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$608+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$938
(Delta)

One-way from

$608
(Delta)

Popular in

May

Cheapest in

February

Average price

$820
From Galveston to Portugal
Search Deals
One-way flight from Galveston to Portugal
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:30 pmHOU - OPO
2 stops15h 25mAmerican Airlines
Thu 8/2112:20 pmOPO - HOU
2 stops17h 22mAmerican Airlines
Deal found 4/23$818
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 8/131:00 pmHOU - LIS
2 stops23h 40mDelta
Wed 8/205:00 amLIS - HOU
2 stops22h 35mDelta
Deal found 4/23$843
This KAYAK deal was found by Cheapflights users on 4/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:35 pmHOU - OPO
2 stops15h 05mBritish Airways
Thu 10/1612:20 pmOPO - HOU
2 stops17h 24mBritish Airways
Deal found 4/22$867
This Orbitz deal was found by Cheapflights users on 4/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 pmHOU - LIS
2 stops21h 55mBritish Airways
Tue 1/67:40 pmLIS - HOU
2 stops28h 23mBritish Airways
Deal found 4/23$886
This Iberia deal was found by Cheapflights users on 4/23. 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.
Sun 9/286:41 pmHOU - LIS
2 stops15h 24mIberia
Mon 10/1312:30 pmLIS - HOU
2 stops17h 14mIberia
Deal found 4/23$936
This American Airlines deal was found by Cheapflights users on 4/23. 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 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 stops16h 51mAmerican Airlines
Deal found 4/23$979
This Virgin Atlantic deal was found by Cheapflights users on 4/23. 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.
Sun 8/316:00 amHOU - LIS
2 stops22h 45mVirgin Atlantic
Fri 10/3110:00 amLIS - HOU
2 stops16h 40mVirgin Atlantic
Deal found 4/23$1,119
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 6/105:00 pmHOU - OPO
2 stops20h 15mDelta
Tue 6/176:15 amOPO - HOU
2 stops20h 24mDelta
Deal found 4/23$1,205
This Priceline deal was found by Cheapflights users on 4/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:43 pmHOU - LIS
2 stops15h 22mMultiple Airlines
Sun 10/2610:45 amLIS - HOU
2 stops17h 59mMultiple Airlines
Deal found 4/23$1,292
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/71:02 pmHOU - OPO
2 stops15h 38mKLM
Sat 6/146:05 amOPO - HOU
2 stops21h 48mKLM
Deal found 4/23$1,561
This Iberia deal was found by Cheapflights users on 4/23. 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.
Tue 6/36:31 pmHOU - OPO
2 stops15h 24mIberia
Fri 6/612:20 pmOPO - HOU
2 stops17h 28mIberia
Deal found 4/23$2,238
This KLM deal was found by Cheapflights users on 4/22. 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 4/264:00 pmHOU - FNC
2 stops19h 55mKLM
Mon 4/2810:15 amFNC - HOU
2 stops29h 03mKLM
Deal found 4/22$2,712

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 April 24, 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

Wed 5/14

6:00 am-11:15 am

2 stops23h 15m

Lisbon Humberto Delgado

Wed 5/21

5:00 am-5:57 pm

2 stops18h 57m

$938

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-9:56 pm

2 stops16h 51m

$979

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 7/7

6:30 pm-5:55 pm

2 stops17h 25m

Lisbon Humberto Delgado

Wed 7/16

7:20 am-7:52 pm

2 stops18h 32m

$1,028

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 7/8

2:29 pm-6:25 pm

2 stops21h 56m

Lisbon Humberto Delgado

Tue 7/15

6:35 am-7:52 pm

2 stops19h 17m

$1,161

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/10

5:00 pm-7:15 pm

2 stops20h 15m

Porto

Tue 6/17

6:15 am-8:39 pm

2 stops20h 24m

$1,205

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 6/4

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Mon 6/9

10:00 am-9:53 pm

2 stops17h 53m

$1,209

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 5/14

6:00 am-10:45 am

2 stops22h 45m

Lisbon Humberto Delgado

Wed 5/21

10:05 pm-11:21 am

3 stops43h 16m

$1,346

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 6/5

4:26 pm-3:55 pm

2 stops17h 29m

Porto

Thu 6/12

12:20 pm-11:48 pm

2 stops17h 28m

$1,382

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sat 6/7

1:02 pm-10:40 am

2 stops15h 38m

Porto

Sat 6/14

6:05 am-9:53 pm

2 stops21h 48m

$1,561

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/3

6:31 pm-3:55 pm

2 stops15h 24m

Porto

Fri 6/6

12:20 pm-11:48 pm

2 stops17h 28m

$2,238

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 17 results
1
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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 $1,203). 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 April 24, 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 April 24, 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
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,686 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 $608. Users have also found prices from $621 and $668 on Iberia and American Airlines, 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 $1,203). 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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Alternative routes for Galveston to Portugal

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$494Average$924FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$549Average$872FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$902FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$586Average$842FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$589Average$1,053FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$595Average$1,042FlexibilityNo cancel feeOn-time71%
KLMCheapest$629Average$1,048FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$646Average$1,529FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$649Average$716FlexibilityNo cancel feeOn-time77%

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