h 37m
Iberia
Deal found 5/22![Iberia logo]()
$2,617
This Delta deal was found by Cheapflights users on 5/23. 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 7/105:17 pm
HOU
- OPO
2 stops22h 58m
Delta
Wed 7/225:00 am
OPO
- HOU
2 stops22h 51m
Delta
Deal found 5/23![Delta logo]()
$1,058
This KLM deal was found by Cheapflights users on 5/25. 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 9/125:35 pm
HOU
- FNC
2 stops18h 15m
KLM
Sun 9/206:40 pm
FNC
- HOU
2 stops27h 51m
KLM
Deal found 5/25![KLM logo]()
$2,566
This Delta deal was found by Cheapflights users on 5/22. 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 10/2210:05 am
HOU
- OPO
2 stops18h 25m
Delta
Sun 11/15:00 am
OPO
- HOU
2 stops22h 43m
Delta
Deal found 5/22![Delta logo]()
$1,070
This Delta deal was found by Cheapflights users on 5/25. 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 8/1810:50 am
HOU
- LIS
2 stops22h 05m
Delta
Sun 8/235:00 am
LIS
- HOU
2 stops23h 05m
Delta
Deal found 5/25![Delta logo]()
$1,075
This KLM deal was found by Cheapflights users on 5/22. 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 9/55:35 pm
HOU
- FNC
2 stops18h 15m
KLM
Wed 9/910:25 am
FNC
- HOU
2 stops35h 58m
KLM
Deal found 5/22![KLM logo]()
$2,867
This Delta deal was found by Cheapflights users on 5/23. 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 7/610:09 am
HOU
- OPO
2 stops23h 16m
Delta
Wed 7/225:00 am
OPO
- HOU
2 stops22h 51m
Delta
Deal found 5/23![Delta logo]()
$1,124
This Delta deal was found by Cheapflights users on 5/26. 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.
Sat 9/121:00 pm
HOU
- OPO
2 stops20h 25m
Delta
Tue 9/225:00 am
OPO
- HOU
2 stops17h 31m
Delta
Deal found 5/26![Delta logo]()
$1,132
This Delta deal was found by Cheapflights users on 5/25. 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 6/2910:09 am
HOU
- OPO
2 stops23h 16m
Delta
Tue 7/75:00 am
OPO
- HOU
2 stops22h 51m
Delta
Deal found 5/25![Delta logo]()
$1,159
This Delta deal was found by Cheapflights users on 5/26. 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 7/85:17 pm
HOU
- FNC
2 stops42h 48m
Delta
Wed 7/1510:25 am
FNC
- HOU
2 stops29h 20m
Delta
Deal found 5/26![Delta logo]()
$1,780
This Delta deal was found by Cheapflights users on 5/25. 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 7/125:17 pm
HOU
- FNC
2 stops35h 03m
Delta
Wed 7/1510:25 am
FNC
- HOU
2 stops35h 57m
Delta
Deal found 5/25![Delta logo]()
$1,809
Last-minute flights from Galveston to PortugalDiscover last-minute flight deals from Galveston to Portugal. Data last updated May 27, 2026 and is based on user searches.
Discover last-minute flight deals from Galveston to Portugal. Data last updated May 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/26. 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 6/76:03 am
HOU
- LIS
2 stops23h 12m
Delta
Wed 6/175:00 am
LIS
- HOU
2 stops22h 43m
Delta
Deal found 5/26![Delta logo]()
$1,371
This Delta deal was found by Cheapflights users on 5/25. 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 6/2210:09 am
HOU
- LIS
2 stops22h 46m
Delta
Sat 7/45:35 am
LIS
- HOU
2 stops22h 08m
Delta
Deal found 5/25![Delta logo]()
$1,305
This Delta deal was found by Cheapflights users on 5/27. 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 6/241:10 pm
HOU
- LIS
2 stops23h 35m
Delta
Sun 7/55:35 am
LIS
- HOU
2 stops22h 08m
Delta
Deal found 5/27![Delta logo]()
$1,382
This Delta deal was found by Cheapflights users on 5/23. 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 6/256:03 am
HOU
- LIS
2 stops23h 12m
Delta
Fri 7/105:00 am
LIS
- HOU
2 stops22h 51m
Delta
Deal found 5/23![Delta logo]()
$1,297
This Delta deal was found by Cheapflights users on 5/26. 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 6/256:03 am
HOU
- LIS
2 stops23h 12m
Delta
Mon 7/205:35 am
LIS
- HOU
2 stops22h 16m
Delta
Deal found 5/26![Delta logo]()
$1,375
This Delta deal was found by Cheapflights users on 5/22. 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 6/2510:09 am
HOU
- LIS
2 stops22h 46m
Delta
Wed 7/15:35 am
LIS
- HOU
2 stops22h 08m
Delta
Deal found 5/22![Delta logo]()
$1,377
This Delta deal was found by Cheapflights users on 5/25. 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 6/285:08 pm
HOU
- LIS
2 stops18h 42m
Delta
Fri 7/105:00 am
LIS
- HOU
2 stops22h 51m
Delta
Deal found 5/25![Delta logo]()
$1,227
This Delta deal was found by Cheapflights users on 5/25. 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 6/285:08 pm
HOU
- LIS
2 stops18h 42m
Delta
Wed 7/811:55 am
LIS
- HOU
2 stops27h 50m
Delta
Deal found 5/25![Delta logo]()
$1,234
This Delta deal was found by Cheapflights users on 5/25. 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 6/2910:09 am
HOU
- OPO
2 stops23h 16m
Delta
Tue 7/75:00 am
OPO
- HOU
2 stops22h 51m
Delta
Deal found 5/25![Delta logo]()
$1,159
This Delta deal was found by Cheapflights users on 5/25. 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 6/306:03 am
HOU
- OPO
2 stops22h 27m
Delta
Wed 7/85:00 am
OPO
- HOU
2 stops22h 51m
Delta
Deal found 5/25![Delta logo]()
$1,160
This Delta deal was found by Cheapflights users on 5/25. 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 6/305:08 pm
HOU
- LIS
2 stops19h 37m
Delta
Tue 7/75:00 am
LIS
- HOU
2 stops22h 51m
Delta
Deal found 5/25![Delta logo]()
$1,232
This KLM deal was found by Cheapflights users on 5/25. 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.
Tue 6/301:10 pm
HOU
- OPO
2 stops15h 20m
KLM
Tue 7/79:25 am
OPO
- HOU
2 stops18h 26m
KLM
Deal found 5/25![KLM logo]()
$1,369
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 May 27, 2026.
Search for one-way flight options from Galveston to Portugal. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 5/23. 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 10/2010:05 am
HOU
- LIS
2 stops15h 55m
Virgin Atlantic
Deal found 5/23![Virgin Atlantic logo]()
$360
This KLM deal was found by Cheapflights users on 5/24. 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.
Mon 9/281:00 pm
HOU
- OPO
2 stops15h 30m
KLM
Deal found 5/24![KLM logo]()
$386
This Delta deal was found by Cheapflights users on 5/23. 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 9/276:00 am
HOU
- OPO
2 stops22h 25m
Delta
Deal found 5/23![Delta logo]()
$390
This Expedia deal was found by Cheapflights users on 5/23. 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.
Thu 10/154:15 pm
HOU
- LIS
2 stops17h 15m
British Airways
Deal found 5/23![British Airways logo]()
$408
This Delta deal was found by Cheapflights users on 5/26. 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 10/76:00 am
HOU
- LIS
2 stops23h 15m
Delta
Deal found 5/26![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 5/22. 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 7/226:00 am
HOU
- LIS
2 stops23h 15m
Delta
Deal found 5/22![Delta logo]()
$468
This Iberia deal was found by Cheapflights users on 5/23. 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.
Wed 7/156:49 pm
HOU
- LIS
2 stops15h 16m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$471
This Iberia deal was found by Cheapflights users on 5/22. 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.
Mon 7/136:49 pm
HOU
- LIS
2 stops15h 16m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$472
This KLM deal was found by Cheapflights users on 5/22. 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.
Tue 9/15:35 pm
HOU
- FNC
2 stops33h 40m
KLM
Deal found 5/22![KLM logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/46:00 am
HOU
- LIS
3 stops32h 55m
WestJet
Deal found 5/26![WestJet logo]()
$493
This Delta deal was found by Cheapflights users on 5/26. 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.
Sat 7/46:00 am
HOU
- OPO
2 stops22h 20m
Delta
Deal found 5/26![Delta logo]()
$523
This American Airlines deal was found by Cheapflights users on 5/26. 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 7/410:18 am
HOU
- LIS
2 stops16h 47m
American Airlines
Deal found 5/26![American Airlines logo]()
$523
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 May 27, 2026.
Round-trip from | $723 (Delta) |
|---|---|
One-way from | $360 (Virgin Atlantic) |
Popular in | June |
Cheapest in | April |
Average price | $1,193 |
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 May 27, 2026.
Use the filters below to find and compare flights from Galveston to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Mon 11/16
1:00 pm-10:30 am
2 stops15h 30m
Porto
Thu 11/19
5:00 am-9:43 pm
2 stops22h 43m
$723
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Mon 10/12
1:00 pm-5:50 pm
2 stops22h 50m
Lisbon Humberto Delgado
Wed 10/21
5:35 am-9:43 pm
2 stops22h 08m
$924
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Sun 9/20
6:00 am-8:50 am
2 stops20h 50m
Lisbon Humberto Delgado
Wed 9/30
5:35 am-10:35 pm
2 stops23h 00m
$924
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Mon 8/10
10:50 am-3:25 pm
2 stops22h 35m
Porto
Mon 8/24
5:00 am-10:05 pm
2 stops23h 05m
$941
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Wed 8/26
1:13 pm-5:50 pm
2 stops22h 37m
Lisbon Humberto Delgado
Wed 9/2
5:00 am-9:35 pm
2 stops22h 35m
$953
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Tue 9/8
5:35 pm-6:45 pm
2 stops19h 10m
Lisbon Humberto Delgado
Wed 9/16
5:00 am-4:31 pm
2 stops17h 31m
$958
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Thu 8/20
10:50 am-11:15 am
2 stops18h 25m
Lisbon Humberto Delgado
Thu 8/27
5:00 am-10:46 pm
2 stops23h 46m
$977
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Wed 8/26
6:00 am-8:00 am
2 stops20h 00m
Lisbon Humberto Delgado
Sun 9/6
5:00 am-9:23 pm
2 stops22h 23m
$1,014
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Tue 7/7
6:00 am-11:15 am
2 stops23h 15m
Lisbon Humberto Delgado
Tue 7/14
5:00 am-9:51 pm
2 stops22h 51m
$1,024
HoustonPorto
HOU - OPO
HOUOPO
Houston Hobby
Sat 8/22
6:00 am-10:20 am
2 stops22h 20m
Porto
Sat 8/29
5:00 am-9:23 pm
2 stops22h 23m
$1,039
Showing 1-10 of 45 resultsSorted by cheapest first
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-OPO
HOU-LIS
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-OPO
HOU-LIS
HOU-FNC
No data available for this route at this time. Please check back soon.
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 May 27, 2026.
See what other customers who have flown with Delta,Air France, andTurkish 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.
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Galveston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Galveston to Portugal by cabin class
Find flights from Galveston to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Galveston and Portugal flights
Browse other Galveston and Portugal flight options. Last updated on May 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Galveston to Portugal flights
Consider these flights traveling from Galveston to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
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 May 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$1,021 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$466 | Average$868 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$940 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$768 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$561 | Average$874 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$583 | Average$1,004 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$621 | Average$743 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$646 | Average$915 | FlexibilityNo cancel fee | On-time67% |