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Portugal

$463+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Galveston to Portugal

Keep the following information in mind while searching for Galveston to Portugal flight deals. Data was last updated June 16, 2025.

Round-trip from

$828
(American Airlines)

One-way from

$490
(eDestinos)

Popular in

June

Cheapest in

February

Average price

$1,153
From Galveston to Portugal
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One-way flight from Galveston to Portugal
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Highest demand for flights based on searches. 17% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This Delta deal was found by Cheapflights users on 6/16. 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 7/214:13 pmHOU - LIS
2 stops20h 27mDelta
Wed 8/2010:00 amLIS - HOU
2 stops18h 31mDelta
Deal found 6/16$818
This Travelocity deal was found by Cheapflights users on 6/13. 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.
Fri 10/176:43 pmHOU - LIS
2 stops22h 42mIberia
Mon 10/276:45 pmLIS - HOU
2 stops19h 58mIberia
Deal found 6/13$821
This American Airlines deal was found by Cheapflights users on 6/14. 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 9/296:44 pmHOU - OPO
2 stops15h 11mAmerican Airlines
Sat 10/1112:20 pmOPO - HOU
2 stops17h 24mAmerican Airlines
Deal found 6/14$828
This Virgin Atlantic deal was found by Cheapflights users on 6/15. 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.
Mon 7/2110:02 amHOU - LIS
2 stops18h 43mVirgin Atlantic
Wed 8/2010:00 amLIS - HOU
2 stops18h 31mVirgin Atlantic
Deal found 6/15$869
This Travelocity deal was found by Cheapflights users on 6/14. 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.
Thu 10/26:41 pmHOU - OPO
2 stops19h 14mIberia
Sat 10/1112:20 pmOPO - HOU
2 stops17h 24mIberia
Deal found 6/14$888
This Delta deal was found by Cheapflights users on 6/16. 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 8/512:56 pmHOU - OPO
2 stops20h 39mDelta
Thu 8/216:30 amOPO - HOU
2 stops22h 01mDelta
Deal found 6/16$936
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/2210:13 amHOU - LIS
2 stops16h 52mAmerican Airlines
Thu 8/711:05 amLIS - HOU
2 stops17h 07mAmerican Airlines
Deal found 6/14$1,059
This Orbitz deal was found by Cheapflights users on 6/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:30 pmHOU - OPO
2 stops19h 25mMultiple Airlines
Sun 8/248:15 amOPO - HOU
2 stops35h 31mMultiple Airlines
Deal found 6/15$1,134
This British Airways deal was found by Cheapflights users on 6/14. 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.
Mon 7/76:30 pmHOU - LIS
2 stops22h 40mBritish Airways
Wed 7/167:20 amLIS - HOU
2 stops22h 30mBritish Airways
Deal found 6/14$1,190
This eDestinos deal was found by Cheapflights users on 6/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:36 amHOU - LIS
3 stops40h 54mMultiple Airlines
Sun 9/283:00 pmLIS - HOU
3 stops33h 04mMultiple Airlines
Deal found 6/16$1,607
This KLM deal was found by Cheapflights users on 6/16. 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 6/1712:55 pmHOU - OPO
2 stops15h 45mKLM
Tue 7/89:20 amOPO - HOU
2 stops17h 20mKLM
Deal found 6/16$1,922
This British Airways deal was found by Cheapflights users on 6/16. 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.
Mon 8/42:29 pmHOU - FNC
2 stops21h 21mMultiple Airlines
Wed 8/207:00 pmFNC - HOU
2 stops30h 55mMultiple Airlines
Deal found 6/16$2,141

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 June 16, 2025.
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

Mon 7/21

4:13 pm-6:40 pm

2 stops20h 27m

Lisbon Humberto Delgado

Wed 8/20

10:00 am-10:31 pm

2 stops18h 31m

$818

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Fri 10/17

6:43 pm-11:25 pm

2 stops22h 42m

Lisbon Humberto Delgado

Mon 10/27

6:45 pm-9:43 am

2 stops19h 58m

$821

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 9/29

6:44 pm-3:55 pm

2 stops15h 11m

Porto

Sat 10/11

12:20 pm-11:44 pm

2 stops17h 24m

$828

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 7/21

10:02 am-10:45 am

2 stops18h 43m

Lisbon Humberto Delgado

Wed 8/20

10:00 am-10:31 pm

2 stops18h 31m

$869

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 10/2

6:41 pm-7:55 pm

2 stops19h 14m

Porto

Sat 10/11

12:20 pm-11:44 pm

2 stops17h 24m

$888

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 8/5

12:56 pm-3:35 pm

2 stops20h 39m

Porto

Thu 8/21

6:30 am-10:31 pm

2 stops22h 01m

$936

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 7/22

10:13 am-9:05 am

2 stops16h 52m

Lisbon Humberto Delgado

Thu 8/7

11:05 am-10:12 pm

2 stops17h 07m

$1,059

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 8/20

2:30 pm-3:55 pm

2 stops19h 25m

Porto

Sun 8/24

8:15 am-1:46 pm

2 stops35h 31m

$1,134

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 7/7

6:30 pm-11:10 pm

2 stops22h 40m

Lisbon Humberto Delgado

Wed 7/16

7:20 am-11:50 pm

2 stops22h 30m

$1,190

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 9/21

9:36 am-8:30 am

3 stops40h 54m

Lisbon Humberto Delgado

Sun 9/28

3:00 pm-6:04 pm

3 stops33h 04m

$1,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 23 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.

Cheapflights Insights

Everything you need to know about your flight from Galveston to Portugal

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 $1,135). 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 June 16, 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 June 16, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Virgin Atlantic 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
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,778 reviews
Delta
8.0
Very good
7,963 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 British Airways. According to our data, you can fly for as low as $536. Users have also found prices from $583 and $592 on Delta and Iberia, 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 $1,135). 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.

See more FAQs

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$494Average$927FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$525Average$834FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$549Average$835FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$918FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$578Average$939FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$589Average$1,096FlexibilityNo cancel feeOn-time69%
KLMCheapest$629Average$1,078FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$655Average$739FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$679Average$1,404FlexibilityNo cancel feeOn-time76%

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