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$326+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Galveston to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Galveston (G4L) to Portugal (PT0). 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 enero 21, 2025.

Round-trip from

$565
(Delta)

One-way from

$326
(Delta)
From Galveston to Portugal
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One-way flight from Galveston to Portugal
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Find flight deals from Galveston to Portugal

Cheapest flights from Galveston to Portugal
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 enero 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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.
vie. 2/216:00 amHOU - LIS
2 stops20h 00mDelta
vie. 2/2810:00 amLIS - HOU
2 stops18h 29mDelta
Deal found 1/20$565
This Aeromexico deal was found by Cheapflights users on 1/20. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/26:37 pmHOU - LIS
2 stops31h 23mAir France
mié. 2/1210:00 amLIS - HOU
2 stops18h 29mAir France
Deal found 1/20$577
This American Airlines deal was found by Cheapflights users on 1/19. 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.
dom. 2/24:18 pmHOU - LIS
2 stops17h 47mAmerican Airlines
mié. 2/1211:15 amLIS - HOU
2 stops17h 23mAmerican Airlines
Deal found 1/19$580
This Delta deal was found by Cheapflights users on 1/20. 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. 1/286:00 amHOU - OPO
2 stops22h 50mDelta
vie. 2/76:15 amOPO - HOU
2 stops17h 27mDelta
Deal found 1/20$603
This KAYAK deal was found by Cheapflights users on 1/19. 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.
lun. 2/312:14 pmHOU - LIS
2 stops17h 56mBritish Airways
dom. 2/97:05 amLIS - HOU
2 stops18h 39mBritish Airways
Deal found 1/19$615
This American Airlines deal was found by Cheapflights users on 1/20. 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.
vie. 1/316:45 pmHOU - OPO
2 stops15h 15mAmerican Airlines
vie. 2/78:20 amOPO - HOU
2 stops17h 24mAmerican Airlines
Deal found 1/20$643
This Iberia deal was found by Cheapflights users on 1/20. 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.
lun. 3/316:31 pmHOU - LIS
2 stops15h 34mIberia
mié. 4/912:30 pmLIS - HOU
2 stops17h 27mIberia
Deal found 1/20$657
This Air France deal was found by Cheapflights users on 1/21. 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.
lun. 2/36:37 pmHOU - OPO
2 stops14h 48mKLM
lun. 2/106:20 amOPO - HOU
2 stops22h 09mKLM
Deal found 1/21$658
This Air France deal was found by Cheapflights users on 1/20. 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. 2/1810:25 amHOU - LIS
2 stops15h 35mMultiple Airlines
mié. 2/2611:15 amLIS - HOU
2 stops17h 14mMultiple Airlines
Deal found 1/20$883
This Virgin Atlantic deal was found by Cheapflights users on 1/20. 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.
dom. 3/3010:41 amHOU - LIS
2 stops18h 04mVirgin Atlantic
vie. 4/412:45 pmLIS - HOU
2 stops16h 35mVirgin Atlantic
Deal found 1/20$908
This KLM deal was found by Cheapflights users on 1/20. 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. 2/1810:25 amHOU - LIS
2 stops15h 35mKLM
lun. 2/2411:15 amLIS - HOU
2 stops17h 14mKLM
Deal found 1/20$933
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/56:16 pmHOU - OPO
2 stops15h 39mIberia
mié. 4/2312:20 pmOPO - HOU
2 stops17h 37mIberia
Deal found 1/20$1,073

Find flights from Galveston to Portugal within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

vie. 2/21

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

jue. 2/27

8:50 am-10:29 pm

2 stops19h 39m

$565

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

dom. 2/2

6:37 pm-8:00 am

2 stops31h 23m

Lisbon Humberto Delgado

mié. 2/12

10:00 am-10:29 pm

2 stops18h 29m

$577

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

dom. 2/2

4:18 pm-4:05 pm

2 stops17h 47m

Lisbon Humberto Delgado

mié. 2/12

11:15 am-10:38 pm

2 stops17h 23m

$580

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

lun. 3/3

2:57 pm-2:35 pm

2 stops17h 38m

Lisbon Humberto Delgado

mar. 3/11

10:00 am-11:06 pm

2 stops18h 06m

$585

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

lun. 2/3

12:14 pm-12:10 pm

2 stops17h 56m

Lisbon Humberto Delgado

dom. 2/9

7:05 am-7:44 pm

2 stops18h 39m

$615

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

vie. 1/31

6:45 pm-4:00 pm

2 stops15h 15m

Porto

vie. 2/7

8:20 am-7:44 pm

2 stops17h 24m

$643

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 3/4

6:00 am-10:30 am

2 stops22h 30m

Porto

mar. 3/11

11:15 am-9:36 am

2 stops27h 21m

$647

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

lun. 3/31

6:31 pm-4:05 pm

2 stops15h 34m

Lisbon Humberto Delgado

mié. 4/9

12:30 pm-11:57 pm

2 stops17h 27m

$657

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

lun. 2/3

6:37 pm-3:25 pm

2 stops14h 48m

Porto

lun. 2/10

6:20 am-10:29 pm

2 stops22h 09m

$658

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

mar. 2/18

10:25 am-8:00 am

2 stops15h 35m

Lisbon Humberto Delgado

mié. 2/26

11:15 am-10:29 pm

2 stops17h 14m

$883

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 22 results
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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.
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.

Travel insights for flights from Galveston to Portugal

Get recent, data-driven insights about flights from Galveston to Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Galveston to Portugal?

Currently, January is the cheapest month in which you can book a flight from Galveston to Portugal (average of $612). Flying from Galveston to Portugal in June is currently the most expensive (average of $1,247). 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.

What is the cheapest time of day to fly from G4L to PT?

Find hourly flight availability from Galveston to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galveston to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 enero 21, 2025.
Peruse reviews from past customers who have flown with American Airlines, Delta and Air France from Galveston to Portugal to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Galveston to Portugal one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $326. Users have also found prices from $404 and $484 on British Airways and KLM, respectively.

  • What are the most popular routes from Galveston to Portugal?

    While some choose either Houston Hobby - Porto or Houston Hobby - Funchal Madeira, Houston Hobby - Lisbon Humberto Delgado is the most popular route from Galveston to Portugal.

  • Can I find deals for flights from Galveston to Portugal that include hotel bookings?

    Yes. In addition to deals on Galveston to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Galveston to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Galveston to Portugal.

  • Can I find deals for business class flights from Galveston to Portugal?

    Yes. Cheapflights offers flight deals from Galveston to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Galveston to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Galveston to Portugal (average of $612). Flying from Galveston to Portugal in June is currently the most expensive (average of $1,247). 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.

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Top 9 airlines flying from Galveston to Portugal

Discover the top 9 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$542Average$1,536FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$563Average$986FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$572Average$906FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$578Average$1,043FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$872FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$606Average$1,244FlexibilityNo cancel feeOn-time69%
KLMCheapest$641Average$1,071FlexibilityNo cancel feeOn-time75%
DeltaCheapest$648Average$953FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$656Average$795FlexibilityNo cancel feeOn-time77%
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