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Portugal

$439+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:08 amHOU - LIS
2 stops14h 47mAmerican Airlines
Wed 12/248:45 pmLIS - HOU
2 stops18h 58mAmerican Airlines
Deal found 12/16$1,403
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:08 amHOU - LIS
2 stops16h 57mAmerican Airlines
Tue 12/2311:05 amLIS - HOU
2 stops18h 41mAmerican Airlines
Deal found 12/15$1,806
This oojo deal was found by Cheapflights users on 12/17. 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 12/314:21 pmHOU - LIS
2 stops16h 29mBritish Airways
Tue 1/612:55 pmLIS - HOU
2 stops35h 11mBritish Airways
Deal found 12/17$1,999
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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.
Fri 12/1910:39 amHOU - LIS
2 stops15h 21mVirgin Atlantic
Fri 12/2610:00 amLIS - HOU
2 stops19h 11mVirgin Atlantic
Deal found 12/17$2,120
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:17 pmHOU - LIS
2 stops23h 38mBritish Airways
Tue 1/612:55 pmLIS - HOU
2 stops33h 17mBritish Airways
Deal found 12/16$2,130
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:00 amHOU - LIS
2 stops22h 35mDelta
Tue 1/65:00 amLIS - HOU
2 stops23h 33mDelta
Deal found 12/16$2,145
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:16 pmHOU - LIS
2 stops36h 29mBritish Airways
Mon 1/53:50 pmLIS - HOU
2 stops32h 16mBritish Airways
Deal found 12/16$2,148
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:16 pmHOU - LIS
2 stops36h 39mBritish Airways
Sun 1/46:40 pmLIS - HOU
2 stops31h 05mBritish Airways
Deal found 12/16$2,565
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:09 pmHOU - LIS
2 stops14h 41mAmerican Airlines
Fri 1/28:45 pmLIS - HOU
2 stops17h 47mAmerican Airlines
Deal found 12/16$2,743
This oojo deal was found by Cheapflights users on 12/17. 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 12/2512:09 pmHOU - OPO
2 stops25h 51mIberia
Wed 12/318:20 amOPO - HOU
2 stops17h 25mIberia
Deal found 12/17$2,789
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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.
Sun 12/2110:46 amHOU - LIS
2 stops16h 09mVirgin Atlantic
Tue 12/2311:15 amLIS - HOU
2 stops17h 56mVirgin Atlantic
Deal found 12/17$2,793
This Virgin Atlantic deal was found by Cheapflights users on 12/15. 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.
Fri 12/1910:39 amHOU - LIS
2 stops15h 21mVirgin Atlantic
Sun 12/2110:00 amLIS - HOU
2 stops19h 11mVirgin Atlantic
Deal found 12/15$3,080

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 December 18, 2025.

Round-trip from

$556
(oojo)

One-way from

$439
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$925
From Galveston to Portugal
Search Deals
One-way flight from Galveston to Portugal
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sat 1/31

12:49 pm-12:10 pm

2 stops17h 21m

Lisbon Humberto Delgado

Sat 2/7

10:40 am-10:46 pm

2 stops18h 06m

$556

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Fri 1/16

6:36 pm-10:25 pm

2 stops21h 49m

Lisbon Humberto Delgado

Wed 1/21

7:05 am-10:46 pm

2 stops21h 41m

$556

HoustonFunchal

HOU - FNC

HOUFNC

Houston Hobby

Sat 1/31

5:04 pm-9:35 am

2 stops34h 31m

Funchal Madeira

Sat 2/7

6:40 pm-10:33 pm

2 stops33h 53m

$618

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 1/11

5:45 am-8:00 am

2 stops20h 15m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-10:33 pm

2 stops23h 33m

$620

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Thu 1/15

4:55 pm-6:00 pm

2 stops19h 05m

Lisbon Humberto Delgado

Wed 1/21

7:05 am-10:46 pm

2 stops21h 41m

$656

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sat 1/31

6:36 pm-10:30 pm

2 stops21h 54m

Lisbon Humberto Delgado

Sat 2/7

3:55 pm-10:46 pm

2 stops36h 51m

$656

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 4/1

10:35 am-2:50 pm

2 stops22h 15m

Lisbon Humberto Delgado

Wed 4/8

5:00 am-10:28 pm

2 stops23h 28m

$659

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 2/10

11:09 am-3:25 pm

2 stops22h 16m

Porto

Tue 2/24

5:00 am-10:28 pm

2 stops23h 28m

$698

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 3/24

10:35 am-9:00 am

2 stops17h 25m

Lisbon Humberto Delgado

Sun 3/29

5:40 am-10:28 pm

2 stops22h 48m

$717

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 3/30

10:35 am-2:50 pm

2 stops22h 15m

Lisbon Humberto Delgado

Sun 4/5

5:40 am-10:28 pm

2 stops22h 48m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 42 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, February is the cheapest month in which you can book a flight from Galveston to Portugal (average of $510). Flying from Galveston to Portugal in June is currently the most expensive (average of $823). 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 December 18, 2025.

It’s optimal to fly from Galveston to Portugal in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Galveston to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Galveston to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to Portugal flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
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.
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,534 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,583 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Galveston to Portugal?

    There are many flights that can get you from Galveston to Portugal in 17h 21m. Fly via American Airlines, British Airways, or KLM to get the fastest option. Airlines will cover a distance of 4777 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Galveston to Portugal (average of $510). Flying from Galveston to Portugal in June is currently the most expensive (average of $823). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$536Average$972FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$540Average$809FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$585Average$976FlexibilityNo cancel feeOn-time69%
DeltaCheapest$593Average$883FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$595Average$947FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$599Average$1,030FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$617Average$1,053FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$621Average$736FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$679Average$1,336FlexibilityNo cancel feeOn-time76%

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